diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:28:52 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:29:19 +0100 |
| commit | 3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch) | |
| tree | 0058693cc9e70b7461dae551f8a19aff2efd13ca /scripts | |
| parent | f16f84937d769c893492160b1a8c3672e3992beb (diff) | |
| parent | e657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff) | |
| download | linux-3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a.tar.bz2 | |
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'scripts')
68 files changed, 6632 insertions, 930 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore index 65f362d931b5..fb070fa1038f 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -10,3 +10,4 @@ ihex2fw recordmcount docproc sortextable +asn1_compiler diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 6a3ee981931d..978416dd31ca 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -98,24 +98,24 @@ try-run = $(shell set -e; \ # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,) as-option = $(call try-run,\ - $(CC) $(KBUILD_CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2)) + $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2)) # as-instr # Usage: cflags-y += $(call as-instr,instr,option1,option2) as-instr = $(call try-run,\ - printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3)) + printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3)) # cc-option # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) cc-option = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",$(1),$(2)) + $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2)) # cc-option-yn # Usage: flag := $(call cc-option-yn,-march=winchip-c6) cc-option-yn = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",y,n) + $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n) # cc-option-align # Prefix align with either -falign or -malign @@ -125,7 +125,7 @@ cc-option-align = $(subst -functions=0,,\ # cc-disable-warning # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable) cc-disable-warning = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -xc /dev/null -o "$$TMP",-Wno-$(strip $(1))) + $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) # cc-version # Usage gcc-ver := $(call cc-version) @@ -143,7 +143,7 @@ cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3)) # cc-ldoption # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) cc-ldoption = $(call try-run,\ - $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2)) + $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) # ld-option # Usage: LDFLAGS += $(call ld-option, -X) @@ -209,7 +209,7 @@ endif # >$< substitution to preserve $ when reloading .cmd file # note: when using inline perl scripts [perl -e '...$$t=1;...'] # in $(cmd_xxx) double $$ your perl vars -make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))) +make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))) # Find any prerequisites that is newer than target or that does not exist. # PHONY targets skipped in both cases. diff --git a/scripts/Makefile b/scripts/Makefile index a55b0067758a..01e7adb838d9 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -16,8 +16,10 @@ hostprogs-$(CONFIG_VT) += conmakehash hostprogs-$(CONFIG_IKCONFIG) += bin2c hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable +hostprogs-$(CONFIG_ASN1) += asn1_compiler HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include +HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include always := $(hostprogs-y) $(hostprogs-m) diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic index 40caf3c26cd5..d17e0ea911ed 100644 --- a/scripts/Makefile.asm-generic +++ b/scripts/Makefile.asm-generic @@ -5,7 +5,7 @@ # and for each file listed in this file with generic-y creates # a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm) -kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild +kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild -include $(kbuild-file) include scripts/Kbuild.include diff --git a/scripts/Makefile.build b/scripts/Makefile.build index ff1720d28d0c..0e801c3cdaf8 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -354,6 +354,17 @@ quiet_cmd_cpp_lds_S = LDS $@ $(obj)/%.lds: $(src)/%.lds.S FORCE $(call if_changed_dep,cpp_lds_S) +# ASN.1 grammar +# --------------------------------------------------------------------------- +quiet_cmd_asn1_compiler = ASN.1 $@ + cmd_asn1_compiler = $(objtree)/scripts/asn1_compiler $< \ + $(subst .h,.c,$@) $(subst .c,.h,$@) + +.PRECIOUS: $(objtree)/$(obj)/%-asn1.c $(objtree)/$(obj)/%-asn1.h + +$(obj)/%-asn1.c $(obj)/%-asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler + $(call cmd,asn1_compiler) + # Build the compiled-in targets # --------------------------------------------------------------------------- diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index d3bae5e7b601..06ba4a70bd4d 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -3,13 +3,12 @@ # # header-y - list files to be installed. They are preprocessed # to remove __KERNEL__ section of the file -# objhdr-y - Same as header-y but for generated files -# genhdr-y - Same as objhdr-y but in a generated/ directory +# genhdr-y - Same as header-y but in a generated/ directory # # ========================================================================== # called may set destination dir (when installing to asm/) -_dst := $(if $(dst),$(dst),$(obj)) +_dst := $(or $(destination-y),$(dst),$(obj)) # generated header directory gen := $(if $(gen),$(gen),$(subst include/,include/generated/,$(obj))) @@ -17,49 +16,64 @@ gen := $(if $(gen),$(gen),$(subst include/,include/generated/,$(obj))) kbuild-file := $(srctree)/$(obj)/Kbuild include $(kbuild-file) -_dst := $(if $(destination-y),$(destination-y),$(_dst)) +old-kbuild-file := $(srctree)/$(subst uapi/,,$(obj))/Kbuild +ifneq ($(wildcard $(old-kbuild-file)),) +include $(old-kbuild-file) +endif include scripts/Kbuild.include -install := $(INSTALL_HDR_PATH)/$(_dst) +installdir := $(INSTALL_HDR_PATH)/$(subst uapi/,,$(_dst)) header-y := $(sort $(header-y)) subdirs := $(patsubst %/,%,$(filter %/, $(header-y))) header-y := $(filter-out %/, $(header-y)) # files used to track state of install/check -install-file := $(install)/.install -check-file := $(install)/.check +install-file := $(installdir)/.install +check-file := $(installdir)/.check # generic-y list all files an architecture uses from asm-generic # Use this to build a list of headers which require a wrapper wrapper-files := $(filter $(header-y), $(generic-y)) +srcdir := $(srctree)/$(obj) +gendir := $(objtree)/$(gen) + +oldsrcdir := $(srctree)/$(subst /uapi,,$(obj)) + # all headers files for this dir header-y := $(filter-out $(generic-y), $(header-y)) -all-files := $(header-y) $(objhdr-y) $(genhdr-y) $(wrapper-files) -input-files := $(addprefix $(srctree)/$(obj)/,$(header-y)) \ - $(addprefix $(objtree)/$(obj)/,$(objhdr-y)) \ - $(addprefix $(objtree)/$(gen)/,$(genhdr-y)) -output-files := $(addprefix $(install)/, $(all-files)) +all-files := $(header-y) $(genhdr-y) $(wrapper-files) +output-files := $(addprefix $(installdir)/, $(all-files)) + +input-files := $(foreach hdr, $(header-y), \ + $(or \ + $(wildcard $(srcdir)/$(hdr)), \ + $(wildcard $(oldsrcdir)/$(hdr)), \ + $(error Missing UAPI file $(srcdir)/$(hdr)) \ + )) \ + $(foreach hdr, $(genhdr-y), \ + $(or \ + $(wildcard $(gendir)/$(hdr)), \ + $(error Missing generated UAPI file $(gendir)/$(hdr)) \ + )) # Work out what needs to be removed -oldheaders := $(patsubst $(install)/%,%,$(wildcard $(install)/*.h)) +oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h)) unwanted := $(filter-out $(all-files),$(oldheaders)) # Prefix unwanted with full paths to $(INSTALL_HDR_PATH) -unwanted-file := $(addprefix $(install)/, $(unwanted)) +unwanted-file := $(addprefix $(installdir)/, $(unwanted)) printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@)) quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ file$(if $(word 2, $(all-files)),s)) cmd_install = \ - $(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \ - $(PERL) $< $(objtree)/$(obj) $(install) $(SRCARCH) $(objhdr-y); \ - $(PERL) $< $(objtree)/$(gen) $(install) $(SRCARCH) $(genhdr-y); \ + $(PERL) $< $(installdir) $(SRCARCH) $(input-files); \ for F in $(wrapper-files); do \ - echo "\#include <asm-generic/$$F>" > $(install)/$$F; \ + echo "\#include <asm-generic/$$F>" > $(installdir)/$$F; \ done; \ touch $@ @@ -70,7 +84,7 @@ quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files) # Headers list can be pretty long, xargs helps to avoid # the "Argument list too long" error. cmd_check = for f in $(all-files); do \ - echo "$(install)/$${f}"; done \ + echo "$(installdir)/$${f}"; done \ | xargs \ $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \ touch $@ diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst index efa5d940e632..dda4b2b61927 100644 --- a/scripts/Makefile.modinst +++ b/scripts/Makefile.modinst @@ -9,7 +9,7 @@ include scripts/Kbuild.include # -__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod))) +__modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod))) modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o))) PHONY += $(modules) @@ -17,7 +17,7 @@ __modinst: $(modules) @: quiet_cmd_modules_install = INSTALL $@ - cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) + cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) # Modules built outside the kernel source tree go into extra by default INSTALL_MOD_DIR ?= extra diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 08dce14f2dc8..a1cb0222ebe6 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -60,7 +60,7 @@ kernelsymfile := $(objtree)/Module.symvers modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers # Step 1), find all modules listed in $(MODVERDIR)/ -__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod))) +__modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod))) modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o))) # Stop after building .o files if NOFINAL is set. Makes compile tests quicker diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c new file mode 100644 index 000000000000..db0e5cd34c70 --- /dev/null +++ b/scripts/asn1_compiler.c @@ -0,0 +1,1545 @@ +/* Simplified ASN.1 notation parser + * + * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <ctype.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <linux/asn1_ber_bytecode.h> + +enum token_type { + DIRECTIVE_ABSENT, + DIRECTIVE_ALL, + DIRECTIVE_ANY, + DIRECTIVE_APPLICATION, + DIRECTIVE_AUTOMATIC, + DIRECTIVE_BEGIN, + DIRECTIVE_BIT, + DIRECTIVE_BMPString, + DIRECTIVE_BOOLEAN, + DIRECTIVE_BY, + DIRECTIVE_CHARACTER, + DIRECTIVE_CHOICE, + DIRECTIVE_CLASS, + DIRECTIVE_COMPONENT, + DIRECTIVE_COMPONENTS, + DIRECTIVE_CONSTRAINED, + DIRECTIVE_CONTAINING, + DIRECTIVE_DEFAULT, + DIRECTIVE_DEFINED, + DIRECTIVE_DEFINITIONS, + DIRECTIVE_EMBEDDED, + DIRECTIVE_ENCODED, + DIRECTIVE_ENCODING_CONTROL, + DIRECTIVE_END, + DIRECTIVE_ENUMERATED, + DIRECTIVE_EXCEPT, + DIRECTIVE_EXPLICIT, + DIRECTIVE_EXPORTS, + DIRECTIVE_EXTENSIBILITY, + DIRECTIVE_EXTERNAL, + DIRECTIVE_FALSE, + DIRECTIVE_FROM, + DIRECTIVE_GeneralString, + DIRECTIVE_GeneralizedTime, + DIRECTIVE_GraphicString, + DIRECTIVE_IA5String, + DIRECTIVE_IDENTIFIER, + DIRECTIVE_IMPLICIT, + DIRECTIVE_IMPLIED, + DIRECTIVE_IMPORTS, + DIRECTIVE_INCLUDES, + DIRECTIVE_INSTANCE, + DIRECTIVE_INSTRUCTIONS, + DIRECTIVE_INTEGER, + DIRECTIVE_INTERSECTION, + DIRECTIVE_ISO646String, + DIRECTIVE_MAX, + DIRECTIVE_MIN, + DIRECTIVE_MINUS_INFINITY, + DIRECTIVE_NULL, + DIRECTIVE_NumericString, + DIRECTIVE_OBJECT, + DIRECTIVE_OCTET, + DIRECTIVE_OF, + DIRECTIVE_OPTIONAL, + DIRECTIVE_ObjectDescriptor, + DIRECTIVE_PATTERN, + DIRECTIVE_PDV, + DIRECTIVE_PLUS_INFINITY, + DIRECTIVE_PRESENT, + DIRECTIVE_PRIVATE, + DIRECTIVE_PrintableString, + DIRECTIVE_REAL, + DIRECTIVE_RELATIVE_OID, + DIRECTIVE_SEQUENCE, + DIRECTIVE_SET, + DIRECTIVE_SIZE, + DIRECTIVE_STRING, + DIRECTIVE_SYNTAX, + DIRECTIVE_T61String, + DIRECTIVE_TAGS, + DIRECTIVE_TRUE, + DIRECTIVE_TeletexString, + DIRECTIVE_UNION, + DIRECTIVE_UNIQUE, + DIRECTIVE_UNIVERSAL, + DIRECTIVE_UTCTime, + DIRECTIVE_UTF8String, + DIRECTIVE_UniversalString, + DIRECTIVE_VideotexString, + DIRECTIVE_VisibleString, + DIRECTIVE_WITH, + NR__DIRECTIVES, + TOKEN_ASSIGNMENT = NR__DIRECTIVES, + TOKEN_OPEN_CURLY, + TOKEN_CLOSE_CURLY, + TOKEN_OPEN_SQUARE, + TOKEN_CLOSE_SQUARE, + TOKEN_OPEN_ACTION, + TOKEN_CLOSE_ACTION, + TOKEN_COMMA, + TOKEN_NUMBER, + TOKEN_TYPE_NAME, + TOKEN_ELEMENT_NAME, + NR__TOKENS +}; + +static const unsigned char token_to_tag[NR__TOKENS] = { + /* EOC goes first */ + [DIRECTIVE_BOOLEAN] = ASN1_BOOL, + [DIRECTIVE_INTEGER] = ASN1_INT, + [DIRECTIVE_BIT] = ASN1_BTS, + [DIRECTIVE_OCTET] = ASN1_OTS, + [DIRECTIVE_NULL] = ASN1_NULL, + [DIRECTIVE_OBJECT] = ASN1_OID, + [DIRECTIVE_ObjectDescriptor] = ASN1_ODE, + [DIRECTIVE_EXTERNAL] = ASN1_EXT, + [DIRECTIVE_REAL] = ASN1_REAL, + [DIRECTIVE_ENUMERATED] = ASN1_ENUM, + [DIRECTIVE_EMBEDDED] = 0, + [DIRECTIVE_UTF8String] = ASN1_UTF8STR, + [DIRECTIVE_RELATIVE_OID] = ASN1_RELOID, + /* 14 */ + /* 15 */ + [DIRECTIVE_SEQUENCE] = ASN1_SEQ, + [DIRECTIVE_SET] = ASN1_SET, + [DIRECTIVE_NumericString] = ASN1_NUMSTR, + [DIRECTIVE_PrintableString] = ASN1_PRNSTR, + [DIRECTIVE_T61String] = ASN1_TEXSTR, + [DIRECTIVE_TeletexString] = ASN1_TEXSTR, + [DIRECTIVE_VideotexString] = ASN1_VIDSTR, + [DIRECTIVE_IA5String] = ASN1_IA5STR, + [DIRECTIVE_UTCTime] = ASN1_UNITIM, + [DIRECTIVE_GeneralizedTime] = ASN1_GENTIM, + [DIRECTIVE_GraphicString] = ASN1_GRASTR, + [DIRECTIVE_VisibleString] = ASN1_VISSTR, + [DIRECTIVE_GeneralString] = ASN1_GENSTR, + [DIRECTIVE_UniversalString] = ASN1_UNITIM, + [DIRECTIVE_CHARACTER] = ASN1_CHRSTR, + [DIRECTIVE_BMPString] = ASN1_BMPSTR, +}; + +static const char asn1_classes[4][5] = { + [ASN1_UNIV] = "UNIV", + [ASN1_APPL] = "APPL", + [ASN1_CONT] = "CONT", + [ASN1_PRIV] = "PRIV" +}; + +static const char asn1_methods[2][5] = { + [ASN1_UNIV] = "PRIM", + [ASN1_APPL] = "CONS" +}; + +static const char *const asn1_universal_tags[32] = { + "EOC", + "BOOL", + "INT", + "BTS", + "OTS", + "NULL", + "OID", + "ODE", + "EXT", + "REAL", + "ENUM", + "EPDV", + "UTF8STR", + "RELOID", + NULL, /* 14 */ + NULL, /* 15 */ + "SEQ", + "SET", + "NUMSTR", + "PRNSTR", + "TEXSTR", + "VIDSTR", + "IA5STR", + "UNITIM", + "GENTIM", + "GRASTR", + "VISSTR", + "GENSTR", + "UNISTR", + "CHRSTR", + "BMPSTR", + NULL /* 31 */ +}; + +static const char *filename; +static const char *grammar_name; +static const char *outputname; +static const char *headername; + +static const char *const directives[NR__DIRECTIVES] = { +#define _(X) [DIRECTIVE_##X] = #X + _(ABSENT), + _(ALL), + _(ANY), + _(APPLICATION), + _(AUTOMATIC), + _(BEGIN), + _(BIT), + _(BMPString), + _(BOOLEAN), + _(BY), + _(CHARACTER), + _(CHOICE), + _(CLASS), + _(COMPONENT), + _(COMPONENTS), + _(CONSTRAINED), + _(CONTAINING), + _(DEFAULT), + _(DEFINED), + _(DEFINITIONS), + _(EMBEDDED), + _(ENCODED), + [DIRECTIVE_ENCODING_CONTROL] = "ENCODING-CONTROL", + _(END), + _(ENUMERATED), + _(EXCEPT), + _(EXPLICIT), + _(EXPORTS), + _(EXTENSIBILITY), + _(EXTERNAL), + _(FALSE), + _(FROM), + _(GeneralString), + _(GeneralizedTime), + _(GraphicString), + _(IA5String), + _(IDENTIFIER), + _(IMPLICIT), + _(IMPLIED), + _(IMPORTS), + _(INCLUDES), + _(INSTANCE), + _(INSTRUCTIONS), + _(INTEGER), + _(INTERSECTION), + _(ISO646String), + _(MAX), + _(MIN), + [DIRECTIVE_MINUS_INFINITY] = "MINUS-INFINITY", + [DIRECTIVE_NULL] = "NULL", + _(NumericString), + _(OBJECT), + _(OCTET), + _(OF), + _(OPTIONAL), + _(ObjectDescriptor), + _(PATTERN), + _(PDV), + [DIRECTIVE_PLUS_INFINITY] = "PLUS-INFINITY", + _(PRESENT), + _(PRIVATE), + _(PrintableString), + _(REAL), + [DIRECTIVE_RELATIVE_OID] = "RELATIVE-OID", + _(SEQUENCE), + _(SET), + _(SIZE), + _(STRING), + _(SYNTAX), + _(T61String), + _(TAGS), + _(TRUE), + _(TeletexString), + _(UNION), + _(UNIQUE), + _(UNIVERSAL), + _(UTCTime), + _(UTF8String), + _(UniversalString), + _(VideotexString), + _(VisibleString), + _(WITH) +}; + +struct action { + struct action *next; + unsigned char index; + char name[]; +}; + +static struct action *action_list; +static unsigned nr_actions; + +struct token { + unsigned short line; + enum token_type token_type : 8; + unsigned char size; + struct action *action; + const char *value; + struct type *type; +}; + +static struct token *token_list; +static unsigned nr_tokens; + +static int directive_compare(const void *_key, const void *_pdir) +{ + const struct token *token = _key; + const char *const *pdir = _pdir, *dir = *pdir; + size_t dlen, clen; + int val; + + dlen = strlen(dir); + clen = (dlen < token->size) ? dlen : token->size; + + //printf("cmp(%*.*s,%s) = ", + // (int)token->size, (int)token->size, token->value, + // dir); + + val = memcmp(token->value, dir, clen); + if (val != 0) { + //printf("%d [cmp]\n", val); + return val; + } + + if (dlen == token->size) { + //printf("0\n"); + return 0; + } + //printf("%d\n", (int)dlen - (int)token->size); + return dlen - token->size; /* shorter -> negative */ +} + +/* + * Tokenise an ASN.1 grammar + */ +static void tokenise(char *buffer, char *end) +{ + struct token *tokens; + char *line, *nl, *p, *q; + unsigned tix, lineno; + + /* Assume we're going to have half as many tokens as we have + * characters + */ + token_list = tokens = calloc((end - buffer) / 2, sizeof(struct token)); + if (!tokens) { + perror(NULL); + exit(1); + } + tix = 0; + + lineno = 0; + while (buffer < end) { + /* First of all, break out a line */ + lineno++; + line = buffer; + nl = memchr(line, '\n', end - buffer); + if (!nl) { + buffer = nl = end; + } else { + buffer = nl + 1; + *nl = '\0'; + } + + /* Remove "--" comments */ + p = line; + next_comment: + while ((p = memchr(p, '-', nl - p))) { + if (p[1] == '-') { + /* Found a comment; see if there's a terminator */ + q = p + 2; + while ((q = memchr(q, '-', nl - q))) { + if (q[1] == '-') { + /* There is - excise the comment */ + q += 2; + memmove(p, q, nl - q); + goto next_comment; + } + q++; + } + *p = '\0'; + nl = p; + break; + } else { + p++; + } + } + + p = line; + while (p < nl) { + /* Skip white space */ + while (p < nl && isspace(*p)) + *(p++) = 0; + if (p >= nl) + break; + + tokens[tix].line = lineno; + tokens[tix].value = p; + + /* Handle string tokens */ + if (isalpha(*p)) { + const char **dir; + + /* Can be a directive, type name or element + * name. Find the end of the name. + */ + q = p + 1; + while (q < nl && (isalnum(*q) || *q == '-' || *q == '_')) + q++; + tokens[tix].size = q - p; + p = q; + + /* If it begins with a lowercase letter then + * it's an element name + */ + if (islower(tokens[tix].value[0])) { + tokens[tix++].token_type = TOKEN_ELEMENT_NAME; + continue; + } + + /* Otherwise we need to search the directive + * table + */ + dir = bsearch(&tokens[tix], directives, + sizeof(directives) / sizeof(directives[1]), + sizeof(directives[1]), + directive_compare); + if (dir) { + tokens[tix++].token_type = dir - directives; + continue; + } + + tokens[tix++].token_type = TOKEN_TYPE_NAME; + continue; + } + + /* Handle numbers */ + if (isdigit(*p)) { + /* Find the end of the number */ + q = p + 1; + while (q < nl && (isdigit(*q))) + q++; + tokens[tix].size = q - p; + p = q; + tokens[tix++].token_type = TOKEN_NUMBER; + continue; + } + + if (nl - p >= 3) { + if (memcmp(p, "::=", 3) == 0) { + p += 3; + tokens[tix].size = 3; + tokens[tix++].token_type = TOKEN_ASSIGNMENT; + continue; + } + } + + if (nl - p >= 2) { + if (memcmp(p, "({", 2) == 0) { + p += 2; + tokens[tix].size = 2; + tokens[tix++].token_type = TOKEN_OPEN_ACTION; + continue; + } + if (memcmp(p, "})", 2) == 0) { + p += 2; + tokens[tix].size = 2; + tokens[tix++].token_type = TOKEN_CLOSE_ACTION; + continue; + } + } + + if (nl - p >= 1) { + tokens[tix].size = 1; + switch (*p) { + case '{': + p += 1; + tokens[tix++].token_type = TOKEN_OPEN_CURLY; + continue; + case '}': + p += 1; + tokens[tix++].token_type = TOKEN_CLOSE_CURLY; + continue; + case '[': + p += 1; + tokens[tix++].token_type = TOKEN_OPEN_SQUARE; + continue; + case ']': + p += 1; + tokens[tix++].token_type = TOKEN_CLOSE_SQUARE; + continue; + case ',': + p += 1; + tokens[tix++].token_type = TOKEN_COMMA; + continue; + default: + break; + } + } + + fprintf(stderr, "%s:%u: Unknown character in grammar: '%c'\n", + filename, lineno, *p); + exit(1); + } + } + + nr_tokens = tix; + printf("Extracted %u tokens\n", nr_tokens); + +#if 0 + { + int n; + for (n = 0; n < nr_tokens; n++) + printf("Token %3u: '%*.*s'\n", + n, + (int)token_list[n].size, (int)token_list[n].size, + token_list[n].value); + } +#endif +} + +static void build_type_list(void); +static void parse(void); +static void render(FILE *out, FILE *hdr); + +/* + * + */ +int main(int argc, char **argv) +{ + struct stat st; + ssize_t readlen; + FILE *out, *hdr; + char *buffer, *p; + int fd; + + if (argc != 4) { + fprintf(stderr, "Format: %s <grammar-file> <c-file> <hdr-file>\n", + argv[0]); + exit(2); + } + + filename = argv[1]; + outputname = argv[2]; + headername = argv[3]; + + fd = open(filename, O_RDONLY); + if (fd < 0) { + perror(filename); + exit(1); + } + + if (fstat(fd, &st) < 0) { + perror(filename); + exit(1); + } + + if (!(buffer = malloc(st.st_size + 1))) { + perror(NULL); + exit(1); + } + + if ((readlen = read(fd, buffer, st.st_size)) < 0) { + perror(filename); + exit(1); + } + + if (close(fd) < 0) { + perror(filename); + exit(1); + } + + if (readlen != st.st_size) { + fprintf(stderr, "%s: Short read\n", filename); + exit(1); + } + + p = strrchr(argv[1], '/'); + p = p ? p + 1 : argv[1]; + grammar_name = strdup(p); + if (!p) { + perror(NULL); + exit(1); + } + p = strchr(grammar_name, '.'); + if (p) + *p = '\0'; + + buffer[readlen] = 0; + tokenise(buffer, buffer + readlen); + build_type_list(); + parse(); + + out = fopen(outputname, "w"); + if (!out) { + perror(outputname); + exit(1); + } + + hdr = fopen(headername, "w"); + if (!out) { + perror(headername); + exit(1); + } + + render(out, hdr); + + if (fclose(out) < 0) { + perror(outputname); + exit(1); + } + + if (fclose(hdr) < 0) { + perror(headername); + exit(1); + } + + return 0; +} + +enum compound { + NOT_COMPOUND, + SET, + SET_OF, + SEQUENCE, + SEQUENCE_OF, + CHOICE, + ANY, + TYPE_REF, + TAG_OVERRIDE +}; + +struct element { + struct type *type_def; + struct token *name; + struct token *type; + struct action *action; + struct element *children; + struct element *next; + struct element *render_next; + struct element *list_next; + uint8_t n_elements; + enum compound compound : 8; + enum asn1_class class : 8; + enum asn1_method method : 8; + uint8_t tag; + unsigned entry_index; + unsigned flags; +#define ELEMENT_IMPLICIT 0x0001 +#define ELEMENT_EXPLICIT 0x0002 +#define ELEMENT_MARKED 0x0004 +#define ELEMENT_RENDERED 0x0008 +#define ELEMENT_SKIPPABLE 0x0010 +#define ELEMENT_CONDITIONAL 0x0020 +}; + +struct type { + struct token *name; + struct token *def; + struct element *element; + unsigned ref_count; + unsigned flags; +#define TYPE_STOP_MARKER 0x0001 +#define TYPE_BEGIN 0x0002 +}; + +static struct type *type_list; +static struct type **type_index; +static unsigned nr_types; + +static int type_index_compare(const void *_a, const void *_b) +{ + const struct type *const *a = _a, *const *b = _b; + + if ((*a)->name->size != (*b)->name->size) + return (*a)->name->size - (*b)->name->size; + else + return memcmp((*a)->name->value, (*b)->name->value, + (*a)->name->size); +} + +static int type_finder(const void *_key, const void *_ti) +{ + const struct token *token = _key; + const struct type *const *ti = _ti; + const struct type *type = *ti; + + if (token->size != type->name->size) + return token->size - type->name->size; + else + return memcmp(token->value, type->name->value, + token->size); +} + +/* + * Build up a list of types and a sorted index to that list. + */ +static void build_type_list(void) +{ + struct type *types; + unsigned nr, t, n; + + nr = 0; + for (n = 0; n < nr_tokens - 1; n++) + if (token_list[n + 0].token_type == TOKEN_TYPE_NAME && + token_list[n + 1].token_type == TOKEN_ASSIGNMENT) + nr++; + + if (nr == 0) { + fprintf(stderr, "%s: No defined types\n", filename); + exit(1); + } + + nr_types = nr; + types = type_list = calloc(nr + 1, sizeof(type_list[0])); + if (!type_list) { + perror(NULL); + exit(1); + } + type_index = calloc(nr, sizeof(type_index[0])); + if (!type_index) { + perror(NULL); + exit(1); + } + + t = 0; + types[t].flags |= TYPE_BEGIN; + for (n = 0; n < nr_tokens - 1; n++) { + if (token_list[n + 0].token_type == TOKEN_TYPE_NAME && + token_list[n + 1].token_type == TOKEN_ASSIGNMENT) { + types[t].name = &token_list[n]; + type_index[t] = &types[t]; + t++; + } + } + types[t].name = &token_list[n + 1]; + types[t].flags |= TYPE_STOP_MARKER; + + qsort(type_index, nr, sizeof(type_index[0]), type_index_compare); + + printf("Extracted %u types\n", nr_types); +#if 0 + for (n = 0; n < nr_types; n++) { + struct type *type = type_index[n]; + printf("- %*.*s\n", + (int)type->name->size, + (int)type->name->size, + type->name->value); + } +#endif +} + +static struct element *parse_type(struct token **_cursor, struct token *stop, + struct token *name); + +/* + * Parse the token stream + */ +static void parse(void) +{ + struct token *cursor; + struct type *type; + + /* Parse one type definition statement at a time */ + type = type_list; + do { + cursor = type->name; + + if (cursor[0].token_type != TOKEN_TYPE_NAME || + cursor[1].token_type != TOKEN_ASSIGNMENT) + abort(); + cursor += 2; + + type->element = parse_type(&cursor, type[1].name, NULL); + type->element->type_def = type; + + if (cursor != type[1].name) { + fprintf(stderr, "%s:%d: Parse error at token '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + + } while (type++, !(type->flags & TYPE_STOP_MARKER)); + + printf("Extracted %u actions\n", nr_actions); +} + +static struct element *element_list; + +static struct element *alloc_elem(struct token *type) +{ + struct element *e = calloc(1, sizeof(*e)); + if (!e) { + perror(NULL); + exit(1); + } + e->list_next = element_list; + element_list = e; + return e; +} + +static struct element *parse_compound(struct token **_cursor, struct token *end, + int alternates); + +/* + * Parse one type definition statement + */ +static struct element *parse_type(struct token **_cursor, struct token *end, + struct token *name) +{ + struct element *top, *element; + struct action *action, **ppaction; + struct token *cursor = *_cursor; + struct type **ref; + char *p; + int labelled = 0, implicit = 0; + + top = element = alloc_elem(cursor); + element->class = ASN1_UNIV; + element->method = ASN1_PRIM; + element->tag = token_to_tag[cursor->token_type]; + element->name = name; + + /* Extract the tag value if one given */ + if (cursor->token_type == TOKEN_OPEN_SQUARE) { + cursor++; + if (cursor >= end) + goto overrun_error; + switch (cursor->token_type) { + case DIRECTIVE_UNIVERSAL: + element->class = ASN1_UNIV; + cursor++; + break; + case DIRECTIVE_APPLICATION: + element->class = ASN1_APPL; + cursor++; + break; + case TOKEN_NUMBER: + element->class = ASN1_CONT; + break; + case DIRECTIVE_PRIVATE: + element->class = ASN1_PRIV; + cursor++; + break; + default: + fprintf(stderr, "%s:%d: Unrecognised tag class token '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != TOKEN_NUMBER) { + fprintf(stderr, "%s:%d: Missing tag number '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + + element->tag &= ~0x1f; + element->tag |= strtoul(cursor->value, &p, 10); + if (p - cursor->value != cursor->size) + abort(); + cursor++; + + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != TOKEN_CLOSE_SQUARE) { + fprintf(stderr, "%s:%d: Missing closing square bracket '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + cursor++; + if (cursor >= end) + goto overrun_error; + labelled = 1; + } + + /* Handle implicit and explicit markers */ + if (cursor->token_type == DIRECTIVE_IMPLICIT) { + element->flags |= ELEMENT_IMPLICIT; + implicit = 1; + cursor++; + if (cursor >= end) + goto overrun_error; + } else if (cursor->token_type == DIRECTIVE_EXPLICIT) { + element->flags |= ELEMENT_EXPLICIT; + cursor++; + if (cursor >= end) + goto overrun_error; + } + + if (labelled) { + if (!implicit) + element->method |= ASN1_CONS; + element->compound = implicit ? TAG_OVERRIDE : SEQUENCE; + element->children = alloc_elem(cursor); + element = element->children; + element->class = ASN1_UNIV; + element->method = ASN1_PRIM; + element->tag = token_to_tag[cursor->token_type]; + element->name = name; + } + + /* Extract the type we're expecting here */ + element->type = cursor; + switch (cursor->token_type) { + case DIRECTIVE_ANY: + element->compound = ANY; + cursor++; + break; + + case DIRECTIVE_NULL: + case DIRECTIVE_BOOLEAN: + case DIRECTIVE_ENUMERATED: + case DIRECTIVE_INTEGER: + element->compound = NOT_COMPOUND; + cursor++; + break; + + case DIRECTIVE_EXTERNAL: + element->method = ASN1_CONS; + + case DIRECTIVE_BMPString: + case DIRECTIVE_GeneralString: + case DIRECTIVE_GraphicString: + case DIRECTIVE_IA5String: + case DIRECTIVE_ISO646String: + case DIRECTIVE_NumericString: + case DIRECTIVE_PrintableString: + case DIRECTIVE_T61String: + case DIRECTIVE_TeletexString: + case DIRECTIVE_UniversalString: + case DIRECTIVE_UTF8String: + case DIRECTIVE_VideotexString: + case DIRECTIVE_VisibleString: + case DIRECTIVE_ObjectDescriptor: + case DIRECTIVE_GeneralizedTime: + case DIRECTIVE_UTCTime: + element->compound = NOT_COMPOUND; + cursor++; + break; + + case DIRECTIVE_BIT: + case DIRECTIVE_OCTET: + element->compound = NOT_COMPOUND; + cursor++; + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != DIRECTIVE_STRING) + goto parse_error; + cursor++; + break; + + case DIRECTIVE_OBJECT: + element->compound = NOT_COMPOUND; + cursor++; + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != DIRECTIVE_IDENTIFIER) + goto parse_error; + cursor++; + break; + + case TOKEN_TYPE_NAME: + element->compound = TYPE_REF; + ref = bsearch(cursor, type_index, nr_types, sizeof(type_index[0]), + type_finder); + if (!ref) { + fprintf(stderr, "%s:%d: Type '%*.*s' undefined\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + cursor->type = *ref; + (*ref)->ref_count++; + cursor++; + break; + + case DIRECTIVE_CHOICE: + element->compound = CHOICE; + cursor++; + element->children = parse_compound(&cursor, end, 1); + break; + + case DIRECTIVE_SEQUENCE: + element->compound = SEQUENCE; + element->method = ASN1_CONS; + cursor++; + if (cursor >= end) + goto overrun_error; + if (cursor->token_type == DIRECTIVE_OF) { + element->compound = SEQUENCE_OF; + cursor++; + if (cursor >= end) + goto overrun_error; + element->children = parse_type(&cursor, end, NULL); + } else { + element->children = parse_compound(&cursor, end, 0); + } + break; + + case DIRECTIVE_SET: + element->compound = SET; + element->method = ASN1_CONS; + cursor++; + if (cursor >= end) + goto overrun_error; + if (cursor->token_type == DIRECTIVE_OF) { + element->compound = SET_OF; + cursor++; + if (cursor >= end) + goto parse_error; + element->children = parse_type(&cursor, end, NULL); + } else { + element->children = parse_compound(&cursor, end, 1); + } + break; + + default: + fprintf(stderr, "%s:%d: Token '%*.*s' does not introduce a type\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + + /* Handle elements that are optional */ + if (cursor < end && (cursor->token_type == DIRECTIVE_OPTIONAL || + cursor->token_type == DIRECTIVE_DEFAULT) + ) { + cursor++; + top->flags |= ELEMENT_SKIPPABLE; + } + + if (cursor < end && cursor->token_type == TOKEN_OPEN_ACTION) { + cursor++; + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != TOKEN_ELEMENT_NAME) { + fprintf(stderr, "%s:%d: Token '%*.*s' is not an action function name\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + + action = malloc(sizeof(struct action) + cursor->size + 1); + if (!action) { + perror(NULL); + exit(1); + } + action->index = 0; + memcpy(action->name, cursor->value, cursor->size); + action->name[cursor->size] = 0; + + for (ppaction = &action_list; + *ppaction; + ppaction = &(*ppaction)->next + ) { + int cmp = strcmp(action->name, (*ppaction)->name); + if (cmp == 0) { + free(action); + action = *ppaction; + goto found; + } + if (cmp < 0) { + action->next = *ppaction; + *ppaction = action; + nr_actions++; + goto found; + } + } + action->next = NULL; + *ppaction = action; + nr_actions++; + found: + + element->action = action; + cursor->action = action; + cursor++; + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != TOKEN_CLOSE_ACTION) { + fprintf(stderr, "%s:%d: Missing close action, got '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + cursor++; + } + + *_cursor = cursor; + return top; + +parse_error: + fprintf(stderr, "%s:%d: Unexpected token '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + +overrun_error: + fprintf(stderr, "%s: Unexpectedly hit EOF\n", filename); + exit(1); +} + +/* + * Parse a compound type list + */ +static struct element *parse_compound(struct token **_cursor, struct token *end, + int alternates) +{ + struct element *children, **child_p = &children, *element; + struct token *cursor = *_cursor, *name; + + if (cursor->token_type != TOKEN_OPEN_CURLY) { + fprintf(stderr, "%s:%d: Expected compound to start with brace not '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + cursor++; + if (cursor >= end) + goto overrun_error; + + if (cursor->token_type == TOKEN_OPEN_CURLY) { + fprintf(stderr, "%s:%d: Empty compound\n", + filename, cursor->line); + exit(1); + } + + for (;;) { + name = NULL; + if (cursor->token_type == TOKEN_ELEMENT_NAME) { + name = cursor; + cursor++; + if (cursor >= end) + goto overrun_error; + } + + element = parse_type(&cursor, end, name); + if (alternates) + element->flags |= ELEMENT_SKIPPABLE | ELEMENT_CONDITIONAL; + + *child_p = element; + child_p = &element->next; + + if (cursor >= end) + goto overrun_error; + if (cursor->token_type != TOKEN_COMMA) + break; + cursor++; + if (cursor >= end) + goto overrun_error; + } + + children->flags &= ~ELEMENT_CONDITIONAL; + + if (cursor->token_type != TOKEN_CLOSE_CURLY) { + fprintf(stderr, "%s:%d: Expected compound closure, got '%*.