summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/utilities
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/utilities')
-rw-r--r--drivers/acpi/utilities/Makefile2
-rw-r--r--drivers/acpi/utilities/utalloc.c304
-rw-r--r--drivers/acpi/utilities/utcache.c322
-rw-r--r--drivers/acpi/utilities/utdebug.c4
-rw-r--r--drivers/acpi/utilities/utglobal.c38
-rw-r--r--drivers/acpi/utilities/utinit.c2
-rw-r--r--drivers/acpi/utilities/utmisc.c689
-rw-r--r--drivers/acpi/utilities/utmutex.c380
-rw-r--r--drivers/acpi/utilities/utobject.c34
-rw-r--r--drivers/acpi/utilities/utstate.c376
-rw-r--r--drivers/acpi/utilities/utxface.c23
11 files changed, 1221 insertions, 953 deletions
diff --git a/drivers/acpi/utilities/Makefile b/drivers/acpi/utilities/Makefile
index 939c447dd52a..e87108b7338a 100644
--- a/drivers/acpi/utilities/Makefile
+++ b/drivers/acpi/utilities/Makefile
@@ -3,6 +3,6 @@
#
obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
- utcopy.o utdelete.o utglobal.o utmath.o utobject.o
+ utcopy.o utdelete.o utglobal.o utmath.o utobject.o utstate.o utmutex.o utobject.o utcache.o
EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index c4e7f989a2bd..5061c6f0ee66 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Module Name: utalloc - local cache and memory allocation routines
+ * Module Name: utalloc - local memory allocation routines
*
*****************************************************************************/
@@ -52,12 +52,10 @@
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
static struct acpi_debug_mem_block *
acpi_ut_find_allocation (
- u32 list_id,
void *allocation);
static acpi_status
acpi_ut_track_allocation (
- u32 list_id,
struct acpi_debug_mem_block *address,
acpi_size size,
u8 alloc_type,
@@ -67,206 +65,118 @@ acpi_ut_track_allocation (
static acpi_status
acpi_ut_remove_allocation (
- u32 list_id,
struct acpi_debug_mem_block *address,
u32 component,
char *module,
u32 line);
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_release_to_cache
- *
- * PARAMETERS: list_id - Memory list/cache ID
- * Object - The object to be released
- *
- * RETURN: None
- *
- * DESCRIPTION: Release an object to the specified cache. If cache is full,
- * the object is deleted.
- *
- ******************************************************************************/
-
-void
-acpi_ut_release_to_cache (
- u32 list_id,
- void *object)
-{
- struct acpi_memory_list *cache_info;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- cache_info = &acpi_gbl_memory_lists[list_id];
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-
- /* If walk cache is full, just free this wallkstate object */
-
- if (cache_info->cache_depth >= cache_info->max_cache_depth) {
- ACPI_MEM_FREE (object);
- ACPI_MEM_TRACKING (cache_info->total_freed++);
- }
-
- /* Otherwise put this object back into the cache */
-
- else {
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
- return;
- }
-
- /* Mark the object as cached */
-
- ACPI_MEMSET (object, 0xCA, cache_info->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_info->link_offset]))) = cache_info->list_head;
- cache_info->list_head = object;
- cache_info->cache_depth++;
-
- (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
- }
-
-#else
-
- /* Object cache is disabled; just free the object */
-
- ACPI_MEM_FREE (object);
- ACPI_MEM_TRACKING (cache_info->total_freed++);
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+static acpi_status
+acpi_ut_create_list (
+ char *list_name,
+ u16 object_size,
+ acpi_handle *return_cache);
#endif
-}
/*******************************************************************************
*
- * FUNCTION: acpi_ut_acquire_from_cache
+ * FUNCTION: acpi_ut_create_caches
*
- * PARAMETERS: list_id - Memory list ID
+ * PARAMETERS: None
*
- * RETURN: A requested object. NULL if the object could not be
- * allocated.
+ * RETURN: Status
*
- * DESCRIPTION: Get an object from the specified cache. If cache is empty,
- * the object is allocated.
