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-rw-r--r--drivers/acpi/acpica/Makefile3
-rw-r--r--drivers/acpi/acpica/acutils.h51
-rw-r--r--drivers/acpi/acpica/utcache.c323
-rw-r--r--drivers/acpi/acpica/utclib.c748
-rw-r--r--drivers/acpi/acpica/utdebug.c9
-rw-r--r--drivers/acpi/acpica/utmisc.c99
-rw-r--r--drivers/acpi/acpica/uttrack.c650
7 files changed, 1852 insertions, 31 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 7f1d40797e80..c8bc24bd1f72 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -161,3 +161,6 @@ acpi-y += \
utxfinit.o \
utxferror.o \
utxfmutex.o
+
+acpi-$(ACPI_FUTURE_USAGE) += uttrack.o utcache.o utclib.o
+
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 68cb6de26d13..82d6025332e9 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -69,6 +69,22 @@ extern const char *acpi_gbl_siz_decode[];
extern const char *acpi_gbl_trs_decode[];
extern const char *acpi_gbl_ttp_decode[];
extern const char *acpi_gbl_typ_decode[];
+extern const char *acpi_gbl_ppc_decode[];
+extern const char *acpi_gbl_ior_decode[];
+extern const char *acpi_gbl_dts_decode[];
+extern const char *acpi_gbl_ct_decode[];
+extern const char *acpi_gbl_sbt_decode[];
+extern const char *acpi_gbl_am_decode[];
+extern const char *acpi_gbl_sm_decode[];
+extern const char *acpi_gbl_wm_decode[];
+extern const char *acpi_gbl_cph_decode[];
+extern const char *acpi_gbl_cpo_decode[];
+extern const char *acpi_gbl_dp_decode[];
+extern const char *acpi_gbl_ed_decode[];
+extern const char *acpi_gbl_bpb_decode[];
+extern const char *acpi_gbl_sb_decode[];
+extern const char *acpi_gbl_fc_decode[];
+extern const char *acpi_gbl_pt_decode[];
#endif
/* Types for Resource descriptor entries */
@@ -79,14 +95,14 @@ extern const char *acpi_gbl_typ_decode[];
#define ACPI_SMALL_VARIABLE_LENGTH 3
typedef
-acpi_status(*acpi_walk_aml_callback) (u8 * aml,
+acpi_status(*acpi_walk_aml_callback) (u8 *aml,
u32 length,
u32 offset,
u8 resource_index, void **context);
typedef
acpi_status(*acpi_pkg_callback) (u8 object_type,
- union acpi_operand_object * source_object,
+ union acpi_operand_object *source_object,
union acpi_generic_state * state,
void *context);
@@ -202,7 +218,9 @@ extern const u8 _acpi_ctype[];
#define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
#define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
-#endif /* ACPI_USE_SYSTEM_CLIBRARY */
+#endif /* !ACPI_USE_SYSTEM_CLIBRARY */
+
+#define ACPI_IS_ASCII(c) ((c) < 0x80)
/*
* utcopy - Object construction and conversion interfaces
@@ -210,11 +228,11 @@ extern const u8 _acpi_ctype[];
acpi_status
acpi_ut_build_simple_object(union acpi_operand_object *obj,
union acpi_object *user_obj,
- u8 * data_space, u32 * buffer_space_used);
+ u8 *data_space, u32 *buffer_space_used);
acpi_status
acpi_ut_build_package_object(union acpi_operand_object *obj,
- u8 * buffer, u32 * space_used);
+ u8 *buffer, u32 *space_used);
acpi_status
acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
@@ -287,9 +305,9 @@ acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id, u8 *ptr);
-void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
+void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
-void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display);
+void acpi_ut_dump_buffer2(u8 *buffer, u32 count, u32 display);
void acpi_ut_report_error(char *module_name, u32 line_number);
@@ -337,15 +355,15 @@ acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
*/
acpi_status
acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
- struct acpica_device_id **return_id);
+ struct acpica_device_id ** return_id);
acpi_status
acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
- struct acpica_device_id **return_id);
+ struct acpica_device_id ** return_id);
acpi_status
acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
- struct acpica_device_id_list **return_cid_list);
+ struct acpica_device_id_list ** return_cid_list);
/*
* utlock - reader/writer locks
@@ -479,6 +497,10 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
void acpi_ut_strupr(char *src_string);
+void acpi_ut_strlwr(char *src_string);
+
+int acpi_ut_stricmp(char *string1, char *string2);
+
void acpi_ut_print_string(char *string, u8 max_length);
u8 acpi_ut_valid_acpi_name(u32 name);
@@ -487,7 +509,7 @@ void acpi_ut_repair_name(char *name);
u8 acpi_ut_valid_acpi_char(char character, u32 position);
-acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer);
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
/* Values for Base above (16=Hex, 10=Decimal) */
@@ -508,12 +530,12 @@ acpi_ut_display_init_pathname(u8 type,
* utresrc
*/
acpi_status
-acpi_ut_walk_aml_resources(u8 * aml,
+acpi_ut_walk_aml_resources(u8 *aml,
acpi_size aml_length,
acpi_walk_aml_callback user_function,
void **context);
-acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
+acpi_status acpi_ut_validate_resource(void *aml, u8 *return_index);
u32 acpi_ut_get_descriptor_length(void *aml);
@@ -524,8 +546,7 @@ u8 acpi_ut_get_resource_header_length(void *aml);
u8 acpi_ut_get_resource_type(void *aml);
acpi_status
-acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
- u8 ** end_tag);
+acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
/*
* utmutex - mutex support
diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c
new file mode 100644
index 000000000000..eacb9ba2b9e0
--- /dev/null
+++ b/drivers/acpi/acpica/utcache.c
@@ -0,0 +1,323 @@
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * 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,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * 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 MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utcache")
+
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_create_cache
+ *
+ * PARAMETERS: cache_name - Ascii name for the cache
+ * object_size - Size of each cached object
+ * max_depth - Maximum depth of the cache (in objects)
+ * return_cache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_create_cache(char *cache_name,
+ u16 object_size,
+ u16 max_depth, struct acpi_memory_list ** return_cache)
+{
+ struct acpi_memory_list *cache;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache_name || !return_cache || (object_size < 16)) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Create the cache object */
+
+ cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
+ if (!cache) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Populate the cache object and return it */
+
+ ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
+ cache->link_offset = 8;
+ cache->list_name = cache_name;
+ cache->object_size = object_size;
+ cache->max_depth = max_depth;
+
+ *return_cache = cache;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_purge_cache
+ *
+ * PARAMETERS: cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
+{
+ char *next;
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Walk the list of objects in this cache */
+
+ while (cache->list_head) {
+
+ /* Delete and unlink one cached state object */
+
+ next = *(ACPI_CAST_INDIRECT_PTR(char,
+ &(((char *)cache->
+ list_head)[cache->
+ link_offset])));
+ ACPI_FREE(cache->list_head);
+
+ cache->list_head = next;
+ cache->current_depth--;
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_delete_cache
+ *
+ * PARAMETERS: cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ * cache object.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Purge all objects in the cache */
+
+ status = acpi_os_purge_cache(cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Now we can delete the cache object */
+
+ acpi_os_free(cache);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_release_object
+ *
+ * PARAMETERS: cache - Handle to cache object
+ * object - The object to be released
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release an object to the specified cache. If cache is full,
+ * the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_release_object(struct acpi_memory_list * cache, void *object)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache || !object) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* If cache is full, just free this object */
+
+ if (cache->current_depth >= cache->max_depth) {
+ ACPI_FREE(object);
+ ACPI_MEM_TRACKING(cache->total_freed++);
+ }
+
+ /* Otherwise put this object back into the cache */
+
+ else {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Mark the object as cached */
+
+ ACPI_MEMSET(object, 0xCA, cache->object_size);
+ ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_CACHED);
+
+ /* Put the object at the head of the cache list */
+
+ *(ACPI_CAST_INDIRECT_PTR(char,
+ &(((char *)object)[cache->
+ link_offset]))) =
+ cache->list_head;
+ cache->list_head = object;
+ cache->current_depth++;
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_acquire_object
+ *
+ * PARAMETERS: cache - Handle to cache object
+ *
+ * RETURN: the acquired object. NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache. If cache is empty,
+ * the object is allocated.
+ *
+ ******************************************************************************/
+
+void *acpi_os_acquire_object(struct acpi_memory_list *cache)
+{
+ acpi_status status;
+ void *object;
+
+ ACPI_FUNCTION_NAME(os_acquire_object);
+
+ if (!cache) {
+ return (NULL);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (NULL);
+ }
+
+ ACPI_MEM_TRACKING(cache->requests++);
+
+ /* Check the cache first */
+
+ if (cache->list_head) {
+
+ /* There is an object available, use it */
+
+ object = cache->list_head;
+ cache->list_head = *(ACPI_CAST_INDIRECT_PTR(char,
+ &(((char *)
+ object)[cache->
+ link_offset])));
+
+ cache->current_depth--;
+
+ ACPI_MEM_TRACKING(cache->hits++);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Object %p from %s cache\n", object,
+ cache->list_name));
+
+ status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (NULL);
+ }
+
+ /* Clear (zero) the previously used Object */
+
+ ACPI_MEMSET(object, 0, cache->object_size);
+ } else {
+ /* The cache is empty, create a new object */
+
+ ACPI_MEM_TRACKING(cache->total_allocated++);
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+ if ((cache->total_allocated - cache->total_freed) >
+ cache->max_occupied) {
+ cache->max_occupied =
+ cache->total_allocated - cache->total_freed;
+ }
+#endif
+
+ /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
+
+ status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (NULL);
+ }
+
+ object = ACPI_ALLOCATE_ZEROED(cache->object_size);
+ if (!object) {
+ return (NULL);
+ }
+ }
+
+ return (object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
diff --git a/drivers/acpi/acpica/utclib.c b/drivers/acpi/acpica/utclib.c
new file mode 100644
index 000000000000..f887f93e56ad
--- /dev/null
+++ b/drivers/acpi/acpica/utclib.c
@@ -0,0 +1,748 @@
+/******************************************************************************
+ *
+ * Module Name: cmclib - Local implementation of C library functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * 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,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * 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 MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+/*
+ * These implementations of standard C Library routines can optionally be
+ * used if a C library is not available. In general, they are less efficient
+ * than an inline or assembly implementation
+ */
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("cmclib")
+
+#ifndef ACPI_USE_SYSTEM_CLIBRARY
+#define NEGATIVE 1
+#define POSITIVE 0
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_memcmp (memcmp)
+ *
+ * PARAMETERS: buffer1 - First Buffer
+ * buffer2 - Second Buffer
+ * count - Maximum # of bytes to compare
+ *
+ * RETURN: Index where Buffers mismatched, or 0 if Buffers matched
+ *
+ * DESCRIPTION: Compare two Buffers, with a maximum length
+ *
+ ******************************************************************************/
+int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count)
+{
+
+ return ((count == ACPI_SIZE_MAX) ? 0 : ((unsigned char)*buffer1 -
+ (unsigned char)*buffer2));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_memcpy (memcpy)
+ *
+ * PARAMETERS: dest - Target of the copy
+ * src - Source buffer to copy
+ * count - Number of bytes to copy
+ *
+ * RETURN: Dest
+ *
+ * DESCRIPTION: Copy arbitrary bytes of memory
+ *
+ ******************************************************************************/
+
+void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count)
+{
+ char *new = (char *)dest;
+ char *old = (char *)src;
+
+ while (count) {
+ *new = *old;
+ new++;
+ old++;
+ count--;
+ }
+
+ return (dest);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_memset (memset)
+ *
+ * PARAMETERS: dest - Buffer to set
+ * value - Value to set each byte of memory
+ * count - Number of bytes to set
+ *
+ * RETURN: Dest
+ *
+ * DESCRIPTION: Initialize a buffer to a known value.