*s'\n", + filename, cursor->line, + (int)cursor->size, (int)cursor->size, cursor->value); + exit(1); + } + cursor++; + + *_cursor = cursor; + return children; + +overrun_error: + fprintf(stderr, "%s: Unexpectedly hit EOF\n", filename); + exit(1); +} + +static void render_element(FILE *out, struct element *e, struct element *tag); +static void render_out_of_line_list(FILE *out); + +static int nr_entries; +static int render_depth = 1; +static struct element *render_list, **render_list_p = &render_list; + +__attribute__((format(printf, 2, 3))) +static void render_opcode(FILE *out, const char *fmt, ...) +{ + va_list va; + + if (out) { + fprintf(out, "\t[%4d] =%*s", nr_entries, render_depth, ""); + va_start(va, fmt); + vfprintf(out, fmt, va); + va_end(va); + } + nr_entries++; +} + +__attribute__((format(printf, 2, 3))) +static void render_more(FILE *out, const char *fmt, ...) +{ + va_list va; + + if (out) { + va_start(va, fmt); + vfprintf(out, fmt, va); + va_end(va); + } +} + +/* + * Render the grammar into a state machine definition. + */ +static void render(FILE *out, FILE *hdr) +{ + struct element *e; + struct action *action; + struct type *root; + int index; + + fprintf(hdr, "/*\n"); + fprintf(hdr, " * Automatically generated by asn1_compiler. Do not edit\n"); + fprintf(hdr, " *\n"); + fprintf(hdr, " * ASN.1 parser for %s\n", grammar_name); + fprintf(hdr, " */\n"); + fprintf(hdr, "#include <linux/asn1_decoder.h>\n"); + fprintf(hdr, "\n"); + fprintf(hdr, "extern const struct asn1_decoder %s_decoder;\n", grammar_name); + if (ferror(hdr)) { + perror(headername); + exit(1); + } + + fprintf(out, "/*\n"); + fprintf(out, " * Automatically generated by asn1_compiler. Do not edit\n"); + fprintf(out, " *\n"); + fprintf(out, " * ASN.1 parser for %s\n", grammar_name); + fprintf(out, " */\n"); + fprintf(out, "#include <linux/asn1_ber_bytecode.h>\n"); + fprintf(out, "#include \"%s-asn1.h\"\n", grammar_name); + fprintf(out, "\n"); + if (ferror(out)) { + perror(outputname); + exit(1); + } + + /* Tabulate the action functions we might have to call */ + fprintf(hdr, "\n"); + index = 0; + for (action = action_list; action; action = action->next) { + action->index = index++; + fprintf(hdr, + "extern int %s(void *, size_t, unsigned char," + " const void *, size_t);\n", + action->name); + } + fprintf(hdr, "\n"); + + fprintf(out, "enum %s_actions {\n", grammar_name); + for (action = action_list; action; action = action->next) + fprintf(out, "\tACT_%s = %u,\n", + action->name, action->index); + fprintf(out, "\tNR__%s_actions = %u\n", grammar_name, nr_actions); + fprintf(out, "};\n"); + + fprintf(out, "\n"); + fprintf(out, "static const asn1_action_t %s_action_table[NR__%s_actions] = {\n", + grammar_name, grammar_name); + for (action = action_list; action; action = action->next) + fprintf(out, "\t[%4u] = %s,\n", action->index, action->name); + fprintf(out, "};\n"); + + if (ferror(out)) { + perror(outputname); + exit(1); + } + + /* We do two passes - the first one calculates all the offsets */ + printf("Pass 1\n"); + nr_entries = 0; + root = &type_list[0]; + render_element(NULL, root->element, NULL); + render_opcode(NULL, "ASN1_OP_COMPLETE,\n"); + render_out_of_line_list(NULL); + + for (e = element_list; e; e = e->list_next) + e->flags &= ~ELEMENT_RENDERED; + + /* And then we actually render */ + printf("Pass 2\n"); + fprintf(out, "\n"); + fprintf(out, "static const unsigned char %s_machine[] = {\n", + grammar_name); + + nr_entries = 0; + root = &type_list[0]; + render_element(out, root->element, NULL); + render_opcode(out, "ASN1_OP_COMPLETE,\n"); + render_out_of_line_list(out); + + fprintf(out, "};\n"); + + fprintf(out, "\n"); + fprintf(out, "const struct asn1_decoder %s_decoder = {\n", grammar_name); + fprintf(out, "\t.machine = %s_machine,\n", grammar_name); + fprintf(out, "\t.machlen = sizeof(%s_machine),\n", grammar_name); + fprintf(out, "\t.actions = %s_action_table,\n", grammar_name); + fprintf(out, "};\n"); +} + +/* + * Render the out-of-line elements + */ +static void render_out_of_line_list(FILE *out) +{ + struct element *e, *ce; + const char *act; + int entry; + + while ((e = render_list)) { + render_list = e->render_next; + if (!render_list) + render_list_p = &render_list; + + render_more(out, "\n"); + e->entry_index = entry = nr_entries; + render_depth++; + for (ce = e->children; ce; ce = ce->next) + render_element(out, ce, NULL); + render_depth--; + + act = e->action ? "_ACT" : ""; + switch (e->compound) { + case SEQUENCE: + render_opcode(out, "ASN1_OP_END_SEQ%s,\n", act); + break; + case SEQUENCE_OF: + render_opcode(out, "ASN1_OP_END_SEQ_OF%s,\n", act); + render_opcode(out, "_jump_target(%u),\n", entry); + break; + case SET: + render_opcode(out, "ASN1_OP_END_SET%s,\n", act); + break; + case SET_OF: + render_opcode(out, "ASN1_OP_END_SET_OF%s,\n", act); + render_opcode(out, "_jump_target(%u),\n", entry); + break; + } + if (e->action) + render_opcode(out, "_action(ACT_%s),\n", + e->action->name); + render_opcode(out, "ASN1_OP_RETURN,\n"); + } +} + +/* + * Render an element. + */ +static void render_element(FILE *out, struct element *e, struct element *tag) +{ + struct element *ec; + const char *cond, *act; + int entry, skippable = 0, outofline = 0; + + if (e->flags & ELEMENT_SKIPPABLE || + (tag && tag->flags & ELEMENT_SKIPPABLE)) + skippable = 1; + + if ((e->type_def && e->type_def->ref_count > 1) || + skippable) + outofline = 1; + + if (e->type_def && out) { + render_more(out, "\t// %*.*s\n", + (int)e->type_def->name->size, (int)e->type_def->name->size, + e->type_def->name->value); + } + + /* Render the operation */ + cond = (e->flags & ELEMENT_CONDITIONAL || + (tag && tag->flags & ELEMENT_CONDITIONAL)) ? "COND_" : ""; + act = e->action ? "_ACT" : ""; + switch (e->compound) { + case ANY: + render_opcode(out, "ASN1_OP_%sMATCH_ANY%s,", cond, act); + if (e->name) + render_more(out, "\t\t// %*.*s", + (int)e->name->size, (int)e->name->size, + e->name->value); + render_more(out, "\n"); + goto dont_render_tag; + + case TAG_OVERRIDE: + render_element(out, e->children, e); + return; + + case SEQUENCE: + case SEQUENCE_OF: + case SET: + case SET_OF: + render_opcode(out, "ASN1_OP_%sMATCH%s%s,", + cond, + outofline ? "_JUMP" : "", + skippable ? "_OR_SKIP" : ""); + break; + + case CHOICE: + goto dont_render_tag; + + case TYPE_REF: + if (e->class == ASN1_UNIV && e->method == ASN1_PRIM && e->tag == 0) + goto dont_render_tag; + default: + render_opcode(out, "ASN1_OP_%sMATCH%s%s,", + cond, act, + skippable ? "_OR_SKIP" : ""); + break; + } + + if (e->name) + render_more(out, "\t\t// %*.*s", + (int)e->name->size, (int)e->name->size, + e->name->value); + render_more(out, "\n"); + + /* Render the tag */ + if (!tag) + tag = e; + if (tag->class == ASN1_UNIV && + tag->tag != 14 && + tag->tag != 15 && + tag->tag != 31) + render_opcode(out, "_tag(%s, %s, %s),\n", + asn1_classes[tag->class], + asn1_methods[tag->method | e->method], + asn1_universal_tags[tag->tag]); + else + render_opcode(out, "_tagn(%s, %s, %2u),\n", + asn1_classes[tag->class], + asn1_methods[tag->method | e->method], + tag->tag); + tag = NULL; +dont_render_tag: + + /* Deal with compound types */ + switch (e->compound) { + case TYPE_REF: + render_element(out, e->type->type->element, tag); + if (e->action) + render_opcode(out, "ASN1_OP_ACT,\n"); + break; + + case SEQUENCE: + if (outofline) { + /* Render out-of-line for multiple use or + * skipability */ + render_opcode(out, "_jump_target(%u),", e->entry_index); + if (e->type_def && e->type_def->name) + render_more(out, "\t\t// --> %*.*s", + (int)e->type_def->name->size, + (int)e->type_def->name->size, + e->type_def->name->value); + render_more(out, "\n"); + if (!(e->flags & ELEMENT_RENDERED)) { + e->flags |= ELEMENT_RENDERED; + *render_list_p = e; + render_list_p = &e->render_next; + } + return; + } else { + /* Render inline for single use */ + render_depth++; + for (ec = e->children; ec; ec = ec->next) + render_element(out, ec, NULL); + render_depth--; + render_opcode(out, "ASN1_OP_END_SEQ%s,\n", act); + } + break; + + case SEQUENCE_OF: + case SET_OF: + if (outofline) { + /* Render out-of-line for multiple use or + * skipability */ + render_opcode(out, "_jump_target(%u),", e->entry_index); + if (e->type_def && e->type_def->name) + render_more(out, "\t\t// --> %*.*s", + (int)e->type_def->name->size, + (int)e->type_def->name->size, + e->type_def->name->value); + render_more(out, "\n"); + if (!(e->flags & ELEMENT_RENDERED)) { + e->flags |= ELEMENT_RENDERED; + *render_list_p = e; + render_list_p = &e->render_next; + } + return; + } else { + /* Render inline for single use */ + entry = nr_entries; + render_depth++; + render_element(out, e->children, NULL); + render_depth--; + if (e->compound == SEQUENCE_OF) + render_opcode(out, "ASN1_OP_END_SEQ_OF%s,\n", act); + else + render_opcode(out, "ASN1_OP_END_SET_OF%s,\n", act); + render_opcode(out, "_jump_target(%u),\n", entry); + } + break; + + case SET: + /* I can't think of a nice way to do SET support without having + * a stack of bitmasks to make sure no element is repeated. + * The bitmask has also to be checked that no non-optional + * elements are left out whilst not preventing optional + * elements from being left out. + */ + fprintf(stderr, "The ASN.1 SET type is not currently supported.\n"); + exit(1); + + case CHOICE: + for (ec = e->children; ec; ec = ec->next) + render_element(out, ec, NULL); + if (!skippable) + render_opcode(out, "ASN1_OP_COND_FAIL,\n"); + if (e->action) + render_opcode(out, "ASN1_OP_ACT,\n"); + break; + + default: + break; + } + + if (e->action) + render_opcode(out, "_action(ACT_%s),\n", e->action->name); +} diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index ca05ba217f5f..21a9f5de0a21 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -421,7 +421,7 @@ sub top_of_kernel_tree { } } return 1; - } +} sub parse_email { my ($formatted_email) = @_; @@ -1386,6 +1386,8 @@ sub process { my $in_header_lines = 1; my $in_commit_log = 0; #Scanning lines before patch + my $non_utf8_charset = 0; + our @report = (); our $cnt_lines = 0; our $cnt_error = 0; @@ -1686,10 +1688,17 @@ sub process { $in_commit_log = 1; } -# Still not yet in a patch, check for any UTF-8 - if ($in_commit_log && $realfile =~ /^$/ && +# Check if there is UTF-8 in a commit log when a mail header has explicitly +# declined it, i.e defined some charset where it is missing. + if ($in_header_lines && + $rawline =~ /^Content-Type:.+charset="(.+)".*$/ && + $1 !~ /utf-8/i) { + $non_utf8_charset = 1; + } + + if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ && $rawline =~ /$NON_ASCII_UTF8/) { - CHK("UTF8_BEFORE_PATCH", + WARN("UTF8_BEFORE_PATCH", "8-bit UTF-8 used in possible commit log\n" . $herecurr); } @@ -1873,6 +1882,20 @@ sub process { "No space is necessary after a cast\n" . $hereprev); } + if ($realfile =~ m@^(drivers/net/|net/)@ && + $rawline =~ /^\+[ \t]*\/\*[ \t]*$/ && + $prevrawline =~ /^\+[ \t]*$/) { + WARN("NETWORKING_BLOCK_COMMENT_STYLE", + "networking block comments don't use an empty /* line, use /* Comment...\n" . $hereprev); + } + + if ($realfile =~ m@^(drivers/net/|net/)@ && + $rawline !~ m@^\+[ \t]*(\/\*|\*\/)@ && + $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { + WARN("NETWORKING_BLOCK_COMMENT_STYLE", + "networking block comments put the trailing */ on a separate line\n" . $herecurr); + } + # check for spaces at the beginning of a line. # Exceptions: # 1) within comments @@ -2390,8 +2413,10 @@ sub process { my $orig = $1; my $level = lc($orig); $level = "warn" if ($level eq "warning"); + my $level2 = $level; + $level2 = "dbg" if ($level eq "debug"); WARN("PREFER_PR_LEVEL", - "Prefer pr_$level(... to printk(KERN_$1, ...\n" . $herecurr); + "Prefer netdev_$level2(netdev, ... then dev_$level2(dev, ... then pr_$level(... to printk(KERN_$orig ...\n" . $herecurr); } if ($line =~ /\bpr_warning\s*\(/) { @@ -2947,7 +2972,7 @@ sub process { my $exceptions = qr{ $Declare| module_param_named| - MODULE_PARAM_DESC| + MODULE_PARM_DESC| DECLARE_PER_CPU| DEFINE_PER_CPU| __typeof__\(| diff --git a/scripts/coccicheck b/scripts/coccicheck index 823e972149e5..1a49d1c7ecfe 100755 --- a/scripts/coccicheck +++ b/scripts/coccicheck @@ -95,6 +95,9 @@ coccinelle () { $SPATCH -D report $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \ $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || \ $SPATCH -D org $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1 + elif [ "$MODE" = "rep+ctxt" ] ; then + $SPATCH -D report $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \ + $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1 else $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1 fi diff --git a/scripts/coccinelle/api/ptr_ret.cocci b/scripts/coccinelle/api/ptr_ret.cocci index cbfd08c7d8c7..15f076fdecbe 100644 --- a/scripts/coccinelle/api/ptr_ret.cocci +++ b/scripts/coccinelle/api/ptr_ret.cocci @@ -30,6 +30,13 @@ expression ptr; - if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; + return PTR_RET(ptr); +@depends on patch@ +expression ptr; +@@ + +- (IS_ERR(ptr) ? PTR_ERR(ptr) : 0) ++ PTR_RET(ptr) + @r1 depends on !patch@ expression ptr; position p1; @@ -44,6 +51,13 @@ position p2; * if@p2 (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; +@r3 depends on !patch@ +expression ptr; +position p3; +@@ + +* IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0 + @script:python depends on org@ p << r1.p1; @@ @@ -57,6 +71,12 @@ p << r2.p2; coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used") +@script:python depends on org@ +p << r3.p3; +@@ + +coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used") + @script:python depends on report@ p << r1.p1; @@ @@ -68,3 +88,9 @@ p << r2.p2; @@ coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used") + +@script:python depends on report@ +p << r3.p3; +@@ + +coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used") diff --git a/scripts/coccinelle/tests/odd_ptr_err.cocci b/scripts/coccinelle/tests/odd_ptr_err.cocci new file mode 100644 index 000000000000..e8dd8a6b28a2 --- /dev/null +++ b/scripts/coccinelle/tests/odd_ptr_err.cocci @@ -0,0 +1,65 @@ +/// PTR_ERR should access the value just tested by IS_ERR +//# There can be false positives in the patch case, where it is the call +//# IS_ERR that is wrong. +/// +// Confidence: High +// Copyright: (C) 2012 Julia Lawall, INRIA. GPLv2. +// Copyright: (C) 2012 Gilles Muller, INRIA. GPLv2. +// URL: http://coccinelle.lip6.fr/ +// Comments: +// Options: -no_includes -include_headers + +virtual patch +virtual context +virtual org +virtual report + +@depends on patch@ +expression e,e1; +@@ + +( +if (IS_ERR(e)) { ... PTR_ERR(e) ... } +| +if (IS_ERR(e=e1)) { ... PTR_ERR(e) ... } +| +if (IS_ERR(e)) + { ... + PTR_ERR( +- e1 ++ e + ) + ... } +) + +@r depends on !patch@ +expression e,e1; +position p1,p2; +@@ + +( +if (IS_ERR(e)) { ... PTR_ERR(e) ... } +| +if (IS_ERR(e=e1)) { ... PTR_ERR(e) ... } +| +*if (IS_ERR@p1(e)) + { ... +* PTR_ERR@p2(e1) + ... } +) + +@script:python depends on org@ +p1 << r.p1; +p2 << r.p2; +@@ + +cocci.print_main("inconsistent IS_ERR and PTR_ERR",p1) +cocci.print_secs("PTR_ERR",p2) + +@script:python depends on report@ +p1 << r.p1; +p2 << r.p2; +@@ + +msg = "inconsistent IS_ERR and PTR_ERR, PTR_ERR on line %s" % (p2[0].line) +coccilib.report.print_report(p1[0],msg) diff --git a/scripts/dtc/Makefile.dtc b/scripts/dtc/Makefile.dtc index 6ddf9ecac669..bece49b35535 100644 --- a/scripts/dtc/Makefile.dtc +++ b/scripts/dtc/Makefile.dtc @@ -3,7 +3,16 @@ # This is not a complete Makefile of itself. Instead, it is designed to # be easily embeddable into other systems of Makefiles. # -DTC_SRCS = dtc.c flattree.c fstree.c data.c livetree.c treesource.c srcpos.c \ - checks.c +DTC_SRCS = \ + checks.c \ + data.c \ + dtc.c \ + flattree.c \ + fstree.c \ + livetree.c \ + srcpos.c \ + treesource.c \ + util.c + DTC_GEN_SRCS = dtc-lexer.lex.c dtc-parser.tab.c DTC_OBJS = $(DTC_SRCS:%.c=%.o) $(DTC_GEN_SRCS:%.c=%.o) diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c index a662a0044798..ee96a2519eff 100644 --- a/scripts/dtc/checks.c +++ b/scripts/dtc/checks.c @@ -31,12 +31,6 @@ #define TRACE(c, fmt, ...) do { } while (0) #endif -enum checklevel { - IGNORE = 0, - WARN = 1, - ERROR = 2, -}; - enum checkstatus { UNCHECKED = 0, PREREQ, @@ -57,14 +51,14 @@ struct check { node_check_fn node_fn; prop_check_fn prop_fn; void *data; - enum checklevel level; + bool warn, error; enum checkstatus status; int inprogress; int num_prereqs; struct check **prereq; }; -#define CHECK(nm, tfn, nfn, pfn, d, lvl, ...) \ +#define CHECK_ENTRY(nm, tfn, nfn, pfn, d, w, e, ...) \ static struct check *nm##_prereqs[] = { __VA_ARGS__ }; \ static struct check nm = { \ .name = #nm, \ @@ -72,20 +66,37 @@ struct check { .node_fn = (nfn), \ .prop_fn = (pfn), \ .data = (d), \ - .level = (lvl), \ + .warn = (w), \ + .error = (e), \ .status = UNCHECKED, \ .num_prereqs = ARRAY_SIZE(nm##_prereqs), \ .prereq = nm##_prereqs, \ }; - -#define TREE_CHECK(nm, d, lvl, ...) \ - CHECK(nm, check_##nm, NULL, NULL, d, lvl, __VA_ARGS__) -#define NODE_CHECK(nm, d, lvl, ...) \ - CHECK(nm, NULL, check_##nm, NULL, d, lvl, __VA_ARGS__) -#define PROP_CHECK(nm, d, lvl, ...) \ - CHECK(nm, NULL, NULL, check_##nm, d, lvl, __VA_ARGS__) -#define BATCH_CHECK(nm, lvl, ...) \ - CHECK(nm, NULL, NULL, NULL, NULL, lvl, __VA_ARGS__) +#define WARNING(nm, tfn, nfn, pfn, d, ...) \ + CHECK_ENTRY(nm, tfn, nfn, pfn, d, true, false, __VA_ARGS__) +#define ERROR(nm, tfn, nfn, pfn, d, ...) \ + CHECK_ENTRY(nm, tfn, nfn, pfn, d, false, true, __VA_ARGS__) +#define CHECK(nm, tfn, nfn, pfn, d, ...) \ + CHECK_ENTRY(nm, tfn, nfn, pfn, d, false, false, __VA_ARGS__) + +#define TREE_WARNING(nm, d, ...) \ + WARNING(nm, check_##nm, NULL, NULL, d, __VA_ARGS__) +#define TREE_ERROR(nm, d, ...) \ + ERROR(nm, check_##nm, NULL, NULL, d, __VA_ARGS__) +#define TREE_CHECK(nm, d, ...) \ + CHECK(nm, check_##nm, NULL, NULL, d, __VA_ARGS__) +#define NODE_WARNING(nm, d, ...) \ + WARNING(nm, NULL, check_##nm, NULL, d, __VA_ARGS__) +#define NODE_ERROR(nm, d, ...) \ + ERROR(nm, NULL, check_##nm, NULL, d, __VA_ARGS__) +#define NODE_CHECK(nm, d, ...) \ + CHECK(nm, NULL, check_##nm, NULL, d, __VA_ARGS__) +#define PROP_WARNING(nm, d, ...) \ + WARNING(nm, NULL, NULL, check_##nm, d, __VA_ARGS__) +#define PROP_ERROR(nm, d, ...) \ + ERROR(nm, NULL, NULL, check_##nm, d, __VA_ARGS__) +#define PROP_CHECK(nm, d, ...) \ + CHECK(nm, NULL, NULL, check_##nm, d, __VA_ARGS__) #ifdef __GNUC__ static inline void check_msg(struct check *c, const char *fmt, ...) __attribute__((format (printf, 2, 3))); @@ -95,13 +106,13 @@ static inline void check_msg(struct check *c, const char *fmt, ...) va_list ap; va_start(ap, fmt); - if ((c->level < WARN) || (c->level <= quiet)) - return; /* Suppress message */ - - fprintf(stderr, "%s (%s): ", - (c->level == ERROR) ? "ERROR" : "Warning", c->name); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); + if ((c->warn && (quiet < 1)) + || (c->error && (quiet < 2))) { + fprintf(stderr, "%s (%s): ", + (c->error) ? "ERROR" : "Warning", c->name); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + } } #define FAIL(c, ...) \ @@ -167,7 +178,7 @@ static int run_check(struct check *c, struct node *dt) out: c->inprogress = 0; - if ((c->status != PASSED) && (c->level == ERROR)) + if ((c->status != PASSED) && (c->error)) error = 1; return error; } @@ -176,6 +187,13 @@ out: * Utility check functions */ +/* A check which always fails, for testing purposes only */ +static inline void check_always_fail(struct check *c, struct node *dt) +{ + FAIL(c, "always_fail check"); +} +TREE_CHECK(always_fail, NULL); + static void check_is_string(struct check *c, struct node *root, struct node *node) { @@ -190,8 +208,10 @@ static void check_is_string(struct check *c, struct node *root, FAIL(c, "\"%s\" property in %s is not a string", propname, node->fullpath); } -#define CHECK_IS_STRING(nm, propname, lvl) \ - CHECK(nm, NULL, check_is_string, NULL, (propname), (lvl)) +#define WARNING_IF_NOT_STRING(nm, propname) \ + WARNING(nm, NULL, check_is_string, NULL, (propname)) +#define ERROR_IF_NOT_STRING(nm, propname) \ + ERROR(nm, NULL, check_is_string, NULL, (propname)) static void check_is_cell(struct check *c, struct node *root, struct node *node) @@ -207,8 +227,10 @@ static void check_is_cell(struct check *c, struct node *root, FAIL(c, "\"%s\" property in %s is not a single cell", propname, node->fullpath); } -#define CHECK_IS_CELL(nm, propname, lvl) \ - CHECK(nm, NULL, check_is_cell, NULL, (propname), (lvl)) +#define WARNING_IF_NOT_CELL(nm, propname) \ + WARNING(nm, NULL, check_is_cell, NULL, (propname)) +#define ERROR_IF_NOT_CELL(nm, propname) \ + ERROR(nm, NULL, check_is_cell, NULL, (propname)) /* * Structural check functions @@ -227,20 +249,24 @@ static void check_duplicate_node_names(struct check *c, struct node *dt, FAIL(c, "Duplicate node name %s", child->fullpath); } -NODE_CHECK(duplicate_node_names, NULL, ERROR); +NODE_ERROR(duplicate_node_names, NULL); static void check_duplicate_property_names(struct check *c, struct node *dt, struct node *node) { struct property *prop, *prop2; - for_each_property(node, prop) - for (prop2 = prop->next; prop2; prop2 = prop2->next) + for_each_property(node, prop) { + for (prop2 = prop->next; prop2; prop2 = prop2->next) { + if (prop2->deleted) + continue; if (streq(prop->name, prop2->name)) FAIL(c, "Duplicate property name %s in %s", prop->name, node->fullpath); + } + } } -NODE_CHECK(duplicate_property_names, NULL, ERROR); +NODE_ERROR(duplicate_property_names, NULL); #define LOWERCASE "abcdefghijklmnopqrstuvwxyz" #define UPPERCASE "ABCDEFGHIJKLMNOPQRSTUVWXYZ" @@ -256,7 +282,7 @@ static void check_node_name_chars(struct check *c, struct node *dt, FAIL(c, "Bad character '%c' in node %s", node->name[n], node->fullpath); } -NODE_CHECK(node_name_chars, PROPNODECHARS "@", ERROR); +NODE_ERROR(node_name_chars, PROPNODECHARS "@"); static void check_node_name_format(struct check *c, struct node *dt, struct node *node) @@ -265,7 +291,7 @@ static void check_node_name_format(struct check *c, struct node *dt, FAIL(c, "Node %s has multiple '@' characters in name", node->fullpath); } -NODE_CHECK(node_name_format, NULL, ERROR, &node_name_chars); +NODE_ERROR(node_name_format, NULL, &node_name_chars); static void check_property_name_chars(struct check *c, struct node *dt, struct node *node, struct property *prop) @@ -276,7 +302,7 @@ static void check_property_name_chars(struct check *c, struct node *dt, FAIL(c, "Bad character '%c' in property name \"%s\", node %s", prop->name[n], prop->name, node->fullpath); } -PROP_CHECK(property_name_chars, PROPNODECHARS, ERROR); +PROP_ERROR(property_name_chars, PROPNODECHARS); #define DESCLABEL_FMT "%s%s%s%s%s" #define DESCLABEL_ARGS(node,prop,mark) \ @@ -331,8 +357,8 @@ static void check_duplicate_label_prop(struct check *c, struct node *dt, for_each_marker_of_type(m, LABEL) check_duplicate_label(c, dt, m->ref, node, prop, m); } -CHECK(duplicate_label, NULL, check_duplicate_label_node, - check_duplicate_label_prop, NULL, ERROR); +ERROR(duplicate_label, NULL, check_duplicate_label_node, + check_duplicate_label_prop, NULL); static void check_explicit_phandles(struct check *c, struct node *root, struct node *node, struct property *prop) @@ -391,7 +417,7 @@ static void check_explicit_phandles(struct check *c, struct node *root, node->phandle = phandle; } -PROP_CHECK(explicit_phandles, NULL, ERROR); +PROP_ERROR(explicit_phandles, NULL); static void check_name_properties(struct check *c, struct node *root, struct node *node) @@ -420,8 +446,8 @@ static void check_name_properties(struct check *c, struct node *root, free(prop); } } -CHECK_IS_STRING(name_is_string, "name", ERROR); -NODE_CHECK(name_properties, NULL, ERROR, &name_is_string); +ERROR_IF_NOT_STRING(name_is_string, "name"); +NODE_ERROR(name_properties, NULL, &name_is_string); /* * Reference fixup functions @@ -448,7 +474,7 @@ static void fixup_phandle_references(struct check *c, struct node *dt, *((cell_t *)(prop->val.val + m->offset)) = cpu_to_fdt32(phandle); } } -CHECK(phandle_references, NULL, NULL, fixup_phandle_references, NULL, ERROR, +ERROR(phandle_references, NULL, NULL, fixup_phandle_references, NULL, &duplicate_node_names, &explicit_phandles); static void fixup_path_references(struct check *c, struct node *dt, @@ -473,19 +499,19 @@ static void fixup_path_references(struct check *c, struct node *dt, strlen(path) + 1); } } -CHECK(path_references, NULL, NULL, fixup_path_references, NULL, ERROR, +ERROR(path_references, NULL, NULL, fixup_path_references, NULL, &duplicate_node_names); /* * Semantic checks */ -CHECK_IS_CELL(address_cells_is_cell, "#address-cells", WARN); -CHECK_IS_CELL(size_cells_is_cell, "#size-cells", WARN); -CHECK_IS_CELL(interrupt_cells_is_cell, "#interrupt-cells", WARN); +WARNING_IF_NOT_CELL(address_cells_is_cell, "#address-cells"); +WARNING_IF_NOT_CELL(size_cells_is_cell, "#size-cells"); +WARNING_IF_NOT_CELL(interrupt_cells_is_cell, "#interrupt-cells"); -CHECK_IS_STRING(device_type_is_string, "device_type", WARN); -CHECK_IS_STRING(model_is_string, "model", WARN); -CHECK_IS_STRING(status_is_string, "status", WARN); +WARNING_IF_NOT_STRING(device_type_is_string, "device_type"); +WARNING_IF_NOT_STRING(model_is_string, "model"); +WARNING_IF_NOT_STRING(status_is_string, "status"); static void fixup_addr_size_cells(struct check *c, struct node *dt, struct node *node) @@ -503,8 +529,8 @@ static void fixup_addr_size_cells(struct check *c, struct node *dt, if (prop) node->size_cells = propval_cell(prop); } -CHECK(addr_size_cells, NULL, fixup_addr_size_cells, NULL, NULL, WARN, - &address_cells_is_cell, &size_cells_is_cell); +WARNING(addr_size_cells, NULL, fixup_addr_size_cells, NULL, NULL, + &address_cells_is_cell, &size_cells_is_cell); #define node_addr_cells(n) \ (((n)->addr_cells == -1) ? 2 : (n)->addr_cells) @@ -538,7 +564,7 @@ static void check_reg_format(struct check *c, struct node *dt, "(#address-cells == %d, #size-cells == %d)", node->fullpath, prop->val.len, addr_cells, size_cells); } -NODE_CHECK(reg_format, NULL, WARN, &addr_size_cells); +NODE_WARNING(reg_format, NULL, &addr_size_cells); static void check_ranges_format(struct check *c, struct node *dt, struct node *node) @@ -579,7 +605,7 @@ static void check_ranges_format(struct check *c, struct node *dt, p_addr_cells, c_addr_cells, c_size_cells); } } -NODE_CHECK(ranges_format, NULL, WARN, &addr_size_cells); +NODE_WARNING(ranges_format, NULL, &addr_size_cells); /* * Style checks @@ -606,7 +632,7 @@ static void check_avoid_default_addr_size(struct check *c, struct node *dt, FAIL(c, "Relying on default #size-cells value for %s", node->fullpath); } -NODE_CHECK(avoid_default_addr_size, NULL, WARN, &addr_size_cells); +NODE_WARNING(avoid_default_addr_size, NULL, &addr_size_cells); static void check_obsolete_chosen_interrupt_controller(struct check *c, struct node *dt) @@ -623,7 +649,7 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c, FAIL(c, "/chosen has obsolete \"interrupt-controller\" " "property"); } -TREE_CHECK(obsolete_chosen_interrupt_controller, NULL, WARN); +TREE_WARNING(obsolete_chosen_interrupt_controller, NULL); static struct check *check_table[] = { &duplicate_node_names, &duplicate_property_names, @@ -642,8 +668,71 @@ static struct check *check_table[] = { &avoid_default_addr_size, &obsolete_chosen_interrupt_controller, + + &always_fail, }; +static void enable_warning_error(struct check *c, bool warn, bool error) +{ + int i; + + /* Raising level, also raise it for prereqs */ + if ((warn && !c->warn) || (error && !c->error)) + for (i = 0; i < c->num_prereqs; i++) + enable_warning_error(c->prereq[i], warn, error); + + c->warn = c->warn || warn; + c->error = c->error || error; +} + +static void disable_warning_error(struct check *c, bool warn, bool error) +{ + int i; + + /* Lowering level, also lower it for things this is the prereq + * for */ + if ((warn && c->warn) || (error && c->error)) { + for (i = 0; i < ARRAY_SIZE(check_table); i++) { + struct check *cc = check_table[i]; + int j; + + for (j = 0; j < cc->num_prereqs; j++) + if (cc->prereq[j] == c) + disable_warning_error(cc, warn, error); + } + } + + c->warn = c->warn && !warn; + c->error = c->error && !error; +} + +void parse_checks_option(bool warn, bool error, const char *optarg) +{ + int i; + const char *name = optarg; + bool enable = true; + + if ((strncmp(optarg, "no-", 3) == 0) + || (strncmp(optarg, "no_", 3) == 0)) { + name = optarg + 3; + enable = false; + } + + for (i = 0; i < ARRAY_SIZE(check_table); i++) { + struct check *c = check_table[i]; + + if (streq(c->name, name)) { + if (enable) + enable_warning_error(c, warn, error); + else + disable_warning_error(c, warn, error); + return; + } + } + + die("Unrecognized check name \"%s\"\n", name); +} + void process_checks(int force, struct boot_info *bi) { struct node *dt = bi->dt; @@ -653,7 +742,7 @@ void process_checks(int force, struct boot_info *bi) for (i = 0; i < ARRAY_SIZE(check_table); i++) { struct check *c = check_table[i]; - if (c->level != IGNORE) + if (c->warn || c->error) error = error || run_check(c, dt); } diff --git a/scripts/dtc/data.c b/scripts/dtc/data.c index fe555e819bf8..4a40c5b92474 100644 --- a/scripts/dtc/data.c +++ b/scripts/dtc/data.c @@ -68,40 +68,6 @@ struct data data_copy_mem(const char *mem, int len) return d; } -static char get_oct_char(const char *s, int *i) -{ - char x[4]; - char *endx; - long val; - - x[3] = '\0'; - strncpy(x, s + *i, 3); - - val = strtol(x, &endx, 8); - - assert(endx > x); - - (*i) += endx - x; - return val; -} - -static char get_hex_char(const char *s, int *i) -{ - char x[3]; - char *endx; - long val; - - x[2] = '\0'; - strncpy(x, s + *i, 2); - - val = strtol(x, &endx, 16); - if (!(endx > x)) - die("\\x used with no following hex digits\n"); - - (*i) += endx - x; - return val; -} - struct data data_copy_escape_string(const char *s, int len) { int i = 0; @@ -114,53 +80,10 @@ struct data data_copy_escape_string(const char *s, int len) while (i < len) { char c = s[i++]; - if (c != '\\') { - q[d.len++] = c; - continue; - } - - c = s[i++]; - assert(c); - switch (c) { - case 'a': - q[d.len++] = '\a'; - break; - case 'b': - q[d.len++] = '\b'; - break; - case 't': - q[d.len++] = '\t'; - break; - case 'n': - q[d.len++] = '\n'; - break; - case 'v': - q[d.len++] = '\v'; - break; - case 'f': - q[d.len++] = '\f'; - break; - case 'r': - q[d.len++] = '\r'; - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - i--; /* need to re-read the first digit as - * part of the octal value */ - q[d.len++] = get_oct_char(s, &i); - break; - case 'x': - q[d.len++] = get_hex_char(s, &i); - break; - default: - q[d.len++] = c; - } + if (c == '\\') + c = get_escape_char(s, &i); + + q[d.len++] = c; } q[d.len++] = '\0'; @@ -245,11 +168,33 @@ struct data data_merge(struct data d1, struct data d2) return d; } -struct data data_append_cell(struct data d, cell_t word) +struct data data_append_integer(struct data d, uint64_t value, int bits) { - cell_t beword = cpu_to_fdt32(word); - - return data_append_data(d, &beword, sizeof(beword)); + uint8_t value_8; + uint16_t value_16; + uint32_t value_32; + uint64_t value_64; + + switch (bits) { + case 8: + value_8 = value; + return data_append_data(d, &value_8, 1); + + case 16: + value_16 = cpu_to_fdt16(value); + return data_append_data(d, &value_16, 2); + + case 32: + value_32 = cpu_to_fdt32(value); + return data_append_data(d, &value_32, 4); + + case 64: + value_64 = cpu_to_fdt64(value); + return data_append_data(d, &value_64, 8); + + default: + die("Invalid literal size (%d)\n", bits); + } } struct data data_append_re(struct data d, const struct fdt_reserve_entry *re) @@ -262,11 +207,14 @@ struct data data_append_re(struct data d, const struct fdt_reserve_entry *re) return data_append_data(d, &bere, sizeof(bere)); } -struct data data_append_addr(struct data d, uint64_t addr) +struct data data_append_cell(struct data d, cell_t word) { - uint64_t beaddr = cpu_to_fdt64(addr); + return data_append_integer(d, word, sizeof(word) * 8); +} - return data_append_data(d, &beaddr, sizeof(beaddr)); +struct data data_append_addr(struct data d, uint64_t addr) +{ + return data_append_integer(d, addr, sizeof(addr) * 8); } struct data data_append_byte(struct data d, uint8_t byte) diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l index e866ea5166ac..254d5af88956 100644 --- a/scripts/dtc/dtc-lexer.l +++ b/scripts/dtc/dtc-lexer.l @@ -29,6 +29,7 @@ PROPNODECHAR [a-zA-Z0-9,._+*#?@-] PATHCHAR ({PROPNODECHAR}|[/]) LABEL [a-zA-Z_][a-zA-Z0-9_]* STRING \"([^\\"]|\\.)*\" +CHAR_LITERAL '([^']|\\')*' WS [[:space:]] COMMENT "/*"([^*]|\*+[^*/])*\*+"/" LINECOMMENT "//".*\n @@ -70,6 +71,27 @@ static int pop_input_file(void); push_input_file(name); } +<*>^"#"(line)?{WS}+[0-9]+{WS}+{STRING}({WS}+[0-9]+)? { + char *line, *tmp, *fn; + /* skip text before line # */ + line = yytext; + while (!isdigit(*line)) + line++; + /* skip digits in line # */ + tmp = line; + while (!isspace(*tmp)) + tmp++; + /* "NULL"-terminate line # */ + *tmp = '\0'; + /* start of filename */ + fn = strchr(tmp + 1, '"') + 1; + /* strip trailing " from filename */ + tmp = strchr(fn, '"'); + *tmp = 0; + /* -1 since #line is the number of the next line */ + srcpos_set_line(xstrdup(fn), atoi(line) - 1); + } + <*><<EOF>> { if (!pop_input_file()) { yyterminate(); @@ -96,6 +118,26 @@ static int pop_input_file(void); return DT_MEMRESERVE; } +<*>"/bits/" { + DPRINT("Keyword: /bits/\n"); + BEGIN_DEFAULT(); + return DT_BITS; + } + +<*>"/delete-property/" { + DPRINT("Keyword: /delete-property/\n"); + DPRINT("<PROPNODENAME>\n"); + BEGIN(PROPNODENAME); + return DT_DEL_PROP; + } + +<*>"/delete-node/" { + DPRINT("Keyword: /delete-node/\n"); + DPRINT("<PROPNODENAME>\n"); + BEGIN(PROPNODENAME); + return DT_DEL_NODE; + } + <*>{LABEL}: { DPRINT("Label: %s\n", yytext); yylval.labelref = xstrdup(yytext); @@ -103,12 +145,19 @@ static int pop_input_file(void); return DT_LABEL; } -<V1>[0-9]+|0[xX][0-9a-fA-F]+ { +<V1>([0-9]+|0[xX][0-9a-fA-F]+)(U|L|UL|LL|ULL)? { yylval.literal = xstrdup(yytext); DPRINT("Literal: '%s'\n", yylval.literal); return DT_LITERAL; } +<*>{CHAR_LITERAL} { + yytext[yyleng-1] = '\0'; + yylval.literal = xstrdup(yytext+1); + DPRINT("Character literal: %s\n", yylval.literal); + return DT_CHAR_LITERAL; + } + <*>\&{LABEL} { /* label reference */ DPRINT("Ref: %s\n", yytext+1); yylval.labelref = xstrdup(yytext+1); @@ -134,9 +183,10 @@ static int pop_input_file(void); return ']'; } -<PROPNODENAME>{PROPNODECHAR}+ { +<PROPNODENAME>\\?{PROPNODECHAR}+ { DPRINT("PropNodeName: %s\n", yytext); - yylval.propnodename = xstrdup(yytext); + yylval.propnodename = xstrdup((yytext[0] == '\\') ? + yytext + 1 : yytext); BEGIN_DEFAULT(); return DT_PROPNODENAME; } @@ -150,6 +200,15 @@ static int pop_input_file(void); <*>{COMMENT}+ /* eat C-style comments */ <*>{LINECOMMENT}+ /* eat C++-style comments */ +<*>"<<" { return DT_LSHIFT; }; +<*>">>" { return DT_RSHIFT; }; +<*>"<=" { return DT_LE; }; +<*>">=" { return DT_GE; }; +<*>"==" { return DT_EQ; }; +<*>"!