+ * DESCRIPTION: Create all local caches
*
******************************************************************************/
-void *
-acpi_ut_acquire_from_cache (
- u32 list_id)
+acpi_status
+acpi_ut_create_caches (
+ void)
{
- struct acpi_memory_list *cache_info;
- void *object;
-
-
- ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+ acpi_status status;
- cache_info = &acpi_gbl_memory_lists[list_id];
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-#ifdef ACPI_ENABLE_OBJECT_CACHE
+ /* Memory allocation lists */
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
+ status = acpi_ut_create_list ("Acpi-Global", 0,
+ &acpi_gbl_global_list);
+ if (ACPI_FAILURE (status)) {
+ return (status);
}
- ACPI_MEM_TRACKING (cache_info->cache_requests++);
-
- /* Check the cache first */
-
- if (cache_info->list_head) {
- /* There is an object available, use it */
-
- object = cache_info->list_head;
- cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
- &(((char *) object)[cache_info->link_offset])));
-
- ACPI_MEM_TRACKING (cache_info->cache_hits++);
- cache_info->cache_depth--;
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
- object, acpi_gbl_memory_lists[list_id].list_name));
+ status = acpi_ut_create_list ("Acpi-Namespace", sizeof (struct acpi_namespace_node),
+ &acpi_gbl_ns_node_list);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
#endif
- if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
- }
-
- /* Clear (zero) the previously used Object */
+ /* Object Caches, for frequently used objects */
- ACPI_MEMSET (object, 0, cache_info->object_size);
+ status = acpi_os_create_cache ("acpi_state", sizeof (union acpi_generic_state),
+ ACPI_MAX_STATE_CACHE_DEPTH, &acpi_gbl_state_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
}
- else {
- /* The cache is empty, create a new object */
-
- /* Avoid deadlock with ACPI_MEM_CALLOCATE */
-
- if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
- }
-
- object = ACPI_MEM_CALLOCATE (cache_info->object_size);
- ACPI_MEM_TRACKING (cache_info->total_allocated++);
+ status = acpi_os_create_cache ("acpi_parse", sizeof (struct acpi_parse_obj_common),
+ ACPI_MAX_PARSE_CACHE_DEPTH, &acpi_gbl_ps_node_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
}
-#else
-
- /* Object cache is disabled; just allocate the object */
+ status = acpi_os_create_cache ("acpi_parse_ext", sizeof (struct acpi_parse_obj_named),
+ ACPI_MAX_EXTPARSE_CACHE_DEPTH, &acpi_gbl_ps_node_ext_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
- object = ACPI_MEM_CALLOCATE (cache_info->object_size);
- ACPI_MEM_TRACKING (cache_info->total_allocated++);
-#endif
+ status = acpi_os_create_cache ("acpi_operand", sizeof (union acpi_operand_object),
+ ACPI_MAX_OBJECT_CACHE_DEPTH, &acpi_gbl_operand_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
- return (object);
+ return (AE_OK);
}
-#ifdef ACPI_ENABLE_OBJECT_CACHE
/*******************************************************************************
*
- * FUNCTION: acpi_ut_delete_generic_cache
+ * FUNCTION: acpi_ut_delete_caches
*
- * PARAMETERS: list_id - Memory list ID
+ * PARAMETERS: None
*
- * RETURN: None
+ * RETURN: Status
*
- * DESCRIPTION: Free all objects within the requested cache.
+ * DESCRIPTION: Purge and delete all local caches
*
******************************************************************************/
-void
-acpi_ut_delete_generic_cache (
- u32 list_id)
+acpi_status
+acpi_ut_delete_caches (
+ void)
{
- struct acpi_memory_list *cache_info;
- char *next;
+ (void) acpi_os_delete_cache (acpi_gbl_state_cache);
+ acpi_gbl_state_cache = NULL;
- ACPI_FUNCTION_ENTRY ();
-
+ (void) acpi_os_delete_cache (acpi_gbl_operand_cache);
+ acpi_gbl_operand_cache = NULL;
- cache_info = &acpi_gbl_memory_lists[list_id];
- while (cache_info->list_head) {
- /* Delete one cached state object */
+ (void) acpi_os_delete_cache (acpi_gbl_ps_node_cache);
+ acpi_gbl_ps_node_cache = NULL;
- next = *(ACPI_CAST_INDIRECT_PTR (char,
- &(((char *) cache_info->list_head)[cache_info->link_offset])));
- ACPI_MEM_FREE (cache_info->list_head);
+ (void) acpi_os_delete_cache (acpi_gbl_ps_node_ext_cache);
+ acpi_gbl_ps_node_ext_cache = NULL;
- cache_info->list_head = next;
- cache_info->cache_depth--;
- }
+ return (AE_OK);
}
-#endif
-
/*******************************************************************************
*
@@ -500,6 +410,43 @@ acpi_ut_callocate (
* occurs in the body of acpi_ut_free.