+ *
+ ******************************************************************************/
+
+void *acpi_ut_memset(void *dest, u8 value, acpi_size count)
+{
+ char *new = (char *)dest;
+
+ while (count) {
+ *new = (char)value;
+ new++;
+ count--;
+ }
+
+ return (dest);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strlen (strlen)
+ *
+ * PARAMETERS: string - Null terminated string
+ *
+ * RETURN: Length
+ *
+ * DESCRIPTION: Returns the length of the input string
+ *
+ ******************************************************************************/
+
+acpi_size acpi_ut_strlen(const char *string)
+{
+ u32 length = 0;
+
+ /* Count the string until a null is encountered */
+
+ while (*string) {
+ length++;
+ string++;
+ }
+
+ return (length);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strcpy (strcpy)
+ *
+ * PARAMETERS: dst_string - Target of the copy
+ * src_string - The source string to copy
+ *
+ * RETURN: dst_string
+ *
+ * DESCRIPTION: Copy a null terminated string
+ *
+ ******************************************************************************/
+
+char *acpi_ut_strcpy(char *dst_string, const char *src_string)
+{
+ char *string = dst_string;
+
+ /* Move bytes brute force */
+
+ while (*src_string) {
+ *string = *src_string;
+
+ string++;
+ src_string++;
+ }
+
+ /* Null terminate */
+
+ *string = 0;
+ return (dst_string);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strncpy (strncpy)
+ *
+ * PARAMETERS: dst_string - Target of the copy
+ * src_string - The source string to copy
+ * count - Maximum # of bytes to copy
+ *
+ * RETURN: dst_string
+ *
+ * DESCRIPTION: Copy a null terminated string, with a maximum length
+ *
+ ******************************************************************************/
+
+char *acpi_ut_strncpy(char *dst_string, const char *src_string, acpi_size count)
+{
+ char *string = dst_string;
+
+ /* Copy the string */
+
+ for (string = dst_string;
+ count && (count--, (*string++ = *src_string++));) {;
+ }
+
+ /* Pad with nulls if necessary */
+
+ while (count--) {
+ *string = 0;
+ string++;
+ }
+
+ /* Return original pointer */
+
+ return (dst_string);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strcmp (strcmp)
+ *
+ * PARAMETERS: string1 - First string
+ * string2 - Second string
+ *
+ * RETURN: Index where strings mismatched, or 0 if strings matched
+ *
+ * DESCRIPTION: Compare two null terminated strings
+ *
+ ******************************************************************************/
+
+int acpi_ut_strcmp(const char *string1, const char *string2)
+{
+
+ for (; (*string1 == *string2); string2++) {
+ if (!*string1++) {
+ return (0);
+ }
+ }
+
+ return ((unsigned char)*string1 - (unsigned char)*string2);
+}
+
+#ifdef ACPI_FUTURE_IMPLEMENTATION
+/* Not used at this time */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strchr (strchr)
+ *
+ * PARAMETERS: string - Search string
+ * ch - character to search for
+ *
+ * RETURN: Ptr to char or NULL if not found
+ *
+ * DESCRIPTION: Search a string for a character
+ *
+ ******************************************************************************/
+
+char *acpi_ut_strchr(const char *string, int ch)
+{
+
+ for (; (*string); string++) {
+ if ((*string) == (char)ch) {
+ return ((char *)string);
+ }
+ }
+
+ return (NULL);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strncmp (strncmp)
+ *
+ * PARAMETERS: string1 - First string
+ * string2 - Second string
+ * count - Maximum # of bytes to compare
+ *
+ * RETURN: Index where strings mismatched, or 0 if strings matched
+ *
+ * DESCRIPTION: Compare two null terminated strings, with a maximum length
+ *
+ ******************************************************************************/
+
+int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count)
+{
+
+ for (; count-- && (*string1 == *string2); string2++) {
+ if (!*string1++) {
+ return (0);
+ }
+ }
+
+ return ((count == ACPI_SIZE_MAX) ? 0 : ((unsigned char)*string1 -
+ (unsigned char)*string2));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strcat (Strcat)
+ *
+ * PARAMETERS: dst_string - Target of the copy
+ * src_string - The source string to copy
+ *
+ * RETURN: dst_string
+ *
+ * DESCRIPTION: Append a null terminated string to a null terminated string
+ *
+ ******************************************************************************/
+
+char *acpi_ut_strcat(char *dst_string, const char *src_string)
+{
+ char *string;
+
+ /* Find end of the destination string */
+
+ for (string = dst_string; *string++;) {;
+ }
+
+ /* Concatenate the string */
+
+ for (--string; (*string++ = *src_string++);) {;
+ }
+
+ return (dst_string);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strncat (strncat)
+ *
+ * PARAMETERS: dst_string - Target of the copy
+ * src_string - The source string to copy
+ * count - Maximum # of bytes to copy
+ *
+ * RETURN: dst_string
+ *
+ * DESCRIPTION: Append a null terminated string to a null terminated string,
+ * with a maximum count.
+ *
+ ******************************************************************************/
+
+char *acpi_ut_strncat(char *dst_string, const char *src_string, acpi_size count)
+{
+ char *string;
+
+ if (count) {
+
+ /* Find end of the destination string */
+
+ for (string = dst_string; *string++;) {;
+ }
+
+ /* Concatenate the string */
+
+ for (--string; (*string++ = *src_string++) && --count;) {;
+ }
+
+ /* Null terminate if necessary */
+
+ if (!count) {
+ *string = 0;
+ }
+ }
+
+ return (dst_string);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strstr (strstr)
+ *
+ * PARAMETERS: string1 - Target string
+ * string2 - Substring to search for
+ *
+ * RETURN: Where substring match starts, Null if no match found
+ *
+ * DESCRIPTION: Checks if String2 occurs in String1. This is not really a
+ * full implementation of strstr, only sufficient for command
+ * matching
+ *
+ ******************************************************************************/
+
+char *acpi_ut_strstr(char *string1, char *string2)
+{
+ char *string;
+
+ if (acpi_ut_strlen(string2) > acpi_ut_strlen(string1)) {
+ return (NULL);
+ }
+
+ /* Walk entire string, comparing the letters */
+
+ for (string = string1; *string2;) {
+ if (*string2 != *string) {
+ return (NULL);
+ }
+
+ string2++;
+ string++;
+ }
+
+ return (string1);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strtoul (strtoul)
+ *
+ * PARAMETERS: string - Null terminated string
+ * terminater - Where a pointer to the terminating byte is
+ * returned
+ * base - Radix of the string
+ *
+ * RETURN: Converted value
+ *
+ * DESCRIPTION: Convert a string into a 32-bit unsigned value.
+ * Note: use acpi_ut_strtoul64 for 64-bit integers.
+ *
+ ******************************************************************************/
+
+u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base)
+{
+ u32 converted = 0;
+ u32 index;
+ u32 sign;
+ const char *string_start;
+ u32 return_value = 0;
+ acpi_status status = AE_OK;
+
+ /*
+ * Save the value of the pointer to the buffer's first
+ * character, save the current errno value, and then
+ * skip over any white space in the buffer:
+ */
+ string_start = string;
+ while (ACPI_IS_SPACE(*string) || *string == '\t') {
+ ++string;
+ }
+
+ /*
+ * The buffer may contain an optional plus or minus sign.