=" { return DT_NE; }; +<*>"&&" { return DT_AND; }; +<*>"||" { return DT_OR; }; + <*>. { DPRINT("Char: %c (\\x%02x)\n", yytext[0], (unsigned)yytext[0]); diff --git a/scripts/dtc/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped index 8bbe12817050..a6c5fcdfc032 100644 --- a/scripts/dtc/dtc-lexer.lex.c_shipped +++ b/scripts/dtc/dtc-lexer.lex.c_shipped @@ -1,5 +1,6 @@ +#line 2 "dtc-lexer.lex.c" -#line 3 "scripts/dtc/dtc-lexer.lex.c_shipped" +#line 4 "dtc-lexer.lex.c" #define YY_INT_ALIGNED short int @@ -53,7 +54,6 @@ typedef int flex_int32_t; typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t; typedef unsigned int flex_uint32_t; -#endif /* ! C99 */ /* Limits of integral types. */ #ifndef INT8_MIN @@ -84,6 +84,8 @@ typedef unsigned int flex_uint32_t; #define UINT32_MAX (4294967295U) #endif +#endif /* ! C99 */ + #endif /* ! FLEXINT_H */ #ifdef __cplusplus @@ -140,7 +142,15 @@ typedef unsigned int flex_uint32_t; /* Size of default input buffer. */ #ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else #define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ #endif /* The state buf must be large enough to hold one state per character in the main buffer. @@ -362,8 +372,8 @@ static void yy_fatal_error (yyconst char msg[] ); *yy_cp = '\0'; \ (yy_c_buf_p) = yy_cp; -#define YY_NUM_RULES 17 -#define YY_END_OF_BUFFER 18 +#define YY_NUM_RULES 30 +#define YY_END_OF_BUFFER 31 /* This struct is not used in this scanner, but its presence is necessary. */ struct yy_trans_info @@ -371,19 +381,25 @@ struct yy_trans_info flex_int32_t yy_verify; flex_int32_t yy_nxt; }; -static yyconst flex_int16_t yy_accept[94] = +static yyconst flex_int16_t yy_accept[161] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 18, 16, 13, 13, 16, 16, 16, 16, 16, 16, - 16, 10, 11, 11, 6, 6, 13, 0, 2, 0, - 7, 0, 0, 0, 0, 0, 0, 0, 5, 0, - 9, 9, 11, 11, 6, 0, 7, 0, 0, 0, - 0, 15, 0, 0, 0, 0, 6, 0, 14, 0, - 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 3, 12, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, - 0, 4, 0 - + 31, 29, 18, 18, 29, 29, 29, 29, 29, 29, + 29, 29, 29, 29, 29, 29, 29, 29, 15, 16, + 16, 29, 16, 10, 10, 18, 26, 0, 3, 0, + 27, 12, 0, 0, 11, 0, 0, 0, 0, 0, + 0, 0, 21, 23, 25, 24, 22, 0, 9, 28, + 0, 0, 0, 14, 14, 16, 16, 16, 10, 10, + 10, 0, 12, 0, 11, 0, 0, 0, 20, 0, + 0, 0, 0, 0, 0, 0, 0, 16, 10, 10, + 10, 0, 19, 0, 0, 0, 0, 0, 0, 0, + + 0, 0, 16, 13, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 16, 6, 0, 0, 0, 0, 0, + 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, + 4, 17, 0, 0, 2, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, + 0, 0, 5, 8, 0, 0, 0, 0, 7, 0 } ; static yyconst flex_int32_t yy_ec[256] = @@ -391,17 +407,17 @@ static yyconst flex_int32_t yy_ec[256] = 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 1, 4, 5, 1, 1, 6, 1, 1, - 1, 7, 5, 5, 8, 5, 9, 10, 11, 12, - 12, 12, 12, 12, 12, 12, 12, 13, 1, 1, - 1, 1, 5, 5, 14, 14, 14, 14, 14, 14, - 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, - 15, 15, 15, 15, 15, 15, 15, 16, 15, 15, - 1, 17, 18, 1, 15, 1, 14, 19, 20, 21, - - 22, 14, 15, 15, 23, 15, 15, 24, 25, 26, - 15, 15, 15, 27, 28, 29, 30, 31, 15, 16, - 15, 15, 32, 1, 33, 1, 1, 1, 1, 1, + 1, 2, 4, 5, 6, 1, 1, 7, 8, 1, + 1, 9, 10, 10, 11, 10, 12, 13, 14, 15, + 15, 15, 15, 15, 15, 15, 15, 16, 1, 17, + 18, 19, 10, 10, 20, 20, 20, 20, 20, 20, + 21, 21, 21, 21, 21, 22, 21, 21, 21, 21, + 21, 21, 21, 21, 23, 21, 21, 24, 21, 21, + 1, 25, 26, 1, 21, 1, 20, 27, 28, 29, + + 30, 20, 21, 21, 31, 21, 21, 32, 33, 34, + 35, 36, 21, 37, 38, 39, 40, 41, 21, 24, + 42, 21, 43, 44, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -418,112 +434,163 @@ static yyconst flex_int32_t yy_ec[256] = 1, 1, 1, 1, 1 } ; -static yyconst flex_int32_t yy_meta[34] = +static yyconst flex_int32_t yy_meta[46] = { 0, - 1, 1, 1, 1, 2, 1, 2, 2, 3, 4, - 4, 4, 5, 6, 7, 7, 1, 1, 6, 6, - 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, - 7, 8, 1 + 1, 1, 1, 1, 1, 2, 3, 1, 2, 2, + 2, 4, 5, 5, 5, 6, 1, 1, 1, 7, + 8, 8, 8, 8, 1, 1, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 3, 1, 1 } ; -static yyconst flex_int16_t yy_base[106] = +static yyconst flex_int16_t yy_base[175] = { 0, - 0, 0, 237, 236, 25, 0, 47, 0, 30, 71, - 244, 247, 82, 84, 84, 211, 95, 229, 218, 0, - 111, 247, 0, 84, 83, 95, 106, 86, 247, 237, - 0, 230, 231, 234, 207, 209, 212, 220, 247, 206, - 247, 218, 0, 106, 116, 0, 0, 0, 223, 89, - 226, 219, 199, 206, 200, 204, 0, 190, 213, 212, - 202, 91, 178, 161, 247, 172, 144, 150, 140, 130, - 140, 124, 128, 120, 138, 137, 123, 122, 247, 247, - 134, 114, 132, 86, 135, 125, 90, 136, 247, 97, - 29, 247, 247, 153, 156, 161, 165, 170, 176, 180, - - 187, 195, 200, 205, 212 + 0, 388, 381, 40, 41, 386, 71, 385, 34, 44, + 390, 395, 60, 62, 371, 112, 111, 111, 111, 104, + 370, 106, 371, 342, 124, 119, 0, 144, 395, 0, + 123, 0, 159, 153, 165, 167, 395, 130, 395, 382, + 395, 0, 372, 122, 395, 157, 374, 379, 350, 21, + 346, 349, 395, 395, 395, 395, 395, 362, 395, 395, + 181, 346, 342, 395, 359, 0, 191, 343, 190, 351, + 350, 0, 0, 0, 173, 362, 177, 367, 357, 329, + 335, 328, 337, 331, 206, 329, 334, 327, 395, 338, + 170, 314, 346, 345, 318, 325, 343, 158, 316, 212, + + 322, 319, 320, 395, 340, 336, 308, 305, 314, 304, + 295, 138, 208, 220, 395, 292, 305, 265, 264, 254, + 201, 222, 285, 275, 273, 270, 236, 235, 225, 115, + 395, 395, 252, 216, 216, 217, 214, 230, 209, 220, + 213, 239, 211, 217, 216, 209, 229, 395, 240, 225, + 206, 169, 395, 395, 116, 106, 99, 54, 395, 395, + 254, 260, 268, 272, 276, 282, 289, 293, 301, 309, + 313, 319, 327, 335 } ; -static yyconst flex_int16_t yy_def[106] = +static yyconst flex_int16_t yy_def[175] = { 0, - 93, 1, 1, 1, 1, 5, 93, 7, 1, 1, - 93, 93, 93, 93, 94, 95, 93, 96, 17, 97, - 96, 93, 98, 99, 93, 93, 93, 94, 93, 94, - 100, 93, 101, 102, 93, 93, 93, 96, 93, 93, - 93, 96, 98, 99, 93, 103, 100, 104, 101, 101, - 102, 93, 93, 93, 93, 93, 103, 104, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 105, 93, 105, 93, 105, - 93, 93, 0, 93, 93, 93, 93, 93, 93, 93, - - 93, 93, 93, 93, 93 + 160, 1, 1, 1, 1, 5, 160, 7, 1, 1, + 160, 160, 160, 160, 160, 161, 162, 163, 160, 160, + 160, 160, 164, 160, 160, 160, 165, 164, 160, 166, + 167, 166, 166, 160, 160, 160, 160, 161, 160, 161, + 160, 168, 160, 163, 160, 163, 169, 170, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 164, 160, 160, + 160, 160, 160, 160, 164, 166, 167, 166, 160, 160, + 160, 171, 168, 172, 163, 169, 169, 170, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 166, 160, 160, + 171, 172, 160, 160, 160, 160, 160, 160, 160, 160, + + 160, 160, 166, 160, 160, 160, 160, 160, 160, 160, + 160, 173, 160, 166, 160, 160, 160, 160, 160, 160, + 173, 160, 173, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 174, 160, 160, 160, 174, 160, 174, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 0, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160 } ; -static yyconst flex_int16_t yy_nxt[281] = +static yyconst flex_int16_t yy_nxt[441] = { 0, - 12, 13, 14, 15, 12, 16, 12, 12, 17, 12, - 12, 12, 12, 18, 18, 18, 12, 12, 18, 18, - 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, - 18, 12, 12, 19, 20, 20, 20, 92, 21, 25, - 26, 26, 22, 21, 21, 21, 21, 12, 13, 14, - 15, 23, 16, 23, 23, 19, 23, 23, 23, 12, - 24, 24, 24, 12, 12, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 12, 12, - 25, 26, 26, 27, 27, 27, 27, 29, 43, 29, - 43, 43, 45, 45, 45, 50, 39, 59, 46, 93, - - 30, 33, 30, 34, 45, 45, 45, 27, 27, 68, - 43, 91, 43, 43, 69, 35, 87, 36, 39, 37, - 42, 42, 42, 39, 42, 45, 45, 45, 89, 42, - 42, 42, 42, 85, 85, 86, 85, 85, 86, 89, - 84, 90, 83, 82, 81, 80, 79, 78, 77, 76, - 75, 74, 90, 28, 28, 28, 28, 28, 28, 28, - 28, 31, 31, 31, 38, 38, 38, 38, 41, 73, - 41, 43, 72, 43, 71, 43, 43, 44, 33, 44, - 44, 44, 44, 47, 69, 47, 47, 49, 49, 49, - 49, 49, 49, 49, 49, 51, 51, 51, 51, 51, - - 51, 51, 51, 57, 70, 57, 58, 58, 58, 67, - 58, 58, 88, 88, 88, 88, 88, 88, 88, 88, - 34, 66, 65, 64, 63, 62, 61, 60, 52, 50, - 39, 56, 39, 55, 54, 53, 52, 50, 48, 93, - 40, 39, 32, 93, 19, 19, 11, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93 + 12, 13, 14, 15, 16, 12, 17, 18, 12, 12, + 12, 19, 12, 12, 12, 12, 20, 21, 22, 23, + 23, 23, 23, 23, 12, 12, 23, 23, 23, 23, + 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, + 23, 23, 12, 24, 12, 25, 34, 35, 35, 25, + 81, 26, 26, 27, 27, 27, 34, 35, 35, 82, + 28, 36, 36, 36, 36, 159, 29, 28, 28, 28, + 28, 12, 13, 14, 15, 16, 30, 17, 18, 30, + 30, 30, 26, 30, 30, 30, 12, 20, 21, 22, + 31, 31, 31, 31, 31, 32, 12, 31, 31, 31, + + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 12, 24, 12, 39, 41, 45, 47, + 53, 54, 48, 56, 57, 61, 61, 47, 66, 45, + 48, 66, 66, 66, 39, 46, 40, 49, 59, 50, + 158, 51, 122, 52, 157, 49, 46, 50, 136, 63, + 137, 52, 156, 43, 40, 62, 65, 65, 65, 59, + 61, 61, 123, 65, 75, 69, 69, 69, 36, 36, + 65, 65, 65, 65, 70, 71, 72, 69, 69, 69, + 45, 46, 61, 61, 109, 77, 70, 71, 93, 110, + 68, 70, 71, 85, 85, 85, 66, 46, 155, 66, + + 66, 66, 69, 69, 69, 122, 59, 100, 100, 61, + 61, 70, 71, 100, 100, 148, 112, 154, 85, 85, + 85, 61, 61, 129, 129, 123, 129, 129, 135, 135, + 135, 142, 142, 148, 143, 149, 153, 135, 135, 135, + 142, 142, 160, 143, 152, 151, 150, 146, 145, 144, + 141, 140, 139, 149, 38, 38, 38, 38, 38, 38, + 38, 38, 42, 138, 134, 133, 42, 42, 44, 44, + 44, 44, 44, 44, 44, 44, 58, 58, 58, 58, + 64, 132, 64, 66, 131, 130, 66, 160, 66, 66, + 67, 128, 127, 67, 67, 67, 67, 73, 126, 73, + + 73, 76, 76, 76, 76, 76, 76, 76, 76, 78, + 78, 78, 78, 78, 78, 78, 78, 91, 125, 91, + 92, 124, 92, 92, 120, 92, 92, 121, 121, 121, + 121, 121, 121, 121, 121, 147, 147, 147, 147, 147, + 147, 147, 147, 119, 118, 117, 116, 115, 47, 114, + 110, 113, 111, 108, 107, 106, 48, 105, 104, 89, + 103, 102, 101, 99, 98, 97, 96, 95, 94, 79, + 77, 90, 89, 88, 59, 87, 86, 59, 84, 83, + 80, 79, 77, 74, 160, 60, 59, 55, 37, 160, + 33, 25, 26, 25, 11, 160, 160, 160, 160, 160, + + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160 } ; -static yyconst flex_int16_t yy_chk[281] = +static yyconst flex_int16_t yy_chk[441] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 5, 5, 5, 5, 91, 5, 9, - 9, 9, 5, 5, 5, 5, 5, 7, 7, 7, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 4, 9, 9, 9, 10, + 50, 4, 5, 5, 5, 5, 10, 10, 10, 50, + 5, 13, 13, 14, 14, 158, 5, 5, 5, 5, + 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, - 10, 10, 10, 13, 13, 14, 14, 15, 24, 28, - 24, 24, 25, 25, 25, 50, 24, 50, 25, 90, - - 15, 17, 28, 17, 26, 26, 26, 27, 27, 62, - 44, 87, 44, 44, 62, 17, 84, 17, 44, 17, - 21, 21, 21, 21, 21, 45, 45, 45, 86, 21, - 21, 21, 21, 83, 83, 83, 85, 85, 85, 88, - 82, 86, 81, 78, 77, 76, 75, 74, 73, 72, - 71, 70, 88, 94, 94, 94, 94, 94, 94, 94, - 94, 95, 95, 95, 96, 96, 96, 96, 97, 69, - 97, 98, 68, 98, 67, 98, 98, 99, 66, 99, - 99, 99, 99, 100, 64, 100, 100, 101, 101, 101, - 101, 101, 101, 101, 101, 102, 102, 102, 102, 102, - - 102, 102, 102, 103, 63, 103, 104, 104, 104, 61, - 104, 104, 105, 105, 105, 105, 105, 105, 105, 105, - 60, 59, 58, 56, 55, 54, 53, 52, 51, 49, - 42, 40, 38, 37, 36, 35, 34, 33, 32, 30, - 19, 18, 16, 11, 4, 3, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 93, 93, 93, 93, 93, 93 + 7, 7, 7, 7, 7, 7, 16, 17, 18, 19, + 20, 20, 19, 22, 22, 25, 25, 26, 31, 44, + 26, 31, 31, 31, 38, 18, 16, 19, 31, 19, + 157, 19, 112, 19, 156, 26, 44, 26, 130, 26, + 130, 26, 155, 17, 38, 25, 28, 28, 28, 28, + 33, 33, 112, 28, 46, 34, 34, 34, 36, 36, + 28, 28, 28, 28, 34, 34, 34, 35, 35, 35, + 75, 46, 61, 61, 98, 77, 35, 35, 77, 98, + 33, 91, 91, 61, 61, 61, 67, 75, 152, 67, + + 67, 67, 69, 69, 69, 121, 67, 85, 85, 113, + 113, 69, 69, 100, 100, 143, 100, 151, 85, 85, + 85, 114, 114, 122, 122, 121, 129, 129, 135, 135, + 135, 138, 138, 147, 138, 143, 150, 129, 129, 129, + 142, 142, 149, 142, 146, 145, 144, 141, 140, 139, + 137, 136, 134, 147, 161, 161, 161, 161, 161, 161, + 161, 161, 162, 133, 128, 127, 162, 162, 163, 163, + 163, 163, 163, 163, 163, 163, 164, 164, 164, 164, + 165, 126, 165, 166, 125, 124, 166, 123, 166, 166, + 167, 120, 119, 167, 167, 167, 167, 168, 118, 168, + + 168, 169, 169, 169, 169, 169, 169, 169, 169, 170, + 170, 170, 170, 170, 170, 170, 170, 171, 117, 171, + 172, 116, 172, 172, 111, 172, 172, 173, 173, 173, + 173, 173, 173, 173, 173, 174, 174, 174, 174, 174, + 174, 174, 174, 110, 109, 108, 107, 106, 105, 103, + 102, 101, 99, 97, 96, 95, 94, 93, 92, 90, + 88, 87, 86, 84, 83, 82, 81, 80, 79, 78, + 76, 71, 70, 68, 65, 63, 62, 58, 52, 51, + 49, 48, 47, 43, 40, 24, 23, 21, 15, 11, + 8, 6, 3, 2, 160, 160, 160, 160, 160, 160, + + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, 160, 160 } ; static yy_state_type yy_last_accepting_state; @@ -540,6 +607,7 @@ int yy_flex_debug = 0; #define YY_MORE_ADJ 0 #define YY_RESTORE_YY_MORE_OFFSET char *yytext; +#line 1 "dtc-lexer.l" /* * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. * @@ -561,6 +629,10 @@ char *yytext; */ #define YY_NO_INPUT 1 + + + +#line 38 "dtc-lexer.l" #include "dtc.h" #include "srcpos.h" #include "dtc-parser.tab.h" @@ -588,6 +660,7 @@ static int dts_version = 1; static void push_input_file(const char *filename); static int pop_input_file(void); +#line 664 "dtc-lexer.lex.c" #define INITIAL 0 #define INCLUDE 1 @@ -670,7 +743,12 @@ static int input (void ); /* Amount of stuff to slurp up with each read. */ #ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else #define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ #endif /* Copy whatever the last rule matched to the standard output. */ @@ -689,7 +767,7 @@ static int input (void ); if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ { \ int c = '*'; \ - unsigned n; \ + size_t n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ @@ -761,6 +839,9 @@ extern int yylex (void); #endif #define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ YY_USER_ACTION /** The main scanner function which does all the work. @@ -771,6 +852,10 @@ YY_DECL register char *yy_cp, *yy_bp; register int yy_act; +#line 67 "dtc-lexer.l" + +#line 858 "dtc-lexer.lex.c" + if ( !(yy_init) ) { (yy_init) = 1; @@ -810,6 +895,7 @@ YY_DECL yy_bp = yy_cp; yy_current_state = (yy_start); + yy_current_state += YY_AT_BOL(); yy_match: do { @@ -822,13 +908,13 @@ yy_match: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 94 ) + if ( yy_current_state >= 161 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; ++yy_cp; } - while ( yy_current_state != 93 ); + while ( yy_current_state != 160 ); yy_cp = (yy_last_accepting_cpos); yy_current_state = (yy_last_accepting_state); @@ -851,26 +937,54 @@ do_action: /* This label is used only to access EOF actions. */ case 1: /* rule 1 can match eol */ YY_RULE_SETUP +#line 68 "dtc-lexer.l" { char *name = strchr(yytext, '\"') + 1; yytext[yyleng-1] = '\0'; push_input_file(name); } YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +#line 74 "dtc-lexer.l" +{ + char *line, *tmp, *fn; + /* skip text before line # */ + line = yytext; + while (!isdigit(*line)) + line++; + /* skip digits in line # */ + tmp = line; + while (!isspace(*tmp)) + tmp++; + /* "NULL"-terminate line # */ + *tmp = '\0'; + /* start of filename */ + fn = strchr(tmp + 1, '"') + 1; + /* strip trailing " from filename */ + tmp = strchr(fn, '"'); + *tmp = 0; + /* -1 since #line is the number of the next line */ + srcpos_set_line(xstrdup(fn), atoi(line) - 1); + } + YY_BREAK case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(INCLUDE): case YY_STATE_EOF(BYTESTRING): case YY_STATE_EOF(PROPNODENAME): case YY_STATE_EOF(V1): +#line 95 "dtc-lexer.l" { if (!pop_input_file()) { yyterminate(); } } YY_BREAK -case 2: -/* rule 2 can match eol */ +case 3: +/* rule 3 can match eol */ YY_RULE_SETUP +#line 101 "dtc-lexer.l" { DPRINT("String: %s\n", yytext); yylval.data = data_copy_escape_string(yytext+1, @@ -878,8 +992,9 @@ YY_RULE_SETUP return DT_STRING; } YY_BREAK -case 3: +case 4: YY_RULE_SETUP +#line 108 "dtc-lexer.l" { DPRINT("Keyword: /dts-v1/\n"); dts_version = 1; @@ -887,16 +1002,47 @@ YY_RULE_SETUP return DT_V1; } YY_BREAK -case 4: +case 5: YY_RULE_SETUP +#line 115 "dtc-lexer.l" { DPRINT("Keyword: /memreserve/\n"); BEGIN_DEFAULT(); return DT_MEMRESERVE; } YY_BREAK -case 5: +case 6: +YY_RULE_SETUP +#line 121 "dtc-lexer.l" +{ + DPRINT("Keyword: /bits/\n"); + BEGIN_DEFAULT(); + return DT_BITS; + } + YY_BREAK +case 7: YY_RULE_SETUP +#line 127 "dtc-lexer.l" +{ + DPRINT("Keyword: /delete-property/\n"); + DPRINT("<PROPNODENAME>\n"); + BEGIN(PROPNODENAME); + return DT_DEL_PROP; + } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 134 "dtc-lexer.l" +{ + DPRINT("Keyword: /delete-node/\n"); + DPRINT("<PROPNODENAME>\n"); + BEGIN(PROPNODENAME); + return DT_DEL_NODE; + } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 141 "dtc-lexer.l" { DPRINT("Label: %s\n", yytext); yylval.labelref = xstrdup(yytext); @@ -904,24 +1050,38 @@ YY_RULE_SETUP return DT_LABEL; } YY_BREAK -case 6: +case 10: YY_RULE_SETUP +#line 148 "dtc-lexer.l" { yylval.literal = xstrdup(yytext); DPRINT("Literal: '%s'\n", yylval.literal); return DT_LITERAL; } YY_BREAK -case 7: +case 11: +/* rule 11 can match eol */ +YY_RULE_SETUP +#line 154 "dtc-lexer.l" +{ + yytext[yyleng-1] = '\0'; + yylval.literal = xstrdup(yytext+1); + DPRINT("Character literal: %s\n", yylval.literal); + return DT_CHAR_LITERAL; + } + YY_BREAK +case 12: YY_RULE_SETUP +#line 161 "dtc-lexer.l" { /* label reference */ DPRINT("Ref: %s\n", yytext+1); yylval.labelref = xstrdup(yytext+1); return DT_REF; } YY_BREAK -case 8: +case 13: YY_RULE_SETUP +#line 167 "dtc-lexer.l" { /* new-style path reference */ yytext[yyleng-1] = '\0'; DPRINT("Ref: %s\n", yytext+2); @@ -929,55 +1089,104 @@ YY_RULE_SETUP return DT_REF; } YY_BREAK -case 9: +case 14: YY_RULE_SETUP +#line 174 "dtc-lexer.l" { yylval.byte = strtol(yytext, NULL, 16); DPRINT("Byte: %02x\n", (int)yylval.byte); return DT_BYTE; } YY_BREAK -case 10: +case 15: YY_RULE_SETUP +#line 180 "dtc-lexer.l" { DPRINT("/BYTESTRING\n"); BEGIN_DEFAULT(); return ']'; } YY_BREAK -case 11: +case 16: YY_RULE_SETUP +#line 186 "dtc-lexer.l" { DPRINT("PropNodeName: %s\n", yytext); - yylval.propnodename = xstrdup(yytext); + yylval.propnodename = xstrdup((yytext[0] == '\\') ? + yytext + 1 : yytext); BEGIN_DEFAULT(); return DT_PROPNODENAME; } YY_BREAK -case 12: +case 17: YY_RULE_SETUP +#line 194 "dtc-lexer.l" { DPRINT("Binary Include\n"); return DT_INCBIN; } YY_BREAK -case 13: -/* rule 13 can match eol */ +case 18: +/* rule 18 can match eol */ YY_RULE_SETUP +#line 199 "dtc-lexer.l" /* eat whitespace */ YY_BREAK -case 14: -/* rule 14 can match eol */ +case 19: +/* rule 19 can match eol */ YY_RULE_SETUP +#line 200 "dtc-lexer.l" /* eat C-style comments */ YY_BREAK -case 15: -/* rule 15 can match eol */ +case 20: +/* rule 20 can match eol */ YY_RULE_SETUP +#line 201 "dtc-lexer.l" /* eat C++-style comments */ YY_BREAK -case 16: +case 21: YY_RULE_SETUP +#line 203 "dtc-lexer.l" +{ return DT_LSHIFT; }; + YY_BREAK +case 22: +YY_RULE_SETUP +#line 204 "dtc-lexer.l" +{ return DT_RSHIFT; }; + YY_BREAK +case 23: +YY_RULE_SETUP +#line 205 "dtc-lexer.l" +{ return DT_LE; }; + YY_BREAK +case 24: +YY_RULE_SETUP +#line 206 "dtc-lexer.l" +{ return DT_GE; }; + YY_BREAK +case 25: +YY_RULE_SETUP +#line 207 "dtc-lexer.l" +{ return DT_EQ; }; + YY_BREAK +case 26: +YY_RULE_SETUP +#line 208 "dtc-lexer.l" +{ return DT_NE; }; + YY_BREAK +case 27: +YY_RULE_SETUP +#line 209 "dtc-lexer.l" +{ return DT_AND; }; + YY_BREAK +case 28: +YY_RULE_SETUP +#line 210 "dtc-lexer.l" +{ return DT_OR; }; + YY_BREAK +case 29: +YY_RULE_SETUP +#line 212 "dtc-lexer.l" { DPRINT("Char: %c (\\x%02x)\n", yytext[0], (unsigned)yytext[0]); @@ -993,10 +1202,12 @@ YY_RULE_SETUP return yytext[0]; } YY_BREAK -case 17: +case 30: YY_RULE_SETUP +#line 227 "dtc-lexer.l" ECHO; YY_BREAK +#line 1211 "dtc-lexer.lex.c" case YY_END_OF_BUFFER: { @@ -1275,6 +1486,7 @@ static int yy_get_next_buffer (void) register char *yy_cp; yy_current_state = (yy_start); + yy_current_state += YY_AT_BOL(); for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) { @@ -1287,7 +1499,7 @@ static int yy_get_next_buffer (void) while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 94 ) + if ( yy_current_state >= 161 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; @@ -1315,11 +1527,11 @@ static int yy_get_next_buffer (void) while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 94 ) + if ( yy_current_state >= 161 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 93); + yy_is_jam = (yy_current_state == 160); return yy_is_jam ? 0 : yy_current_state; } @@ -1394,6 +1606,8 @@ static int yy_get_next_buffer (void) *(yy_c_buf_p) = '\0'; /* preserve yytext */ (yy_hold_char) = *++(yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + return c; } #endif /* ifndef YY_NO_INPUT */ @@ -1712,8 +1926,8 @@ YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) /** Setup the input buffer state to scan the given bytes. The next call to yylex() will * scan from a @e copy of @a bytes. - * @param bytes the byte buffer to scan - * @param len the number of bytes in the buffer pointed to by @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. * * @return the newly allocated buffer state object. */ @@ -1952,6 +2166,10 @@ void yyfree (void * ptr ) #define YYTABLES_NAME "yytables" +#line 227 "dtc-lexer.l" + + + static void push_input_file(const char *filename) { assert(filename); @@ -1963,6 +2181,7 @@ static void push_input_file(const char *filename) yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE)); } + static int pop_input_file(void) { if (srcfile_pop() == 0) diff --git a/scripts/dtc/dtc-parser.tab.c_shipped b/scripts/dtc/dtc-parser.tab.c_shipped index b05921e1e848..4af55900a15b 100644 --- a/scripts/dtc/dtc-parser.tab.c_shipped +++ b/scripts/dtc/dtc-parser.tab.c_shipped @@ -1,9 +1,10 @@ -/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* A Bison parser, made by GNU Bison 2.4.1. */ /* Skeleton implementation for Bison's Yacc-like parsers in C - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, - 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -45,7 +46,7 @@ #define YYBISON 1 /* Bison version. */ -#define YYBISON_VERSION "2.4.3" +#define YYBISON_VERSION "2.4.1" /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" @@ -66,6 +67,8 @@ /* Copy the first part of user declarations. */ +/* Line 189 of yacc.c */ +#line 21 "dtc-parser.y" #include <stdio.h> @@ -82,12 +85,15 @@ extern struct boot_info *the_boot_info; extern int treesource_error; static unsigned long long eval_literal(const char *s, int base, int bits); +static unsigned char eval_char_literal(const char *s); +/* Line 189 of yacc.c */ +#line 93 "dtc-parser.tab.c" /* Enabling traces. */ #ifndef YYDEBUG -# define YYDEBUG 1 +# define YYDEBUG 0 #endif /* Enabling verbose error messages. */ @@ -112,14 +118,26 @@ static unsigned long long eval_literal(const char *s, int base, int bits); enum yytokentype { DT_V1 = 258, DT_MEMRESERVE = 259, - DT_PROPNODENAME = 260, - DT_LITERAL = 261, - DT_BASE = 262, - DT_BYTE = 263, - DT_STRING = 264, - DT_LABEL = 265, - DT_REF = 266, - DT_INCBIN = 267 + DT_LSHIFT = 260, + DT_RSHIFT = 261, + DT_LE = 262, + DT_GE = 263, + DT_EQ = 264, + DT_NE = 265, + DT_AND = 266, + DT_OR = 267, + DT_BITS = 268, + DT_DEL_PROP = 269, + DT_DEL_NODE = 270, + DT_PROPNODENAME = 271, + DT_LITERAL = 272, + DT_CHAR_LITERAL = 273, + DT_BASE = 274, + DT_BYTE = 275, + DT_STRING = 276, + DT_LABEL = 277, + DT_REF = 278, + DT_INCBIN = 279 }; #endif @@ -129,6 +147,8 @@ static unsigned long long eval_literal(const char *s, int base, int bits); typedef union YYSTYPE { +/* Line 214 of yacc.c */ +#line 40 "dtc-parser.y" char *propnodename; char *literal; @@ -137,16 +157,22 @@ typedef union YYSTYPE uint8_t byte; struct data data; - uint64_t addr; - cell_t cell; + struct { + struct data data; + int bits; + } array; + struct property *prop; struct property *proplist; struct node *node; struct node *nodelist; struct reserve_info *re; + uint64_t integer; +/* Line 214 of yacc.c */ +#line 176 "dtc-parser.tab.c" } YYSTYPE; # define YYSTYPE_IS_TRIVIAL 1 # define yystype YYSTYPE /* obsolescent; will be withdrawn */ @@ -157,6 +183,8 @@ typedef union YYSTYPE /* Copy the second part of user declarations. */ +/* Line 264 of yacc.c */ +#line 188 "dtc-parser.tab.c" #ifdef short # undef short @@ -206,7 +234,7 @@ typedef short int yytype_int16; #define YYSIZE_MAXIMUM ((YYSIZE_T) -1) #ifndef YY_ -# if defined YYENABLE_NLS && YYENABLE_NLS +# if YYENABLE_NLS # if ENABLE_NLS # include <libintl.h> /* INFRINGES ON USER NAME SPACE */ # define YY_(msgid) dgettext ("bison-runtime", msgid) @@ -371,20 +399,20 @@ union yyalloc /* YYFINAL -- State number of the termination state. */ #define YYFINAL 4 /* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 56 +#define YYLAST 133 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 25 +#define YYNTOKENS 48 /* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 16 +#define YYNNTS 28 /* YYNRULES -- Number of rules. */ -#define YYNRULES 39 +#define YYNRULES 79 /* YYNRULES -- Number of states. */ -#define YYNSTATES 67 +#define YYNSTATES 141 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 267 +#define YYMAXUTOK 279 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) @@ -395,16 +423,16 @@ static const yytype_uint8 yytranslate[] = 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 22, 24, 2, 2, 23, 2, 2, 14, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 13, - 18, 17, 19, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 47, 2, 2, 2, 45, 41, 2, + 33, 35, 44, 42, 34, 43, 2, 26, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 38, 25, + 36, 29, 30, 37, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 20, 2, 21, 2, 2, 2, 2, 2, 2, + 2, 31, 2, 32, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 15, 2, 16, 2, 2, 2, 2, + 2, 2, 2, 27, 39, 28, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, @@ -418,45 +446,68 @@ static const yytype_uint8 yytranslate[] = 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12 + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 }; #if YYDEBUG /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in YYRHS. */ -static const yytype_uint8 yyprhs[] = +static const yytype_uint16 yyprhs[] = { - 0, 0, 3, 8, 9, 12, 17, 20, 22, 25, - 29, 33, 39, 40, 43, 48, 51, 54, 57, 62, - 67, 70, 80, 86, 89, 90, 93, 96, 97, 100, - 103, 106, 108, 109, 112, 115, 116, 119, 122, 125 + 0, 0, 3, 8, 9, 12, 17, 20, 23, 27, + 31, 36, 42, 43, 46, 51, 54, 58, 61, 64, + 68, 73, 76, 86, 92, 95, 96, 99, 102, 106, + 108, 111, 114, 117, 119, 121, 125, 127, 129, 135, + 137, 141, 143, 147, 149, 153, 155, 159, 161, 165, + 167, 171, 175, 177, 181, 185, 189, 193, 197, 201, + 203, 207, 211, 213, 217, 221, 225, 227, 229, 232, + 235, 238, 239, 242, 245, 246, 249, 252, 255, 259 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yytype_int8 yyrhs[] = { - 26, 0, -1, 3, 13, 27, 30, -1, -1, 28, - 27, -1, 4, 29, 29, 13, -1, 10, 28, -1, - 6, -1, 14, 31, -1, 30, 14, 31, -1, 30, - 11, 31, -1, 15, 32, 39, 16, 13, -1, -1, - 32, 33, -1, 5, 17, 34, 13, -1, 5, 13, - -1, 10, 33, -1, 35, 9, -1, 35, 18, 36, - 19, -1, 35, 20, 38, 21, -1, 35, 11, -1, - 35, 12, 22, 9, 23, 29, 23, 29, 24, -1, - 35, 12, 22, 9, 24, -1, 34, 10, -1, -1, - 34, 23, -1, 35, 10, -1, -1, 36, 37, -1, - 36, 11, -1, 36, 10, -1, 6, -1, -1, 38, - 8, -1, 38, 10, -1, -1, 40, 39, -1, 40, - 33, -1, 5, 31, -1, 10, 40, -1 + 49, 0, -1, 3, 25, 50, 52, -1, -1, 51, + 50, -1, 4, 59, 59, 25, -1, 22, 51, -1, + 26, 53, -1, 52, 26, 53, -1, 52, 23, 53, + -1, 52, 15, 23, 25, -1, 27, 54, 74, 28, + 25, -1, -1, 54, 55, -1, 16, 29, 56, 25, + -1, 16, 25, -1, 14, 16, 25, -1, 22, 55, + -1, 57, 21, -1, 57, 58, 30, -1, 57, 31, + 73, 32, -1, 57, 23, -1, 57, 24, 33, 21, + 34, 59, 34, 59, 35, -1, 57, 24, 33, 21, + 35, -1, 56, 22, -1, -1, 56, 34, -1, 57, + 22, -1, 13, 17, 36, -1, 36, -1, 58, 59, + -1, 58, 23, -1, 58, 22, -1, 17, -1, 18, + -1, 33, 60, 35, -1, 61, -1, 62, -1, 62, + 37, 60, 38, 61, -1, 63, -1, 62, 12, 63, + -1, 64, -1, 63, 11, 64, -1, 65, -1, 64, + 39, 65, -1, 66, -1, 65, 40, 66, -1, 67, + -1, 66, 41, 67, -1, 68, -1, 67, 9, 68, + -1, 67, 10, 68, -1, 69, -1, 68, 36, 69, + -1, 68, 30, 69, -1, 68, 7, 69, -1, 68, + 8, 69, -1, 69, 5, 70, -1, 69, 6, 70, + -1, 70, -1, 70, 42, 71, -1, 70, 43, 71, + -1, 71, -1, 71, 44, 72, -1, 71, 26, 72, + -1, 71, 45, 72, -1, 72, -1, 59, -1, 43, + 72, -1, 46, 72, -1, 47, 72, -1, -1, 73, + 20, -1, 73, 22, -1, -1, 75, 74, -1, 75, + 55, -1, 16, 53, -1, 15, 16, 25, -1, 22, + 75, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const yytype_uint16 yyrline[] = { - 0, 86, 86, 95, 98, 105, 109, 117, 124, 128, - 132, 145, 153, 156, 163, 167, 171, 179, 183, 187, - 191, 195, 212, 222, 230, 233, 237, 245, 248, 252, - 257, 264, 272, 275, 279, 287, 290, 294, 302, 306 + 0, 109, 109, 118, 121, 128, 132, 140, 144, 148, + 158, 172, 180, 183, 190, 194, 198, 202, 210, 214, + 218, 222, 226, 243, 253, 261, 264, 268, 275, 290, + 295, 315, 329, 336, 340, 344, 351, 355, 356, 360, + 361, 365, 366, 370, 371, 375, 376, 380, 381, 385, + 386, 387, 391, 392, 393, 394, 395, 399, 400, 401, + 405, 406, 407, 411, 412, 413, 414, 418, 419, 420, + 421, 426, 429, 433, 441, 444, 448, 456, 460, 464 }; #endif @@ -465,13 +516,19 @@ static const yytype_uint16 yyrline[] = First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "$end", "error", "$undefined", "DT_V1", "DT_MEMRESERVE", - "DT_PROPNODENAME", "DT_LITERAL", "DT_BASE", "DT_BYTE", "DT_STRING", - "DT_LABEL", "DT_REF", "DT_INCBIN", "';'", "'/'", "'{'", "'}'", "'='", - "'<'", "'>'", "'['", "']'", "'('", "','", "')'", "$accept", "sourcefile", - "memreserves", "memreserve", "addr", "devicetree", "nodedef", "proplist", - "propdef", "propdata", "propdataprefix", "celllist", "cellval", - "bytestring", "subnodes", "subnode", 0 + "$end", "error", "$undefined", "DT_V1", "DT_MEMRESERVE", "DT_LSHIFT", + "DT_RSHIFT", "DT_LE", "DT_GE", "DT_EQ", "DT_NE", "DT_AND", "DT_OR", + "DT_BITS", "DT_DEL_PROP", "DT_DEL_NODE", "DT_PROPNODENAME", "DT_LITERAL", + "DT_CHAR_LITERAL", "DT_BASE", "DT_BYTE", "DT_STRING", "DT_LABEL", + "DT_REF", "DT_INCBIN", "';'", "'/'", "'{'", "'}'", "'='", "'>'", "'['", + "']'", "'('", "','", "')'", "'<'", "'?'", "':'", "'|'", "'^'", "'&'", + "'+'", "'-'", "'*'", "'%'", "'~'", "'!'", "$accept", "sourcefile", + "memreserves", "memreserve", "devicetree", "nodedef", "proplist", + "propdef", "propdata", "propdataprefix", "arrayprefix", "integer_prim", + "integer_expr", "integer_trinary", "integer_or", "integer_and", + "integer_bitor", "integer_bitxor", "integer_bitand", "integer_eq", + "integer_rela", "integer_shift", "integer_add", "integer_mul", + "integer_unary", "bytestring", "subnodes", "subnode", 0 }; #endif @@ -481,27 +538,37 @@ static const char *const yytname[] = static const yytype_uint16 yytoknum[] = { 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, - 265, 266, 267, 59, 47, 123, 125, 61, 60, 62, - 91, 93, 40, 44, 41 + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 59, 47, 123, 125, 61, + 62, 91, 93, 40, 44, 41, 60, 63, 58, 124, + 94, 38, 43, 45, 42, 37, 126, 33 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const yytype_uint8 yyr1[] = { - 0, 25, 26, 27, 27, 28, 28, 29, 30, 30, - 30, 31, 32, 32, 33, 33, 33, 34, 34, 34, - 34, 34, 34, 34, 35, 35, 35, 36, 36, 36, - 36, 37, 38, 38, 38, 39, 39, 39, 40, 40 + 0, 48, 49, 50, 50, 51, 51, 52, 52, 52, + 52, 53, 54, 54, 55, 55, 55, 55, 56, 56, + 56, 56, 56, 56, 56, 57, 57, 57, 58, 58, + 58, 58, 58, 59, 59, 59, 60, 61, 61, 62, + 62, 63, 63, 64, 64, 65, 65, 66, 66, 67, + 67, 67, 68, 68, 68, 68, 68, 69, 69, 69, + 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, + 72, 73, 73, 73, 74, 74, 74, 75, 75, 75 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const yytype_uint8 yyr2[] = { - 0, 2, 4, 0, 2, 4, 2, 1, 2, 3, - 3, 5, 0, 2, 4, 2, 2, 2, 4, 4, - 2, 9, 5, 2, 0, 2, 2, 0, 2, 2, - 2, 1, 0, 2, 2, 0, 2, 2, 2, 2 + 0, 2, 4, 0, 2, 4, 2, 2, 3, 3, + 4, 5, 0, 2, 4, 2, 3, 2, 2, 3, + 4, 2, 9, 5, 2, 0, 2, 2, 3, 1, + 2, 2, 2, 1, 1, 3, 1, 1, 5, 1, + 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, + 3, 3, 1, 3, 3, 3, 3, 3, 3, 1, + 3, 3, 1, 3, 3, 3, 1, 1, 2, 2, + 2, 0, 2, 2, 0, 2, 2, 2, 3, 2 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state @@ -509,41 +576,59 @@ static const yytype_uint8 yyr2[] = means the default is an error. */ static const yytype_uint8 yydefact[] = { - 0, 0, 0, 3, 1, 0, 0, 0, 3, 7, - 0, 6, 0, 2, 4, 0, 12, 8, 0, 0, - 5, 35, 10, 9, 0, 0, 13, 0, 35, 15, - 24, 38, 16, 39, 0, 37, 36, 0, 0, 11, - 23, 14, 25, 17, 26, 20, 0, 27, 32, 0, - 0, 0, 0, 31, 30, 29, 18, 28, 33, 34, - 19, 0, 22, 0, 0, 0, 21 + 0, 0, 0, 3, 1, 0, 0, 0, 3, 33, + 34, 0, 0, 6, 0, 2, 4, 0, 0, 0, + 67, 0, 36, 37, 39, 41, 43, 45, 47, 49, + 52, 59, 62, 66, 0, 12, 7, 0, 0, 0, + 68, 69, 70, 35, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 5, 74, 0, 9, 8, 40, 0, + 42, 44, 46, 48, 50, 51, 55, 56, 54, 53, + 57, 58, 60, 61, 64, 63, 65, 0, 0, 0, + 0, 13, 0, 74, 10, 0, 0, 0, 15, 25, + 77, 17, 79, 0, 76, 75, 38, 16, 78, 0, + 0, 11, 24, 14, 26, 0, 18, 27, 21, 0, + 71, 29, 0, 0, 0, 0, 32, 31, 19, 30, + 28, 0, 72, 73, 20, 0, 23, 0, 0, 0, + 22 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yytype_int8 yydefgoto[] = { - -1, 2, 7, 8, 10, 13, 17, 21, 26, 37, - 38, 50, 57, 51, 27, 28 + -1, 2, 7, 8, 15, 36, 64, 91, 109, 110, + 122, 20, 21, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 125, 92, 93 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ -#define YYPACT_NINF -12 +#define YYPACT_NINF -78 static const yytype_int8 yypact[] = { - 10, -11, 18, -1, -12, 22, -1, 15, -1, -12, - 22, -12, 20, 1, -12, 17, -12, -12, 20, 20, - -12, 6, -12, -12, 21, 6, -12, 23, 6, -12, - -12, -12, -12, -12, 28, -12, -12, -6, 13, -12, - -12, -12, -12, -12, -12, -12, 24, -12, -12, 33, - -5, 0, -4, -12, -12, -12, -12, -12, -12, -12, - -12, 22, -12, 25, 22, 19, -12 + 22, 11, 51, 10, -78, 23, 10, 2, 10, -78, + -78, -9, 23, -78, 30, 38, -78, -9, -9, -9, + -78, 35, -78, -6, 52, 29, 48, 49, 33, 3, + 71, 36, 0, -78, 64, -78, -78, 68, 30, 30, + -78, -78, -78, -78, -9, -9, -9, -9, -9, -9, + -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, + -9, -9, -9, -78, 44, 67, -78, -78, 52, 55, + 29, 48, 49, 33, 3, 3, 71, 71, 71, 71, + 36, 36, 0, 0, -78, -78, -78, 78, 79, 42, + 44, -78, 69, 44, -78, -9, 73, 74, -78, -78, + -78, -78, -78, 75, -78, -78, -78, -78, -78, -7, + -1, -78, -78, -78, -78, 84, -78, -78, -78, 63, + -78, -78, 32, 66, 82, -3, -78, -78, -78, -78, + -78, 46, -78, -78, -78, 23, -78, 70, 23, 72, + -78 }; /* YYPGOTO[NTERM-NUM]. */ static const yytype_int8 yypgoto[] = { - -12, -12, 36, 39, -10, -12, 8, -12, 12, -12, - -12, -12, -12, -12, 27, 31 + -78, -78, 97, 100, -78, -37, -78, -77, -78, -78, + -78, -5, 65, 13, -78, 76, 77, 62, 80, 83, + 34, 20, 26, 28, -14, -78, 18, 24 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If @@ -553,35 +638,59 @@ static const yytype_int8 yypgoto[] = #define YYTABLE_NINF -1 static const yytype_uint8 yytable[] = { - 15, 53, 3, 5, 40, 54, 55, 41, 58, 6, - 59, 24, 18, 1, 56, 19, 25, 42, 4, 61, - 62, 60, 43, 44, 45, 46, 22, 23, 9, 12, - 20, 47, 31, 48, 29, 16, 16, 32, 30, 34, - 35, 39, 52, 66, 14, 11, 49, 0, 64, 0, - 0, 63, 0, 0, 65, 36, 33 + 12, 66, 67, 40, 41, 42, 44, 34, 9, 10, + 52, 53, 115, 101, 5, 112, 104, 132, 113, 133, + 116, 117, 118, 119, 11, 1, 60, 114, 14, 134, + 120, 45, 6, 54, 17, 121, 3, 18, 19, 55, + 9, 10, 50, 51, 61, 62, 84, 85, 86, 9, + 10, 4, 100, 37, 126, 127, 11, 35, 87, 88, + 89, 38, 128, 46, 39, 11, 90, 98, 47, 35, + 43, 99, 76, 77, 78, 79, 56, 57, 58, 59, + 135, 136, 80, 81, 74, 75, 82, 83, 48, 63, + 49, 65, 94, 95, 96, 97, 124, 103, 107, 108, + 111, 123, 130, 131, 138, 16, 13, 140, 106, 71, + 69, 105, 0, 0, 102, 0, 0, 129, 0, 0, + 68, 0, 0, 70, 0, 0, 0, 0, 72, 0, + 137, 0, 73, 139 }; -static const yytype_int8 yycheck[] = +static const yytype_int16 yycheck[] = { - 10, 6, 13, 4, 10, 10, 11, 13, 8, 10, - 10, 5, 11, 3, 19, 14, 10, 23, 0, 23, - 24, 21, 9, 10, 11, 12, 18, 19, 6, 14, - 13, 18, 24, 20, 13, 15, 15, 25, 17, 16, - 28, 13, 9, 24, 8, 6, 22, -1, 23, -1, - -1, 61, -1, -1, 64, 28, 25 + 5, 38, 39, 17, 18, 19, 12, 12, 17, 18, + 7, 8, 13, 90, 4, 22, 93, 20, 25, 22, + 21, 22, 23, 24, 33, 3, 26, 34, 26, 32, + 31, 37, 22, 30, 43, 36, 25, 46, 47, 36, + 17, 18, 9, 10, 44, 45, 60, 61, 62, 17, + 18, 0, 89, 15, 22, 23, 33, 27, 14, 15, + 16, 23, 30, 11, 26, 33, 22, 25, 39, 27, + 35, 29, 52, 53, 54, 55, 5, 6, 42, 43, + 34, 35, 56, 57, 50, 51, 58, 59, 40, 25, + 41, 23, 25, 38, 16, 16, 33, 28, 25, 25, + 25, 17, 36, 21, 34, 8, 6, 35, 95, 47, + 45, 93, -1, -1, 90, -1, -1, 122, -1, -1, + 44, -1, -1, 46, -1, -1, -1, -1, 48, -1, + 135, -1, 49, 138 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const yytype_uint8 yystos[] = { - 0, 3, 26, 13, 0, 4, 10, 27, 28, 6, - 29, 28, 14, 30, 27, 29, 15, 31, 11, 14, - 13, 32, 31, 31, 5, 10, 33, 39, 40, 13, - 17, 31, 33, 40, 16, 33, 39, 34, 35, 13, - 10, 13, 23, 9, 10, 11, 12, 18, 20, 22, - 36, 38, 9, 6, 10, 11, 19, 37, 8, 10, - 21, 23, 24, 29, 23, 29, 24 + 0, 3, 49, 25, 0, 4, 22, 50, 51, 17, + 18, 33, 59, 51, 26, 52, 50, 43, 46, 47, + 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, + 69, 70, 71, 72, 59, 27, 53, 15, 23, 26, + 72, 72, 72, 35, 12, 37, 11, 39, 40, 41, + 9, 10, 7, 8, 30, 36, 5, 6, 42, 43, + 26, 44, 45, 25, 54, 23, 53, 53, 63, 60, + 64, 65, 66, 67, 68, 68, 69, 69, 69, 69, + 70, 70, 71, 71, 72, 72, 72, 14, 15, 16, + 22, 55, 74, 75, 25, 38, 16, 16, 25, 29, + 53, 55, 75, 28, 55, 74, 61, 25, 25, 56, + 57, 25, 22, 25, 34, 13, 21, 22, 23, 24, + 31, 36, 58, 17, 33, 73, 22, 23, 30, 59, + 36, 21, 20, 22, 32, 34, 35, 59, 34, 59, + 35 }; #define yyerrok (yyerrstatus = 0) @@ -596,18 +705,9 @@ static const yytype_uint8 yystos[] = /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. However, - YYFAIL appears to be in use. Nevertheless, it is formally deprecated - in Bison 2.4.2's NEWS entry, where a plan to phase it out is - discussed. */ + Once GCC version 2 has supplanted version 1, this can go. */ #define YYFAIL goto yyerrlab -#if defined YYFAIL - /* This is here to suppress warnings from the GCC cpp's - -Wunused-macros. Normally we don't worry about that warning, but - some users do, and we want to make it easy for users to remove - YYFAIL uses, which will produce warnings from Bison 2.5. */ -#endif #define YYRECOVERING() (!!yyerrstatus) @@ -664,7 +764,7 @@ while (YYID (0)) we won't break user code: when these are the locations we know. */ #ifndef YY_LOCATION_PRINT -# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# if YYLTYPE_IS_TRIVIAL # define YY_LOCATION_PRINT(File, Loc) \ fprintf (File, "%d.