*/
+/*******************************************************************************
+ *
+ * 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
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_create_list (
+ char *list_name,
+ u16 object_size,
+ acpi_handle *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);
+}
+
/*******************************************************************************
*
@@ -533,15 +480,15 @@ acpi_ut_allocate_and_track (
return (NULL);
}
- status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+ 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_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+ acpi_gbl_global_list->total_allocated++;
+ acpi_gbl_global_list->current_total_size += (u32) size;
return ((void *) &allocation->user_space);
}
@@ -583,15 +530,15 @@ acpi_ut_callocate_and_track (
return (NULL);
}
- status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+ 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_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+ acpi_gbl_global_list->total_allocated++;
+ acpi_gbl_global_list->current_total_size += (u32) size;
return ((void *) &allocation->user_space);
}
@@ -636,10 +583,10 @@ acpi_ut_free_and_track (
debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block,
(((char *) allocation) - sizeof (struct acpi_debug_mem_header)));
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size;
+ acpi_gbl_global_list->total_freed++;
+ acpi_gbl_global_list->current_total_size -= debug_block->size;
- status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block,
+ status = acpi_ut_remove_allocation (debug_block,
component, module, line);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
@@ -658,8 +605,7 @@ acpi_ut_free_and_track (
*
* FUNCTION: acpi_ut_find_allocation
*
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
+ * PARAMETERS: Allocation - Address of allocated memory
*
* RETURN: A list element if found; NULL otherwise.
*
@@ -669,7 +615,6 @@ acpi_ut_free_and_track (
static struct acpi_debug_mem_block *
acpi_ut_find_allocation (
- u32 list_id,
void *allocation)
{
struct acpi_debug_mem_block *element;
@@ -678,11 +623,7 @@ acpi_ut_find_allocation (
ACPI_FUNCTION_ENTRY ();
- if (list_id > ACPI_MEM_LIST_MAX) {
- return (NULL);
- }
-
- element = acpi_gbl_memory_lists[list_id].list_head;
+ element = acpi_gbl_global_list->list_head;
/* Search for the address. */
@@ -702,8 +643,7 @@ acpi_ut_find_allocation (
*
* FUNCTION: acpi_ut_track_allocation
*
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
+ * PARAMETERS: Allocation - Address of allocated memory
* Size - Size of the allocation
* alloc_type - MEM_MALLOC or MEM_CALLOC
* Component - Component type of caller
@@ -718,7 +658,6 @@ acpi_ut_find_allocation (
static acpi_status
acpi_ut_track_allocation (
- u32 list_id,
struct acpi_debug_mem_block *allocation,
acpi_size size,
u8 alloc_type,
@@ -734,11 +673,7 @@ acpi_ut_track_allocation (
ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation);
- if (list_id > ACPI_MEM_LIST_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- mem_list = &acpi_gbl_memory_lists[list_id];
+ mem_list = acpi_gbl_global_list;
status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
@@ -748,8 +683,7 @@ acpi_ut_track_allocation (
* 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 (list_id, allocation);
+ element = acpi_ut_find_allocation (allocation);
if (element) {
ACPI_REPORT_ERROR ((
"ut_track_allocation: Allocation already present in list! (%p)\n",
@@ -793,8 +727,7 @@ unlock_and_exit:
*
* FUNCTION: acpi_ut_remove_allocation
*
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
+ * PARAMETERS: Allocation - Address of allocated memory
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
@@ -807,7 +740,6 @@ unlock_and_exit:
static acpi_status
acpi_ut_remove_allocation (
- u32 list_id,
struct acpi_debug_mem_block *allocation,
u32 component,
char *module,
@@ -820,11 +752,7 @@ acpi_ut_remove_allocation (
ACPI_FUNCTION_TRACE ("ut_remove_allocation");
- if (list_id > ACPI_MEM_LIST_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- mem_list = &acpi_gbl_memory_lists[list_id];
+ mem_list = acpi_gbl_global_list;
if (NULL == mem_list->list_head) {
/* No allocations! */
@@ -959,7 +887,7 @@ acpi_ut_dump_allocations (
return;
}
- element = acpi_gbl_memory_lists[0].list_head;
+ element = acpi_gbl_global_list->list_head;
while (element) {
if ((element->component & component) &&
((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
new file mode 100644
index 000000000000..07588812e72d
--- /dev/null
+++ b/drivers/acpi/utilities/utcache.c
@@ -0,0 +1,322 @@
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+
+#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;
+
+
+ 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_FUNCTION_ENTRY ();