+ * If it does, then skip over it but remember what is was:
+ */
+ if (*string == '-') {
+ sign = NEGATIVE;
+ ++string;
+ } else if (*string == '+') {
+ ++string;
+ sign = POSITIVE;
+ } else {
+ sign = POSITIVE;
+ }
+
+ /*
+ * If the input parameter Base is zero, then we need to
+ * determine if it is octal, decimal, or hexadecimal:
+ */
+ if (base == 0) {
+ if (*string == '0') {
+ if (acpi_ut_to_lower(*(++string)) == 'x') {
+ base = 16;
+ ++string;
+ } else {
+ base = 8;
+ }
+ } else {
+ base = 10;
+ }
+ } else if (base < 2 || base > 36) {
+ /*
+ * The specified Base parameter is not in the domain of
+ * this function:
+ */
+ goto done;
+ }
+
+ /*
+ * For octal and hexadecimal bases, skip over the leading
+ * 0 or 0x, if they are present.
+ */
+ if (base == 8 && *string == '0') {
+ string++;
+ }
+
+ if (base == 16 &&
+ *string == '0' && acpi_ut_to_lower(*(++string)) == 'x') {
+ string++;
+ }
+
+ /*
+ * Main loop: convert the string to an unsigned long:
+ */
+ while (*string) {
+ if (ACPI_IS_DIGIT(*string)) {
+ index = (u32)((u8)*string - '0');
+ } else {
+ index = (u32)acpi_ut_to_upper(*string);
+ if (ACPI_IS_UPPER(index)) {
+ index = index - 'A' + 10;
+ } else {
+ goto done;
+ }
+ }
+
+ if (index >= base) {
+ goto done;
+ }
+
+ /*
+ * Check to see if value is out of range:
+ */
+
+ if (return_value > ((ACPI_UINT32_MAX - (u32)index) / (u32)base)) {
+ status = AE_ERROR;
+ return_value = 0; /* reset */
+ } else {
+ return_value *= base;
+ return_value += index;
+ converted = 1;
+ }
+
+ ++string;
+ }
+
+ done:
+ /*
+ * If appropriate, update the caller's pointer to the next
+ * unconverted character in the buffer.
+ */
+ if (terminator) {
+ if (converted == 0 && return_value == 0 && string != NULL) {
+ *terminator = (char *)string_start;
+ } else {
+ *terminator = (char *)string;
+ }
+ }
+
+ if (status == AE_ERROR) {
+ return_value = ACPI_UINT32_MAX;
+ }
+
+ /*
+ * If a minus sign was present, then "the conversion is negated":
+ */
+ if (sign == NEGATIVE) {
+ return_value = (ACPI_UINT32_MAX - return_value) + 1;
+ }
+
+ return (return_value);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_to_upper (TOUPPER)
+ *
+ * PARAMETERS: c - Character to convert
+ *
+ * RETURN: Converted character as an int
+ *
+ * DESCRIPTION: Convert character to uppercase
+ *
+ ******************************************************************************/
+
+int acpi_ut_to_upper(int c)
+{
+
+ return (ACPI_IS_LOWER(c) ? ((c) - 0x20) : (c));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_to_lower (TOLOWER)
+ *
+ * PARAMETERS: c - Character to convert
+ *
+ * RETURN: Converted character as an int
+ *
+ * DESCRIPTION: Convert character to lowercase
+ *
+ ******************************************************************************/
+
+int acpi_ut_to_lower(int c)
+{
+
+ return (ACPI_IS_UPPER(c) ? ((c) + 0x20) : (c));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: is* functions
+ *
+ * DESCRIPTION: is* functions use the ctype table below
+ *
+ ******************************************************************************/
+
+const u8 _acpi_ctype[257] = {
+ _ACPI_CN, /* 0x0 0. */
+ _ACPI_CN, /* 0x1 1. */
+ _ACPI_CN, /* 0x2 2. */
+ _ACPI_CN, /* 0x3 3. */
+ _ACPI_CN, /* 0x4 4. */
+ _ACPI_CN, /* 0x5 5. */
+ _ACPI_CN, /* 0x6 6. */
+ _ACPI_CN, /* 0x7 7. */
+ _ACPI_CN, /* 0x8 8. */
+ _ACPI_CN | _ACPI_SP, /* 0x9 9. */
+ _ACPI_CN | _ACPI_SP, /* 0xA 10. */
+ _ACPI_CN | _ACPI_SP, /* 0xB 11. */
+ _ACPI_CN | _ACPI_SP, /* 0xC 12. */
+ _ACPI_CN | _ACPI_SP, /* 0xD 13. */
+ _ACPI_CN, /* 0xE 14. */
+ _ACPI_CN, /* 0xF 15. */
+ _ACPI_CN, /* 0x10 16. */
+ _ACPI_CN, /* 0x11 17. */
+ _ACPI_CN, /* 0x12 18. */
+ _ACPI_CN, /* 0x13 19. */
+ _ACPI_CN, /* 0x14 20. */
+ _ACPI_CN, /* 0x15 21. */
+ _ACPI_CN, /* 0x16 22. */
+ _ACPI_CN, /* 0x17 23. */
+ _ACPI_CN, /* 0x18 24. */
+ _ACPI_CN, /* 0x19 25. */
+ _ACPI_CN, /* 0x1A 26. */
+ _ACPI_CN, /* 0x1B 27. */
+ _ACPI_CN, /* 0x1C 28. */
+ _ACPI_CN, /* 0x1D 29. */
+ _ACPI_CN, /* 0x1E 30. */
+ _ACPI_CN, /* 0x1F 31. */
+ _ACPI_XS | _ACPI_SP, /* 0x20 32. ' ' */
+ _ACPI_PU, /* 0x21 33. '!' */
+ _ACPI_PU, /* 0x22 34. '"' */
+ _ACPI_PU, /* 0x23 35. '#' */
+ _ACPI_PU, /* 0x24 36. '$' */
+ _ACPI_PU, /* 0x25 37. '%' */
+ _ACPI_PU, /* 0x26 38. '&' */
+ _ACPI_PU, /* 0x27 39. ''' */
+ _ACPI_PU, /* 0x28 40. '(' */
+ _ACPI_PU, /* 0x29 41. ')' */