%d-%d.%d", \ (Loc).first_line, (Loc).first_column, \ @@ -1403,6 +1503,8 @@ yyreduce: { case 2: +/* Line 1455 of yacc.c */ +#line 110 "dtc-parser.y" { the_boot_info = build_boot_info((yyvsp[(3) - (4)].re), (yyvsp[(4) - (4)].node), guess_boot_cpuid((yyvsp[(4) - (4)].node))); @@ -1411,6 +1513,8 @@ yyreduce: case 3: +/* Line 1455 of yacc.c */ +#line 118 "dtc-parser.y" { (yyval.re) = NULL; ;} @@ -1418,6 +1522,8 @@ yyreduce: case 4: +/* Line 1455 of yacc.c */ +#line 122 "dtc-parser.y" { (yyval.re) = chain_reserve_entry((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].re)); ;} @@ -1425,13 +1531,17 @@ yyreduce: case 5: +/* Line 1455 of yacc.c */ +#line 129 "dtc-parser.y" { - (yyval.re) = build_reserve_entry((yyvsp[(2) - (4)].addr), (yyvsp[(3) - (4)].addr)); + (yyval.re) = build_reserve_entry((yyvsp[(2) - (4)].integer), (yyvsp[(3) - (4)].integer)); ;} break; case 6: +/* Line 1455 of yacc.c */ +#line 133 "dtc-parser.y" { add_label(&(yyvsp[(2) - (2)].re)->labels, (yyvsp[(1) - (2)].labelref)); (yyval.re) = (yyvsp[(2) - (2)].re); @@ -1440,40 +1550,57 @@ yyreduce: case 7: +/* Line 1455 of yacc.c */ +#line 141 "dtc-parser.y" { - (yyval.addr) = eval_literal((yyvsp[(1) - (1)].literal), 0, 64); + (yyval.node) = name_node((yyvsp[(2) - (2)].node), ""); ;} break; case 8: +/* Line 1455 of yacc.c */ +#line 145 "dtc-parser.y" { - (yyval.node) = name_node((yyvsp[(2) - (2)].node), ""); + (yyval.node) = merge_nodes((yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node)); ;} break; case 9: +/* Line 1455 of yacc.c */ +#line 149 "dtc-parser.y" { - (yyval.node) = merge_nodes((yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node)); + struct node *target = get_node_by_ref((yyvsp[(1) - (3)].node), (yyvsp[(2) - (3)].labelref)); + + if (target) + merge_nodes(target, (yyvsp[(3) - (3)].node)); + else + print_error("label or path, '%s', not found", (yyvsp[(2) - (3)].labelref)); + (yyval.node) = (yyvsp[(1) - (3)].node); ;} break; case 10: +/* Line 1455 of yacc.c */ +#line 159 "dtc-parser.y" { - struct node *target = get_node_by_ref((yyvsp[(1) - (3)].node), (yyvsp[(2) - (3)].labelref)); + struct node *target = get_node_by_ref((yyvsp[(1) - (4)].node), (yyvsp[(3) - (4)].labelref)); - if (target) - merge_nodes(target, (yyvsp[(3) - (3)].node)); + if (!target) + print_error("label or path, '%s', not found", (yyvsp[(3) - (4)].labelref)); else - print_error("label or path, '%s', not found", (yyvsp[(2) - (3)].labelref)); - (yyval.node) = (yyvsp[(1) - (3)].node); + delete_node(target); + + (yyval.node) = (yyvsp[(1) - (4)].node); ;} break; case 11: +/* Line 1455 of yacc.c */ +#line 173 "dtc-parser.y" { (yyval.node) = build_node((yyvsp[(2) - (5)].proplist), (yyvsp[(3) - (5)].nodelist)); ;} @@ -1481,6 +1608,8 @@ yyreduce: case 12: +/* Line 1455 of yacc.c */ +#line 180 "dtc-parser.y" { (yyval.proplist) = NULL; ;} @@ -1488,6 +1617,8 @@ yyreduce: case 13: +/* Line 1455 of yacc.c */ +#line 184 "dtc-parser.y" { (yyval.proplist) = chain_property((yyvsp[(2) - (2)].prop), (yyvsp[(1) - (2)].proplist)); ;} @@ -1495,6 +1626,8 @@ yyreduce: case 14: +/* Line 1455 of yacc.c */ +#line 191 "dtc-parser.y" { (yyval.prop) = build_property((yyvsp[(1) - (4)].propnodename), (yyvsp[(3) - (4)].data)); ;} @@ -1502,6 +1635,8 @@ yyreduce: case 15: +/* Line 1455 of yacc.c */ +#line 195 "dtc-parser.y" { (yyval.prop) = build_property((yyvsp[(1) - (2)].propnodename), empty_data); ;} @@ -1509,62 +1644,85 @@ yyreduce: case 16: +/* Line 1455 of yacc.c */ +#line 199 "dtc-parser.y" { - add_label(&(yyvsp[(2) - (2)].prop)->labels, (yyvsp[(1) - (2)].labelref)); - (yyval.prop) = (yyvsp[(2) - (2)].prop); + (yyval.prop) = build_property_delete((yyvsp[(2) - (3)].propnodename)); ;} break; case 17: +/* Line 1455 of yacc.c */ +#line 203 "dtc-parser.y" { - (yyval.data) = data_merge((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].data)); + add_label(&(yyvsp[(2) - (2)].prop)->labels, (yyvsp[(1) - (2)].labelref)); + (yyval.prop) = (yyvsp[(2) - (2)].prop); ;} break; case 18: +/* Line 1455 of yacc.c */ +#line 211 "dtc-parser.y" { - (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data)); + (yyval.data) = data_merge((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].data)); ;} break; case 19: +/* Line 1455 of yacc.c */ +#line 215 "dtc-parser.y" { - (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data)); + (yyval.data) = data_merge((yyvsp[(1) - (3)].data), (yyvsp[(2) - (3)].array).data); ;} break; case 20: +/* Line 1455 of yacc.c */ +#line 219 "dtc-parser.y" { - (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), REF_PATH, (yyvsp[(2) - (2)].labelref)); + (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data)); ;} break; case 21: +/* Line 1455 of yacc.c */ +#line 223 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), REF_PATH, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 22: + +/* Line 1455 of yacc.c */ +#line 227 "dtc-parser.y" { FILE *f = srcfile_relative_open((yyvsp[(4) - (9)].data).val, NULL); struct data d; - if ((yyvsp[(6) - (9)].addr) != 0) - if (fseek(f, (yyvsp[(6) - (9)].addr), SEEK_SET) != 0) + if ((yyvsp[(6) - (9)].integer) != 0) + if (fseek(f, (yyvsp[(6) - (9)].integer), SEEK_SET) != 0) print_error("Couldn't seek to offset %llu in \"%s\": %s", - (unsigned long long)(yyvsp[(6) - (9)].addr), + (unsigned long long)(yyvsp[(6) - (9)].integer), (yyvsp[(4) - (9)].data).val, strerror(errno)); - d = data_copy_file(f, (yyvsp[(8) - (9)].addr)); + d = data_copy_file(f, (yyvsp[(8) - (9)].integer)); (yyval.data) = data_merge((yyvsp[(1) - (9)].data), d); fclose(f); ;} break; - case 22: + case 23: +/* Line 1455 of yacc.c */ +#line 244 "dtc-parser.y" { FILE *f = srcfile_relative_open((yyvsp[(4) - (5)].data).val, NULL); struct data d = empty_data; @@ -1576,122 +1734,383 @@ yyreduce: ;} break; - case 23: - - { - (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); - ;} - break; - case 24: +/* Line 1455 of yacc.c */ +#line 254 "dtc-parser.y" { - (yyval.data) = empty_data; + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); ;} break; case 25: +/* Line 1455 of yacc.c */ +#line 261 "dtc-parser.y" { - (yyval.data) = (yyvsp[(1) - (2)].data); + (yyval.data) = empty_data; ;} break; case 26: +/* Line 1455 of yacc.c */ +#line 265 "dtc-parser.y" { - (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + (yyval.data) = (yyvsp[(1) - (2)].data); ;} break; case 27: +/* Line 1455 of yacc.c */ +#line 269 "dtc-parser.y" { - (yyval.data) = empty_data; + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); ;} break; case 28: +/* Line 1455 of yacc.c */ +#line 276 "dtc-parser.y" { - (yyval.data) = data_append_cell((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].cell)); + (yyval.array).data = empty_data; + (yyval.array).bits = eval_literal((yyvsp[(2) - (3)].literal), 0, 7); + + if (((yyval.array).bits != 8) && + ((yyval.array).bits != 16) && + ((yyval.array).bits != 32) && + ((yyval.array).bits != 64)) + { + print_error("Only 8, 16, 32 and 64-bit elements" + " are currently supported"); + (yyval.array).bits = 32; + } ;} break; case 29: +/* Line 1455 of yacc.c */ +#line 291 "dtc-parser.y" { - (yyval.data) = data_append_cell(data_add_marker((yyvsp[(1) - (2)].data), REF_PHANDLE, - (yyvsp[(2) - (2)].labelref)), -1); + (yyval.array).data = empty_data; + (yyval.array).bits = 32; ;} break; case 30: +/* Line 1455 of yacc.c */ +#line 296 "dtc-parser.y" { - (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + if ((yyvsp[(1) - (2)].array).bits < 64) { + uint64_t mask = (1ULL << (yyvsp[(1) - (2)].array).bits) - 1; + /* + * Bits above mask must either be all zero + * (positive within range of mask) or all one + * (negative and sign-extended). The second + * condition is true if when we set all bits + * within the mask to one (i.e. | in the + * mask), all bits are one. + */ + if (((yyvsp[(2) - (2)].integer) > mask) && (((yyvsp[(2) - (2)].integer) | mask) != -1ULL)) + print_error( + "integer value out of range " + "%016lx (%d bits)", (yyvsp[(1) - (2)].array).bits); + } + + (yyval.array).data = data_append_integer((yyvsp[(1) - (2)].array).data, (yyvsp[(2) - (2)].integer), (yyvsp[(1) - (2)].array).bits); ;} break; case 31: +/* Line 1455 of yacc.c */ +#line 316 "dtc-parser.y" { - (yyval.cell) = eval_literal((yyvsp[(1) - (1)].literal), 0, 32); + uint64_t val = ~0ULL >> (64 - (yyvsp[(1) - (2)].array).bits); + + if ((yyvsp[(1) - (2)].array).bits == 32) + (yyvsp[(1) - (2)].array).data = data_add_marker((yyvsp[(1) - (2)].array).data, + REF_PHANDLE, + (yyvsp[(2) - (2)].labelref)); + else + print_error("References are only allowed in " + "arrays with 32-bit elements."); + + (yyval.array).data = data_append_integer((yyvsp[(1) - (2)].array).data, val, (yyvsp[(1) - (2)].array).bits); ;} break; case 32: +/* Line 1455 of yacc.c */ +#line 330 "dtc-parser.y" { - (yyval.data) = empty_data; + (yyval.array).data = data_add_marker((yyvsp[(1) - (2)].array).data, LABEL, (yyvsp[(2) - (2)].labelref)); ;} break; case 33: +/* Line 1455 of yacc.c */ +#line 337 "dtc-parser.y" { - (yyval.data) = data_append_byte((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].byte)); + (yyval.integer) = eval_literal((yyvsp[(1) - (1)].literal), 0, 64); ;} break; case 34: +/* Line 1455 of yacc.c */ +#line 341 "dtc-parser.y" { - (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + (yyval.integer) = eval_char_literal((yyvsp[(1) - (1)].literal)); ;} break; case 35: +/* Line 1455 of yacc.c */ +#line 345 "dtc-parser.y" + { + (yyval.integer) = (yyvsp[(2) - (3)].integer); + ;} + break; + + case 38: + +/* Line 1455 of yacc.c */ +#line 356 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (5)].integer) ? (yyvsp[(3) - (5)].integer) : (yyvsp[(5) - (5)].integer); ;} + break; + + case 40: + +/* Line 1455 of yacc.c */ +#line 361 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) || (yyvsp[(3) - (3)].integer); ;} + break; + + case 42: + +/* Line 1455 of yacc.c */ +#line 366 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) && (yyvsp[(3) - (3)].integer); ;} + break; + + case 44: + +/* Line 1455 of yacc.c */ +#line 371 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) | (yyvsp[(3) - (3)].integer); ;} + break; + + case 46: + +/* Line 1455 of yacc.c */ +#line 376 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) ^ (yyvsp[(3) - (3)].integer); ;} + break; + + case 48: + +/* Line 1455 of yacc.c */ +#line 381 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) & (yyvsp[(3) - (3)].integer); ;} + break; + + case 50: + +/* Line 1455 of yacc.c */ +#line 386 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) == (yyvsp[(3) - (3)].integer); ;} + break; + + case 51: + +/* Line 1455 of yacc.c */ +#line 387 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) != (yyvsp[(3) - (3)].integer); ;} + break; + + case 53: + +/* Line 1455 of yacc.c */ +#line 392 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) < (yyvsp[(3) - (3)].integer); ;} + break; + + case 54: + +/* Line 1455 of yacc.c */ +#line 393 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) > (yyvsp[(3) - (3)].integer); ;} + break; + + case 55: + +/* Line 1455 of yacc.c */ +#line 394 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) <= (yyvsp[(3) - (3)].integer); ;} + break; + + case 56: + +/* Line 1455 of yacc.c */ +#line 395 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) >= (yyvsp[(3) - (3)].integer); ;} + break; + + case 57: + +/* Line 1455 of yacc.c */ +#line 399 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) << (yyvsp[(3) - (3)].integer); ;} + break; + + case 58: + +/* Line 1455 of yacc.c */ +#line 400 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) >> (yyvsp[(3) - (3)].integer); ;} + break; + + case 60: + +/* Line 1455 of yacc.c */ +#line 405 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) + (yyvsp[(3) - (3)].integer); ;} + break; + + case 61: + +/* Line 1455 of yacc.c */ +#line 406 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) - (yyvsp[(3) - (3)].integer); ;} + break; + + case 63: + +/* Line 1455 of yacc.c */ +#line 411 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) * (yyvsp[(3) - (3)].integer); ;} + break; + + case 64: + +/* Line 1455 of yacc.c */ +#line 412 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) / (yyvsp[(3) - (3)].integer); ;} + break; + + case 65: + +/* Line 1455 of yacc.c */ +#line 413 "dtc-parser.y" + { (yyval.integer) = (yyvsp[(1) - (3)].integer) % (yyvsp[(3) - (3)].integer); ;} + break; + + case 68: + +/* Line 1455 of yacc.c */ +#line 419 "dtc-parser.y" + { (yyval.integer) = -(yyvsp[(2) - (2)].integer); ;} + break; + + case 69: + +/* Line 1455 of yacc.c */ +#line 420 "dtc-parser.y" + { (yyval.integer) = ~(yyvsp[(2) - (2)].integer); ;} + break; + + case 70: + +/* Line 1455 of yacc.c */ +#line 421 "dtc-parser.y" + { (yyval.integer) = !(yyvsp[(2) - (2)].integer); ;} + break; + + case 71: + +/* Line 1455 of yacc.c */ +#line 426 "dtc-parser.y" + { + (yyval.data) = empty_data; + ;} + break; + + case 72: + +/* Line 1455 of yacc.c */ +#line 430 "dtc-parser.y" + { + (yyval.data) = data_append_byte((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].byte)); + ;} + break; + + case 73: + +/* Line 1455 of yacc.c */ +#line 434 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 74: + +/* Line 1455 of yacc.c */ +#line 441 "dtc-parser.y" { (yyval.nodelist) = NULL; ;} break; - case 36: + case 75: +/* Line 1455 of yacc.c */ +#line 445 "dtc-parser.y" { (yyval.nodelist) = chain_node((yyvsp[(1) - (2)].node), (yyvsp[(2) - (2)].nodelist)); ;} break; - case 37: + case 76: +/* Line 1455 of yacc.c */ +#line 449 "dtc-parser.y" { print_error("syntax error: properties must precede subnodes"); YYERROR; ;} break; - case 38: + case 77: +/* Line 1455 of yacc.c */ +#line 457 "dtc-parser.y" { (yyval.node) = name_node((yyvsp[(2) - (2)].node), (yyvsp[(1) - (2)].propnodename)); ;} break; - case 39: + case 78: + +/* Line 1455 of yacc.c */ +#line 461 "dtc-parser.y" + { + (yyval.node) = name_node(build_node_delete(), (yyvsp[(2) - (3)].propnodename)); + ;} + break; + + case 79: +/* Line 1455 of yacc.c */ +#line 465 "dtc-parser.y" { add_label(&(yyvsp[(2) - (2)].node)->labels, (yyvsp[(1) - (2)].labelref)); (yyval.node) = (yyvsp[(2) - (2)].node); @@ -1700,6 +2119,8 @@ yyreduce: +/* Line 1455 of yacc.c */ +#line 2124 "dtc-parser.tab.c" default: break; } YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); @@ -1910,6 +2331,8 @@ yyreturn: +/* Line 1675 of yacc.c */ +#line 471 "dtc-parser.y" void print_error(char const *fmt, ...) @@ -1934,9 +2357,12 @@ static unsigned long long eval_literal(const char *s, int base, int bits) errno = 0; val = strtoull(s, &e, base); - if (*e) - print_error("bad characters in literal"); - else if ((errno == ERANGE) + if (*e) { + size_t uls = strspn(e, "UL"); + if (e[uls]) + print_error("bad characters in literal"); + } + if ((errno == ERANGE) || ((bits < 64) && (val >= (1ULL << bits)))) print_error("literal out of range"); else if (errno != 0) @@ -1944,3 +2370,29 @@ static unsigned long long eval_literal(const char *s, int base, int bits) return val; } +static unsigned char eval_char_literal(const char *s) +{ + int i = 1; + char c = s[0]; + + if (c == '\0') + { + print_error("empty character literal"); + return 0; + } + + /* + * If the first character in the character literal is a \ then process + * the remaining characters as an escape encoding. If the first + * character is neither an escape or a terminator it should be the only + * character in the literal and will be returned. + */ + if (c == '\\') + c = get_escape_char(s, &i); + + if (s[i] != '\0') + print_error("malformed character literal"); + + return c; +} + diff --git a/scripts/dtc/dtc-parser.tab.h_shipped b/scripts/dtc/dtc-parser.tab.h_shipped index 4ee682bb7d33..9d2dce41211f 100644 --- a/scripts/dtc/dtc-parser.tab.h_shipped +++ b/scripts/dtc/dtc-parser.tab.h_shipped @@ -1,9 +1,10 @@ -/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* A Bison parser, made by GNU Bison 2.4.1. */ /* Skeleton interface for Bison's Yacc-like parsers in C - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, - 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -40,14 +41,26 @@ enum yytokentype { DT_V1 = 258, DT_MEMRESERVE = 259, - DT_PROPNODENAME = 260, - DT_LITERAL = 261, - DT_BASE = 262, - DT_BYTE = 263, - DT_STRING = 264, - DT_LABEL = 265, - DT_REF = 266, - DT_INCBIN = 267 + DT_LSHIFT = 260, + DT_RSHIFT = 261, + DT_LE = 262, + DT_GE = 263, + DT_EQ = 264, + DT_NE = 265, + DT_AND = 266, + DT_OR = 267, + DT_BITS = 268, + DT_DEL_PROP = 269, + DT_DEL_NODE = 270, + DT_PROPNODENAME = 271, + DT_LITERAL = 272, + DT_CHAR_LITERAL = 273, + DT_BASE = 274, + DT_BYTE = 275, + DT_STRING = 276, + DT_LABEL = 277, + DT_REF = 278, + DT_INCBIN = 279 }; #endif @@ -57,6 +70,8 @@ typedef union YYSTYPE { +/* Line 1676 of yacc.c */ +#line 40 "dtc-parser.y" char *propnodename; char *literal; @@ -65,16 +80,22 @@ typedef union YYSTYPE uint8_t byte; struct data data; - uint64_t addr; - cell_t cell; + struct { + struct data data; + int bits; + } array; + struct property *prop; struct property *proplist; struct node *node; struct node *nodelist; struct reserve_info *re; + uint64_t integer; +/* Line 1676 of yacc.c */ +#line 99 "dtc-parser.tab.h" } YYSTYPE; # define YYSTYPE_IS_TRIVIAL 1 # define yystype YYSTYPE /* obsolescent; will be withdrawn */ diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y index 5e84a67fc1d2..f412460f94d7 100644 --- a/scripts/dtc/dtc-parser.y +++ b/scripts/dtc/dtc-parser.y @@ -34,6 +34,7 @@ extern struct boot_info *the_boot_info; extern int treesource_error; static unsigned long long eval_literal(const char *s, int base, int bits); +static unsigned char eval_char_literal(const char *s); %} %union { @@ -44,19 +45,28 @@ static unsigned long long eval_literal(const char *s, int base, int bits); uint8_t byte; struct data data; - uint64_t addr; - cell_t cell; + struct { + struct data data; + int bits; + } array; + struct property *prop; struct property *proplist; struct node *node; struct node *nodelist; struct reserve_info *re; + uint64_t integer; } %token DT_V1 %token DT_MEMRESERVE +%token DT_LSHIFT DT_RSHIFT DT_LE DT_GE DT_EQ DT_NE DT_AND DT_OR +%token DT_BITS +%token DT_DEL_PROP +%token DT_DEL_NODE %token <propnodename> DT_PROPNODENAME %token <literal> DT_LITERAL +%token <literal> DT_CHAR_LITERAL %token <cbase> DT_BASE %token <byte> DT_BYTE %token <data> DT_STRING @@ -68,9 +78,7 @@ static unsigned long long eval_literal(const char *s, int base, int bits); %type <data> propdataprefix %type <re> memreserve %type <re> memreserves -%type <addr> addr -%type <data> celllist -%type <cell> cellval +%type <array> arrayprefix %type <data> bytestring %type <prop> propdef %type <proplist> proplist @@ -80,6 +88,21 @@ static unsigned long long eval_literal(const char *s, int base, int bits); %type <node> subnode %type <nodelist> subnodes +%type <integer> integer_prim +%type <integer> integer_unary +%type <integer> integer_mul +%type <integer> integer_add +%type <integer> integer_shift +%type <integer> integer_rela +%type <integer> integer_eq +%type <integer> integer_bitand +%type <integer> integer_bitxor +%type <integer> integer_bitor +%type <integer> integer_and +%type <integer> integer_or +%type <integer> integer_trinary +%type <integer> integer_expr + %% sourcefile: @@ -102,7 +125,7 @@ memreserves: ; memreserve: - DT_MEMRESERVE addr addr ';' + DT_MEMRESERVE integer_prim integer_prim ';' { $$ = build_reserve_entry($2, $3); } @@ -113,13 +136,6 @@ memreserve: } ; -addr: - DT_LITERAL - { - $$ = eval_literal($1, 0, 64); - } - ; - devicetree: '/' nodedef { @@ -139,6 +155,17 @@ devicetree: print_error("label or path, '%s', not found", $2); $$ = $1; } + | devicetree DT_DEL_NODE DT_REF ';' + { + struct node *target = get_node_by_ref($1, $3); + + if (!target) + print_error("label or path, '%s', not found", $3); + else + delete_node(target); + + $$ = $1; + } ; nodedef: @@ -168,6 +195,10 @@ propdef: { $$ = build_property($1, empty_data); } + | DT_DEL_PROP DT_PROPNODENAME ';' + { + $$ = build_property_delete($2); + } | DT_LABEL propdef { add_label(&$2->labels, $1); @@ -180,9 +211,9 @@ propdata: { $$ = data_merge($1, $2); } - | propdataprefix '<' celllist '>' + | propdataprefix arrayprefix '>' { - $$ = data_merge($1, $3); + $$ = data_merge($1, $2.data); } | propdataprefix '[' bytestring ']' { @@ -192,7 +223,7 @@ propdata: { $$ = data_add_marker($1, REF_PATH, $2); } - | propdataprefix DT_INCBIN '(' DT_STRING ',' addr ',' addr ')' + | propdataprefix DT_INCBIN '(' DT_STRING ',' integer_prim ',' integer_prim ')' { FILE *f = srcfile_relative_open($4.val, NULL); struct data d; @@ -240,31 +271,154 @@ propdataprefix: } ; -celllist: - /* empty */ +arrayprefix: + DT_BITS DT_LITERAL '<' + { + $$.data = empty_data; + $$.bits = eval_literal($2, 0, 7); + + if (($$.bits != 8) && + ($$.bits != 16) && + ($$.bits != 32) && + ($$.bits != 64)) + { + print_error("Only 8, 16, 32 and 64-bit elements" + " are currently supported"); + $$.bits = 32; + } + } + | '<' + { + $$.data = empty_data; + $$.bits = 32; + } + | arrayprefix integer_prim + { + if ($1.bits < 64) { + uint64_t mask = (1ULL << $1.bits) - 1; + /* + * Bits above mask must either be all zero + * (positive within range of mask) or all one + * (negative and sign-extended). The second + * condition is true if when we set all bits + * within the mask to one (i.e. | in the + * mask), all bits are one. + */ + if (($2 > mask) && (($2 | mask) != -1ULL)) + print_error( + "integer value out of range " + "%016lx (%d bits)", $1.bits); + } + + $$.data = data_append_integer($1.data, $2, $1.bits); + } + | arrayprefix DT_REF + { + uint64_t val = ~0ULL >> (64 - $1.bits); + + if ($1.bits == 32) + $1.data = data_add_marker($1.data, + REF_PHANDLE, + $2); + else + print_error("References are only allowed in " + "arrays with 32-bit elements."); + + $$.data = data_append_integer($1.data, val, $1.bits); + } + | arrayprefix DT_LABEL { - $$ = empty_data; + $$.data = data_add_marker($1.data, LABEL, $2); } - | celllist cellval + ; + +integer_prim: + DT_LITERAL { - $$ = data_append_cell($1, $2); + $$ = eval_literal($1, 0, 64); } - | celllist DT_REF + | DT_CHAR_LITERAL { - $$ = data_append_cell(data_add_marker($1, REF_PHANDLE, - $2), -1); + $$ = eval_char_literal($1); } - | celllist DT_LABEL + | '(' integer_expr ')' { - $$ = data_add_marker($1, LABEL, $2); + $$ = $2; } ; -cellval: - DT_LITERAL - { - $$ = eval_literal($1, 0, 32); - } +integer_expr: + integer_trinary + ; + +integer_trinary: + integer_or + | integer_or '?' integer_expr ':' integer_trinary { $$ = $1 ? $3 : $5; } + ; + +integer_or: + integer_and + | integer_or DT_OR integer_and { $$ = $1 || $3; } + ; + +integer_and: + integer_bitor + | integer_and DT_AND integer_bitor { $$ = $1 && $3; } + ; + +integer_bitor: + integer_bitxor + | integer_bitor '|' integer_bitxor { $$ = $1 | $3; } + ; + +integer_bitxor: + integer_bitand + | integer_bitxor '^' integer_bitand { $$ = $1 ^ $3; } + ; + +integer_bitand: + integer_eq + | integer_bitand '&' integer_eq { $$ = $1 & $3; } + ; + +integer_eq: + integer_rela + | integer_eq DT_EQ integer_rela { $$ = $1 == $3; } + | integer_eq DT_NE integer_rela { $$ = $1 != $3; } + ; + +integer_rela: + integer_shift + | integer_rela '<' integer_shift { $$ = $1 < $3; } + | integer_rela '>' integer_shift { $$ = $1 > $3; } + | integer_rela DT_LE integer_shift { $$ = $1 <= $3; } + | integer_rela DT_GE integer_shift { $$ = $1 >= $3; } + ; + +integer_shift: + integer_shift DT_LSHIFT integer_add { $$ = $1 << $3; } + | integer_shift DT_RSHIFT integer_add { $$ = $1 >> $3; } + | integer_add + ; + +integer_add: + integer_add '+' integer_mul { $$ = $1 + $3; } + | integer_add '-' integer_mul { $$ = $1 - $3; } + | integer_mul + ; + +integer_mul: + integer_mul '*' integer_unary { $$ = $1 * $3; } + | integer_mul '/' integer_unary { $$ = $1 / $3; } + | integer_mul '%' integer_unary { $$ = $1 % $3; } + | integer_unary + ; + +integer_unary: + integer_prim + | '-' integer_unary { $$ = -$2; } + | '~' integer_unary { $$ = ~$2; } + | '!' integer_unary { $$ = !$2; } ; bytestring: @@ -303,6 +457,10 @@ subnode: { $$ = name_node($2, $1); } + | DT_DEL_NODE DT_PROPNODENAME ';' + { + $$ = name_node(build_node_delete(), $2); + } | DT_LABEL subnode { add_label(&$2->labels, $1); @@ -334,12 +492,41 @@ static unsigned long long eval_literal(const char *s, int base, int bits) errno = 0; val = strtoull(s, &e, base); - if (*e) - print_error("bad characters in literal"); - else if ((errno == ERANGE) + if (*e) { + size_t uls = strspn(e, "UL"); + if (e[uls]) + print_error("bad characters in literal"); + } + if ((errno == ERANGE) || ((bits < 64) && (val >= (1ULL << bits)))) print_error("literal out of range"); else if (errno != 0) print_error("bad literal"); return val; } + +static unsigned char eval_char_literal(const char *s) +{ + int i = 1; + char c = s[0]; + + if (c == '\0') + { + print_error("empty character literal"); + return 0; + } + + /* + * If the first character in the character literal is a \ then process + * the remaining characters as an escape encoding. If the first + * character is neither an escape or a terminator it should be the only + * character in the literal and will be returned. + */ + if (c == '\\') + c = get_escape_char(s, &i); + + if (s[i] != '\0') + print_error("malformed character literal"); + + return c; +} diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c index 2ef5e2e3dd38..a375683c1534 100644 --- a/scripts/dtc/dtc.c +++ b/scripts/dtc/dtc.c @@ -82,6 +82,8 @@ static void __attribute__ ((noreturn)) usage(void) fprintf(stderr, "\t\tSet the physical boot cpu\n"); fprintf(stderr, "\t-f\n"); fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n"); + fprintf(stderr, "\t-i\n"); + fprintf(stderr, "\t\tAdd a path to search for include files\n"); fprintf(stderr, "\t-s\n"); fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n"); fprintf(stderr, "\t-v\n"); @@ -91,6 +93,9 @@ static void __attribute__ ((noreturn)) usage(void) fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n"); fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n"); fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n"); + fprintf(stderr, "\t-W [no-]<checkname>\n"); + fprintf(stderr, "\t-E [no-]<checkname>\n"); + fprintf(stderr, "\t\t\tenable or disable warnings and errors\n"); exit(3); } @@ -113,7 +118,7 @@ int main(int argc, char *argv[]) minsize = 0; padsize = 0; - while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fcqb:vH:s")) + while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fqb:i:vH:sW:E:")) != EOF) { switch (opt) { case 'I': @@ -149,6 +154,9 @@ int main(int argc, char *argv[]) case 'b': cmdline_boot_cpuid = strtoll(optarg, NULL, 0); break; + case 'i': + srcfile_add_search_path(optarg); + break; case 'v': printf("Version: %s\n", DTC_VERSION); exit(0); @@ -168,6 +176,14 @@ int main(int argc, char *argv[]) sort = 1; break; + case 'W': + parse_checks_option(true, false, optarg); + break; + + case 'E': + parse_checks_option(false, true, optarg); + break; + case 'h': default: usage(); @@ -188,9 +204,6 @@ int main(int argc, char *argv[]) if (minsize) fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n"); - fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", - inform, outform, arg); - if (depname) { depfile = fopen(depname, "w"); if (!depfile) diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h index f37c97eb3dfc..3e42a071070e 100644 --- a/scripts/dtc/dtc.h +++ b/scripts/dtc/dtc.h @@ -25,6 +25,7 @@ #include <string.h> #include <stdlib.h> #include <stdint.h> +#include <stdbool.h> #include <stdarg.h> #include <assert.h> #include <ctype.h> @@ -109,6 +110,7 @@ struct data data_insert_at_marker(struct data d, struct marker *m, const void *p, int len); struct data data_merge(struct data d1, struct data d2); struct data data_append_cell(struct data d, cell_t word); +struct data data_append_integer(struct data d, uint64_t word, int bits); struct data data_append_re(struct data d, const struct fdt_reserve_entry *re); struct data data_append_addr(struct data d, uint64_t addr); struct data data_append_byte(struct data d, uint8_t byte); @@ -126,11 +128,13 @@ int data_is_one_string(struct data d); /* Live trees */ struct label { + int deleted; char *label; struct label *next; }; struct property { + int deleted; char *name; struct data val; @@ -140,6 +144,7 @@ struct property { }; struct node { + int deleted; char *name; struct property *proplist; struct node *children; @@ -156,28 +161,47 @@ struct node { struct label *labels; }; -#define for_each_label(l0, l) \ +#define for_each_label_withdel(l0, l) \ for ((l) = (l0); (l); (l) = (l)->next) -#define for_each_property(n, p) \ +#define for_each_label(l0, l) \ + for_each_label_withdel(l0, l) \ + if (!(l)->deleted) + +#define for_each_property_withdel(n, p) \ for ((p) = (n)->proplist; (p); (p) = (p)->next) -#define for_each_child(n, c) \ +#define for_each_property(n, p) \ + for_each_property_withdel(n, p) \ + if (!(p)->deleted) + +#define for_each_child_withdel(n, c) \ for ((c) = (n)->children; (c); (c) = (c)->next_sibling) +#define for_each_child(n, c) \ + for_each_child_withdel(n, c) \ + if (!