+
+
+ if (!cache) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* 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_MEM_FREE (cache->list_head);
+
+ cache->list_head = next;
+ cache->current_depth--;
+ }
+
+ 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;
+
+
+ /* 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_MEM_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 ("ut_acquire_from_cache");
+
+
+ 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_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+ "Object %p from %s\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++);
+
+ /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+
+ status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return (NULL);
+ }
+
+ object = ACPI_MEM_CALLOCATE (cache->object_size);
+ if (!object) {
+ return (NULL);
+ }
+ }
+
+ return (object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
+
+
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 794c7df3f2ad..08362f686ec1 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -549,7 +549,7 @@ acpi_ut_dump_buffer (
/* Dump fill spaces */
acpi_os_printf ("%*s", ((display * 2) + 1), " ");
- j += display;
+ j += (acpi_native_uint) display;
continue;
}
@@ -584,7 +584,7 @@ acpi_ut_dump_buffer (
break;
}
- j += display;
+ j += (acpi_native_uint) display;
}
/*
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 4146019b543f..8653dda4f813 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -820,42 +820,20 @@ void
acpi_ut_init_globals (
void)
{
+ acpi_status status;
u32 i;
ACPI_FUNCTION_TRACE ("ut_init_globals");
- /* Memory allocation and cache lists */
-
- ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
-
- acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL);
-
- acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size = sizeof (struct acpi_namespace_node);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size = sizeof (union acpi_generic_state);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size = sizeof (struct acpi_parse_obj_common);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size = sizeof (union acpi_operand_object);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size = sizeof (struct acpi_walk_state);
-
- acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth = ACPI_MAX_STATE_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth = ACPI_MAX_WALK_CACHE_DEPTH;
-
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name = "Global Memory Allocation");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name = "Namespace Nodes");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name = "State Object Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name = "Parse Node Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name = "Operand Object Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name = "Tree Walk Node Cache");
+ /* Create all memory caches */
+
+ status = acpi_ut_create_caches ();
+ if (ACPI_FAILURE (status))
+ {
+ return;
+ }
/* ACPI table structure */
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index 7f3713889ff0..fd7ceba83229 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -264,7 +264,7 @@ acpi_ut_subsystem_shutdown (
/* Purge the local caches */
- (void) acpi_purge_cached_objects ();
+ (void) acpi_ut_delete_caches ();
/* Debug only - display leftover memory allocation, if any */
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index bb658777fa88..207c836aec64 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,16 +49,6 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utmisc")
-/* Local prototypes */
-
-static acpi_status
-acpi_ut_create_mutex (
- acpi_mutex_handle mutex_id);
-
-static acpi_status
-acpi_ut_delete_mutex (
- acpi_mutex_handle mutex_id);
-
/*******************************************************************************
*
@@ -84,6 +74,10 @@ acpi_ut_strupr (
ACPI_FUNCTION_ENTRY ();
+ if (!src_string) {
+ return (NULL);
+ }
+
/* Walk entire string, uppercasing the letters */
for (string = src_string; *string; string++) {
@@ -543,326 +537,6 @@ error_exit:
/*******************************************************************************
*
- * FUNCTION: acpi_ut_mutex_initialize
- *
- * PARAMETERS: None.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create the system mutex objects.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_mutex_initialize (
- void)
-{
- u32 i;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
-
-
- /*
- * Create each of the predefined mutex objects
- */
- for (i = 0; i < NUM_MUTEX; i++) {
- status = acpi_ut_create_mutex (i);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
- }
-
- status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_mutex_terminate
- *
- * PARAMETERS: None.