+ _ACPI_PU, /* 0x2A 42. '*' */
+ _ACPI_PU, /* 0x2B 43. '+' */
+ _ACPI_PU, /* 0x2C 44. ',' */
+ _ACPI_PU, /* 0x2D 45. '-' */
+ _ACPI_PU, /* 0x2E 46. '.' */
+ _ACPI_PU, /* 0x2F 47. '/' */
+ _ACPI_XD | _ACPI_DI, /* 0x30 48. '0' */
+ _ACPI_XD | _ACPI_DI, /* 0x31 49. '1' */
+ _ACPI_XD | _ACPI_DI, /* 0x32 50. '2' */
+ _ACPI_XD | _ACPI_DI, /* 0x33 51. '3' */
+ _ACPI_XD | _ACPI_DI, /* 0x34 52. '4' */
+ _ACPI_XD | _ACPI_DI, /* 0x35 53. '5' */
+ _ACPI_XD | _ACPI_DI, /* 0x36 54. '6' */
+ _ACPI_XD | _ACPI_DI, /* 0x37 55. '7' */
+ _ACPI_XD | _ACPI_DI, /* 0x38 56. '8' */
+ _ACPI_XD | _ACPI_DI, /* 0x39 57. '9' */
+ _ACPI_PU, /* 0x3A 58. ':' */
+ _ACPI_PU, /* 0x3B 59. ';' */
+ _ACPI_PU, /* 0x3C 60. '<' */
+ _ACPI_PU, /* 0x3D 61. '=' */
+ _ACPI_PU, /* 0x3E 62. '>' */
+ _ACPI_PU, /* 0x3F 63. '?' */
+ _ACPI_PU, /* 0x40 64. '@' */
+ _ACPI_XD | _ACPI_UP, /* 0x41 65. 'A' */
+ _ACPI_XD | _ACPI_UP, /* 0x42 66. 'B' */
+ _ACPI_XD | _ACPI_UP, /* 0x43 67. 'C' */
+ _ACPI_XD | _ACPI_UP, /* 0x44 68. 'D' */
+ _ACPI_XD | _ACPI_UP, /* 0x45 69. 'E' */
+ _ACPI_XD | _ACPI_UP, /* 0x46 70. 'F' */
+ _ACPI_UP, /* 0x47 71. 'G' */
+ _ACPI_UP, /* 0x48 72. 'H' */
+ _ACPI_UP, /* 0x49 73. 'I' */
+ _ACPI_UP, /* 0x4A 74. 'J' */
+ _ACPI_UP, /* 0x4B 75. 'K' */
+ _ACPI_UP, /* 0x4C 76. 'L' */
+ _ACPI_UP, /* 0x4D 77. 'M' */
+ _ACPI_UP, /* 0x4E 78. 'N' */
+ _ACPI_UP, /* 0x4F 79. 'O' */
+ _ACPI_UP, /* 0x50 80. 'P' */
+ _ACPI_UP, /* 0x51 81. 'Q' */
+ _ACPI_UP, /* 0x52 82. 'R' */
+ _ACPI_UP, /* 0x53 83. 'S' */
+ _ACPI_UP, /* 0x54 84. 'T' */
+ _ACPI_UP, /* 0x55 85. 'U' */
+ _ACPI_UP, /* 0x56 86. 'V' */
+ _ACPI_UP, /* 0x57 87. 'W' */
+ _ACPI_UP, /* 0x58 88. 'X' */
+ _ACPI_UP, /* 0x59 89. 'Y' */
+ _ACPI_UP, /* 0x5A 90. 'Z' */
+ _ACPI_PU, /* 0x5B 91. '[' */
+ _ACPI_PU, /* 0x5C 92. '\' */
+ _ACPI_PU, /* 0x5D 93. ']' */
+ _ACPI_PU, /* 0x5E 94. '^' */
+ _ACPI_PU, /* 0x5F 95. '_' */
+ _ACPI_PU, /* 0x60 96. '`' */
+ _ACPI_XD | _ACPI_LO, /* 0x61 97. 'a' */
+ _ACPI_XD | _ACPI_LO, /* 0x62 98. 'b' */
+ _ACPI_XD | _ACPI_LO, /* 0x63 99. 'c' */
+ _ACPI_XD | _ACPI_LO, /* 0x64 100. 'd' */
+ _ACPI_XD | _ACPI_LO, /* 0x65 101. 'e' */
+ _ACPI_XD | _ACPI_LO, /* 0x66 102. 'f' */
+ _ACPI_LO, /* 0x67 103. 'g' */
+ _ACPI_LO, /* 0x68 104. 'h' */
+ _ACPI_LO, /* 0x69 105. 'i' */
+ _ACPI_LO, /* 0x6A 106. 'j' */
+ _ACPI_LO, /* 0x6B 107. 'k' */
+ _ACPI_LO, /* 0x6C 108. 'l' */
+ _ACPI_LO, /* 0x6D 109. 'm' */
+ _ACPI_LO, /* 0x6E 110. 'n' */
+ _ACPI_LO, /* 0x6F 111. 'o' */
+ _ACPI_LO, /* 0x70 112. 'p' */
+ _ACPI_LO, /* 0x71 113. 'q' */
+ _ACPI_LO, /* 0x72 114. 'r' */
+ _ACPI_LO, /* 0x73 115. 's' */
+ _ACPI_LO, /* 0x74 116. 't' */
+ _ACPI_LO, /* 0x75 117. 'u' */
+ _ACPI_LO, /* 0x76 118. 'v' */
+ _ACPI_LO, /* 0x77 119. 'w' */
+ _ACPI_LO, /* 0x78 120. 'x' */
+ _ACPI_LO, /* 0x79 121. 'y' */
+ _ACPI_LO, /* 0x7A 122. 'z' */
+ _ACPI_PU, /* 0x7B 123. '{' */
+ _ACPI_PU, /* 0x7C 124. '|' */
+ _ACPI_PU, /* 0x7D 125. '}' */
+ _ACPI_PU, /* 0x7E 126. '~' */
+ _ACPI_CN, /* 0x7F 127. */
+
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 to 0x8F */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 to 0x9F */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xA0 to 0xAF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xB0 to 0xBF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xC0 to 0xCF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xD0 to 0xDF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE0 to 0xEF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xF0 to 0x100 */
+};
+
+#endif /* ACPI_USE_SYSTEM_CLIBRARY */
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index e810894149ae..6e3ae6a23f0b 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -47,8 +47,9 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utdebug")
+
#ifdef ACPI_DEBUG_OUTPUT
-static acpi_thread_id acpi_gbl_prev_thread_id;
+static acpi_thread_id acpi_gbl_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF;
static char *acpi_gbl_fn_entry_str = "----Entry";
static char *acpi_gbl_fn_exit_str = "----Exit-";
@@ -109,7 +110,7 @@ void acpi_ut_track_stack_ptr(void)
* RETURN: Updated pointer to the function name
*
* DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
- * This allows compiler macros such as __func__ to be used
+ * This allows compiler macros such as __FUNCTION__ to be used
* with no change to the debug output.
