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| author | David Gibson <david@gibson.dropbear.id.au> | 2007-12-18 15:07:20 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-12-20 16:18:00 +1100 |
| commit | e2dc87a1dc7e2ece822eaf703d00f2ecb7c3bc70 (patch) | |
| tree | b6cc04b765d379abf7fb363c8f11edaaba5952ee | |
| parent | a4da2e3ec84cda635ac441efbe781a38d2ee41ee (diff) | |
| download | linux-e2dc87a1dc7e2ece822eaf703d00f2ecb7c3bc70.tar.bz2 | |
[POWERPC] Use embedded dtc in kernel builds
This patch alters the kernel makefiles to build dtc from the sources
embedded in the previous patch. It also changes the
arch/powerpc/boot/wrapper script to use the embedded dtc, rather than
expecting a copy of dtc already installed on the system.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
| -rw-r--r-- | arch/powerpc/boot/Makefile | 39 | ||||
| -rwxr-xr-x | arch/powerpc/boot/wrapper | 2 |
2 files changed, 38 insertions, 3 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index af01b4f8ade0..9149bb8ed03c 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -112,17 +112,52 @@ $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE $(obj)/wrapper.a: $(obj-wlib) FORCE $(call if_changed,bootar) -hostprogs-y := addnote addRamDisk hack-coff mktree +hostprogs-y := addnote addRamDisk hack-coff mktree dtc targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds wrapper :=$(srctree)/$(src)/wrapper -wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \ +wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \ $(wrapper) FORCE ############# +# Bits for building dtc +# DTC_GENPARSER := 1 # Uncomment to rebuild flex/bison output + +dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o srcpos.o checks.o +dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o +dtc-objs := $(addprefix dtc-src/, $(dtc-objs)) + +# prerequisites on generated files needs to be explicit +$(obj)/dtc-src/dtc-parser.tab.o: $(obj)/dtc-src/dtc-parser.tab.c $(obj)/dtc-src/dtc-parser.tab.h +$(obj)/dtc-src/dtc-lexer.lex.o: $(obj)/dtc-src/dtc-lexer.lex.c $(obj)/dtc-src/dtc-parser.tab.h + +HOSTCFLAGS += -I$(src)/dtc-src/ -I$(src)/libfdt/ + +targets += dtc-src/dtc-parser.tab.c +targets += dtc-src/dtc-lexer.lex.c + +ifdef DTC_GENPARSER +BISON = bison +FLEX = flex + +quiet_cmd_bison = BISON $@ + cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped +quiet_cmd_flex = FLEX $@ + cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped + +$(obj)/dtc-src/dtc-parser.tab.c: $(src)/dtc-src/dtc-parser.y FORCE + $(call if_changed,bison) + +$(obj)/dtc-src/dtc-parser.tab.h: $(obj)/dtc-src/dtc-parser.tab.c + +$(obj)/dtc-src/dtc-lexer.lex.c: $(src)/dtc-src/dtc-lexer.l FORCE + $(call if_changed,flex) +endif + +############# # Bits for building various flavours of zImage ifneq ($(CROSS32_COMPILE),) diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index a591ced47875..f961cdeb97a2 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -124,7 +124,7 @@ if [ -n "$dts" ]; then if [ -z "$dtb" ]; then dtb="$platform.dtb" fi - dtc -O dtb -o "$dtb" -b 0 -V 16 "$dts" + $object/dtc -O dtb -o "$dtb" -b 0 "$dts" fi if [ -z "$kernel" ]; then |