- *
- * RETURN: None.
- *
- * DESCRIPTION: Delete all of the system mutex objects.
- *
- ******************************************************************************/
-
-void
-acpi_ut_mutex_terminate (
- void)
-{
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
-
-
- /*
- * Delete each predefined mutex object
- */
- for (i = 0; i < NUM_MUTEX; i++) {
- (void) acpi_ut_delete_mutex (i);
- }
-
- acpi_os_delete_lock (acpi_gbl_gpe_lock);
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be created
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a mutex object.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_create_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
-
-
- if (mutex_id > MAX_MUTEX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- if (!acpi_gbl_mutex_info[mutex_id].mutex) {
- status = acpi_os_create_semaphore (1, 1,
- &acpi_gbl_mutex_info[mutex_id].mutex);
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
- acpi_gbl_mutex_info[mutex_id].use_count = 0;
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be deleted
- *
- * RETURN: Status
- *
- * DESCRIPTION: Delete a mutex object.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_delete_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
-
-
- if (mutex_id > MAX_MUTEX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
-
- acpi_gbl_mutex_info[mutex_id].mutex = NULL;
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_acquire_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be acquired
- *
- * RETURN: Status
- *
- * DESCRIPTION: Acquire a mutex object.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_acquire_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status;
- u32 this_thread_id;
-
-
- ACPI_FUNCTION_NAME ("ut_acquire_mutex");
-
-
- if (mutex_id > MAX_MUTEX) {
- return (AE_BAD_PARAMETER);
- }
-
- this_thread_id = acpi_os_get_thread_id ();
-
-#ifdef ACPI_MUTEX_DEBUG
- {
- u32 i;
- /*
- * Mutex debug code, for internal debugging only.
- *
- * Deadlock prevention. Check if this thread owns any mutexes of value
- * greater than or equal to this one. If so, the thread has violated
- * the mutex ordering rule. This indicates a coding error somewhere in
- * the ACPI subsystem code.
- */
- for (i = mutex_id; i < MAX_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
- if (i == mutex_id) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Mutex [%s] already acquired by this thread [%X]\n",
- acpi_ut_get_mutex_name (mutex_id), this_thread_id));
-
- return (AE_ALREADY_ACQUIRED);
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (i),
- acpi_ut_get_mutex_name (mutex_id)));
-
- return (AE_ACQUIRE_DEADLOCK);
- }
- }
- }
-#endif
-
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
- "Thread %X attempting to acquire Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-
- status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
- 1, ACPI_WAIT_FOREVER);
- if (ACPI_SUCCESS (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-
- acpi_gbl_mutex_info[mutex_id].use_count++;
- acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Thread %X could not acquire Mutex [%s] %s\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id),
- acpi_format_exception (status)));
- }
-
- return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_release_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be released
- *
- * RETURN: Status
- *
- * DESCRIPTION: Release a mutex object.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_release_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status;
- u32 this_thread_id;
-
-
- ACPI_FUNCTION_NAME ("ut_release_mutex");
-
-
- this_thread_id = acpi_os_get_thread_id ();
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
- "Thread %X releasing Mutex [%s]\n", this_thread_id,
- acpi_ut_get_mutex_name (mutex_id)));
-
- if (mutex_id > MAX_MUTEX) {
- return (AE_BAD_PARAMETER);
- }
-
- /*
- * Mutex must be acquired in order to release it!
- */
- if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Mutex [%s] is not acquired, cannot release\n",
- acpi_ut_get_mutex_name (mutex_id)));
-
- return (AE_NOT_ACQUIRED);
- }
-
-#ifdef ACPI_MUTEX_DEBUG
- {
- u32 i;
- /*
- * Mutex debug code, for internal debugging only.
- *
- * Deadlock prevention. Check if this thread owns any mutexes of value
- * greater than this one. If so, the thread has violated the mutex
- * ordering rule. This indicates a coding error somewhere in
- * the ACPI subsystem code.