*
******************************************************************************/
@@ -519,7 +520,7 @@ acpi_ut_ptr_exit(u32 line_number,
*
******************************************************************************/
-void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
+void acpi_ut_dump_buffer2(u8 *buffer, u32 count, u32 display)
{
u32 i = 0;
u32 j;
@@ -636,7 +637,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
*
******************************************************************************/
-void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id)
{
/* Only dump the buffer if tracing is enabled */
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index d91d88df2a96..0fed4bcc84b6 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
@@ -201,8 +199,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
*/
acpi_gbl_owner_id_mask[j] |= (1 << k);
- acpi_gbl_last_owner_id_index = (u8) j;
- acpi_gbl_next_owner_id_offset = (u8) (k + 1);
+ acpi_gbl_last_owner_id_index = (u8)j;
+ acpi_gbl_next_owner_id_offset = (u8)(k + 1);
/*
* Construct encoded ID from the index and bit position
@@ -339,6 +337,73 @@ void acpi_ut_strupr(char *src_string)
return;
}
+#ifdef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strlwr (strlwr)
+ *
+ * PARAMETERS: src_string - The source string to convert
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert string to lowercase
+ *
+ * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
+ *
+ ******************************************************************************/
+
+void acpi_ut_strlwr(char *src_string)
+{
+ char *string;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!src_string) {
+ return;
+ }
+
+ /* Walk entire string, lowercasing the letters */
+
+ for (string = src_string; *string; string++) {
+ *string = (char)ACPI_TOLOWER(*string);
+ }
+
+ return;
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ut_stricmp
+ *
+ * PARAMETERS: string1 - first string to compare
+ * string2 - second string to compare
+ *
+ * RETURN: int that signifies string relationship. Zero means strings
+ * are equal.
+ *
+ * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare
+ * strings with no case sensitivity)
+ *
+ ******************************************************************************/
+
+int acpi_ut_stricmp(char *string1, char *string2)
+{
+ int c1;
+ int c2;
+
+ do {
+ c1 = tolower((int)*string1);
+ c2 = tolower((int)*string2);
+
+ string1++;
+ string2++;
+ }
+ while ((c1 == c2) && (c1));
+
+ return (c1 - c2);
+}
+#endif
+
/*******************************************************************************
*
* FUNCTION: acpi_ut_print_string
@@ -638,7 +703,16 @@ u8 acpi_ut_valid_acpi_name(u32 name)
* RETURN: Repaired version of the name
*
* DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
- * return the new name.
+ * return the new name. NOTE: the Name parameter must reside in
+ * read/write memory, cannot be a const.
+ *
+ * An ACPI Name must consist of valid ACPI characters. We will repair the name
+ * if necessary because we don't want to abort because of this, but we want
+ * all namespace names to be printable. A warning message is appropriate.
+ *
+ * This issue came up because there are in fact machines that exhibit
+ * this problem, and we want to be able to enable ACPI support for them,
+ * even though there are a few bad names.
*
******************************************************************************/
@@ -699,7 +773,7 @@ void acpi_ut_repair_name(char *name)
*
******************************************************************************/
-acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer)
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer)
{
u32 this_digit = 0;
u64 return_value = 0;
@@ -772,14 +846,14 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer)
/* Convert ASCII 0-9 to Decimal value */
- this_digit = ((u8) * string) - '0';
+ this_digit = ((u8)*string) - '0';
} else if (base == 10) {
/* Digit is out of range; possible in to_integer case only */
term = 1;
} else {
- this_digit = (u8) ACPI_TOUPPER(*string);
+ this_digit = (u8)ACPI_TOUPPER(*string);
if (ACPI_IS_XDIGIT((char)this_digit)) {
/* Convert ASCII Hex char to value */
@@ -806,8 +880,9 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer)
valid_digits++;
- if (sign_of0x && ((valid_digits > 16)
- || ((valid_digits > 8) && mode32))) {
+ if (sign_of0x
+ && ((valid_digits > 16)
+ || ((valid_digits > 8) && mode32))) {
/*
* This is to_integer operation case.