(c)->deleted) + void add_label(struct label **labels, char *label); +void delete_labels(struct label **labels); struct property *build_property(char *name, struct data val); +struct property *build_property_delete(char *name); struct property *chain_property(struct property *first, struct property *list); struct property *reverse_properties(struct property *first); struct node *build_node(struct property *proplist, struct node *children); +struct node *build_node_delete(void); struct node *name_node(struct node *node, char *name); struct node *chain_node(struct node *first, struct node *list); struct node *merge_nodes(struct node *old_node, struct node *new_node); void add_property(struct node *node, struct property *prop); +void delete_property_by_name(struct node *node, char *name); +void delete_property(struct property *prop); void add_child(struct node *parent, struct node *child); +void delete_node_by_name(struct node *parent, char *name); +void delete_node(struct node *node); const char *get_unitname(struct node *node); struct property *get_property(struct node *node, const char *propname); @@ -224,6 +248,7 @@ void sort_tree(struct boot_info *bi); /* Checks */ +void parse_checks_option(bool warn, bool error, const char *optarg); void process_checks(int force, struct boot_info *bi); /* Flattened trees */ diff --git a/scripts/dtc/fdtdump.c b/scripts/dtc/fdtdump.c new file mode 100644 index 000000000000..207a46d64864 --- /dev/null +++ b/scripts/dtc/fdtdump.c @@ -0,0 +1,162 @@ +/* + * fdtdump.c - Contributed by Pantelis Antoniou <pantelis.antoniou AT gmail.com> + */ + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include <fdt.h> +#include <libfdt_env.h> + +#include "util.h" + +#define ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1)) +#define PALIGN(p, a) ((void *)(ALIGN((unsigned long)(p), (a)))) +#define GET_CELL(p) (p += 4, *((const uint32_t *)(p-4))) + +static void print_data(const char *data, int len) +{ + int i; + const char *p = data; + + /* no data, don't print */ + if (len == 0) + return; + + if (util_is_printable_string(data, len)) { + printf(" = \"%s\"", (const char *)data); + } else if ((len % 4) == 0) { + printf(" = <"); + for (i = 0; i < len; i += 4) + printf("0x%08x%s", fdt32_to_cpu(GET_CELL(p)), + i < (len - 4) ? " " : ""); + printf(">"); + } else { + printf(" = ["); + for (i = 0; i < len; i++) + printf("%02x%s", *p++, i < len - 1 ? " " : ""); + printf("]"); + } +} + +static void dump_blob(void *blob) +{ + struct fdt_header *bph = blob; + uint32_t off_mem_rsvmap = fdt32_to_cpu(bph->off_mem_rsvmap); + uint32_t off_dt = fdt32_to_cpu(bph->off_dt_struct); + uint32_t off_str = fdt32_to_cpu(bph->off_dt_strings); + struct fdt_reserve_entry *p_rsvmap = + (struct fdt_reserve_entry *)((char *)blob + off_mem_rsvmap); + const char *p_struct = (const char *)blob + off_dt; + const char *p_strings = (const char *)blob + off_str; + uint32_t version = fdt32_to_cpu(bph->version); + uint32_t totalsize = fdt32_to_cpu(bph->totalsize); + uint32_t tag; + const char *p, *s, *t; + int depth, sz, shift; + int i; + uint64_t addr, size; + + depth = 0; + shift = 4; + + printf("/dts-v1/;\n"); + printf("// magic:\t\t0x%x\n", fdt32_to_cpu(bph->magic)); + printf("// totalsize:\t\t0x%x (%d)\n", totalsize, totalsize); + printf("// off_dt_struct:\t0x%x\n", off_dt); + printf("// off_dt_strings:\t0x%x\n", off_str); + printf("// off_mem_rsvmap:\t0x%x\n", off_mem_rsvmap); + printf("// version:\t\t%d\n", version); + printf("// last_comp_version:\t%d\n", + fdt32_to_cpu(bph->last_comp_version)); + if (version >= 2) + printf("// boot_cpuid_phys:\t0x%x\n", + fdt32_to_cpu(bph->boot_cpuid_phys)); + + if (version >= 3) + printf("// size_dt_strings:\t0x%x\n", + fdt32_to_cpu(bph->size_dt_strings)); + if (version >= 17) + printf("// size_dt_struct:\t0x%x\n", + fdt32_to_cpu(bph->size_dt_struct)); + printf("\n"); + + for (i = 0; ; i++) { + addr = fdt64_to_cpu(p_rsvmap[i].address); + size = fdt64_to_cpu(p_rsvmap[i].size); + if (addr == 0 && size == 0) + break; + + printf("/memreserve/ %llx %llx;\n", + (unsigned long long)addr, (unsigned long long)size); + } + + p = p_struct; + while ((tag = fdt32_to_cpu(GET_CELL(p))) != FDT_END) { + + /* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */ + + if (tag == FDT_BEGIN_NODE) { + s = p; + p = PALIGN(p + strlen(s) + 1, 4); + + if (*s == '\0') + s = "/"; + + printf("%*s%s {\n", depth * shift, "", s); + + depth++; + continue; + } + + if (tag == FDT_END_NODE) { + depth--; + + printf("%*s};\n", depth * shift, ""); + continue; + } + + if (tag == FDT_NOP) { + printf("%*s// [NOP]\n", depth * shift, ""); + continue; + } + + if (tag != FDT_PROP) { + fprintf(stderr, "%*s ** Unknown tag 0x%08x\n", depth * shift, "", tag); + break; + } + sz = fdt32_to_cpu(GET_CELL(p)); + s = p_strings + fdt32_to_cpu(GET_CELL(p)); + if (version < 16 && sz >= 8) + p = PALIGN(p, 8); + t = p; + + p = PALIGN(p + sz, 4); + + printf("%*s%s", depth * shift, "", s); + print_data(t, sz); + printf(";\n"); + } +} + + +int main(int argc, char *argv[]) +{ + char *buf; + + if (argc < 2) { + fprintf(stderr, "supply input filename\n"); + return 5; + } + + buf = utilfdt_read(argv[1]); + if (buf) + dump_blob(buf); + else + return 10; + + return 0; +} diff --git a/scripts/dtc/fdtget.c b/scripts/dtc/fdtget.c new file mode 100644 index 000000000000..c2fbab2a5476 --- /dev/null +++ b/scripts/dtc/fdtget.c @@ -0,0 +1,366 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. + * + * Portions from U-Boot cmd_fdt.c (C) Copyright 2007 + * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com + * Based on code written by: + * Pantelis Antoniou <pantelis.antoniou@gmail.com> and + * Matthew McClintock <msm@freescale.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <assert.h> +#include <ctype.h> +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <libfdt.h> + +#include "util.h" + +enum display_mode { + MODE_SHOW_VALUE, /* show values for node properties */ + MODE_LIST_PROPS, /* list the properties for a node */ + MODE_LIST_SUBNODES, /* list the subnodes of a node */ +}; + +/* Holds information which controls our output and options */ +struct display_info { + int type; /* data type (s/i/u/x or 0 for default) */ + int size; /* data size (1/2/4) */ + enum display_mode mode; /* display mode that we are using */ + const char *default_val; /* default value if node/property not found */ +}; + +static void report_error(const char *where, int err) +{ + fprintf(stderr, "Error at '%s': %s\n", where, fdt_strerror(err)); +} + +/** + * Displays data of a given length according to selected options + * + * If a specific data type is provided in disp, then this is used. Otherwise + * we try to guess the data type / size from the contents. + * + * @param disp Display information / options + * @param data Data to display + * @param len Maximum length of buffer + * @return 0 if ok, -1 if data does not match format + */ +static int show_data(struct display_info *disp, const char *data, int len) +{ + int i, size; + const uint8_t *p = (const uint8_t *)data; + const char *s; + int value; + int is_string; + char fmt[3]; + + /* no data, don't print */ + if (len == 0) + return 0; + + is_string = (disp->type) == 's' || + (!disp->type && util_is_printable_string(data, len)); + if (is_string) { + if (data[len - 1] != '\0') { + fprintf(stderr, "Unterminated string\n"); + return -1; + } + for (s = data; s - data < len; s += strlen(s) + 1) { + if (s != data) + printf(" "); + printf("%s", (const char *)s); + } + return 0; + } + size = disp->size; + if (size == -1) { + size = (len % 4) == 0 ? 4 : 1; + } else if (len % size) { + fprintf(stderr, "Property length must be a multiple of " + "selected data size\n"); + return -1; + } + fmt[0] = '%'; + fmt[1] = disp->type ? disp->type : 'd'; + fmt[2] = '\0'; + for (i = 0; i < len; i += size, p += size) { + if (i) + printf(" "); + value = size == 4 ? fdt32_to_cpu(*(const uint32_t *)p) : + size == 2 ? (*p << 8) | p[1] : *p; + printf(fmt, value); + } + return 0; +} + +/** + * List all properties in a node, one per line. + * + * @param blob FDT blob + * @param node Node to display + * @return 0 if ok, or FDT_ERR... if not. + */ +static int list_properties(const void *blob, int node) +{ + const struct fdt_property *data; + const char *name; + int prop; + + prop = fdt_first_property_offset(blob, node); + do { + /* Stop silently when there are no more properties */ + if (prop < 0) + return prop == -FDT_ERR_NOTFOUND ? 0 : prop; + data = fdt_get_property_by_offset(blob, prop, NULL); + name = fdt_string(blob, fdt32_to_cpu(data->nameoff)); + if (name) + puts(name); + prop = fdt_next_property_offset(blob, prop); + } while (1); +} + +#define MAX_LEVEL 32 /* how deeply nested we will go */ + +/** + * List all subnodes in a node, one per line + * + * @param blob FDT blob + * @param node Node to display + * @return 0 if ok, or FDT_ERR... if not. + */ +static int list_subnodes(const void *blob, int node) +{ + int nextoffset; /* next node offset from libfdt */ + uint32_t tag; /* current tag */ + int level = 0; /* keep track of nesting level */ + const char *pathp; + int depth = 1; /* the assumed depth of this node */ + + while (level >= 0) { + tag = fdt_next_tag(blob, node, &nextoffset); + switch (tag) { + case FDT_BEGIN_NODE: + pathp = fdt_get_name(blob, node, NULL); + if (level <= depth) { + if (pathp == NULL) + pathp = "/* NULL pointer error */"; + if (*pathp == '\0') + pathp = "/"; /* root is nameless */ + if (level == 1) + puts(pathp); + } + level++; + if (level >= MAX_LEVEL) { + printf("Nested too deep, aborting.\n"); + return 1; + } + break; + case FDT_END_NODE: + level--; + if (level == 0) + level = -1; /* exit the loop */ + break; + case FDT_END: + return 1; + case FDT_PROP: + break; + default: + if (level <= depth) + printf("Unknown tag 0x%08X\n", tag); + return 1; + } + node = nextoffset; + } + return 0; +} + +/** + * Show the data for a given node (and perhaps property) according to the + * display option provided. + * + * @param blob FDT blob + * @param disp Display information / options + * @param node Node to display + * @param property Name of property to display, or NULL if none + * @return 0 if ok, -ve on error + */ +static int show_data_for_item(const void *blob, struct display_info *disp, + int node, const char *property) +{ + const void *value = NULL; + int len, err = 0; + + switch (disp->mode) { + case MODE_LIST_PROPS: + err = list_properties(blob, node); + break; + + case MODE_LIST_SUBNODES: + err = list_subnodes(blob, node); + break; + + default: + assert(property); + value = fdt_getprop(blob, node, property, &len); + if (value) { + if (show_data(disp, value, len)) + err = -1; + else + printf("\n"); + } else if (disp->default_val) { + puts(disp->default_val); + } else { + report_error(property, len); + err = -1; + } + break; + } + + return err; +} + +/** + * Run the main fdtget operation, given a filename and valid arguments + * + * @param disp Display information / options + * @param filename Filename of blob file + * @param arg List of arguments to process + * @param arg_count Number of arguments + * @param return 0 if ok, -ve on error + */ +static int do_fdtget(struct display_info *disp, const char *filename, + char **arg, int arg_count, int args_per_step) +{ + char *blob; + const char *prop; + int i, node; + + blob = utilfdt_read(filename); + if (!blob) + return -1; + + for (i = 0; i + args_per_step <= arg_count; i += args_per_step) { + node = fdt_path_offset(blob, arg[i]); + if (node < 0) { + if (disp->default_val) { + puts(disp->default_val); + continue; + } else { + report_error(arg[i], node); + return -1; + } + } + prop = args_per_step == 1 ? NULL : arg[i + 1]; + + if (show_data_for_item(blob, disp, node, prop)) + return -1; + } + return 0; +} + +static const char *usage_msg = + "fdtget - read values from device tree\n" + "\n" + "Each value is printed on a new line.\n\n" + "Usage:\n" + " fdtget <options> <dt file> [<node> <property>]...\n" + " fdtget -p <options> <dt file> [<node> ]...\n" + "Options:\n" + "\t-t <type>\tType of data\n" + "\t-p\t\tList properties for each node\n" + "\t-l\t\tList subnodes for each node\n" + "\t-d\t\tDefault value to display when the property is " + "missing\n" + "\t-h\t\tPrint this help\n\n" + USAGE_TYPE_MSG; + +static void usage(const char *msg) +{ + if (msg) + fprintf(stderr, "Error: %s\n\n", msg); + + fprintf(stderr, "%s", usage_msg); + exit(2); +} + +int main(int argc, char *argv[]) +{ + char *filename = NULL; + struct display_info disp; + int args_per_step = 2; + + /* set defaults */ + memset(&disp, '\0', sizeof(disp)); + disp.size = -1; + disp.mode = MODE_SHOW_VALUE; + for (;;) { + int c = getopt(argc, argv, "d:hlpt:"); + if (c == -1) + break; + + switch (c) { + case 'h': + case '?': + usage(NULL); + + case 't': + if (utilfdt_decode_type(optarg, &disp.type, + &disp.size)) + usage("Invalid type string"); + break; + + case 'p': + disp.mode = MODE_LIST_PROPS; + args_per_step = 1; + break; + + case 'l': + disp.mode = MODE_LIST_SUBNODES; + args_per_step = 1; + break; + + case 'd': + disp.default_val = optarg; + break; + } + } + + if (optind < argc) + filename = argv[optind++]; + if (!filename) + usage("Missing filename"); + + argv += optind; + argc -= optind; + + /* Allow no arguments, and silently succeed */ + if (!argc) + return 0; + + /* Check for node, property arguments */ + if (args_per_step == 2 && (argc % 2)) + usage("Must have an even number of arguments"); + + if (do_fdtget(&disp, filename, argv, argc, args_per_step)) + return 1; + return 0; +} diff --git a/scripts/dtc/fdtput.c b/scripts/dtc/fdtput.c new file mode 100644 index 000000000000..f2197f51930b --- /dev/null +++ b/scripts/dtc/fdtput.c @@ -0,0 +1,362 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <assert.h> +#include <ctype.h> +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <libfdt.h> + +#include "util.h" + +/* These are the operations we support */ +enum oper_type { + OPER_WRITE_PROP, /* Write a property in a node */ + OPER_CREATE_NODE, /* Create a new node */ +}; + +struct display_info { + enum oper_type oper; /* operation to perform */ + int type; /* data type (s/i/u/x or 0 for default) */ + int size; /* data size (1/2/4) */ + int verbose; /* verbose output */ + int auto_path; /* automatically create all path components */ +}; + + +/** + * Report an error with a particular node. + * + * @param name Node name to report error on + * @param namelen Length of node name, or -1 to use entire string + * @param err Error number to report (-FDT_ERR_...) + */ +static void report_error(const char *name, int namelen, int err) +{ + if (namelen == -1) + namelen = strlen(name); + fprintf(stderr, "Error at '%1.*s': %s\n", namelen, name, + fdt_strerror(err)); +} + +/** + * Encode a series of arguments in a property value. + * + * @param disp Display information / options + * @param arg List of arguments from command line + * @param arg_count Number of arguments (may be 0) + * @param valuep Returns buffer containing value + * @param *value_len Returns length of value encoded + */ +static int encode_value(struct display_info *disp, char **arg, int arg_count, + char **valuep, int *value_len) +{ + char *value = NULL; /* holding area for value */ + int value_size = 0; /* size of holding area */ + char *ptr; /* pointer to current value position */ + int len; /* length of this cell/string/byte */ + int ival; + int upto; /* the number of bytes we have written to buf */ + char fmt[3]; + + upto = 0; + + if (disp->verbose) + fprintf(stderr, "Decoding value:\n"); + + fmt[0] = '%'; + fmt[1] = disp->type ? disp->type : 'd'; + fmt[2] = '\0'; + for (; arg_count > 0; arg++, arg_count--, upto += len) { + /* assume integer unless told otherwise */ + if (disp->type == 's') + len = strlen(*arg) + 1; + else + len = disp->size == -1 ? 4 : disp->size; + + /* enlarge our value buffer by a suitable margin if needed */ + if (upto + len > value_size) { + value_size = (upto + len) + 500; + value = realloc(value, value_size); + if (!value) { + fprintf(stderr, "Out of mmory: cannot alloc " + "%d bytes\n", value_size); + return -1; + } + } + + ptr = value + upto; + if (disp->type == 's') { + memcpy(ptr, *arg, len); + if (disp->verbose) + fprintf(stderr, "\tstring: '%s'\n", ptr); + } else { + int *iptr = (int *)ptr; + sscanf(*arg, fmt, &ival); + if (len == 4) + *iptr = cpu_to_fdt32(ival); + else + *ptr = (uint8_t)ival; + if (disp->verbose) { + fprintf(stderr, "\t%s: %d\n", + disp->size == 1 ? "byte" : + disp->size == 2 ? "short" : "int", + ival); + } + } + } + *value_len = upto; + *valuep = value; + if (disp->verbose) + fprintf(stderr, "Value size %d\n", upto); + return 0; +} + +static int store_key_value(void *blob, const char *node_name, + const char *property, const char *buf, int len) +{ + int node; + int err; + + node = fdt_path_offset(blob, node_name); + if (node < 0) { + report_error(node_name, -1, node); + return -1; + } + + err = fdt_setprop(blob, node, property, buf, len); + if (err) { + report_error(property, -1, err); + return -1; + } + return 0; +} + +/** + * Create paths as needed for all components of a path + * + * Any components of the path that do not exist are created. Errors are + * reported. + * + * @param blob FDT blob to write into + * @param in_path Path to process + * @return 0 if ok, -1 on error + */ +static int create_paths(void *blob, const char *in_path) +{ + const char *path = in_path; + const char *sep; + int node, offset = 0; + + /* skip leading '/' */ + while (*path == '/') + path++; + + for (sep = path; *sep; path = sep + 1, offset = node) { + /* equivalent to strchrnul(), but it requires _GNU_SOURCE */ + sep = strchr(path, '/'); + if (!sep) + sep = path + strlen(path); + + node = fdt_subnode_offset_namelen(blob, offset, path, + sep - path); + if (node == -FDT_ERR_NOTFOUND) { + node = fdt_add_subnode_namelen(blob, offset, path, + sep - path); + } + if (node < 0) { + report_error(path, sep - path, node); + return -1; + } + } + + return 0; +} + +/** + * Create a new node in the fdt. + * + * This will overwrite the node_name string. Any error is reported. + * + * TODO: Perhaps create fdt_path_offset_namelen() so we don't need to do this. + * + * @param blob FDT blob to write into + * @param node_name Name of node to create + * @return new node offset if found, or -1 on failure + */ +static int create_node(void *blob, const char *node_name) +{ + int node = 0; + char *p; + + p = strrchr(node_name, '/'); + if (!p) { + report_error(node_name, -1, -FDT_ERR_BADPATH); + return -1; + } + *p = '\0'; + + if (p > node_name) { + node = fdt_path_offset(blob, node_name); + if (node < 0) { + report_error(node_name, -1, node); + return -1; + } + } + + node = fdt_add_subnode(blob, node, p + 1); + if (node < 0) { + report_error(p + 1, -1, node); + return -1; + } + + return 0; +} + +static int do_fdtput(struct display_info *disp, const char *filename, + char **arg, int arg_count) +{ + char *value; + char *blob; + int len, ret = 0; + + blob = utilfdt_read(filename); + if (!blob) + return -1; + + switch (disp->oper) { + case OPER_WRITE_PROP: + /* + * Convert the arguments into a single binary value, then + * store them into the property. + */ + assert(arg_count >= 2); + if (disp->auto_path && create_paths(blob, *arg)) + return -1; + if (encode_value(disp, arg + 2, arg_count - 2, &value, &len) || + store_key_value(blob, *arg, arg[1], value, len)) + ret = -1; + break; + case OPER_CREATE_NODE: + for (; ret >= 0 && arg_count--; arg++) { + if (disp->auto_path) + ret = create_paths(blob, *arg); + else + ret = create_node(blob, *arg); + } + break; + } + if (ret >= 0) + ret = utilfdt_write(filename, blob); + + free(blob); + return ret; +} + +static const char *usage_msg = + "fdtput - write a property value to a device tree\n" + "\n" + "The command line arguments are joined together into a single value.\n" + "\n" + "Usage:\n" + " fdtput <options> <dt file> <node> <property> [<value>...]\n" + " fdtput -c <options> <dt file> [<node>...]\n" + "Options:\n" + "\t-c\t\tCreate nodes if they don't already exist\n" + "\t-p\t\tAutomatically create nodes as needed for the node path\n" + "\t-t <type>\tType of data\n" + "\t-v\t\tVerbose: display each value decoded from command line\n" + "\t-h\t\tPrint this help\n\n" + USAGE_TYPE_MSG; + +static void usage(const char *msg) +{ + if (msg) + fprintf(stderr, "Error: %s\n\n", msg); + + fprintf(stderr, "%s", usage_msg); + exit(2); +} + +int main(int argc, char *argv[]) +{ + struct display_info disp; + char *filename = NULL; + + memset(&disp, '\0', sizeof(disp)); + disp.size = -1; + disp.oper = OPER_WRITE_PROP; + for (;;) { + int c = getopt(argc, argv, "chpt:v"); + if (c == -1) + break; + + /* + * TODO: add options to: + * - delete property + * - delete node (optionally recursively) + * - rename node + * - pack fdt before writing + * - set amount of free space when writing + * - expand fdt if value doesn't fit + */ + switch (c) { + case 'c': + disp.oper = OPER_CREATE_NODE; + break; + case 'h': + case '?': + usage(NULL); + case 'p': + disp.auto_path = 1; + break; + case 't': + if (utilfdt_decode_type(optarg, &disp.type, + &disp.size)) + usage("Invalid type string"); + break; + + case 'v': + disp.verbose = 1; + break; + } + } + + if (optind < argc) + filename = argv[optind++]; + if (!filename) + usage("Missing filename"); + + argv += optind; + argc -= optind; + + if (disp.oper == OPER_WRITE_PROP) { + if (argc < 1) + usage("Missing node"); + if (argc < 2) + usage("Missing property"); + } + + if (do_fdtput(&disp, filename, argv, argc)) + return 1; + return 0; +} diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c index 28d0b2381df6..665dad7bb465 100644 --- a/scripts/dtc/flattree.c +++ b/scripts/dtc/flattree.c @@ -263,6 +263,9 @@ static void flatten_tree(struct node *tree, struct emitter *emit, struct node *child; int seen_name_prop = 0; + if (tree->deleted) + return; + emit->beginnode(etarget, tree->labels); if (vi->flags & FTF_FULLPATH) diff --git a/scripts/dtc/libfdt/Makefile.libfdt b/scripts/dtc/libfdt/Makefile.libfdt index 6c42acfa21ec..91126c000a1e 100644 --- a/scripts/dtc/libfdt/Makefile.libfdt +++ b/scripts/dtc/libfdt/Makefile.libfdt @@ -3,6 +3,8 @@ # This is not a complete Makefile of itself. Instead, it is designed to # be easily embeddable into other systems of Makefiles. # -LIBFDT_INCLUDES = fdt.h libfdt.h -LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c +LIBFDT_soname = libfdt.$(SHAREDLIB_EXT).1 +LIBFDT_INCLUDES = fdt.h libfdt.h libfdt_env.h +LIBFDT_VERSION = version.lds +LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c fdt_empty_tree.c LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o) diff --git a/scripts/dtc/libfdt/fdt.c b/scripts/dtc/libfdt/fdt.c index 2acaec5923ae..e56833ae9b6f 100644 --- a/scripts/dtc/libfdt/fdt.c +++ b/scripts/dtc/libfdt/fdt.c @@ -74,7 +74,7 @@ int fdt_check_header(const void *fdt) return 0; } -const void *fdt_offset_ptr(const void *fdt, int offset, int len) +const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len) { const char *p; @@ -90,42 +90,53 @@ const void *fdt_offset_ptr(const void *fdt, int offset, int len) return p; } -uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset) +uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset) { const uint32_t *tagp, *lenp; uint32_t tag; + int offset = startoffset; const char *p; - if (offset % FDT_TAGSIZE) - return -1; - + *nextoffset = -FDT_ERR_TRUNCATED; tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE); - if (! tagp) + if (!tagp) return FDT_END; /* premature end */ tag = fdt32_to_cpu(*tagp); offset += FDT_TAGSIZE; + *nextoffset = -FDT_ERR_BADSTRUCTURE; switch (tag) { case FDT_BEGIN_NODE: /* skip name */ do { p = fdt_offset_ptr(fdt, offset++, 1); } while (p && (*p != '\0')); - if (! p) - return FDT_END; + if (!p) + return FDT_END; /* premature end */ break; + case FDT_PROP: lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp)); - if (! lenp) - return FDT_END; - /* skip name offset, length and value */ - offset += 2*FDT_TAGSIZE + fdt32_to_cpu(*lenp); + if (!lenp) + return FDT_END; /* premature end */ + /* skip-name offset, length and value */ + offset += sizeof(struct fdt_property) - FDT_TAGSIZE + + fdt32_to_cpu(*lenp); + break; + + case FDT_END: + case FDT_END_NODE: + case FDT_NOP: break; + + default: + return FDT_END; } - if (nextoffset) - *nextoffset = FDT_TAGALIGN(offset); + if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset)) + return FDT_END; /* premature end */ + *nextoffset = FDT_TAGALIGN(offset); return tag; } @@ -138,6 +149,15 @@ int _fdt_check_node_offset(const void *fdt, int offset) return offset; } +int _fdt_check_prop_offset(const void *fdt, int offset) +{ + if ((offset < 0) || (offset % FDT_TAGSIZE) + || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP)) + return -FDT_ERR_BADOFFSET; + + return offset; +} + int fdt_next_node(const void *fdt, int offset, int *depth) { int nextoffset = 0; @@ -162,15 +182,16 @@ int fdt_next_node(const void *fdt, int offset, int *depth) break; case FDT_END_NODE: - if (depth) - (*depth)--; + if (depth && ((--(*depth)) < 0)) + return nextoffset; break; case FDT_END: - return -FDT_ERR_NOTFOUND; - - default: - return -FDT_ERR_BADSTRUCTURE; + if ((nextoffset >= 0) + || ((nextoffset == -FDT_ERR_TRUNCATED) && !depth)) + return -FDT_ERR_NOTFOUND; + else + return nextoffset; } } while (tag != FDT_BEGIN_NODE); diff --git a/scripts/dtc/libfdt/fdt_empty_tree.c b/scripts/dtc/libfdt/fdt_empty_tree.c new file mode 100644 index 000000000000..f72d13b1d19c --- /dev/null +++ b/scripts/dtc/libfdt/fdt_empty_tree.c @@ -0,0 +1,84 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2012 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +int fdt_create_empty_tree(void *buf, int bufsize) +{ + int err; + + err = fdt_create(buf, bufsize); + if (err) + return err; + + err = fdt_finish_reservemap(buf); + if (err) + return err; + + err = fdt_begin_node(buf, ""); + if (err) + return err; + + err = fdt_end_node(buf); + if (err) + return err; + + err = fdt_finish(buf); + if (err) + return err; + + return fdt_open_into(buf, buf, bufsize); +} + diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c index 22e692919ff9..02b6d687537f 100644 --- a/scripts/dtc/libfdt/fdt_ro.c +++ b/scripts/dtc/libfdt/fdt_ro.c @@ -80,6 +80,14 @@ const char *fdt_string(const void *fdt, int stroffset) return (const char *)fdt + fdt_off_dt_strings(fdt) + stroffset; } +static int _fdt_string_eq(const void *fdt, int stroffset, + const char *s, int len) +{ + const char *p = fdt_string(fdt, stroffset); + + return (strlen(p) == len) && (memcmp(p, s, len) == 0); +} + int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size) { FDT_CHECK_HEADER(fdt); @@ -97,6 +105,30 @@ int fdt_num_mem_rsv(const void *fdt) return i; } +static int _nextprop(const void *fdt, int offset) +{ + uint32_t tag; + int nextoffset; + + do { + tag = fdt_next_tag(fdt, offset, &nextoffset); + + switch (tag) { + case FDT_END: + if (nextoffset >= 0) + return -FDT_ERR_BADSTRUCTURE; + else + return nextoffset; + + case FDT_PROP: + return offset; + } + offset = nextoffset; + } while (tag == FDT_NOP); + + return -FDT_ERR_NOTFOUND; +} + int fdt_subnode_offset_namelen(const void *fdt, int offset, const char *name, int namelen) { @@ -104,20 +136,16 @@ int fdt_subnode_offset_namelen(const void *fdt, int offset, FDT_CHECK_HEADER(fdt); - for (depth = 0, offset = fdt_next_node(fdt, offset, &depth); - (offset >= 0) && (depth > 0); - offset = fdt_next_node(fdt, offset, &depth)) { - if (depth < 0) - return -FDT_ERR_NOTFOUND; - else if ((depth == 1) - && _fdt_nodename_eq(fdt, offset, name, namelen)) + for (depth = 0; + (offset >= 0) && (depth >= 0); + offset = fdt_next_node(fdt, offset, &depth)) + if ((depth == 1) + && _fdt_nodename_eq(fdt, offset, name, namelen)) return offset; - } - if (offset < 0) - return offset; /* error */ - else + if (depth < 0) return -FDT_ERR_NOTFOUND; + return offset; /* error */ } int fdt_subnode_offset(const void *fdt, int parentoffset, @@ -134,8 +162,20 @@ int fdt_path_offset(const void *fdt, const char *path) FDT_CHECK_HEADER(fdt); - if (*path != '/') - return -FDT_ERR_BADPATH; + /* see if we have an alias */ + if (*path != '/') { + const char *q = strchr(path, '/'); + + if (!q) + q = end; + + p = fdt_get_alias_namelen(fdt, p, q - p); + if (!p) + return -FDT_ERR_BADPATH; + offset = fdt_path_offset(fdt, p); + + p = q; + } while (*p) { const char *q; @@ -178,93 +218,142 @@ const char *fdt_get_name(const void *fdt, int nodeoffset, int *len) return NULL; } -const struct fdt_property *fdt_get_property(const void *fdt, - int nodeoffset, - const char *name, int *lenp) +int fdt_first_property_offset(const void *fdt, int nodeoffset) +{ + int offset; + + if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0) + return offset; + + return _nextprop(fdt, offset); +} + +int fdt_next_property_offset(const void *fdt, int offset) +{ + if ((offset = _fdt_check_prop_offset(fdt, offset)) < 0) + return offset; + + return _nextprop(fdt, offset); +} + +const struct fdt_property *fdt_get_property_by_offset(const void *fdt, + int offset, + int *lenp) { - uint32_t tag; - const struct fdt_property *prop; - int namestroff; - int offset, nextoffset; int err; + const struct fdt_property *prop; - if (((err = fdt_check_header(fdt)) != 0) - || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0)) - goto fail; + if ((err = _fdt_check_prop_offset(fdt, offset)) < 0) { + if (lenp) + *lenp = err; + return NULL; + } - nextoffset = err; - do { - offset = nextoffset; + prop = _fdt_offset_ptr(fdt, offset); - tag = fdt_next_tag(fdt, offset, &nextoffset); - switch (tag) { - case FDT_END: - err = -FDT_ERR_TRUNCATED; - goto fail; + if (lenp) + *lenp = fdt32_to_cpu(prop->len); - case FDT_BEGIN_NODE: - case FDT_END_NODE: - case FDT_NOP: - break; + return prop; +} - case FDT_PROP: - err = -FDT_ERR_BADSTRUCTURE; - prop = fdt_offset_ptr(fdt, offset, sizeof(*prop)); - if (! prop) - goto fail; - namestroff = fdt32_to_cpu(prop->nameoff); - if (strcmp(fdt_string(fdt, namestroff), name) == 0) { - /* Found it! */ - int len = fdt32_to_cpu(prop->len); - prop = fdt_offset_ptr(fdt, offset, - sizeof(*prop)+len); - if (! prop) - goto fail; - - if (lenp) - *lenp = len; - - return prop; - } - break; +const struct fdt_property *fdt_get_property_namelen(const void *fdt, + int offset, + const char *name, + int namelen, int *lenp) +{ + for (offset = fdt_first_property_offset(fdt, offset); + (offset >= 0); + (offset = fdt_next_property_offset(fdt, offset))) { + const struct fdt_property *prop; - default: - err = -FDT_ERR_BADSTRUCTURE; - goto fail; + if (!(prop = fdt_get_property_by_offset(fdt, offset, lenp))) { + offset = -FDT_ERR_INTERNAL; + break; } - } while ((tag != FDT_BEGIN_NODE) && (tag != FDT_END_NODE)); + if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff), + name, namelen)) + return prop; + } - err = -FDT_ERR_NOTFOUND; - fail: if (lenp) - *lenp = err; + *lenp = offset; return NULL; } -const void *fdt_getprop(const void *fdt, int nodeoffset, - const char *name, int *lenp) +const struct fdt_property *fdt_get_property(const void *fdt, + int nodeoffset, + const char *name, int *lenp) +{ + return fdt_get_property_namelen(fdt, nodeoffset, name, + strlen(name), lenp); +} + +const void *fdt_getprop_namelen(const void *fdt, int nodeoffset, + const char *name, int namelen, int *lenp) { const struct fdt_property *prop; - prop = fdt_get_property(fdt, nodeoffset, name, lenp); + prop = fdt_get_property_namelen(fdt, nodeoffset, name, namelen, lenp); if (! prop) return NULL; return prop->data; } +const void *fdt_getprop_by_offset(const void *fdt, int offset, + const char **namep, int *lenp) +{ + const struct fdt_property *prop; + + prop = fdt_get_property_by_offset(fdt, offset, lenp); + if (!prop) + return NULL; + if (namep) + *namep = fdt_string(fdt, fdt32_to_cpu(prop->nameoff)); + return prop->data; +} + +const void *fdt_getprop(const void *fdt, int nodeoffset, + const char *name, int *lenp) +{ + return fdt_getprop_namelen(fdt, nodeoffset, name, strlen(name), lenp); +} + uint32_t fdt_get_phandle(const void *fdt, int nodeoffset) { const uint32_t *php; int len; - php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len); - if (!php || (len != sizeof(*php))) - return 0; + /* FIXME: This is a bit sub-optimal, since we potentially scan + * over all the properties twice. */ + php = fdt_getprop(fdt, nodeoffset, "phandle", &len); + if (!php || (len != sizeof(*php))) { + php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len); + if (!php || (len != sizeof(*php))) + return 0; + } return fdt32_to_cpu(*php); } +const char *fdt_get_alias_namelen(const void *fdt, + const char *name, int namelen) +{ + int aliasoffset; + + aliasoffset = fdt_path_offset(fdt, "/aliases"); + if (aliasoffset < 0) + return NULL; + + return fdt_getprop_namelen(fdt, aliasoffset, name, namelen, NULL); +} + +const char *fdt_get_alias(const void *fdt, const char *name) +{ + return fdt_get_alias_namelen(fdt, name, strlen(name)); +} + int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen) { int pdepth = 0, p = 0; @@ -279,9 +368,6 @@ int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen) for (offset = 0, depth = 0; (offset >= 0) && (offset <= nodeoffset); offset = fdt_next_node(fdt, offset, &depth)) { - if (pdepth < depth) - continue; /* overflowed buffer */ - while (pdepth > depth) { do { p--; @@ -289,14 +375,16 @@ int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen) pdepth--; } - name = fdt_get_name(fdt, offset, &namelen); - if (!name) - return namelen; - if ((p + namelen + 1) <= buflen) { - memcpy(buf + p, name, namelen); - p += namelen; - buf[p++] = '/'; - pdepth++; + if (pdepth >= depth) { + name = fdt_get_name(fdt, offset, &namelen); + if (!name) + return namelen; + if ((p + namelen + 1) <= buflen) { + memcpy(buf + p, name, namelen); + p += namelen; + buf[p++] = '/'; + pdepth++; + } } if (offset == nodeoffset) { @@ -306,7 +394,7 @@ int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen) if (p > 1) /* special case so that root path is "/", not "" */ p--; buf[p] = '\0'; - return p; + return 0; } } @@ -404,14 +492,31 @@ int fdt_node_offset_by_prop_value(const void *fdt, int startoffset, int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle) { + int offset; + if ((phandle == 0) || (phandle == -1)) return -FDT_ERR_BADPHANDLE; - phandle = cpu_to_fdt32(phandle); - return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle", - &phandle, sizeof(phandle)); + + FDT_CHECK_HEADER(fdt); + + /* FIXME: The algorithm here is pretty horrible: we + * potentially scan each property of a node in + * fdt_get_phandle(), then if that didn't find what + * we want, we scan over them again making our way to the next + * node. Still it's the easiest to implement approach; + * performance can come later. */ + for (offset = fdt_next_node(fdt, -1, NULL); + offset >= 0; + offset = fdt_next_node(fdt, offset, NULL)) { + if (fdt_get_phandle(fdt, offset) == phandle) + return offset; + } + + return offset; /* error from fdt_next_node() */ } -static int _stringlist_contains(const char *strlist, int listlen, const char *str) +static int _fdt_stringlist_contains(const char *strlist, int listlen, + const char *str) { int len = strlen(str); const char *p; @@ -437,7 +542,7 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset, prop = fdt_getprop(fdt, nodeoffset, "compatible", &len); if (!prop) return len; - if (_stringlist_contains(prop, len, compatible)) + if (_fdt_stringlist_contains(prop, len, compatible)) return 0; else return 1; diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c index 8e7ec4cb7bcd..24437dfc32b8 100644 --- a/scripts/dtc/libfdt/fdt_rw.c +++ b/scripts/dtc/libfdt/fdt_rw.c @@ -289,6 +289,33 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, return 0; } +int fdt_appendprop(void *fdt, int nodeoffset, const char *name, + const void *val, int len) +{ + struct fdt_property *prop; + int err, oldlen, newlen; + + FDT_RW_CHECK_HEADER(fdt); + + prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen); + if (prop) { + newlen = len + oldlen; + err = _fdt_splice_struct(fdt, prop->data, + FDT_TAGALIGN(oldlen), + FDT_TAGALIGN(newlen)); + if (err) + return err; + prop->len = cpu_to_fdt32(newlen); + memcpy(prop->data + oldlen, val, len); + } else { + err = _fdt_add_property(fdt, nodeoffset, name, len, &prop); + if (err) + return err; + memcpy(prop->data, val, len); + } + return 0; +} + int fdt_delprop(void *fdt, int nodeoffset, const char *name) { struct fdt_property *prop; @@ -406,6 +433,8 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize) struct_size = 0; while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END) ; + if (struct_size < 0) + return struct_size; } if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) { diff --git a/scripts/dtc/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c index 698329e0ccaf..55ebebf1eb20 100644 --- a/scripts/dtc/libfdt/fdt_sw.c +++ b/scripts/dtc/libfdt/fdt_sw.c @@ -70,7 +70,7 @@ static int _fdt_sw_check_header(void *fdt) return err; \ } -static void *_fdt_grab_space(void *fdt, int len) +static void *_fdt_grab_space(void *fdt, size_t len) { int offset = fdt_size_dt_struct(fdt); int spaceleft; @@ -82,7 +82,7 @@ static void *_fdt_grab_space(void *fdt, int len) return NULL; fdt_set_size_dt_struct(fdt, offset + len); - return fdt_offset_ptr_w(fdt, offset, len); + return _fdt_offset_ptr_w(fdt, offset); } int fdt_create(void *buf, int bufsize) @@ -237,18 +237,17 @@ int fdt_finish(void *fdt) while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) { if (tag == FDT_PROP) { struct fdt_property *prop = - fdt_offset_ptr_w(fdt, offset, sizeof(*prop)); + _fdt_offset_ptr_w(fdt, offset); int nameoff; - if (! prop) - return -FDT_ERR_BADSTRUCTURE; - nameoff = fdt32_to_cpu(prop->nameoff); nameoff += fdt_size_dt_strings(fdt); prop->nameoff = cpu_to_fdt32(nameoff); } offset = nextoffset; } + if (nextoffset < 0) + return nextoffset; /* Finally, adjust the header */ fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt)); diff --git a/scripts/dtc/libfdt/fdt_wip.c b/scripts/dtc/libfdt/fdt_wip.c index a4652c6e787e..6025fa1fe8fe 100644 --- a/scripts/dtc/libfdt/fdt_wip.c +++ b/scripts/dtc/libfdt/fdt_wip.c @@ -94,41 +94,14 @@ int fdt_nop_property(void *fdt, int nodeoffset, const char *name) return 0; } -int _fdt_node_end_offset(void *fdt, int nodeoffset) +int _fdt_node_end_offset(void *fdt, int offset) { - int level = 0; - uint32_t tag; - int offset, nextoffset; - - tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); - if (tag != FDT_BEGIN_NODE) - return -FDT_ERR_BADOFFSET; - do { - offset = nextoffset; - tag = fdt_next_tag(fdt, offset, &nextoffset); - - switch (tag) { - case FDT_END: - return offset; - - case FDT_BEGIN_NODE: - level++; - break; - - case FDT_END_NODE: - level--; - break; - - case FDT_PROP: - case FDT_NOP: - break; - - default: - return -FDT_ERR_BADSTRUCTURE; - } - } while (level >= 0); - - return nextoffset; + int depth = 0; + + while ((offset >= 0) && (depth >= 0)) + offset = fdt_next_node(fdt, offset, &depth); + + return offset; } int fdt_nop_node(void *fdt, int nodeoffset) diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h index ff6246f000ce..73f49759a5e7 100644 --- a/scripts/dtc/libfdt/libfdt.h +++ b/scripts/dtc/libfdt/libfdt.h @@ -61,7 +61,7 @@ #define FDT_ERR_NOTFOUND 1 /* FDT_ERR_NOTFOUND: The requested node or property does not exist */ #define FDT_ERR_EXISTS 2 - /* FDT_ERR_EXISTS: Attempted to create a node or property which + /* FDT_ERR_EXISTS: Attemped to create a node or property which * already exists */ #define FDT_ERR_NOSPACE 3 /* FDT_ERR_NOSPACE: Operation needed to expand the device @@ -122,7 +122,7 @@ /* Low-level functions (you probably don't need these) */ /**********************************************************************/ -const void *fdt_offset_ptr(const void *fdt, int offset, int checklen); +const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen); static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) { return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen); @@ -156,7 +156,7 @@ int fdt_next_node(const void *fdt, int offset, int *depth); #define __fdt_set_hdr(name) \ static inline void fdt_set_##name(void *fdt, uint32_t val) \ { \ - struct fdt_header *fdth = fdt; \ + struct fdt_header *fdth = (struct fdt_header*)fdt; \ fdth->name = cpu_to_fdt32(val); \ } __fdt_set_hdr(magic); @@ -343,6 +343,91 @@ int fdt_path_offset(const void *fdt, const char *path); const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp); /** + * fdt_first_property_offset - find the offset of a node's first property + * @fdt: pointer to the device tree blob + * @nodeoffset: structure block offset of a node + * + * fdt_first_property_offset() finds the first property of the node at + * the given structure block offset. + * + * returns: + * structure block offset of the property (>=0), on success + * -FDT_ERR_NOTFOUND, if the requested node has no properties + * -FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings. + */ +int fdt_first_property_offset(const void *fdt, int nodeoffset); + +/** + * fdt_next_property_offset - step through a node's properties + * @fdt: pointer to the device tree blob + * @offset: structure block offset of a property + * + * fdt_next_property_offset() finds the property immediately after the + * one at the given structure block offset. This will be a property + * of the same node as the given property. + * + * returns: + * structure block offset of the next property (>=0), on success + * -FDT_ERR_NOTFOUND, if the given property is the last in its node + * -FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_PROP tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings. + */ +int fdt_next_property_offset(const void *fdt, int offset); + +/** + * fdt_get_property_by_offset - retrieve the property at a given offset + * @fdt: pointer to the device tree blob + * @offset: offset of the property to retrieve + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * fdt_get_property_by_offset() retrieves a pointer to the + * fdt_property structure within the device tree blob at the given + * offset. If lenp is non-NULL, the length of the property value is + * also returned, in the integer pointed to by lenp. + * + * returns: + * pointer to the structure representing the property + * if lenp is non-NULL, *lenp contains the length of the property + * value (>=0) + * NULL, on error + * if lenp is non-NULL, *lenp contains an error code (<0): + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ +const struct fdt_property *fdt_get_property_by_offset(const void *fdt, + int offset, + int *lenp); + +/** + * fdt_get_property_namelen - find a property based on substring + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to find + * @name: name of the property to find + * @namelen: number of characters of name to consider + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * Identical to fdt_get_property_namelen(), but only examine the first + * namelen characters of name for matching the property name. + */ +const struct fdt_property *fdt_get_property_namelen(const void *fdt, + int nodeoffset, + const char *name, + int namelen, int *lenp); + +/** * fdt_get_property - find a given property in a given node * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to find @@ -380,6 +465,54 @@ static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset, } /** + * fdt_getprop_by_offset - retrieve the value of a property at a given offset + * @fdt: pointer to the device tree blob + * @ffset: offset of the property to read + * @namep: pointer to a string variable (will be overwritten) or NULL + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * fdt_getprop_by_offset() retrieves a pointer to the value of the + * property at structure block offset 'offset' (this will be a pointer + * to within the device blob itself, not a copy of the value). If + * lenp is non-NULL, the length of the property value is also + * returned, in the integer pointed to by lenp. If namep is non-NULL, + * the property's namne will also be returned in the char * pointed to + * by namep (this will be a pointer to within the device tree's string + * block, not a new copy of the name). + * + * returns: + * pointer to the property's value + * if lenp is non-NULL, *lenp contains the length of the property + * value (>=0) + * if namep is non-NULL *namep contiains a pointer to the property + * name. + * NULL, on error + * if lenp is non-NULL, *lenp contains an error code (<0): + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ +const void *fdt_getprop_by_offset(const void *fdt, int offset, + const char **namep, int *lenp); + +/** + * fdt_getprop_namelen - get property value based on substring + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to find + * @name: name of the property to find + * @namelen: number of characters of name to consider + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * Identical to fdt_getprop(), but only examine the first namelen + * characters of name for matching the property name. + */ +const void *fdt_getprop_namelen(const void *fdt, int nodeoffset, + const char *name, int namelen, int *lenp); + +/** * fdt_getprop - retrieve the value of a given property * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to find @@ -429,6 +562,32 @@ static inline void *fdt_getprop_w(void *fdt, int nodeoffset, uint32_t fdt_get_phandle(const void *fdt, int nodeoffset); /** + * fdt_get_alias_namelen - get alias based on substring + * @fdt: pointer to the device tree blob + * @name: name of the alias th look up + * @namelen: number of characters of name to consider + * + * Identical to fdt_get_alias(), but only examine the first namelen + * characters of name for matching the alias name. + */ +const char *fdt_get_alias_namelen(const void *fdt, + const char *name, int namelen); + +/** + * fdt_get_alias - retreive the path referenced by a given alias + * @fdt: pointer to the device tree blob + * @name: name of the alias th look up + * + * fdt_get_alias() retrieves the value of a given alias. That is, the + * value of the property named 'name' in the node /aliases. + * + * returns: + * a pointer to the expansion of the alias named 'name', of it exists + * NULL, if the given alias or the /aliases node does not exist + */ +const char *fdt_get_alias(const void *fdt, const char *name); + +/** * fdt_get_path - determine the full path of a node * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose path to find @@ -693,17 +852,17 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, const void *val, int len); /** - * fdt_setprop_inplace_cell - change the value of a single-cell property + * fdt_setprop_inplace_u32 - change the value of a 32-bit integer property * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to change * @name: name of the property to change - * @val: cell (32-bit integer) value to replace the property with + * @val: 32-bit integer value to replace the property with * - * fdt_setprop_inplace_cell() replaces the value of a given property - * with the 32-bit integer cell value in val, converting val to - * big-endian if necessary. This function cannot change the size of a - * property, and so will only work if the property already exists and - * has length 4. + * fdt_setprop_inplace_u32() replaces the value of a given property + * with the 32-bit integer value in val, converting val to big-endian + * if necessary. This function cannot change the size of a property, + * and so will only work if the property already exists and has length + * 4. * * This function will alter only the bytes in the blob which contain * the given property value, and will not alter or move any other part @@ -712,7 +871,7 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, * returns: * 0, on success * -FDT_ERR_NOSPACE, if the property's length is not equal to 4 - * -FDT_ERR_NOTFOUND, node does not have the named property + * -FDT_ERR_NOTFOUND, node does not have the named property * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag * -FDT_ERR_BADMAGIC, * -FDT_ERR_BADVERSION, @@ -720,14 +879,60 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, * -FDT_ERR_BADSTRUCTURE, * -FDT_ERR_TRUNCATED, standard meanings */ -static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset, - const char *name, uint32_t val) +static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset, + const char *name, uint32_t val) { val = cpu_to_fdt32(val); return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val)); } /** + * fdt_setprop_inplace_u64 - change the value of a 64-bit integer property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: 64-bit integer value to replace the property with + * + * fdt_setprop_inplace_u64() replaces the value of a given property + * with the 64-bit integer value in val, converting val to big-endian + * if necessary. This function cannot change the size of a property, + * and so will only work if the property already exists and has length + * 8. + * + * This function will alter only the bytes in the blob which contain + * the given property value, and will not alter or move any other part + * of the tree. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, if the property's length is not equal to 8 + * -FDT_ERR_NOTFOUND, node does not have the named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ +static inline int fdt_setprop_inplace_u64(void *fdt, int nodeoffset, + const char *name, uint64_t val) +{ + val = cpu_to_fdt64(val); + return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val)); +} + +/** + * fdt_setprop_inplace_cell - change the value of a single-cell property + * + * This is an alternative name for fdt_setprop_inplace_u32() + */ +static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset, + const char *name, uint32_t val) +{ + return fdt_setprop_inplace_u32(fdt, nodeoffset, name, val); +} + +/** * fdt_nop_property - replace a property with nop tags * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to nop @@ -786,11 +991,20 @@ int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size); int fdt_finish_reservemap(void *fdt); int fdt_begin_node(void *fdt, const char *name); int fdt_property(void *fdt, const char *name, const void *val, int len); -static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val) +static inline int fdt_property_u32(void *fdt, const char *name, uint32_t val) { val = cpu_to_fdt32(val); return fdt_property(fdt, name, &val, sizeof(val)); } +static inline int fdt_property_u64(void *fdt, const char *name, uint64_t val) +{ + val = cpu_to_fdt64(val); + return fdt_property(fdt, name, &val, sizeof(val)); +} +static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val) +{ + return fdt_property_u32(fdt, name, val); +} #define fdt_property_string(fdt, name, str) \ fdt_property(fdt, name, str, strlen(str)+1) int fdt_end_node(void *fdt); @@ -800,6 +1014,7 @@ int fdt_finish(void *fdt); /* Read-write functions */ /**********************************************************************/ +int fdt_create_empty_tree(void *buf, int bufsize); int fdt_open_into(const void *fdt, void *buf, int bufsize); int fdt_pack(void *fdt); @@ -909,14 +1124,14 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, const void *val, int len); /** - * fdt_setprop_cell - set a property to a single cell value + * fdt_setprop_u32 - set a property to a 32-bit integer * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to change * @name: name of the property to change * @val: 32-bit integer value for the property (native endian) * - * fdt_setprop_cell() sets the value of the named property in the - * given node to the given cell value (converting to big-endian if + * fdt_setprop_u32() sets the value of the named property in the given + * node to the given 32-bit integer value (converting to big-endian if * necessary), or creates a new property with that value if it does * not already exist. * @@ -936,14 +1151,60 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, * -FDT_ERR_BADLAYOUT, * -FDT_ERR_TRUNCATED, standard meanings */ -static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name, - uint32_t val) +static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name, + uint32_t val) { val = cpu_to_fdt32(val); return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val)); } /** + * fdt_setprop_u64 - set a property to a 64-bit integer + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: 64-bit integer value for the property (native endian) + * + * fdt_setprop_u64() sets the value of the named property in the given + * node to the given 64-bit integer value (converting to big-endian if + * necessary), or creates a new property with that value if it does + * not already exist. + * + * This function may insert or delete data from the blob, and will + * therefore change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ +static inline int fdt_setprop_u64(void *fdt, int nodeoffset, const char *name, + uint64_t val) +{ + val = cpu_to_fdt64(val); + return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val)); +} + +/** + * fdt_setprop_cell - set a property to a single cell value + * + * This is an alternative name for fdt_setprop_u32() + */ +static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name, + uint32_t val) +{ + return fdt_setprop_u32(fdt, nodeoffset, name, val); +} + +/** * fdt_setprop_string - set a property to a string value * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to change @@ -975,6 +1236,147 @@ static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name, fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1) /** + * fdt_appendprop - append to or create a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to append to + * @val: pointer to data to append to the property value + * @len: length of the data to append to the property value + * + * fdt_appendprop() appends the value to the named property in the + * given node, creating the property if it does not already exist. + * + * This function may insert data into the blob, and will therefore + * change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ +int fdt_appendprop(void *fdt, int nodeoffset, const char *name, + const void *val, int len); + +/** + * fdt_appendprop_u32 - append a 32-bit integer value to a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: 32-bit integer value to append to the property (native endian) + * + * fdt_appendprop_u32() appends the given 32-bit integer value + * (converting to big-endian if necessary) to the value of the named + * property in the given node, or creates a new property with that + * value if it does not already exist. + * + * This function may insert data into the blob, and will therefore + * change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ +static inline int fdt_appendprop_u32(void *fdt, int nodeoffset, + const char *name, uint32_t val) +{ + val = cpu_to_fdt32(val); + return fdt_appendprop(fdt, nodeoffset, name, &val, sizeof(val)); +} + +/** + * fdt_appendprop_u64 - append a 64-bit integer value to a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: 64-bit integer value to append to the property (native endian) + * + * fdt_appendprop_u64() appends the given 64-bit integer value + * (converting to big-endian if necessary) to the value of the named + * property in the given node, or creates a new property with that + * value if it does not already exist. + * + * This function may insert data into the blob, and will therefore + * change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ +static inline int fdt_appendprop_u64(void *fdt, int nodeoffset, + const char *name, uint64_t val) +{ + val = cpu_to_fdt64(val); + return fdt_appendprop(fdt, nodeoffset, name, &val, sizeof(val)); +} + +/** + * fdt_appendprop_cell - append a single cell value to a property + * + * This is an alternative name for fdt_appendprop_u32() + */ +static inline int fdt_appendprop_cell(void *fdt, int nodeoffset, + const char *name, uint32_t val) +{ + return fdt_appendprop_u32(fdt, nodeoffset, name, val); +} + +/** + * fdt_appendprop_string - append a string to a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @str: string value to append to the property + * + * fdt_appendprop_string() appends the given string to the value of + * the named property in the given node, or creates a new property + * with that value if it does not already exist. + * + * This function may insert data into the blob, and will therefore + * change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ +#define fdt_appendprop_string(fdt, nodeoffset, name, str) \ + fdt_appendprop((fdt), (nodeoffset), (name), (str), strlen(str)+1) + +/** * fdt_delprop - delete a property * @fdt: pointer to the device tree blob * @nodeoffset: offset of the node whose property to nop diff --git a/scripts/dtc/libfdt/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h index 449bf602daf1..213d7fb81c42 100644 --- a/scripts/dtc/libfdt/libfdt_env.h +++ b/scripts/dtc/libfdt/libfdt_env.h @@ -5,19 +5,25 @@ #include <stdint.h> #include <string.h> -#define _B(n) ((unsigned long long)((uint8_t *)&x)[n]) +#define EXTRACT_BYTE(n) ((unsigned long long)((uint8_t *)&x)[n]) +static inline uint16_t fdt16_to_cpu(uint16_t x) +{ + return (EXTRACT_BYTE(0) << 8) | EXTRACT_BYTE(1); +} +#define cpu_to_fdt16(x) fdt16_to_cpu(x) + static inline uint32_t fdt32_to_cpu(uint32_t x) { - return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3); + return (EXTRACT_BYTE(0) << 24) | (EXTRACT_BYTE(1) << 16) | (EXTRACT_BYTE(2) << 8) | EXTRACT_BYTE(3); } #define cpu_to_fdt32(x) fdt32_to_cpu(x) static inline uint64_t fdt64_to_cpu(uint64_t x) { - return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32) - | (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7); + return (EXTRACT_BYTE(0) << 56) | (EXTRACT_BYTE(1) << 48) | (EXTRACT_BYTE(2) << 40) | (EXTRACT_BYTE(3) << 32) + | (EXTRACT_BYTE(4) << 24) | (EXTRACT_BYTE(5) << 16) | (EXTRACT_BYTE(6) << 8) | EXTRACT_BYTE(7); } #define cpu_to_fdt64(x) fdt64_to_cpu(x) -#undef _B +#undef EXTRACT_BYTE #endif /* _LIBFDT_ENV_H */ diff --git a/scripts/dtc/libfdt/libfdt_internal.h b/scripts/dtc/libfdt/libfdt_internal.h index 46eb93e4af5c..381133ba81df 100644 --- a/scripts/dtc/libfdt/libfdt_internal.h +++ b/scripts/dtc/libfdt/libfdt_internal.h @@ -62,8 +62,8 @@ return err; \ } -uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset); int _fdt_check_node_offset(const void *fdt, int offset); +int _fdt_check_prop_offset(const void *fdt, int offset); const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); int _fdt_node_end_offset(void *fdt, int nodeoffset); diff --git a/scripts/dtc/livetree.c b/scripts/dtc/livetree.c index 26d0e1e60c0c..b61465fb2f33 100644 --- a/scripts/dtc/livetree.c +++ b/scripts/dtc/livetree.c @@ -29,16 +29,27 @@ void add_label(struct label **labels, char *label) struct label *new; /* Make sure the label isn't already there */ - for_each_label(*labels, new) - if (streq(new->label, label)) + for_each_label_withdel(*labels, new) + if (streq(new->label, label)) { + new->deleted = 0; return; + } new = xmalloc(sizeof(*new)); + memset(new, 0, sizeof(*new)); new->label = label; new->next = *labels; *labels = new; } +void delete_labels(struct label **labels) +{ + struct label *label; + + for_each_label(*labels, label) + label->deleted = 1; +} + struct property *build_property(char *name, struct data val) { struct property *new = xmalloc(sizeof(*new)); @@ -51,6 +62,18 @@ struct property *build_property(char *name, struct data val) return new; } +struct property *build_property_delete(char *name) +{ + struct property *new = xmalloc(sizeof(*new)); + + memset(new, 0, sizeof(*new)); + + new->name = name; + new->deleted = 1; + + return new; +} + struct property *chain_property(struct property *first, struct property *list) { assert(first->next == NULL); @@ -91,6 +114,17 @@ struct node *build_node(struct property *proplist, struct node *children) return new; } +struct node *build_node_delete(void) +{ + struct node *new = xmalloc(sizeof(*new)); + + memset(new, 0, sizeof(*new)); + + new->deleted = 1; + + return new; +} + struct node *name_node(struct node *node, char *name) { assert(node->name == NULL); @@ -106,8 +140,10 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node) struct node *new_child, *old_child; struct label *l; + old_node->deleted = 0; + /* Add new node labels to old node */ - for_each_label(new_node->labels, l) + for_each_label_withdel(new_node->labels, l) add_label(&old_node->labels, l->label); /* Move properties from the new node to the old node. If there @@ -118,14 +154,21 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node) new_node->proplist = new_prop->next; new_prop->next = NULL; + if (new_prop->deleted) { + delete_property_by_name(old_node, new_prop->name); + free(new_prop); + continue; + } + /* Look for a collision, set new value if there is */ - for_each_property(old_node, old_prop) { + for_each_property_withdel(old_node, old_prop) { if (streq(old_prop->name, new_prop->name)) { /* Add new labels to old property */ - for_each_label(new_prop->labels, l) + for_each_label_withdel(new_prop->labels, l) add_label(&old_prop->labels, l->label); old_prop->val = new_prop->val; + old_prop->deleted = 0; free(new_prop); new_prop = NULL; break; @@ -146,8 +189,14 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node) new_child->parent = NULL; new_child->next_sibling = NULL; + if (new_child->deleted) { + delete_node_by_name(old_node, new_child->name); + free(new_child); + continue; + } + /* Search for a collision. Merge if there is */ - for_each_child(old_node, old_child) { + for_each_child_withdel(old_node, old_child) { if (streq(old_child->name, new_child->name)) { merge_nodes(old_child, new_child); new_child = NULL; @@ -155,7 +204,7 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node) } } - /* if no collision occurred, add child to the old node. */ + /* if no collision occured, add child to the old node. */ if (new_child) add_child(old_node, new_child); } @@ -188,6 +237,25 @@ void add_property(struct node *node, struct property *prop) *p = prop; } +void delete_property_by_name(struct node *node, char *name) +{ + struct property *prop = node->proplist; + + while (prop) { + if (!strcmp(prop->name, name)) { + delete_property(prop); + return; + } + prop = prop->next; + } +} + +void delete_property(struct property *prop) +{ + prop->deleted = 1; + delete_labels(&prop->labels); +} + void add_child(struct node *parent, struct node *child) { struct node **p; @@ -202,6 +270,32 @@ void add_child(struct node *parent, struct node *child) *p = child; } +void delete_node_by_name(struct node *parent, char *name) +{ + struct node *node = parent->children; + + while (node) { + if (!strcmp(node->name, name)) { + delete_node(node); + return; + } + node = node->next_sibling; + } +} + +void delete_node(struct node *node) +{ + struct property *prop; + struct node *child; + + node->deleted = 1; + for_each_child(node, child) + delete_node(child); + for_each_property(node, prop) + delete_property(prop); + delete_labels(&node->labels); +} + struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size) { struct reserve_info *new = xmalloc(sizeof(*new)); @@ -353,8 +447,11 @@ struct node *get_node_by_path(struct node *tree, const char *path) const char *p; struct node *child; - if (!path || ! (*path)) + if (!path || ! (*path)) { + if (tree->deleted) + return NULL; return tree; + } while (path[0] == '/') path++; @@ -397,8 +494,11 @@ struct node *get_node_by_phandle(struct node *tree, cell_t phandle) assert((phandle != 0) && (phandle != -1)); - if (tree->phandle == phandle) + if (tree->phandle == phandle) { + if (tree->deleted) + return NULL; return tree; + } for_each_child(tree, child) { node = get_node_by_phandle(child, phandle); @@ -535,7 +635,7 @@ static void sort_properties(struct node *node) int n = 0, i = 0; struct property *prop, **tbl; - for_each_property(node, prop) + for_each_property_withdel(node, prop) n++; if (n == 0) @@ -543,7 +643,7 @@ static void sort_properties(struct node *node) tbl = xmalloc(n * sizeof(*tbl)); - for_each_property(node, prop) + for_each_property_withdel(node, prop) tbl[i++] = prop; qsort(tbl, n, sizeof(*tbl), cmp_prop); @@ -571,7 +671,7 @@ static void sort_subnodes(struct node *node) int n = 0, i = 0; struct node *subnode, **tbl; - for_each_child(node, subnode) + for_each_child_withdel(node, subnode) n++; if (n == 0) @@ -579,7 +679,7 @@ static void sort_subnodes(struct node *node) tbl = xmalloc(n * sizeof(*tbl)); - for_each_child(node, subnode) + for_each_child_withdel(node, subnode) tbl[i++] = subnode; qsort(tbl, n, sizeof(*tbl), cmp_subnode); @@ -598,7 +698,7 @@ static void sort_node(struct node *node) sort_properties(node); sort_subnodes(node); - for_each_child(node, c) + for_each_child_withdel(node, c) sort_node(c); } diff --git a/scripts/dtc/srcpos.c b/scripts/dtc/srcpos.c index 36a38e9f1a2c..246ab4bc0d9d 100644 --- a/scripts/dtc/srcpos.c +++ b/scripts/dtc/srcpos.c @@ -24,6 +24,15 @@ #include "dtc.h" #include "srcpos.h" +/* A node in our list of directories to search for source/include files */ +struct search_path { + struct search_path *next; /* next node in list, NULL for end */ + const char *dirname; /* name of directory to search */ +}; + +/* This is the list of directories that we search for source files */ +static struct search_path *search_path_head, **search_path_tail; + static char *dirname(const char *path) { @@ -47,6 +56,64 @@ struct srcfile_state *current_srcfile; /* = NULL */ #define MAX_SRCFILE_DEPTH (100) static int srcfile_depth; /* = 0 */ + +/** + * Try to open a file in a given directory. + * + * If the filename is an absolute path, then dirname is ignored. If it is a + * relative path, then we look in that directory for the file. + * + * @param dirname Directory to look in, or NULL for none + * @param fname Filename to look for + * @param fp Set to NULL if file did not open + * @return allocated filename on success (caller must free), NULL on failure + */ +static char *try_open(const char *dirname, const char *fname, FILE **fp) +{ + char *fullname; + + if (!dirname || fname[0] == '/') + fullname = xstrdup(fname); + else + fullname = join_path(dirname, fname); + + *fp = fopen(fullname, "r"); + if (!*fp) { + free(fullname); + fullname = NULL; + } + + return fullname; +} + +/** + * Open a file for read access + * + * If it is a relative filename, we search the full search path for it. + * + * @param fname Filename to open + * @param fp Returns pointer to opened FILE, or NULL on failure + * @return pointer to allocated filename, which caller must free + */ +static char *fopen_any_on_path(const char *fname, FILE **fp) +{ + const char *cur_dir = NULL; + struct search_path *node; + char *fullname; + + /* Try current directory first */ + assert(fp); + if (current_srcfile) + cur_dir = current_srcfile->dir; + fullname = try_open(cur_dir, fname, fp); + + /* Failing that, try each search path in turn */ + for (node = search_path_head; !*fp && node; node = node->next) + fullname = try_open(node->dirname, fname, fp); + + return fullname; +} + FILE *srcfile_relative_open(const char *fname, char **fullnamep) { FILE *f; @@ -56,13 +123,7 @@ FILE *srcfile_relative_open(const char *fname, char **fullnamep) f = stdin; fullname = xstrdup("<stdin>"); } else { - if (!current_srcfile || !current_srcfile->dir - || (fname[0] == '/')) - fullname = xstrdup(fname); - else - fullname = join_path(current_srcfile->dir, fname); - - f = fopen(fullname, "r"); + fullname = fopen_any_on_path(fname, &f); if (!f) die("Couldn't open \"%s\": %s\n", fname, strerror(errno)); @@ -119,6 +180,23 @@ int srcfile_pop(void) return current_srcfile ? 1 : 0; } +void srcfile_add_search_path(const char *dirname) +{ + struct search_path *node; + + /* Create the node */ + node = xmalloc(sizeof(*node)); + node->next = NULL; + node->dirname = xstrdup(dirname); + + /* Add to the end of our list */ + if (search_path_tail) + *search_path_tail = node; + else + search_path_head = node; + search_path_tail = &node->next; +} + /* * The empty source position. */ @@ -250,3 +328,9 @@ srcpos_warn(struct srcpos *pos, char const *fmt, ...) va_end(va); } + +void srcpos_set_line(char *f, int l) +{ + current_srcfile->name = f; + current_srcfile->lineno = l; +} diff --git a/scripts/dtc/srcpos.h b/scripts/dtc/srcpos.h index ce980cafe588..93a27123c2e9 100644 --- a/scripts/dtc/srcpos.h +++ b/scripts/dtc/srcpos.h @@ -33,10 +33,39 @@ struct srcfile_state { extern FILE *depfile; /* = NULL */ extern struct srcfile_state *current_srcfile; /* = NULL */ +/** + * Open a source file. + * + * If the source file is a relative pathname, then it is searched for in the + * current directory (the directory of the last source file read) and after + * that in the search path. + * + * We work through the search path in order from the first path specified to + * the last. + * + * If the file is not found, then this function does not return, but calls + * die(). + * + * @param fname Filename to search + * @param fullnamep If non-NULL, it is set to the allocated filename of the + * file that was opened. The caller is then responsible + * for freeing the pointer. + * @return pointer to opened FILE + */ FILE *srcfile_relative_open(const char *fname, char **fullnamep); + void srcfile_push(const char *fname); int srcfile_pop(void); +/** + * Add a new directory to the search path for input files + * + * The new path is added at the end of the list. + * + * @param dirname Directory to add + */ +void srcfile_add_search_path(const char *dirname); + struct srcpos { int first_line; int first_column; @@ -84,4 +113,6 @@ extern void srcpos_error(struct srcpos *pos, char const *, ...) extern void srcpos_warn(struct srcpos *pos, char const *, ...) __attribute__((format(printf, 2, 3))); +extern void srcpos_set_line(char *f, int l); + #endif /* _SRCPOS_H_ */ diff --git a/scripts/dtc/treesource.c b/scripts/dtc/treesource.c index c09aafade313..33eeba55fb4d 100644 --- a/scripts/dtc/treesource.c +++ b/scripts/dtc/treesource.c @@ -23,6 +23,7 @@ extern FILE *yyin; extern int yyparse(void); +extern YYLTYPE yylloc; struct boot_info *the_boot_info; int treesource_error; @@ -34,6 +35,7 @@ struct boot_info *dt_from_source(const char *fname) srcfile_push(fname); yyin = current_srcfile->f; + yylloc.file = current_srcfile; if (yyparse() != 0) die("Unable to parse input tree\n"); diff --git a/scripts/dtc/util.c b/scripts/dtc/util.c index d7ac27d2ae15..2422c34e11df 100644 --- a/scripts/dtc/util.c +++ b/scripts/dtc/util.c @@ -1,6 +1,10 @@ /* + * Copyright 2011 The Chromium Authors, All Rights Reserved. * Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc. * + * util_is_printable_string contributed by + * Pantelis Antoniou <pantelis.antoniou AT gmail.com> + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the @@ -17,11 +21,18 @@ * USA */ +#include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> +#include <assert.h> + +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#include "libfdt.h" #include "util.h" char *xstrdup(const char *s) @@ -57,3 +68,264 @@ char *join_path(const char *path, const char *name) memcpy(str+lenp, name, lenn+1); return str; } + +int util_is_printable_string(const void *data, int len) +{ + const char *s = data; + const char *ss; + + /* zero length is not */ + if (len == 0) + return 0; + + /* must terminate with zero */ + if (s[len - 1] != '\0') + return 0; + + ss = s; + while (*s && isprint(*s)) + s++; + + /* not zero, or not done yet */ + if (*s != '\0' || (s + 1 - ss) < len) + return 0; + + return 1; +} + +/* + * Parse a octal encoded character starting at index i in string s. The + * resulting character will be returned and the index i will be updated to + * point at the character directly after the end of the encoding, this may be + * the '\0' terminator of the string. + */ +static char get_oct_char(const char *s, int *i) +{ + char x[4]; + char *endx; + long val; + + x[3] = '\0'; + strncpy(x, s + *i, 3); + + val = strtol(x, &endx, 8); + + assert(endx > x); + + (*i) += endx - x; + return val; +} + +/* + * Parse a hexadecimal encoded character starting at index i in string s. The + * resulting character will be returned and the index i will be updated to + * point at the character directly after the end of the encoding, this may be + * the '\0' terminator of the string. + */ +static char get_hex_char(const char *s, int *i) +{ + char x[3]; + char *endx; + long val; + + x[2] = '\0'; + strncpy(x, s + *i, 2); + + val = strtol(x, &endx, 16); + if (!