- */
- for (i = mutex_id; i < MAX_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
- if (i == mutex_id) {
- continue;
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid release order: owns [%s], releasing [%s]\n",
- acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
-
- return (AE_RELEASE_DEADLOCK);
- }
- }
- }
-#endif
-
- /* Mark unlocked FIRST */
-
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-
- status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
-
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Thread %X could not release Mutex [%s] %s\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id),
- acpi_format_exception (status)));
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
- }
-
- return (status);
-}
-
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_create_update_state_and_push
*
* PARAMETERS: Object - Object to be added to the new state
@@ -905,361 +579,6 @@ acpi_ut_create_update_state_and_push (
/*******************************************************************************
*
- * FUNCTION: acpi_ut_create_pkg_state_and_push
- *
- * PARAMETERS: Object - Object to be added to the new state
- * Action - Increment/Decrement
- * state_list - List the state will be added to
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a new state and push it
- *
- ******************************************************************************/
-
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_ut_create_pkg_state_and_push (
- void *internal_object,
- void *external_object,
- u16 index,
- union acpi_generic_state **state_list)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- state = acpi_ut_create_pkg_state (internal_object, external_object, index);
- if (!state) {
- return (AE_NO_MEMORY);
- }
-
- acpi_ut_push_generic_state (state_list, state);
- return (AE_OK);
-}
-#endif /* ACPI_FUTURE_USAGE */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_push_generic_state
- *
- * PARAMETERS: list_head - Head of the state stack
- * State - State object to push
- *
- * RETURN: None
- *
- * DESCRIPTION: Push a state object onto a state stack
- *
- ******************************************************************************/
-
-void
-acpi_ut_push_generic_state (
- union acpi_generic_state **list_head,
- union acpi_generic_state *state)
-{
- ACPI_FUNCTION_TRACE ("ut_push_generic_state");
-
-
- /* Push the state object onto the front of the list (stack) */
-
- state->common.next = *list_head;
- *list_head = state;
-
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_pop_generic_state
- *
- * PARAMETERS: list_head - Head of the state stack
- *
- * RETURN: The popped state object
- *
- * DESCRIPTION: Pop a state object from a state stack
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_pop_generic_state (
- union acpi_generic_state **list_head)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
-
-
- /* Remove the state object at the head of the list (stack) */
-
- state = *list_head;
- if (state) {
- /* Update the list head */
-
- *list_head = state->common.next;
- }
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_generic_state
- *
- * PARAMETERS: None
- *
- * RETURN: The new state object. NULL on failure.
- *
- * DESCRIPTION: Create a generic state object. Attempt to obtain one from
- * the global state cache; If none available, create a new one.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_generic_state (
- void)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_STATE);
-
- /* Initialize */
-
- if (state) {
- state->common.data_type = ACPI_DESC_TYPE_STATE;
- }
-
- return (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_thread_state
- *
- * PARAMETERS: None
- *
- * RETURN: New Thread State. NULL on failure
- *
- * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
- * to track per-thread info during method execution
- *
- ******************************************************************************/
-
-struct acpi_thread_state *
-acpi_ut_create_thread_state (
- void)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE ("ut_create_thread_state");
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the update struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
- state->thread.thread_id = acpi_os_get_thread_id ();
-
- return_PTR ((struct acpi_thread_state *) state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_update_state
- *
- * PARAMETERS: Object - Initial Object to be installed in the state
- * Action - Update action to be performed
- *
- * RETURN: New state object, null on failure
- *
- * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
- * to update reference counts and delete complex objects such
- * as packages.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_update_state (
- union acpi_operand_object *object,
- u16 action)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the update struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
- state->update.object = object;
- state->update.value = action;
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_pkg_state
- *
- * PARAMETERS: Object - Initial Object to be installed in the state
- * Action - Update action to be performed
- *
- * RETURN: New state object, null on failure