* No any restrictions for string-to-integer conversion,
@@ -818,7 +893,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer)
/* Divide the digit into the correct position */
- (void)acpi_ut_short_divide((dividend - (u64) this_digit),
+ (void)acpi_ut_short_divide((dividend - (u64)this_digit),
base, &quotient, NULL);
if (return_value > quotient) {
@@ -908,7 +983,7 @@ acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
******************************************************************************/
acpi_status
-acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
+acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
void *target_object,
acpi_pkg_callback walk_callback, void *context)
{
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
new file mode 100644
index 000000000000..73ca27d40f9f
--- /dev/null
+++ b/drivers/acpi/acpica/uttrack.c
@@ -0,0 +1,650 @@
+/******************************************************************************
+ *
+ * Module Name: uttrack - Memory allocation tracking routines (debug only)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * 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,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * 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 MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ */
+
+/*
+ * These procedures are used for tracking memory leaks in the subsystem, and
+ * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
+ *
+ * Each memory allocation is tracked via a doubly linked list. Each
+ * element contains the caller's component, module name, function name, and
+ * line number. acpi_ut_allocate and acpi_ut_allocate_zeroed call
+ * acpi_ut_track_allocation to add an element to the list; deletion
+ * occurs in the body of acpi_ut_free.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("uttrack")
+
+/* Local prototypes */
+static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation);
+
+static acpi_status
+acpi_ut_track_allocation(struct acpi_debug_mem_block *address,
+ acpi_size size,
+ u8 alloc_type,
+ u32 component, const char *module, u32 line);
+
+static acpi_status
+acpi_ut_remove_allocation(struct acpi_debug_mem_block *address,
+ u32 component, const char *module, u32 line);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_list
+ *
+ * PARAMETERS: cache_name - Ascii name for the cache
+ * object_size - Size of each cached object
+ * return_cache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a local memory list for tracking purposed
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_create_list(char *list_name,
+ u16 object_size, struct acpi_memory_list **return_cache)
+{
+ struct acpi_memory_list *cache;
+
+ cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
+ if (!cache) {
+ return (AE_NO_MEMORY);
+ }
+
+ ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
+
+ cache->list_name = list_name;
+ cache->object_size = object_size;
+
+ *return_cache = cache;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate_and_track
+ *
+ * PARAMETERS: size - Size of the allocation
+ * component - Component type of caller
+ * module - Source file name of caller
+ * line - Line number of caller
+ *
+ * RETURN: Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: The subsystem's equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *acpi_ut_allocate_and_track(acpi_size size,
+ u32 component, const char *module, u32 line)
+{
+ struct acpi_debug_mem_block *allocation;
+ acpi_status status;
+
+ allocation =
+ acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header),
+ component, module, line);
+ if (!allocation) {
+ return (NULL);
+ }
+
+ status = acpi_ut_track_allocation(allocation, size,
+ ACPI_MEM_MALLOC, component, module,
+ line);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_free(allocation);
+ return (NULL);
+ }
+
+ acpi_gbl_global_list->total_allocated++;
+ acpi_gbl_global_list->total_size += (u32)size;
+ acpi_gbl_global_list->current_total_size += (u32)size;
+ if (acpi_gbl_global_list->current_total_size >
+ acpi_gbl_global_list->max_occupied) {
+ acpi_gbl_global_list->max_occupied =
+ acpi_gbl_global_list->current_total_size;
+ }
+
+ return ((void *)&allocation->user_space);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate_zeroed_and_track
+ *
+ * PARAMETERS: size - Size of the allocation
+ * component - Component type of caller
+ * module - Source file name of caller
+ * line - Line number of caller
+ *
+ * RETURN: Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc.
+ *
+ ******************************************************************************/
+
+void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
+ u32 component,
+ const char *module, u32 line)
+{
+ struct acpi_debug_mem_block *allocation;
+ acpi_status status;
+
+ allocation =
+ acpi_ut_allocate_zeroed(size + sizeof(struct acpi_debug_mem_header),
+ component, module, line);
+ if (!allocation) {
+
+ /* Report allocation error */
+
+ ACPI_ERROR((module, line,
+ "Could not allocate size %u", (u32)size));
+ return (NULL);
+ }
+
+ status = acpi_ut_track_allocation(allocation, size,
+ ACPI_MEM_CALLOC, component, module,
+ line);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_free(allocation);
+ return (NULL);
+ }
+
+ acpi_gbl_global_list->total_allocated++;
+ acpi_gbl_global_list->total_size += (u32)size;
+ acpi_gbl_global_list->current_total_size += (u32)size;
+ if (acpi_gbl_global_list->current_total_size >
+ acpi_gbl_global_list->max_occupied) {
+ acpi_gbl_global_list->max_occupied =
+ acpi_gbl_global_list->current_total_size;
+ }
+
+ return ((void *)&allocation->user_space);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_free_and_track
+ *
+ * PARAMETERS: allocation - Address of the memory to deallocate
+ * component - Component type of caller
+ * module - Source file name of caller
+ * line - Line number of caller
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Frees the memory at Allocation
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_free_and_track(void *allocation,
+ u32 component, const char *module, u32 line)
+{
+ struct acpi_debug_mem_block *debug_block;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_free, allocation);
+
+ if (NULL == allocation) {
+ ACPI_ERROR((module, line, "Attempt to delete a NULL address"));
+
+ return_VOID;
+ }
+
+ debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block,
+ (((char *)allocation) -
+ sizeof(struct acpi_debug_mem_header)));
+
+ acpi_gbl_global_list->total_freed++;
+ acpi_gbl_global_list->current_total_size -= debug_block->size;
+
+ status = acpi_ut_remove_allocation(debug_block,
+ component, module, line);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "Could not free memory"));
+ }
+
+ acpi_os_free(debug_block);
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_find_allocation
+ *
+ * PARAMETERS: allocation - Address of allocated memory
+ *
+ * RETURN: A list element if found; NULL otherwise.
+ *
+ * DESCRIPTION: Searches for an element in the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation)
+{
+ struct acpi_debug_mem_block *element;
+
+ ACPI_FUNCTION_ENTRY();
+
+ element = acpi_gbl_global_list->list_head;
+
+ /* Search for the address. */
+
+ while (element) {
+ if (element == allocation) {
+ return (element);
+ }
+
+ element = element->next;
+ }
+
+ return (NULL);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_track_allocation
+ *
+ * PARAMETERS: allocation - Address of allocated memory
+ * size - Size of the allocation
+ * alloc_type - MEM_MALLOC or MEM_CALLOC
+ * component - Component type of caller
+ * module - Source file name of caller
+ * line - Line number of caller
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Inserts an element into the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation,
+ acpi_size size,
+ u8 alloc_type,
+ u32 component, const char *module, u32 line)
+{
+ struct acpi_memory_list *mem_list;
+ struct acpi_debug_mem_block *element;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_track_allocation, allocation);
+
+ if (acpi_gbl_disable_mem_tracking) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ mem_list = acpi_gbl_global_list;
+ status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Search list for this address to make sure it is not already on the list.
+ * This will catch several kinds of problems.