(endx > x)) + die("\\x used with no following hex digits\n"); + + (*i) += endx - x; + return val; +} + +char get_escape_char(const char *s, int *i) +{ + char c = s[*i]; + int j = *i + 1; + char val; + + assert(c); + switch (c) { + case 'a': + val = '\a'; + break; + case 'b': + val = '\b'; + break; + case 't': + val = '\t'; + break; + case 'n': + val = '\n'; + break; + case 'v': + val = '\v'; + break; + case 'f': + val = '\f'; + break; + case 'r': + val = '\r'; + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + j--; /* need to re-read the first digit as + * part of the octal value */ + val = get_oct_char(s, &j); + break; + case 'x': + val = get_hex_char(s, &j); + break; + default: + val = c; + } + + (*i) = j; + return val; +} + +int utilfdt_read_err(const char *filename, char **buffp) +{ + int fd = 0; /* assume stdin */ + char *buf = NULL; + off_t bufsize = 1024, offset = 0; + int ret = 0; + + *buffp = NULL; + if (strcmp(filename, "-") != 0) { + fd = open(filename, O_RDONLY); + if (fd < 0) + return errno; + } + + /* Loop until we have read everything */ + buf = malloc(bufsize); + do { + /* Expand the buffer to hold the next chunk */ + if (offset == bufsize) { + bufsize *= 2; + buf = realloc(buf, bufsize); + if (!buf) { + ret = ENOMEM; + break; + } + } + + ret = read(fd, &buf[offset], bufsize - offset); + if (ret < 0) { + ret = errno; + break; + } + offset += ret; + } while (ret != 0); + + /* Clean up, including closing stdin; return errno on error */ + close(fd); + if (ret) + free(buf); + else + *buffp = buf; + return ret; +} + +char *utilfdt_read(const char *filename) +{ + char *buff; + int ret = utilfdt_read_err(filename, &buff); + + if (ret) { + fprintf(stderr, "Couldn't open blob from '%s': %s\n", filename, + strerror(ret)); + return NULL; + } + /* Successful read */ + return buff; +} + +int utilfdt_write_err(const char *filename, const void *blob) +{ + int fd = 1; /* assume stdout */ + int totalsize; + int offset; + int ret = 0; + const char *ptr = blob; + + if (strcmp(filename, "-") != 0) { + fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (fd < 0) + return errno; + } + + totalsize = fdt_totalsize(blob); + offset = 0; + + while (offset < totalsize) { + ret = write(fd, ptr + offset, totalsize - offset); + if (ret < 0) { + ret = -errno; + break; + } + offset += ret; + } + /* Close the file/stdin; return errno on error */ + if (fd != 1) + close(fd); + return ret < 0 ? -ret : 0; +} + + +int utilfdt_write(const char *filename, const void *blob) +{ + int ret = utilfdt_write_err(filename, blob); + + if (ret) { + fprintf(stderr, "Couldn't write blob to '%s': %s\n", filename, + strerror(ret)); + } + return ret ? -1 : 0; +} + +int utilfdt_decode_type(const char *fmt, int *type, int *size) +{ + int qualifier = 0; + + if (!*fmt) + return -1; + + /* get the conversion qualifier */ + *size = -1; + if (strchr("hlLb", *fmt)) { + qualifier = *fmt++; + if (qualifier == *fmt) { + switch (*fmt++) { +/* TODO: case 'l': qualifier = 'L'; break;*/ + case 'h': + qualifier = 'b'; + break; + } + } + } + + /* we should now have a type */ + if ((*fmt == '\0') || !strchr("iuxs", *fmt)) + return -1; + + /* convert qualifier (bhL) to byte size */ + if (*fmt != 's') + *size = qualifier == 'b' ? 1 : + qualifier == 'h' ? 2 : + qualifier == 'l' ? 4 : -1; + *type = *fmt++; + + /* that should be it! */ + if (*fmt) + return -1; + return 0; +} diff --git a/scripts/dtc/util.h b/scripts/dtc/util.h index 9cead842c11e..c8eb45d9f04b 100644 --- a/scripts/dtc/util.h +++ b/scripts/dtc/util.h @@ -1,7 +1,10 @@ #ifndef _UTIL_H #define _UTIL_H +#include <stdarg.h> + /* + * Copyright 2011 The Chromium Authors, All Rights Reserved. * Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or @@ -53,4 +56,98 @@ static inline void *xrealloc(void *p, size_t len) extern char *xstrdup(const char *s); extern char *join_path(const char *path, const char *name); +/** + * Check a string of a given length to see if it is all printable and + * has a valid terminator. + * + * @param data The string to check + * @param len The string length including terminator + * @return 1 if a valid printable string, 0 if not */ +int util_is_printable_string(const void *data, int len); + +/* + * Parse an escaped character starting at index i in string s. The resulting + * character will be returned and the index i will be updated to point at the + * character directly after the end of the encoding, this may be the '\0' + * terminator of the string. + */ +char get_escape_char(const char *s, int *i); + +/** + * Read a device tree file into a buffer. This will report any errors on + * stderr. + * + * @param filename The filename to read, or - for stdin + * @return Pointer to allocated buffer containing fdt, or NULL on error + */ +char *utilfdt_read(const char *filename); + +/** + * Read a device tree file into a buffer. Does not report errors, but only + * returns them. The value returned can be passed to strerror() to obtain + * an error message for the user. + * + * @param filename The filename to read, or - for stdin + * @param buffp Returns pointer to buffer containing fdt + * @return 0 if ok, else an errno value representing the error + */ +int utilfdt_read_err(const char *filename, char **buffp); + + +/** + * Write a device tree buffer to a file. This will report any errors on + * stderr. + * + * @param filename The filename to write, or - for stdout + * @param blob Poiner to buffer containing fdt + * @return 0 if ok, -1 on error + */ +int utilfdt_write(const char *filename, const void *blob); + +/** + * Write a device tree buffer to a file. Does not report errors, but only + * returns them. The value returned can be passed to strerror() to obtain + * an error message for the user. + * + * @param filename The filename to write, or - for stdout + * @param blob Poiner to buffer containing fdt + * @return 0 if ok, else an errno value representing the error + */ +int utilfdt_write_err(const char *filename, const void *blob); + +/** + * Decode a data type string. The purpose of this string + * + * The string consists of an optional character followed by the type: + * Modifier characters: + * hh or b 1 byte + * h 2 byte + * l 4 byte, default + * + * Type character: + * s string + * i signed integer + * u unsigned integer + * x hex + * + * TODO: Implement ll modifier (8 bytes) + * TODO: Implement o type (octal) + * + * @param fmt Format string to process + * @param type Returns type found(s/d/u/x), or 0 if none + * @param size Returns size found(1,2,4,8) or 4 if none + * @return 0 if ok, -1 on error (no type given, or other invalid format) + */ +int utilfdt_decode_type(const char *fmt, int *type, int *size); + +/* + * This is a usage message fragment for the -t option. It is the format + * supported by utilfdt_decode_type. + */ + +#define USAGE_TYPE_MSG \ + "<type>\ts=string, i=int, u=unsigned, x=hex\n" \ + "\tOptional modifier prefix:\n" \ + "\t\thh or b=byte, h=2 byte, l=4 byte (default)\n"; + #endif /* _UTIL_H */ diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh index debecb5561c4..7f2126df91f2 100644 --- a/scripts/gcc-version.sh +++ b/scripts/gcc-version.sh @@ -22,10 +22,10 @@ if [ ${#compiler} -eq 0 ]; then exit 1 fi -MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) -MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) +MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1) +MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1) if [ "x$with_patchlevel" != "x" ] ; then - PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) + PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1) printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL else printf "%02d%02d\\n" $MAJOR $MINOR diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh index 29493dc4528d..12dbd0b11ea4 100644 --- a/scripts/gcc-x86_32-has-stack-protector.sh +++ b/scripts/gcc-x86_32-has-stack-protector.sh @@ -1,6 +1,6 @@ #!/bin/sh -echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" if [ "$?" -eq "0" ] ; then echo y else diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh index afaec618b395..973e8c141567 100644 --- a/scripts/gcc-x86_64-has-stack-protector.sh +++ b/scripts/gcc-x86_64-has-stack-protector.sh @@ -1,6 +1,6 @@ #!/bin/sh -echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" if [ "$?" -eq "0" ] ; then echo y else diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl index 48462be328bb..239d22d4207b 100644 --- a/scripts/headers_install.pl +++ b/scripts/headers_install.pl @@ -4,8 +4,7 @@ # user space and copy the files to their destination. # # Usage: headers_install.pl readdir installdir arch [files...] -# readdir: dir to open files -# installdir: dir to install the files +# installdir: dir to install the files to # arch: current architecture # arch is used to force a reinstallation when the arch # changes because kbuild then detect a command line change. @@ -18,15 +17,18 @@ use strict; -my ($readdir, $installdir, $arch, @files) = @ARGV; +my ($installdir, $arch, @files) = @ARGV; my $unifdef = "scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__"; -foreach my $file (@files) { +foreach my $filename (@files) { + my $file = $filename; + $file =~ s!^.*/!!; + my $tmpfile = "$installdir/$file.tmp"; - open(my $in, '<', "$readdir/$file") - or die "$readdir/$file: $!\n"; + open(my $in, '<', $filename) + or die "$filename: $!\n"; open(my $out, '>', $tmpfile) or die "$tmpfile: $!\n"; while (my $line = <$in>) { diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 77d53999ffb9..3091794e9354 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -76,11 +76,17 @@ PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf $< --$@ $(Kconfig) -PHONY += listnewconfig oldnoconfig savedefconfig defconfig +PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig -listnewconfig oldnoconfig: $(obj)/conf +listnewconfig olddefconfig: $(obj)/conf $< --$@ $(Kconfig) +# oldnoconfig is an alias of olddefconfig, because people already are dependent +# on its behavior(sets new symbols to their default value but not 'n') with the +# counter-intuitive name. +oldnoconfig: $(obj)/conf + $< --olddefconfig $(Kconfig) + savedefconfig: $(obj)/conf $< --$@=defconfig $(Kconfig) @@ -114,7 +120,7 @@ help: @echo ' alldefconfig - New config with all symbols set to default' @echo ' randconfig - New config with random answer to all options' @echo ' listnewconfig - List new options' - @echo ' oldnoconfig - Same as silentoldconfig but sets new symbols to their default value' + @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value' # lxdialog stuff check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh diff --git a/scripts/kconfig/check.sh b/scripts/kconfig/check.sh index fa59cbf9d62c..854d9c7c675c 100755 --- a/scripts/kconfig/check.sh +++ b/scripts/kconfig/check.sh @@ -1,6 +1,6 @@ #!/bin/sh # Needed for systems without gettext -$* -xc -o /dev/null - > /dev/null 2>&1 << EOF +$* -x c -o /dev/null - > /dev/null 2>&1 << EOF #include <libintl.h> int main() { diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 0dc4a2c779b1..4da3b4adfad2 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -32,7 +32,7 @@ enum input_mode { defconfig, savedefconfig, listnewconfig, - oldnoconfig, + olddefconfig, } input_mode = oldaskconfig; static int indent = 1; @@ -365,7 +365,7 @@ static void conf(struct menu *menu) case P_MENU: if ((input_mode == silentoldconfig || input_mode == listnewconfig || - input_mode == oldnoconfig) && + input_mode == olddefconfig) && rootEntry != menu) { check_conf(menu); return; @@ -429,7 +429,7 @@ static void check_conf(struct menu *menu) if (sym->name && !sym_is_choice_value(sym)) { printf("%s%s\n", CONFIG_, sym->name); } - } else if (input_mode != oldnoconfig) { + } else if (input_mode != olddefconfig) { if (!conf_cnt++) printf(_("*\n* Restart config...\n*\n")); rootEntry = menu_get_parent_menu(menu); @@ -454,7 +454,13 @@ static struct option long_opts[] = { {"alldefconfig", no_argument, NULL, alldefconfig}, {"randconfig", no_argument, NULL, randconfig}, {"listnewconfig", no_argument, NULL, listnewconfig}, - {"oldnoconfig", no_argument, NULL, oldnoconfig}, + {"olddefconfig", no_argument, NULL, olddefconfig}, + /* + * oldnoconfig is an alias of olddefconfig, because people already + * are dependent on its behavior(sets new symbols to their default + * value but not 'n') with the counter-intuitive name. + */ + {"oldnoconfig", no_argument, NULL, olddefconfig}, {NULL, 0, NULL, 0} }; @@ -467,7 +473,8 @@ static void conf_usage(const char *progname) printf(" --oldaskconfig Start a new configuration using a line-oriented program\n"); printf(" --oldconfig Update a configuration using a provided .config as base\n"); printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n"); - printf(" --oldnoconfig Same as silentoldconfig but set new symbols to no\n"); + printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n"); + printf(" --oldnoconfig An alias of olddefconfig\n"); printf(" --defconfig <file> New config with default defined in <file>\n"); printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n"); printf(" --allnoconfig New config where all options are answered with no\n"); @@ -520,7 +527,7 @@ int main(int ac, char **av) case allmodconfig: case alldefconfig: case listnewconfig: - case oldnoconfig: + case olddefconfig: break; case '?': conf_usage(progname); @@ -565,7 +572,7 @@ int main(int ac, char **av) case oldaskconfig: case oldconfig: case listnewconfig: - case oldnoconfig: + case olddefconfig: conf_read(NULL); break; case allnoconfig: @@ -645,7 +652,7 @@ int main(int ac, char **av) /* fall through */ case oldconfig: case listnewconfig: - case oldnoconfig: + case olddefconfig: case silentoldconfig: /* Update until a loop caused no more changes */ do { @@ -653,7 +660,7 @@ int main(int ac, char **av) check_conf(&rootmenu); } while (conf_cnt && (input_mode != listnewconfig && - input_mode != oldnoconfig)); + input_mode != olddefconfig)); break; } diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index d4ecce8bc3a6..bd2e09895553 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -12,6 +12,7 @@ extern "C" { #include <assert.h> #include <stdio.h> +#include <sys/queue.h> #ifndef __cplusplus #include <stdbool.h> #endif @@ -173,6 +174,16 @@ struct menu { #define MENU_CHANGED 0x0001 #define MENU_ROOT 0x0002 +struct jump_key { + CIRCLEQ_ENTRY(jump_key) entries; + size_t offset; + struct menu *target; + int index; +}; +CIRCLEQ_HEAD(jk_head, jump_key); + +#define JUMP_NB 9 + extern struct file *file_list; extern struct file *current_file; struct file *lookup_file(const char *name); diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h index 47fe9c340f9a..1d1c08537f1e 100644 --- a/scripts/kconfig/lkc_proto.h +++ b/scripts/kconfig/lkc_proto.h @@ -21,8 +21,10 @@ P(menu_get_root_menu,struct menu *,(struct menu *menu)); P(menu_get_parent_menu,struct menu *,(struct menu *menu)); P(menu_has_help,bool,(struct menu *menu)); P(menu_get_help,const char *,(struct menu *menu)); -P(get_symbol_str, void, (struct gstr *r, struct symbol *sym)); -P(get_relations_str, struct gstr, (struct symbol **sym_arr)); +P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head + *head)); +P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head + *head)); P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help)); /* symbol.c */ diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh index e3b12c010417..c8e8a7154753 100644 --- a/scripts/kconfig/lxdialog/check-lxdialog.sh +++ b/scripts/kconfig/lxdialog/check-lxdialog.sh @@ -38,7 +38,7 @@ trap "rm -f $tmp" 0 1 2 3 15 # Check if we can link to ncurses check() { - $cc -xc - -o $tmp 2>/dev/null <<'EOF' + $cc -x c - -o $tmp 2>/dev/null <<'EOF' #include CURSES_LOC main() {} EOF diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h index b5211fce0d94..ee17a5264d5b 100644 --- a/scripts/kconfig/lxdialog/dialog.h +++ b/scripts/kconfig/lxdialog/dialog.h @@ -144,6 +144,7 @@ struct dialog_info { */ extern struct dialog_info dlg; extern char dialog_input_result[]; +extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */ /* * Function prototypes @@ -209,7 +210,13 @@ int first_alpha(const char *string, const char *exempt); int dialog_yesno(const char *title, const char *prompt, int height, int width); int dialog_msgbox(const char *title, const char *prompt, int height, int width, int pause); -int dialog_textbox(const char *title, const char *file, int height, int width); + + +typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void + *_data); +int dialog_textbox(const char *title, char *tbuf, int initial_height, + int initial_width, int *keys, int *_vscroll, int *_hscroll, + update_text_fn update_text, void *data); int dialog_menu(const char *title, const char *prompt, const void *selected, int *s_scroll); int dialog_checklist(const char *title, const char *prompt, int height, diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c index 4e5de60a0c0d..a48bb93e0907 100644 --- a/scripts/kconfig/lxdialog/textbox.c +++ b/scripts/kconfig/lxdialog/textbox.c @@ -22,23 +22,25 @@ #include "dialog.h" static void back_lines(int n); -static void print_page(WINDOW * win, int height, int width); -static void print_line(WINDOW * win, int row, int width); +static void print_page(WINDOW *win, int height, int width, update_text_fn + update_text, void *data); +static void print_line(WINDOW *win, int row, int width); static char *get_line(void); static void print_position(WINDOW * win); static int hscroll; static int begin_reached, end_reached, page_length; -static const char *buf; -static const char *page; +static char *buf; +static char *page; /* * refresh window content */ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw, - int cur_y, int cur_x) + int cur_y, int cur_x, update_text_fn update_text, + void *data) { - print_page(box, boxh, boxw); + print_page(box, boxh, boxw, update_text, data); print_position(dialog); wmove(dialog, cur_y, cur_x); /* Restore cursor position */ wrefresh(dialog); @@ -47,14 +49,18 @@ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw, /* * Display text from a file in a dialog box. + * + * keys is a null-terminated array + * update_text() may not add or remove any '\n' or '\0' in tbuf */ -int dialog_textbox(const char *title, const char *tbuf, - int initial_height, int initial_width) +int dialog_textbox(const char *title, char *tbuf, int initial_height, + int initial_width, int *keys, int *_vscroll, int *_hscroll, + update_text_fn update_text, void *data) { int i, x, y, cur_x, cur_y, key = 0; int height, width, boxh, boxw; - int passed_end; WINDOW *dialog, *box; + bool done = false; begin_reached = 1; end_reached = 0; @@ -63,6 +69,15 @@ int dialog_textbox(const char *title, const char *tbuf, buf = tbuf; page = buf; /* page is pointer to start of page to be displayed */ + if (_vscroll && *_vscroll) { + begin_reached = 0; + + for (i = 0; i < *_vscroll; i++) + get_line(); + } + if (_hscroll) + hscroll = *_hscroll; + do_resize: getmaxyx(stdscr, height, width); if (height < 8 || width < 8) @@ -120,9 +135,10 @@ do_resize: /* Print first page of text */ attr_clear(box, boxh, boxw, dlg.dialog.atr); - refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x); + refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x, update_text, + data); - while ((key != KEY_ESC) && (key != '\n')) { + while (!done) { key = wgetch(dialog); switch (key) { case 'E': /* Exit */ @@ -130,16 +146,17 @@ do_resize: case 'X': case 'x': case 'q': - delwin(box); - delwin(dialog); - return 0; + case '\n': + done = true; + break; case 'g': /* First page */ case KEY_HOME: if (!begin_reached) { begin_reached = 1; page = buf; refresh_text_box(dialog, box, boxh, boxw, - cur_y, cur_x); + cur_y, cur_x, update_text, + data); } break; case 'G': /* Last page */ @@ -149,45 +166,18 @@ do_resize: /* point to last char in buf */ page = buf + strlen(buf); back_lines(boxh); - refresh_text_box(dialog, box, boxh, boxw, - cur_y, cur_x); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case 'K': /* Previous line */ case 'k': case KEY_UP: - if (!begin_reached) { - back_lines(page_length + 1); - - /* We don't call print_page() here but use - * scrolling to ensure faster screen update. - * However, 'end_reached' and 'page_length' - * should still be updated, and 'page' should - * point to start of next page. This is done - * by calling get_line() in the following - * 'for' loop. */ - scrollok(box, TRUE); - wscrl(box, -1); /* Scroll box region down one line */ - scrollok(box, FALSE); - page_length = 0; - passed_end = 0; - for (i = 0; i < boxh; i++) { - if (!i) { - /* print first line of page */ - print_line(box, 0, boxw); - wnoutrefresh(box); - } else - /* Called to update 'end_reached' and 'page' */ - get_line(); - if (!passed_end) - page_length++; - if (end_reached && !passed_end) - passed_end = 1; - } + if (begin_reached) + break; - print_position(dialog); - wmove(dialog, cur_y, cur_x); /* Restore cursor position */ - wrefresh(dialog); - } + back_lines(page_length + 1); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case 'B': /* Previous page */ case 'b': @@ -196,23 +186,18 @@ do_resize: if (begin_reached) break; back_lines(page_length + boxh); - refresh_text_box(dialog, box, boxh, boxw, - cur_y, cur_x); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case 'J': /* Next line */ case 'j': case KEY_DOWN: - if (!end_reached) { - begin_reached = 0; - scrollok(box, TRUE); - scroll(box); /* Scroll box region up one line */ - scrollok(box, FALSE); - print_line(box, boxh - 1, boxw); - wnoutrefresh(box); - print_position(dialog); - wmove(dialog, cur_y, cur_x); /* Restore cursor position */ - wrefresh(dialog); - } + if (end_reached) + break; + + back_lines(page_length - 1); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case KEY_NPAGE: /* Next page */ case ' ': @@ -221,8 +206,8 @@ do_resize: break; begin_reached = 0; - refresh_text_box(dialog, box, boxh, boxw, - cur_y, cur_x); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case '0': /* Beginning of line */ case 'H': /* Scroll left */ @@ -237,8 +222,8 @@ do_resize: hscroll--; /* Reprint current page to scroll horizontally */ back_lines(page_length); - refresh_text_box(dialog, box, boxh, boxw, - cur_y, cur_x); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case 'L': /* Scroll right */ case 'l': @@ -248,11 +233,12 @@ do_resize: hscroll++; /* Reprint current page to scroll horizontally */ back_lines(page_length); - refresh_text_box(dialog, box, boxh, boxw, - cur_y, cur_x); + refresh_text_box(dialog, box, boxh, boxw, cur_y, + cur_x, update_text, data); break; case KEY_ESC: - key = on_key_esc(dialog); + if (on_key_esc(dialog) == KEY_ESC) + done = true; break; case KEY_RESIZE: back_lines(height); @@ -260,11 +246,31 @@ do_resize: delwin(dialog); on_key_resize(); goto do_resize; + default: + for (i = 0; keys[i]; i++) { + if (key == keys[i]) { + done = true; + break; + } + } } } delwin(box); delwin(dialog); - return key; /* ESC pressed */ + if (_vscroll) { + const char *s; + + s = buf; + *_vscroll = 0; + back_lines(page_length); + while (s < page && (s = strchr(s, '\n'))) { + (*_vscroll)++; + s++; + } + } + if (_hscroll) + *_hscroll = hscroll; + return key; } /* @@ -301,12 +307,23 @@ static void back_lines(int n) } /* - * Print a new page of text. Called by dialog_textbox(). + * Print a new page of text. */ -static void print_page(WINDOW * win, int height, int width) +static void print_page(WINDOW *win, int height, int width, update_text_fn + update_text, void *data) { int i, passed_end = 0; + if (update_text) { + char *end; + + for (i = 0; i < height; i++) + get_line(); + end = page; + back_lines(height); + update_text(buf, page - buf, end - buf, data); + } + page_length = 0; for (i = 0; i < height; i++) { print_line(win, i, width); @@ -319,7 +336,7 @@ static void print_page(WINDOW * win, int height, int width) } /* - * Print a new line of text. Called by dialog_textbox() and print_page(). + * Print a new line of text. */ static void print_line(WINDOW * win, int row, int width) { @@ -357,10 +374,8 @@ static char *get_line(void) end_reached = 0; while (*page != '\n') { if (*page == '\0') { - if (!end_reached) { - end_reached = 1; - break; - } + end_reached = 1; + break; } else if (i < MAX_LEN) line[i++] = *(page++); else { @@ -373,7 +388,7 @@ static char *get_line(void) if (i <= MAX_LEN) line[i] = '\0'; if (!end_reached) - page++; /* move pass '\n' */ + page++; /* move past '\n' */ return line; } diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c index f2375ad7ebc9..109d53117d22 100644 --- a/scripts/kconfig/lxdialog/util.c +++ b/scripts/kconfig/lxdialog/util.c @@ -23,6 +23,9 @@ #include "dialog.h" +/* Needed in signal handler in mconf.c */ +int saved_x, saved_y; + struct dialog_info dlg; static void set_mono_theme(void) @@ -273,6 +276,10 @@ int init_dialog(const char *backtitle) int height, width; initscr(); /* Init curses */ + + /* Get current cursor position for signal handler in mconf.c */ + getyx(stdscr, saved_y, saved_x); + getmaxyx(stdscr, height, width); if (height < 19 || width < 80) { endwin(); diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index f584a281bb4c..48f67448af7b 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -236,16 +236,19 @@ search_help[] = N_( "Result:\n" "-----------------------------------------------------------------\n" "Symbol: FOO [=m]\n" + "Type : tristate\n" "Prompt: Foo bus is used to drive the bar HW\n" - "Defined at drivers/pci/Kconfig:47\n" - "Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" - "Location:\n" - " -> Bus options (PCI, PCMCIA, EISA, ISA)\n" - " -> PCI support (PCI [=y])\n" - " -> PCI access mode (<choice> [=y])\n" - "Selects: LIBCRC32\n" - "Selected by: BAR\n" + " Defined at drivers/pci/Kconfig:47\n" + " Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" + " Location:\n" + " -> Bus options (PCI, PCMCIA, EISA, ISA)\n" + " -> PCI support (PCI [=y])\n" + "(1) -> PCI access mode (<choice> [=y])\n" + " Selects: LIBCRC32\n" + " Selected by: BAR\n" "-----------------------------------------------------------------\n" + "o The line 'Type:' shows the type of the configuration option for\n" + " this symbol (boolean, tristate, string, ...)\n" "o The line 'Prompt:' shows the text used in the menu structure for\n" " this symbol\n" "o The 'Defined at' line tell at what file / line number the symbol\n" @@ -254,8 +257,12 @@ search_help[] = N_( " this symbol to be visible in the menu (selectable)\n" "o The 'Location:' lines tell where in the menu structure this symbol\n" " is located\n" - " A location followed by a [=y] indicate that this is a selectable\n" - " menu item - and current value is displayed inside brackets.\n" + " A location followed by a [=y] indicates that this is a\n" + " selectable menu item - and the current value is displayed inside\n" + " brackets.\n" + " Press the key in the (#) prefix to jump directly to that\n" + " location. You will be returned to the current search results\n" + " after exiting this new menu.\n" "o The 'Selects:' line tell what symbol will be automatically\n" " selected if this symbol is selected (y or m)\n" "o The 'Selected by' line tell what symbol has selected this symbol\n" @@ -273,13 +280,15 @@ static struct menu *current_menu; static int child_count; static int single_menu_mode; static int show_all_options; -static int saved_x, saved_y; -static void conf(struct menu *menu); +static void conf(struct menu *menu, struct menu *active_menu); static void conf_choice(struct menu *menu); static void conf_string(struct menu *menu); static void conf_load(void); static void conf_save(void); +static int show_textbox_ext(const char *title, char *text, int r, int c, + int *keys, int *vscroll, int *hscroll, + update_text_fn update_text, void *data); static void show_textbox(const char *title, const char *text, int r, int c); static void show_helptext(const char *title, const char *text); static void show_help(struct menu *menu); @@ -302,12 +311,47 @@ static void set_config_filename(const char *config_filename) } +struct search_data { + struct jk_head *head; + struct menu **targets; + int *keys; +}; + +static void update_text(char *buf, size_t start, size_t end, void *_data) +{ + struct search_data *data = _data; + struct jump_key *pos; + int k = 0; + + CIRCLEQ_FOREACH(pos, data->head, entries) { + if (pos->offset >= start && pos->offset < end) { + char header[4]; + + if (k < JUMP_NB) { + int key = '0' + (pos->index % JUMP_NB) + 1; + + sprintf(header, "(%c)", key); + data->keys[k] = key; + data->targets[k] = pos->target; + k++; + } else { + sprintf(header, " "); + } + + memcpy(buf + pos->offset, header, sizeof(header) - 1); + } + } + data->keys[k] = 0; +} + static void search_conf(void) { struct symbol **sym_arr; struct gstr res; char *dialog_input; - int dres; + int dres, vscroll = 0, hscroll = 0; + bool again; + again: dialog_clear(); dres = dialog_inputbox(_("Search Configuration Parameter"), @@ -330,10 +374,30 @@ again: dialog_input += strlen(CONFIG_); sym_arr = sym_re_search(dialog_input); - res = get_relations_str(sym_arr); + do { + struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head); + struct menu *targets[JUMP_NB]; + int keys[JUMP_NB + 1], i; + struct search_data data = { + .head = &head, + .targets = targets, + .keys = keys, + }; + + res = get_relations_str(sym_arr, &head); + dres = show_textbox_ext(_("Search Results"), (char *) + str_get(&res), 0, 0, keys, &vscroll, + &hscroll, &update_text, (void *) + &data); + again = false; + for (i = 0; i < JUMP_NB && keys[i]; i++) + if (dres == keys[i]) { + conf(targets[i]->parent, targets[i]); + again = true; + } + str_free(&res); + } while (again); free(sym_arr); - show_textbox(_("Search Results"), str_get(&res), 0, 0); - str_free(&res); } static void build_conf(struct menu *menu) @@ -514,12 +578,11 @@ conf_childs: indent -= doint; } -static void conf(struct menu *menu) +static void conf(struct menu *menu, struct menu *active_menu) { struct menu *submenu; const char *prompt = menu_get_prompt(menu); struct symbol *sym; - struct menu *active_menu = NULL; int res; int s_scroll = 0; @@ -562,13 +625,13 @@ static void conf(struct menu *menu) if (single_menu_mode) submenu->data = (void *) (long) !submenu->data; else - conf(submenu); + conf(submenu, NULL); break; case 't': if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) conf_choice(submenu); else if (submenu->prompt->type == P_MENU) - conf(submenu); + conf(submenu, NULL); break; case 's': conf_string(submenu); @@ -607,7 +670,7 @@ static void conf(struct menu *menu) if (item_is_tag('t')) sym_toggle_tristate_value(sym); else if (item_is_tag('m')) - conf(submenu); + conf(submenu, NULL); break; case 7: search_conf(); @@ -619,10 +682,19 @@ static void conf(struct menu *menu) } } -static void show_textbox(const char *title, const char *text, int r, int c) +static int show_textbox_ext(const char *title, char *text, int r, int c, int + *keys, int *vscroll, int *hscroll, update_text_fn + update_text, void *data) { dialog_clear(); - dialog_textbox(title, text, r, c); + return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, + update_text, data); +} + +static void show_textbox(const char *title, const char *text, int r, int c) +{ + show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, + NULL, NULL); } static void show_helptext(const char *title, const char *text) @@ -862,9 +934,6 @@ int main(int ac, char **av) single_menu_mode = 1; } - initscr(); - - getyx(stdscr, saved_y, saved_x); if (init_dialog(NULL)) { fprintf(stderr, N_("Your display is too small to run Menuconfig!\n")); fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n")); @@ -873,7 +942,7 @@ int main(int ac, char **av) set_config_filename(conf_get_configname()); do { - conf(&rootmenu); + conf(&rootmenu, NULL); res = handle_exit(); } while (res == KEY_ESC); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 8c2a97e60faf..a3cade659f89 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -507,10 +507,12 @@ const char *menu_get_help(struct menu *menu) return ""; } -static void get_prompt_str(struct gstr *r, struct property *prop) +static void get_prompt_str(struct gstr *r, struct property *prop, + struct jk_head *head) { int i, j; - struct menu *submenu[8], *menu; + struct menu *submenu[8], *menu, *location = NULL; + struct jump_key *jump; str_printf(r, _("Prompt: %s\n"), _(prop->text)); str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name, @@ -521,13 +523,43 @@ static void get_prompt_str(struct gstr *r, struct property *prop) str_append(r, "\n"); } menu = prop->menu->parent; - for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) + for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) { + bool accessible = menu_is_visible(menu); + submenu[i++] = menu; + if (location == NULL && accessible) + location = menu; + } + if (head && location) { + jump = malloc(sizeof(struct jump_key)); + + if (menu_is_visible(prop->menu)) { + /* + * There is not enough room to put the hint at the + * beginning of the "Prompt" line. Put the hint on the + * last "Location" line even when it would belong on + * the former. + */ + jump->target = prop->menu; + } else + jump->target = location; + + if (CIRCLEQ_EMPTY(head)) + jump->index = 0; + else + jump->index = CIRCLEQ_LAST(head)->index + 1; + + CIRCLEQ_INSERT_TAIL(head, jump, entries); + } + if (i > 0) { str_printf(r, _(" Location:\n")); for (j = 4; --i >= 0; j += 2) { menu = submenu[i]; - str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu))); + if (head && location && menu == location) + jump->offset = r->len - 1; + str_printf(r, "%*c-> %s", j, ' ', + _(menu_get_prompt(menu))); if (menu->sym) { str_printf(r, " (%s [=%s])", menu->sym->name ? menu->sym->name : _("<choice>"), @@ -538,7 +570,10 @@ static void get_prompt_str(struct gstr *r, struct property *prop) } } -void get_symbol_str(struct gstr *r, struct symbol *sym) +/* + * head is optional and may be NULL + */ +void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head) { bool hit; struct property *prop; @@ -557,7 +592,7 @@ void get_symbol_str(struct gstr *r, struct symbol *sym) } } for_all_prompts(sym, prop) - get_prompt_str(r, prop); + get_prompt_str(r, prop, head); hit = false; for_all_properties(sym, prop, P_SELECT) { if (!hit) { @@ -577,14 +612,14 @@ void get_symbol_str(struct gstr *r, struct symbol *sym) str_append(r, "\n\n"); } -struct gstr get_relations_str(struct symbol **sym_arr) +struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head) { struct symbol *sym; struct gstr res = str_new(); int i; for (i = 0; sym_arr && (sym = sym_arr[i]); i++) - get_symbol_str(&res, sym); + get_symbol_str(&res, sym, head); if (!i) str_append(&res, _("No matches found.