- *
- * DESCRIPTION: Create a "Package State"
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_pkg_state (
- void *internal_object,
- void *external_object,
- u16 index)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the update struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
- state->pkg.source_object = (union acpi_operand_object *) internal_object;
- state->pkg.dest_object = external_object;
- state->pkg.index = index;
- state->pkg.num_packages = 1;
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_control_state
- *
- * PARAMETERS: None
- *
- * RETURN: New state object, null on failure
- *
- * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
- * to support nested IF/WHILE constructs in the AML.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_control_state (
- void)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE ("ut_create_control_state");
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the control struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
- state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_generic_state
- *
- * PARAMETERS: State - The state object to be deleted
- *
- * RETURN: None
- *
- * DESCRIPTION: Put a state object back into the global state cache. The object
- * is not actually freed at this time.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_state (
- union acpi_generic_state *state)
-{
- ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
-
-
- acpi_ut_release_to_cache (ACPI_MEM_LIST_STATE, state);
- return_VOID;
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_generic_state_cache
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Purge the global state object cache. Used during subsystem
- * termination.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_state_cache (
- void)
-{
- ACPI_FUNCTION_TRACE ("ut_delete_generic_state_cache");
-
-
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_STATE);
- return_VOID;
-}
-#endif
-
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_walk_package_tree
*
* PARAMETERS: source_object - The package to walk
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
new file mode 100644
index 000000000000..a80b97cb2e56
--- /dev/null
+++ b/drivers/acpi/utilities/utmutex.c
@@ -0,0 +1,380 @@
+/*******************************************************************************
+ *
+ * Module Name: utmutex - local mutex support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME ("utmutex")
+
+/* Local prototypes */
+
+static acpi_status
+acpi_ut_create_mutex (
+ acpi_mutex_handle mutex_id);
+
+static acpi_status
+acpi_ut_delete_mutex (
+ acpi_mutex_handle mutex_id);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_mutex_initialize
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create the system mutex objects.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_mutex_initialize (
+ void)
+{
+ u32 i;
+ acpi_status status;
+
+
+ ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
+
+
+ /*
+ * Create each of the predefined mutex objects
+ */
+ for (i = 0; i < NUM_MUTEX; i++) {
+ status = acpi_ut_create_mutex (i);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+ }
+
+ status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_mutex_terminate
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_mutex_terminate (
+ void)
+{
+ u32 i;
+
+
+ ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
+
+
+ /*
+ * Delete each predefined mutex object
+ */
+ for (i = 0; i < NUM_MUTEX; i++) {
+ (void) acpi_ut_delete_mutex (i);
+ }
+
+ acpi_os_delete_lock (acpi_gbl_gpe_lock);
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_create_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status = AE_OK;
+
+
+ ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
+
+
+ if (mutex_id > MAX_MUTEX) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ if (!acpi_gbl_mutex_info[mutex_id].mutex) {
+ status = acpi_os_create_semaphore (1, 1,
+ &acpi_gbl_mutex_info[mutex_id].mutex);
+ acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[mutex_id].use_count = 0;
+ }
+
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be deleted
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_delete_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+
+
+ ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
+
+
+ if (mutex_id > MAX_MUTEX) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
+
+ acpi_gbl_mutex_info[mutex_id].mutex = NULL;
+ acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_acquire_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be acquired
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_acquire_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+ u32 this_thread_id;
+
+
+ ACPI_FUNCTION_NAME ("ut_acquire_mutex");
+
+
+ if (mutex_id > MAX_MUTEX) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ this_thread_id = acpi_os_get_thread_id ();
+
+#ifdef ACPI_MUTEX_DEBUG
+ {
+ u32 i;
+ /*
+ * Mutex debug code, for internal debugging only.
+ *
+ * Deadlock prevention. Check if this thread owns any mutexes of value
+ * greater than or equal to this one. If so, the thread has violated
+ * the mutex ordering rule. This indicates a coding error somewhere in
+ * the ACPI subsystem code.