+ */
+ element = acpi_ut_find_allocation(allocation);
+ if (element) {
+ ACPI_ERROR((AE_INFO,
+ "UtTrackAllocation: Allocation already present in list! (%p)",
+ allocation));
+
+ ACPI_ERROR((AE_INFO, "Element %p Address %p",
+ element, allocation));
+
+ goto unlock_and_exit;
+ }
+
+ /* Fill in the instance data. */
+
+ allocation->size = (u32)size;
+ allocation->alloc_type = alloc_type;
+ allocation->component = component;
+ allocation->line = line;
+
+ ACPI_STRNCPY(allocation->module, module, ACPI_MAX_MODULE_NAME);
+ allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0;
+
+ /* Insert at list head */
+
+ if (mem_list->list_head) {
+ ((struct acpi_debug_mem_block *)(mem_list->list_head))->
+ previous = allocation;
+ }
+
+ allocation->next = mem_list->list_head;
+ allocation->previous = NULL;
+
+ mem_list->list_head = allocation;
+
+ unlock_and_exit:
+ status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_remove_allocation
+ *
+ * PARAMETERS: allocation - Address of allocated memory
+ * component - Component type of caller
+ * module - Source file name of caller
+ * line - Line number of caller
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Deletes an element from the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
+ u32 component, const char *module, u32 line)
+{
+ struct acpi_memory_list *mem_list;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_remove_allocation);
+
+ if (acpi_gbl_disable_mem_tracking) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ mem_list = acpi_gbl_global_list;
+ if (NULL == mem_list->list_head) {
+
+ /* No allocations! */
+
+ ACPI_ERROR((module, line,
+ "Empty allocation list, nothing to free!"));
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Unlink */
+
+ if (allocation->previous) {
+ (allocation->previous)->next = allocation->next;
+ } else {
+ mem_list->list_head = allocation->next;
+ }
+
+ if (allocation->next) {
+ (allocation->next)->previous = allocation->previous;
+ }
+
+ /* Mark the segment as deleted */
+
+ ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
+ allocation->size));
+
+ status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_allocation_info
+ *
+ * PARAMETERS:
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print some info about the outstanding allocations.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_allocation_info(void)
+{
+/*
+ struct acpi_memory_list *mem_list;
+*/
+
+ ACPI_FUNCTION_TRACE(ut_dump_allocation_info);
+
+/*
+ ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+ ("%30s: %4d (%3d Kb)\n", "Current allocations",
+ mem_list->current_count,
+ ROUND_UP_TO_1K (mem_list->current_size)));
+
+ ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+ ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
+ mem_list->max_concurrent_count,
+ ROUND_UP_TO_1K (mem_list->max_concurrent_size)));
+
+ ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+ ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
+ running_object_count,
+ ROUND_UP_TO_1K (running_object_size)));
+
+ ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+ ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
+ running_alloc_count,
+ ROUND_UP_TO_1K (running_alloc_size)));
+
+ ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+ ("%30s: %4d (%3d Kb)\n", "Current Nodes",
+ acpi_gbl_current_node_count,
+ ROUND_UP_TO_1K (acpi_gbl_current_node_size)));
+
+ ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+ ("%30s: %4d (%3d Kb)\n", "Max Nodes",
+ acpi_gbl_max_concurrent_node_count,
+ ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count *
+ sizeof (struct acpi_namespace_node)))));
+*/
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_allocations
+ *
+ * PARAMETERS: component - Component(s) to dump info for.
+ * module - Module to dump info for. NULL means all.
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print a list of all outstanding allocations.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_allocations(u32 component, const char *module)
+{
+ struct acpi_debug_mem_block *element;
+ union acpi_descriptor *descriptor;
+ u32 num_outstanding = 0;
+ u8 descriptor_type;
+
+ ACPI_FUNCTION_TRACE(ut_dump_allocations);
+
+ if (acpi_gbl_disable_mem_tracking) {
+ return;
+ }
+
+ /*
+ * Walk the allocation list.
+ */
+ if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
+ return;
+ }
+
+ element = acpi_gbl_global_list->list_head;
+ while (element) {
+ if ((element->component & component) &&
+ ((module == NULL)
+ || (0 == ACPI_STRCMP(module, element->module)))) {
+ descriptor =
+ ACPI_CAST_PTR(union acpi_descriptor,
+ &element->user_space);
+
+ if (element->size <
+ sizeof(struct acpi_common_descriptor)) {
+ acpi_os_printf("%p Length 0x%04X %9.9s-%u "
+ "[Not a Descriptor - too small]\n",
+ descriptor, element->size,
+ element->module, element->line);
+ } else {
+ /* Ignore allocated objects that are in a cache */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(descriptor) !=
+ ACPI_DESC_TYPE_CACHED) {
+ acpi_os_printf
+ ("%p Length 0x%04X %9.9s-%u [%s] ",
+ descriptor, element->size,
+ element->module, element->line,
+ acpi_ut_get_descriptor_name
+ (descriptor));
+
+ /* Validate the descriptor type using Type field and length */
+
+ descriptor_type = 0; /* Not a valid descriptor type */
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE
+ (descriptor)) {
+ case ACPI_DESC_TYPE_OPERAND:
+ if (element->size ==
+ sizeof(union
+ acpi_operand_object))
+ {
+ descriptor_type =
+ ACPI_DESC_TYPE_OPERAND;
+ }
+ break;
+
+ case ACPI_DESC_TYPE_PARSER:
+ if (element->size ==
+ sizeof(union
+ acpi_parse_object)) {
+ descriptor_type =
+ ACPI_DESC_TYPE_PARSER;
+ }
+ break;
+
+ case ACPI_DESC_TYPE_NAMED:
+ if (element->size ==
+ sizeof(struct
+ acpi_namespace_node))
+ {
+ descriptor_type =
+ ACPI_DESC_TYPE_NAMED;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ /* Display additional info for the major descriptor types */
+
+ switch (descriptor_type) {
+ case ACPI_DESC_TYPE_OPERAND:
+ acpi_os_printf
+ ("%12.12s RefCount 0x%04X\n",
+ acpi_ut_get_type_name
+ (descriptor->object.common.
+ type),
+ descriptor->object.common.
+ reference_count);
+ break;
+
+ case ACPI_DESC_TYPE_PARSER:
+ acpi_os_printf
+ ("AmlOpcode 0x%04hX\n",
+ descriptor->op.asl.
+ aml_opcode);
+ break;
+
+ case ACPI_DESC_TYPE_NAMED:
+ acpi_os_printf("%4.4s\n",
+ acpi_ut_get_node_name
+ (&descriptor->
+ node));
+ break;
+
+ default:
+ acpi_os_printf("\n");
+ break;
+ }
+ }
+ }
+
+ num_outstanding++;
+ }
+
+ element = element->next;
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
+
+ /* Print summary */
+
+ if (!num_outstanding) {
+ ACPI_INFO((AE_INFO, "No outstanding allocations"));
+ } else {
+ ACPI_ERROR((AE_INFO, "%u(0x%X) Outstanding allocations",
+ num_outstanding, num_outstanding));
+ }
+
+ return_VOID;
+}
+
+#endif /* ACPI_DBG_TRACK_ALLOCATIONS */