\n")); return res; @@ -603,5 +638,5 @@ void menu_get_ext_help(struct menu *menu, struct gstr *help) } str_printf(help, "%s\n", _(help_text)); if (sym) - get_symbol_str(help, sym); + get_symbol_str(help, sym, NULL); } diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c index 1704a8562a5d..87d4b15da951 100644 --- a/scripts/kconfig/nconf.c +++ b/scripts/kconfig/nconf.c @@ -721,7 +721,7 @@ again: dialog_input += strlen(CONFIG_); sym_arr = sym_re_search(dialog_input); - res = get_relations_str(sym_arr); + res = get_relations_str(sym_arr, NULL); free(sym_arr); show_scroll_win(main_window, _("Search Results"), str_get(&res)); diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index 2fbbbc1ddea0..33689396953a 100644 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -100,7 +100,7 @@ my @searchconfigs = ( }, ); -sub find_config { +sub read_config { foreach my $conf (@searchconfigs) { my $file = $conf->{"file"}; @@ -115,17 +115,15 @@ sub find_config { print STDERR "using config: '$file'\n"; - open(CIN, "$exec $file |") || die "Failed to run $exec $file"; - return; + open(my $infile, '-|', "$exec $file") || die "Failed to run $exec $file"; + my @x = <$infile>; + close $infile; + return @x; } die "No config file found"; } -find_config; - -# Read in the entire config file into config_file -my @config_file = <CIN>; -close CIN; +my @config_file = read_config; # Parse options my $localmodconfig = 0; @@ -135,7 +133,7 @@ GetOptions("localmodconfig" => \$localmodconfig, "localyesconfig" => \$localyesconfig); # Get the build source and top level Kconfig file (passed in) -my $ksource = $ARGV[0]; +my $ksource = ($ARGV[0] ? $ARGV[0] : '.'); my $kconfig = $ARGV[1]; my $lsmod_file = $ENV{'LSMOD'}; @@ -173,8 +171,8 @@ sub read_kconfig { $source =~ s/\$$env/$ENV{$env}/; } - open(KIN, "$source") || die "Can't open $kconfig"; - while (<KIN>) { + open(my $kinfile, '<', $source) || die "Can't open $kconfig"; + while (<$kinfile>) { chomp; # Make sure that lines ending with \ continue @@ -251,10 +249,10 @@ sub read_kconfig { $state = "NONE"; } } - close(KIN); + close($kinfile); # read in any configs that were found. - foreach $kconfig (@kconfigs) { + foreach my $kconfig (@kconfigs) { if (!defined($read_kconfigs{$kconfig})) { $read_kconfigs{$kconfig} = 1; read_kconfig($kconfig); @@ -295,8 +293,8 @@ foreach my $makefile (@makefiles) { my $line = ""; my %make_vars; - open(MIN,$makefile) || die "Can't open $makefile"; - while (<MIN>) { + open(my $infile, '<', $makefile) || die "Can't open $makefile"; + while (<$infile>) { # if this line ends with a backslash, continue chomp; if (/^(.*)\\$/) { @@ -343,10 +341,11 @@ foreach my $makefile (@makefiles) { } } } - close(MIN); + close($infile); } my %modules; +my $linfile; if (defined($lsmod_file)) { if ( ! -f $lsmod_file) { @@ -356,13 +355,10 @@ if (defined($lsmod_file)) { die "$lsmod_file not found"; } } - if ( -x $lsmod_file) { - # the file is executable, run it - open(LIN, "$lsmod_file|"); - } else { - # Just read the contents - open(LIN, "$lsmod_file"); - } + + my $otype = ( -x $lsmod_file) ? '-|' : '<'; + open($linfile, $otype, $lsmod_file); + } else { # see what modules are loaded on this system @@ -379,16 +375,16 @@ if (defined($lsmod_file)) { $lsmod = "lsmod"; } - open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod"; + open($linfile, '-|', $lsmod) || die "Can not call lsmod with $lsmod"; } -while (<LIN>) { +while (<$linfile>) { next if (/^Module/); # Skip the first line. if (/^(\S+)/) { $modules{$1} = 1; } } -close (LIN); +close ($linfile); # add to the configs hash all configs that are needed to enable # a loaded module. This is a direct obj-${CONFIG_FOO} += bar.o @@ -605,6 +601,8 @@ foreach my $line (@config_file) { if (defined($configs{$1})) { if ($localyesconfig) { $setconfigs{$1} = 'y'; + print "$1=y\n"; + next; } else { $setconfigs{$1} = $2; } diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 8fd107a3fac4..46e7aff80d1a 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -6,6 +6,7 @@ use strict; ## Copyright (C) 2000, 1 Tim Waugh <twaugh@redhat.com> ## ## Copyright (C) 2001 Simon Huggins ## ## Copyright (C) 2005-2012 Randy Dunlap ## +## Copyright (C) 2012 Dan Luedtke ## ## ## ## #define enhancements by Armin Kuster <akuster@mvista.com> ## ## Copyright (c) 2000 MontaVista Software, Inc. ## @@ -35,6 +36,8 @@ use strict; # Small fixes (like spaces vs. \s in regex) # -- Tim Jansen <tim@tjansen.de> +# 25/07/2012 - Added support for HTML5 +# -- Dan Luedtke <mail@danrl.de> # # This will read a 'c' file and scan for embedded comments in the @@ -44,12 +47,16 @@ use strict; # Note: This only supports 'c'. # usage: -# kernel-doc [ -docbook | -html | -text | -man | -list ] [ -no-doc-sections ] -# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfile +# kernel-doc [ -docbook | -html | -html5 | -text | -man | -list ] +# [ -no-doc-sections ] +# [ -function funcname [ -function funcname ...] ] +# c file(s)s > outputfile # or -# [ -nofunction funcname [ -function funcname ...] ] c file(s)s > outputfile +# [ -nofunction funcname [ -function funcname ...] ] +# c file(s)s > outputfile # -# Set output format using one of -docbook -html -text or -man. Default is man. +# Set output format using one of -docbook -html -html5 -text or -man. +# Default is man. # The -list format is for internal use by docproc. # # -no-doc-sections @@ -182,6 +189,14 @@ my $local_lt = "\\\\\\\\lt:"; my $local_gt = "\\\\\\\\gt:"; my $blankline_html = $local_lt . "p" . $local_gt; # was "<p>" +# html version 5 +my %highlights_html5 = ( $type_constant, "<span class=\"const\">\$1</span>", + $type_func, "<span class=\"func\">\$1</span>", + $type_struct_xml, "<span class=\"struct\">\$1</span>", + $type_env, "<span class=\"env\">\$1</span>", + $type_param, "<span class=\"param\">\$1</span>" ); +my $blankline_html5 = $local_lt . "br /" . $local_gt; + # XML, docbook format my %highlights_xml = ( "([^=])\\\"([^\\\"<]+)\\\"", "\$1<quote>\$2</quote>", $type_constant, "<constant>\$1</constant>", @@ -230,6 +245,7 @@ my $dohighlight = ""; my $verbose = 0; my $output_mode = "man"; +my $output_preformatted = 0; my $no_doc_sections = 0; my %highlights = %highlights_man; my $blankline = $blankline_man; @@ -280,9 +296,10 @@ my $doc_special = "\@\%\$\&"; my $doc_start = '^/\*\*\s*$'; # Allow whitespace at end of comment start. my $doc_end = '\*/'; my $doc_com = '\s*\*\s*'; +my $doc_com_body = '\s*\* ?'; my $doc_decl = $doc_com . '(\w+)'; my $doc_sect = $doc_com . '([' . $doc_special . ']?[\w\s]+):(.*)'; -my $doc_content = $doc_com . '(.*)'; +my $doc_content = $doc_com_body . '(.*)'; my $doc_block = $doc_com . 'DOC:\s*(.*)?'; my %constants; @@ -309,6 +326,10 @@ while ($ARGV[0] =~ m/^-(.*)/) { $output_mode = "html"; %highlights = %highlights_html; $blankline = $blankline_html; + } elsif ($cmd eq "-html5") { + $output_mode = "html5"; + %highlights = %highlights_html5; + $blankline = $blankline_html5; } elsif ($cmd eq "-man") { $output_mode = "man"; %highlights = %highlights_man; @@ -351,10 +372,11 @@ while ($ARGV[0] =~ m/^-(.*)/) { # continue execution near EOF; sub usage { - print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -list ]\n"; + print "Usage: $0 [ -docbook | -html | -html5 | -text | -man | -list ]\n"; print " [ -no-doc-sections ]\n"; print " [ -function funcname [ -function funcname ...] ]\n"; print " [ -nofunction funcname [ -nofunction funcname ...] ]\n"; + print " [ -v ]\n"; print " c source file(s) > outputfile\n"; print " -v : verbose output, more warnings & other info listed\n"; exit 1; @@ -448,7 +470,8 @@ sub output_highlight { # confess "output_highlight got called with no args?\n"; # } - if ($output_mode eq "html" || $output_mode eq "xml") { + if ($output_mode eq "html" || $output_mode eq "html5" || + $output_mode eq "xml") { $contents = local_unescape($contents); # convert data read & converted thru xml_escape() into &xyz; format: $contents =~ s/\\\\\\/\&/g; @@ -458,9 +481,19 @@ sub output_highlight { die $@ if $@; # print STDERR "contents af:$contents\n"; +# strip whitespaces when generating html5 + if ($output_mode eq "html5") { + $contents =~ s/^\s+//; + $contents =~ s/\s+$//; + } foreach $line (split "\n", $contents) { + if (! $output_preformatted) { + $line =~ s/^\s*//; + } if ($line eq ""){ - print $lineprefix, local_unescape($blankline); + if (! $output_preformatted) { + print $lineprefix, local_unescape($blankline); + } } else { $line =~ s/\\\\\\/\&/g; if ($output_mode eq "man" && substr($line, 0, 1) eq ".") { @@ -473,7 +506,7 @@ sub output_highlight { } } -#output sections in html +# output sections in html sub output_section_html(%) { my %args = %{$_[0]}; my $section; @@ -633,6 +666,239 @@ sub output_blockhead_html(%) { print "<hr>\n"; } +# output sections in html5 +sub output_section_html5(%) { + my %args = %{$_[0]}; + my $section; + + foreach $section (@{$args{'sectionlist'}}) { + print "<section>\n"; + print "<h1>$section</h1>\n"; + print "<p>\n"; + output_highlight($args{'sections'}{$section}); + print "</p>\n"; + print "</section>\n"; + } +} + +# output enum in html5 +sub output_enum_html5(%) { + my %args = %{$_[0]}; + my ($parameter); + my $count; + my $html5id; + + $html5id = $args{'enum'}; + $html5id =~ s/[^a-zA-Z0-9\-]+/_/g; + print "<article class=\"enum\" id=\"enum:". $html5id . "\">"; + print "<h1>enum " . $args{'enum'} . "</h1>\n"; + print "<ol class=\"code\">\n"; + print "<li>"; + print "<span class=\"keyword\">enum</span> "; + print "<span class=\"identifier\">" . $args{'enum'} . "</span> {"; + print "</li>\n"; + $count = 0; + foreach $parameter (@{$args{'parameterlist'}}) { + print "<li class=\"indent\">"; + print "<span class=\"param\">" . $parameter . "</span>"; + if ($count != $#{$args{'parameterlist'}}) { + $count++; + print ","; + } + print "</li>\n"; + } + print "<li>};</li>\n"; + print "</ol>\n"; + + print "<section>\n"; + print "<h1>Constants</h1>\n"; + print "<dl>\n"; + foreach $parameter (@{$args{'parameterlist'}}) { + print "<dt>" . $parameter . "</dt>\n"; + print "<dd>"; + output_highlight($args{'parameterdescs'}{$parameter}); + print "</dd>\n"; + } + print "</dl>\n"; + print "</section>\n"; + output_section_html5(@_); + print "</article>\n"; +} + +# output typedef in html5 +sub output_typedef_html5(%) { + my %args = %{$_[0]}; + my ($parameter); + my $count; + my $html5id; + + $html5id = $args{'typedef'}; + $html5id =~ s/[^a-zA-Z0-9\-]+/_/g; + print "<article class=\"typedef\" id=\"typedef:" . $html5id . "\">\n"; + print "<h1>typedef " . $args{'typedef'} . "</h1>\n"; + + print "<ol class=\"code\">\n"; + print "<li>"; + print "<span class=\"keyword\">typedef</span> "; + print "<span class=\"identifier\">" . $args{'typedef'} . "</span>"; + print "</li>\n"; + print "</ol>\n"; + output_section_html5(@_); + print "</article>\n"; +} + +# output struct in html5 +sub output_struct_html5(%) { + my %args = %{$_[0]}; + my ($parameter); + my $html5id; + + $html5id = $args{'struct'}; + $html5id =~ s/[^a-zA-Z0-9\-]+/_/g; + print "<article class=\"struct\" id=\"struct:" . $html5id . "\">\n"; + print "<hgroup>\n"; + print "<h1>" . $args{'type'} . " " . $args{'struct'} . "</h1>"; + print "<h2>". $args{'purpose'} . "</h2>\n"; + print "</hgroup>\n"; + print "<ol class=\"code\">\n"; + print "<li>"; + print "<span class=\"type\">" . $args{'type'} . "</span> "; + print "<span class=\"identifier\">" . $args{'struct'} . "</span> {"; + print "</li>\n"; + foreach $parameter (@{$args{'parameterlist'}}) { + print "<li class=\"indent\">"; + if ($parameter =~ /^#/) { + print "<span class=\"param\">" . $parameter ."</span>\n"; + print "</li>\n"; + next; + } + my $parameter_name = $parameter; + $parameter_name =~ s/\[.*//; + + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + $type = $args{'parametertypes'}{$parameter}; + if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { + # pointer-to-function + print "<span class=\"type\">$1</span> "; + print "<span class=\"param\">$parameter</span>"; + print "<span class=\"type\">)</span> "; + print "(<span class=\"args\">$2</span>);"; + } elsif ($type =~ m/^(.*?)\s*(:.*)/) { + # bitfield + print "<span class=\"type\">$1</span> "; + print "<span class=\"param\">$parameter</span>"; + print "<span class=\"bits\">$2</span>;"; + } else { + print "<span class=\"type\">$type</span> "; + print "<span class=\"param\">$parameter</span>;"; + } + print "</li>\n"; + } + print "<li>};</li>\n"; + print "</ol>\n"; + + print "<section>\n"; + print "<h1>Members</h1>\n"; + print "<dl>\n"; + foreach $parameter (@{$args{'parameterlist'}}) { + ($parameter =~ /^#/) && next; + + my $parameter_name = $parameter; + $parameter_name =~ s/\[.*//; + + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + print "<dt>" . $parameter . "</dt>\n"; + print "<dd>"; + output_highlight($args{'parameterdescs'}{$parameter_name}); + print "</dd>\n"; + } + print "</dl>\n"; + print "</section>\n"; + output_section_html5(@_); + print "</article>\n"; +} + +# output function in html5 +sub output_function_html5(%) { + my %args = %{$_[0]}; + my ($parameter, $section); + my $count; + my $html5id; + + $html5id = $args{'function'}; + $html5id =~ s/[^a-zA-Z0-9\-]+/_/g; + print "<article class=\"function\" id=\"func:". $html5id . "\">\n"; + print "<hgroup>\n"; + print "<h1>" . $args{'function'} . "</h1>"; + print "<h2>" . $args{'purpose'} . "</h2>\n"; + print "</hgroup>\n"; + print "<ol class=\"code\">\n"; + print "<li>"; + print "<span class=\"type\">" . $args{'functiontype'} . "</span> "; + print "<span class=\"identifier\">" . $args{'function'} . "</span> ("; + print "</li>"; + $count = 0; + foreach $parameter (@{$args{'parameterlist'}}) { + print "<li class=\"indent\">"; + $type = $args{'parametertypes'}{$parameter}; + if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { + # pointer-to-function + print "<span class=\"type\">$1</span> "; + print "<span class=\"param\">$parameter</span>"; + print "<span class=\"type\">)</span> "; + print "(<span class=\"args\">$2</span>)"; + } else { + print "<span class=\"type\">$type</span> "; + print "<span class=\"param\">$parameter</span>"; + } + if ($count != $#{$args{'parameterlist'}}) { + $count++; + print ","; + } + print "</li>\n"; + } + print "<li>)</li>\n"; + print "</ol>\n"; + + print "<section>\n"; + print "<h1>Arguments</h1>\n"; + print "<p>\n"; + print "<dl>\n"; + foreach $parameter (@{$args{'parameterlist'}}) { + my $parameter_name = $parameter; + $parameter_name =~ s/\[.*//; + + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + print "<dt>" . $parameter . "</dt>\n"; + print "<dd>"; + output_highlight($args{'parameterdescs'}{$parameter_name}); + print "</dd>\n"; + } + print "</dl>\n"; + print "</section>\n"; + output_section_html5(@_); + print "</article>\n"; +} + +# output DOC: block header in html5 +sub output_blockhead_html5(%) { + my %args = %{$_[0]}; + my ($parameter, $section); + my $count; + my $html5id; + + foreach $section (@{$args{'sectionlist'}}) { + $html5id = $section; + $html5id =~ s/[^a-zA-Z0-9\-]+/_/g; + print "<article class=\"doc\" id=\"doc:". $html5id . "\">\n"; + print "<h1>$section</h1>\n"; + print "<p>\n"; + output_highlight($args{'sections'}{$section}); + print "</p>\n"; + } + print "</article>\n"; +} + sub output_section_xml(%) { my %args = %{$_[0]}; my $section; @@ -643,10 +909,12 @@ sub output_section_xml(%) { print "<title>$section</title>\n"; if ($section =~ m/EXAMPLE/i) { print "<informalexample><programlisting>\n"; + $output_preformatted = 1; } else { print "<para>\n"; } output_highlight($args{'sections'}{$section}); + $output_preformatted = 0; if ($section =~ m/EXAMPLE/i) { print "</programlisting></informalexample>\n"; } else { @@ -949,10 +1217,12 @@ sub output_blockhead_xml(%) { } if ($section =~ m/EXAMPLE/i) { print "<example><para>\n"; + $output_preformatted = 1; } else { print "<para>\n"; } output_highlight($args{'sections'}{$section}); + $output_preformatted = 0; if ($section =~ m/EXAMPLE/i) { print "</para></example>\n"; } else { @@ -1028,10 +1298,12 @@ sub output_function_gnome { print "<simplesect>\n <title>$section</title>\n"; if ($section =~ m/EXAMPLE/i) { print "<example><programlisting>\n"; + $output_preformatted = 1; } else { } print "<para>\n"; output_highlight($args{'sections'}{$section}); + $output_preformatted = 0; print "</para>\n"; if ($section =~ m/EXAMPLE/i) { print "</programlisting></example>\n"; @@ -2046,6 +2318,9 @@ sub process_file($) { $section_counter = 0; while (<IN>) { + while (s/\\\s*$//) { + $_ .= <IN>; + } if ($state == 0) { if (/$doc_start/o) { $state = 1; # next line is always the function name @@ -2073,7 +2348,7 @@ sub process_file($) { $descr= $1; $descr =~ s/^\s*//; $descr =~ s/\s*$//; - $descr =~ s/\s+/ /; + $descr =~ s/\s+/ /g; $declaration_purpose = xml_escape($descr); $in_purpose = 1; } else { @@ -2165,6 +2440,7 @@ sub process_file($) { # Continued declaration purpose chomp($declaration_purpose); $declaration_purpose .= " " . xml_escape($1); + $declaration_purpose =~ s/\s+/ /g; } else { $contents .= $1 . "\n"; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 7ed6864ef65b..df4fc23dd836 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -966,6 +966,21 @@ static int do_isapnp_entry(const char *filename, } ADD_TO_DEVTABLE("isapnp", struct isapnp_device_id, do_isapnp_entry); +/* Looks like: "ipack:fNvNdN". */ +static int do_ipack_entry(const char *filename, + struct ipack_device_id *id, char *alias) +{ + id->vendor = TO_NATIVE(id->vendor); + id->device = TO_NATIVE(id->device); + strcpy(alias, "ipack:"); + ADD(alias, "f", id->format != IPACK_ANY_FORMAT, id->format); + ADD(alias, "v", id->vendor != IPACK_ANY_ID, id->vendor); + ADD(alias, "d", id->device != IPACK_ANY_ID, id->device); + add_wildcard(alias); + return 1; +} +ADD_TO_DEVTABLE("ipack", struct ipack_device_id, do_ipack_entry); + /* * Append a match expression for a single masked hex digit. * outp points to a pointer to the character at which to append. diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 68e9f5ed0a6f..0d93856a03f4 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -821,12 +821,15 @@ static const char *section_white_list[] = ".debug*", ".zdebug*", /* Compressed debug sections. */ ".GCC-command-line", /* mn10300 */ + ".GCC.command.line", /* record-gcc-switches, non mn10300 */ ".mdebug*", /* alpha, score, mips etc. */ ".pdr", /* alpha, score, mips etc. */ ".stab*", ".note*", ".got*", ".toc*", + ".xt.prop", /* xtensa */ + ".xt.lit", /* xtensa */ NULL }; diff --git a/scripts/package/buildtar b/scripts/package/buildtar index 8a7b15598ea9..62d8234f8787 100644 --- a/scripts/package/buildtar +++ b/scripts/package/buildtar @@ -28,15 +28,15 @@ case "${1}" in file_ext="" ;; targz-pkg) - compress="gzip -c9" + compress="gzip" file_ext=".gz" ;; tarbz2-pkg) - compress="bzip2 -c9" + compress="bzip2" file_ext=".bz2" ;; tarxz-pkg) - compress="xz -c9" + compress="xz" file_ext=".xz" ;; *) @@ -109,7 +109,7 @@ esac if tar --owner=root --group=root --help >/dev/null 2>&1; then opts="--owner=root --group=root" fi - tar cf - . $opts | ${compress} > "${tarball}${file_ext}" + tar cf - boot/* lib/* $opts | ${compress} > "${tarball}${file_ext}" ) echo "Tarball successfully created in ${tarball}${file_ext}" diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h index 54e35c1e5948..9d1421e63ff8 100644 --- a/scripts/recordmcount.h +++ b/scripts/recordmcount.h @@ -261,11 +261,13 @@ static unsigned get_mcountsym(Elf_Sym const *const sym0, &sym0[Elf_r_sym(relp)]; char const *symname = &str0[w(symp->st_name)]; char const *mcount = gpfx == '_' ? "_mcount" : "mcount"; + char const *fentry = "__fentry__"; if (symname[0] == '.') ++symname; /* ppc64 hack */ if (strcmp(mcount, symname) == 0 || - (altmcount && strcmp(altmcount, symname) == 0)) + (altmcount && strcmp(altmcount, symname) == 0) || + (strcmp(fentry, symname) == 0)) mcountsym = Elf_r_sym(relp); return mcountsym; diff --git a/scripts/sign-file b/scripts/sign-file new file mode 100755 index 000000000000..87ca59d36e7e --- /dev/null +++ b/scripts/sign-file @@ -0,0 +1,429 @@ +#!/usr/bin/perl -w +# +# Sign a module file using the given key. +# +# Format: +# +# ./scripts/sign-file [-v] <key> <x509> <module> [<dest>] +# +# +use strict; +use FileHandle; +use IPC::Open2; + +my $verbose = 0; +if ($#ARGV >= 0 && $ARGV[0] eq "-v") { + $verbose = 1; + shift; +} + +die "Format: ./scripts/sign-file [-v] <key> <x509> <module> [<dest>]\n" + if ($#ARGV != 2 && $#ARGV != 3); + +my $private_key = $ARGV[0]; +my $x509 = $ARGV[1]; +my $module = $ARGV[2]; +my $dest = ($#ARGV == 3) ? $ARGV[3] : $ARGV[2] . "~"; + +die "Can't read private key\n" unless (-r $private_key); +die "Can't read X.509 certificate\n" unless (-r $x509); +die "Can't read module\n" unless (-r $module); + +# +# Read the kernel configuration +# +my %config = ( + CONFIG_MODULE_SIG_SHA512 => 1 + ); + +if (-r ".config") { + open(FD, "<.config") || die ".config"; + while (<FD>) { + if ($_ =~ /^(CONFIG_.*)=[ym]/) { + $config{$1} = 1; + } + } + close(FD); +} + +# +# Function to read the contents of a file into a variable. +# +sub read_file($) +{ + my ($file) = @_; + my $contents; + my $len; + + open(FD, "<$file") || die $file; + binmode FD; + my @st = stat(FD); + die $file if (!@st); + $len = read(FD, $contents, $st[7]) || die $file; + close(FD) || die $file; + die "$file: Wanted length ", $st[7], ", got ", $len, "\n" + if ($len != $st[7]); + return $contents; +} + +############################################################################### +# +# First of all, we have to parse the X.509 certificate to find certain details +# about it. +# +# We read the DER-encoded X509 certificate and parse it to extract the Subject +# name and Subject Key Identifier. Theis provides the data we need to build +# the certificate identifier. +# +# The signer's name part of the identifier is fabricated from the commonName, +# the organizationName or the emailAddress components of the X.509 subject +# name. +# +# The subject key ID is used to select which of that signer's certificates +# we're intending to use to sign the module. +# +############################################################################### +my $x509_certificate = read_file($x509); + +my $UNIV = 0 << 6; +my $APPL = 1 << 6; +my $CONT = 2 << 6; +my $PRIV = 3 << 6; + +my $CONS = 0x20; + +my $BOOLEAN = 0x01; +my $INTEGER = 0x02; +my $BIT_STRING = 0x03; +my $OCTET_STRING = 0x04; +my $NULL = 0x05; +my $OBJ_ID = 0x06; +my $UTF8String = 0x0c; +my $SEQUENCE = 0x10; +my $SET = 0x11; +my $UTCTime = 0x17; +my $GeneralizedTime = 0x18; + +my %OIDs = ( + pack("CCC", 85, 4, 3) => "commonName", + pack("CCC", 85, 4, 6) => "countryName", + pack("CCC", 85, 4, 10) => "organizationName", + pack("CCC", 85, 4, 11) => "organizationUnitName", + pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 1, 1) => "rsaEncryption", + pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 1, 5) => "sha1WithRSAEncryption", + pack("CCCCCCCCC", 42, 134, 72, 134, 247, 13, 1, 9, 1) => "emailAddress", + pack("CCC", 85, 29, 35) => "authorityKeyIdentifier", + pack("CCC", 85, 29, 14) => "subjectKeyIdentifier", + pack("CCC", 85, 29, 19) => "basicConstraints" +); + +############################################################################### +# +# Extract an ASN.1 element from a string and return information about it. +# +############################################################################### +sub asn1_extract($$@) +{ + my ($cursor, $expected_tag, $optional) = @_; + + return [ -1 ] + if ($cursor->[1] == 0 && $optional); + + die $x509, ": ", $cursor->[0], ": ASN.1 data underrun (elem ", $cursor->[1], ")\n" + if ($cursor->[1] < 2); + + my ($tag, $len) = unpack("CC", substr(${$cursor->[2]}, $cursor->[0], 2)); + + if ($expected_tag != -1 && $tag != $expected_tag) { + return [ -1 ] + if ($optional); + die $x509, ": ", $cursor->[0], ": ASN.1 unexpected tag (", $tag, + " not ", $expected_tag, ")\n"; + } + + $cursor->[0] += 2; + $cursor->[1] -= 2; + + die $x509, ": ", $cursor->[0], ": ASN.1 long tag\n" + if (($tag & 0x1f) == 0x1f); + die $x509, ": ", $cursor->[0], ": ASN.1 indefinite length\n" + if ($len == 0x80); + + if ($len > 0x80) { + my $l = $len - 0x80; + die $x509, ": ", $cursor->[0], ": ASN.1 data underrun (len len $l)\n" + if ($cursor->[1] < $l); + + if ($l == 0x1) { + $len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1)); + } elsif ($l = 0x2) { + $len = unpack("n", substr(${$cursor->[2]}, $cursor->[0], 2)); + } elsif ($l = 0x3) { + $len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1)) << 16; + $len = unpack("n", substr(${$cursor->[2]}, $cursor->[0] + 1, 2)); + } elsif ($l = 0x4) { + $len = unpack("N", substr(${$cursor->[2]}, $cursor->[0], 4)); + } else { + die $x509, ": ", $cursor->[0], ": ASN.1 element too long (", $l, ")\n"; + } + + $cursor->[0] += $l; + $cursor->[1] -= $l; + } + + die $x509, ": ", $cursor->[0], ": ASN.1 data underrun (", $len, ")\n" + if ($cursor->[1] < $len); + + my $ret = [ $tag, [ $cursor->[0], $len, $cursor->[2] ] ]; + $cursor->[0] += $len; + $cursor->[1] -= $len; + + return $ret; +} + +############################################################################### +# +# Retrieve the data referred to by a cursor +# +############################################################################### +sub asn1_retrieve($) +{ + my ($cursor) = @_; + my ($offset, $len, $data) = @$cursor; + return substr($$data, $offset, $len); +} + +############################################################################### +# +# Roughly parse the X.509 certificate +# +############################################################################### +my $cursor = [ 0, length($x509_certificate), \$x509_certificate ]; + +my $cert = asn1_extract($cursor, $UNIV | $CONS | $SEQUENCE); +my $tbs = asn1_extract($cert->[1], $UNIV | $CONS | $SEQUENCE); +my $version = asn1_extract($tbs->[1], $CONT | $CONS | 0, 1); +my $serial_number = asn1_extract($tbs->[1], $UNIV | $INTEGER); +my $sig_type = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE); +my $issuer = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE); +my $validity = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE); +my $subject = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE); +my $key = asn1_extract($tbs->[1], $UNIV | $CONS | $SEQUENCE); +my $issuer_uid = asn1_extract($tbs->[1], $CONT | $CONS | 1, 1); +my $subject_uid = asn1_extract($tbs->[1], $CONT | $CONS | 2, 1); +my $extension_list = asn1_extract($tbs->[1], $CONT | $CONS | 3, 1); + +my $subject_key_id = (); +my $authority_key_id = (); + +# +# Parse the extension list +# +if ($extension_list->[0] != -1) { + my $extensions = asn1_extract($extension_list->[1], $UNIV | $CONS | $SEQUENCE); + + while ($extensions->[1]->[1] > 0) { + my $ext = asn1_extract($extensions->[1], $UNIV | $CONS | $SEQUENCE); + my $x_oid = asn1_extract($ext->[1], $UNIV | $OBJ_ID); + my $x_crit = asn1_extract($ext->[1], $UNIV | $BOOLEAN, 1); + my $x_val = asn1_extract($ext->[1], $UNIV | $OCTET_STRING); + + my $raw_oid = asn1_retrieve($x_oid->[1]); + next if (!exists($OIDs{$raw_oid})); + my $x_type = $OIDs{$raw_oid}; + + my $raw_value = asn1_retrieve($x_val->[1]); + + if ($x_type eq "subjectKeyIdentifier") { + my $vcursor = [ 0, length($raw_value), \$raw_value ]; + + $subject_key_id = asn1_extract($vcursor, $UNIV | $OCTET_STRING); + } + } +} + +############################################################################### +# +# Determine what we're going to use as the signer's name. In order of +# preference, take one of: commonName, organizationName or emailAddress. +# +############################################################################### +my $org = ""; +my $cn = ""; +my $email = ""; + +while ($subject->[1]->[1] > 0) { + my $rdn = asn1_extract($subject->[1], $UNIV | $CONS | $SET); + my $attr = asn1_extract($rdn->[1], $UNIV | $CONS | $SEQUENCE); + my $n_oid = asn1_extract($attr->[1], $UNIV | $OBJ_ID); + my $n_val = asn1_extract($attr->[1], -1); + + my $raw_oid = asn1_retrieve($n_oid->[1]); + next if (!exists($OIDs{$raw_oid})); + my $n_type = $OIDs{$raw_oid}; + + my $raw_value = asn1_retrieve($n_val->[1]); + + if ($n_type eq "organizationName") { + $org = $raw_value; + } elsif ($n_type eq "commonName") { + $cn = $raw_value; + } elsif ($n_type eq "emailAddress") { + $email = $raw_value; + } +} + +my $signers_name = $email; + +if ($org && $cn) { + # Don't use the organizationName if the commonName repeats it + if (length($org) <= length($cn) && + substr($cn, 0, length($org)) eq $org) { + $signers_name = $cn; + goto got_id_name; + } + + # Or a signifcant chunk of it + if (length($org) >= 7 && + length($cn) >= 7 && + substr($cn, 0, 7) eq substr($org, 0, 7)) { + $signers_name = $cn; + goto got_id_name; + } + + $signers_name = $org . ": " . $cn; +} elsif ($org) { + $signers_name = $org; +} elsif ($cn) { + $signers_name = $cn; +} + +got_id_name: + +die $x509, ": ", "X.509: Couldn't find the Subject Key Identifier extension\n" + if (!$subject_key_id); + +my $key_identifier = asn1_retrieve($subject_key_id->[1]); + +############################################################################### +# +# Create and attach the module signature +# +############################################################################### + +# +# Signature parameters +# +my $algo = 1; # Public-key crypto algorithm: RSA +my $hash = 0; # Digest algorithm +my $id_type = 1; # Identifier type: X.509 + +# +# Digest the data +# +my ($dgst, $prologue) = (); +if (exists $config{"CONFIG_MODULE_SIG_SHA1"}) { + $prologue = pack("C*", + 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, + 0x2B, 0x0E, 0x03, 0x02, 0x1A, + 0x05, 0x00, 0x04, 0x14); + $dgst = "-sha1"; + $hash = 2; +} elsif (exists $config{"CONFIG_MODULE_SIG_SHA224"}) { + $prologue = pack("C*", + 0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, + 0x05, 0x00, 0x04, 0x1C); + $dgst = "-sha224"; + $hash = 7; +} elsif (exists $config{"CONFIG_MODULE_SIG_SHA256"}) { + $prologue = pack("C*", + 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, + 0x05, 0x00, 0x04, 0x20); + $dgst = "-sha256"; + $hash = 4; +} elsif (exists $config{"CONFIG_MODULE_SIG_SHA384"}) { + $prologue = pack("C*", + 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, + 0x05, 0x00, 0x04, 0x30); + $dgst = "-sha384"; + $hash = 5; +} elsif (exists $config{"CONFIG_MODULE_SIG_SHA512"}) { + $prologue = pack("C*", + 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, + 0x05, 0x00, 0x04, 0x40); + $dgst = "-sha512"; + $hash = 6; +} else { + die "Can't determine hash algorithm"; +} + +# +# Generate the digest and read from openssl's stdout +# +my $digest; +$digest = readpipe("openssl dgst $dgst -binary $module") || die "openssl dgst"; + +# +# Generate the binary signature, which will be just the integer that comprises +# the signature with no metadata attached. +# +my $pid; +$pid = open2(*read_from, *write_to, + "openssl rsautl -sign -inkey $private_key -keyform PEM") || + die "openssl rsautl"; +binmode write_to; +print write_to $prologue . $digest || die "pipe to openssl rsautl"; +close(write_to) || die "pipe to openssl rsautl"; + +binmode read_from; +my $signature; +read(read_from, $signature, 4096) || die "pipe from openssl rsautl"; +close(read_from) || die "pipe from openssl rsautl"; +$signature = pack("n", length($signature)) . $signature, + +waitpid($pid, 0) || die; +die "openssl rsautl died: $?" if ($? >> 8); + +# +# Build the signed binary +# +my $unsigned_module = read_file($module); + +my $magic_number = "~Module signature appended~\n"; + +my $info = pack("CCCCCxxxN", + $algo, $hash, $id_type, + length($signers_name), + length($key_identifier), + length($signature)); + +if ($verbose) { + print "Size of unsigned module: ", length($unsigned_module), "\n"; + print "Size of signer's name : ", length($signers_name), "\n"; + print "Size of key identifier : ", length($key_identifier), "\n"; + print "Size of signature : ", length($signature), "\n"; + print "Size of informaton : ", length($info), "\n"; + print "Size of magic number : ", length($magic_number), "\n"; + print "Signer's name : '", $signers_name, "'\n"; + print "Digest : $dgst\n"; +} + +open(FD, ">$dest") || die $dest; +binmode FD; +print FD + $unsigned_module, + $signers_name, + $key_identifier, + $signature, + $info, + $magic_number + ; +close FD || die $dest; + +if ($#ARGV != 3) { + rename($dest, $module) || die $module; +} diff --git a/scripts/sortextable.c b/scripts/sortextable.c index 6acf83449105..f19ddc47304c 100644 --- a/scripts/sortextable.c +++ b/scripts/sortextable.c @@ -161,7 +161,7 @@ typedef void (*table_sort_t)(char *, int); #define SORTEXTABLE_64 #include "sortextable.h" -static int compare_x86_table(const void *a, const void *b) +static int compare_relative_table(const void *a, const void *b) { int32_t av = (int32_t)r(a); int32_t bv = (int32_t)r(b); @@ -173,7 +173,7 @@ static int compare_x86_table(const void *a, const void *b) return 0; } -static void sort_x86_table(char *extab_image, int image_size) +static void sort_relative_table(char *extab_image, int image_size) { int i; @@ -188,7 +188,7 @@ static void sort_x86_table(char *extab_image, int image_size) i += 4; } - qsort(extab_image, image_size / 8, 8, compare_x86_table); + qsort(extab_image, image_size / 8, 8, compare_relative_table); /* Now denormalize. */ i = 0; @@ -245,9 +245,9 @@ do_file(char const *const fname) break; case EM_386: case EM_X86_64: - custom_sort = sort_x86_table; - break; case EM_S390: + custom_sort = sort_relative_table; + break; case EM_MIPS: break; } /* end switch */ diff --git a/scripts/tags.sh b/scripts/tags.sh index cff8faad73d1..79fdafb0d263 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -154,7 +154,9 @@ exuberant() --regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \ --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \ --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \ - --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' + --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \ + --regex-c='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \ + --regex-c='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/' all_kconfigs | xargs $1 -a \ --langdef=kconfig --language-force=kconfig \ @@ -197,7 +199,9 @@ emacs() --regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \ --regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \ --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \ - --regex='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' + --regex='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \ + --regex='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \ + --regex='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/' all_kconfigs | xargs $1 -a \ --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' |