+ */
+ for (i = mutex_id; i < MAX_MUTEX; i++) {
+ if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+ if (i == mutex_id) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Mutex [%s] already acquired by this thread [%X]\n",
+ acpi_ut_get_mutex_name (mutex_id), this_thread_id));
+
+ return (AE_ALREADY_ACQUIRED);
+ }
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (i),
+ acpi_ut_get_mutex_name (mutex_id)));
+
+ return (AE_ACQUIRE_DEADLOCK);
+ }
+ }
+ }
+#endif
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+ "Thread %X attempting to acquire Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+
+ status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
+ 1, ACPI_WAIT_FOREVER);
+ if (ACPI_SUCCESS (status)) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+
+ acpi_gbl_mutex_info[mutex_id].use_count++;
+ acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
+ }
+ else {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Thread %X could not acquire Mutex [%s] %s\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+ acpi_format_exception (status)));
+ }
+
+ return (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_release_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be released
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_release_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+ u32 this_thread_id;
+
+
+ ACPI_FUNCTION_NAME ("ut_release_mutex");
+
+
+ this_thread_id = acpi_os_get_thread_id ();
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+ "Thread %X releasing Mutex [%s]\n", this_thread_id,
+ acpi_ut_get_mutex_name (mutex_id)));
+
+ if (mutex_id > MAX_MUTEX) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Mutex must be acquired in order to release it!
+ */
+ if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Mutex [%s] is not acquired, cannot release\n",
+ acpi_ut_get_mutex_name (mutex_id)));
+
+ return (AE_NOT_ACQUIRED);
+ }
+
+#ifdef ACPI_MUTEX_DEBUG
+ {
+ u32 i;
+ /*
+ * Mutex debug code, for internal debugging only.
+ *
+ * Deadlock prevention. Check if this thread owns any mutexes of value
+ * greater than this one. If so, the thread has violated the mutex
+ * ordering rule. This indicates a coding error somewhere in
+ * the ACPI subsystem code.
+ */
+ for (i = mutex_id; i < MAX_MUTEX; i++) {
+ if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+ if (i == mutex_id) {
+ continue;
+ }
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Invalid release order: owns [%s], releasing [%s]\n",
+ acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
+
+ return (AE_RELEASE_DEADLOCK);
+ }
+ }
+ }
+#endif
+
+ /* Mark unlocked FIRST */
+
+ acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+ status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
+
+ if (ACPI_FAILURE (status)) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Thread %X could not release Mutex [%s] %s\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+ acpi_format_exception (status)));
+ }
+ else {
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+ }
+
+ return (status);
+}
+
+
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index cd3899b9cc5a..19178e142951 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -338,7 +338,7 @@ acpi_ut_allocate_object_desc_dbg (
ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg");
- object = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_OPERAND);
+ object = acpi_os_acquire_object (acpi_gbl_operand_cache);
if (!object) {
_ACPI_REPORT_ERROR (module_name, line_number, component_id,
("Could not allocate an object descriptor\n"));
@@ -347,7 +347,7 @@ acpi_ut_allocate_object_desc_dbg (
}
/* Mark the descriptor type */
-
+ memset(object, 0, sizeof(union acpi_operand_object));
ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
@@ -385,37 +385,9 @@ acpi_ut_delete_object_desc (
return_VOID;
}
- acpi_ut_release_to_cache (ACPI_MEM_LIST_OPERAND, object);
-
- return_VOID;
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_object_cache
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Purge the global state object cache. Used during subsystem
- * termination.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_object_cache (
- void)
-{
- ACPI_FUNCTION_TRACE ("ut_delete_object_cache");
-
-
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_OPERAND);
+ (void) acpi_os_release_object (acpi_gbl_operand_cache, object);
return_VOID;
}
-#endif
/*******************************************************************************
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
new file mode 100644
index 000000000000..192e7ac95690
--- /dev/null
+++ b/drivers/acpi/utilities/utstate.c
@@ -0,0 +1,376 @@
+/*******************************************************************************
+ *
+ * Module Name: utstate - state object support procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME ("utstate")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_pkg_state_and_push
+ *
+ * PARAMETERS: Object - Object to be added to the new state
+ * Action - Increment/Decrement
+ * state_list - List the state will be added to
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_create_pkg_state_and_push (
+ void *internal_object,
+ void *external_object,
+ u16 index,
+ union acpi_generic_state **state_list)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ state = acpi_ut_create_pkg_state (internal_object, external_object, index);
+ if (!state) {
+ return (AE_NO_MEMORY);
+ }
+
+ acpi_ut_push_generic_state (state_list, state);
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_push_generic_state
+ *
+ * PARAMETERS: list_head - Head of the state stack
+ * State - State object to push
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_push_generic_state (
+ union acpi_generic_state **list_head,
+ union acpi_generic_state *state)
+{
+ ACPI_FUNCTION_TRACE ("ut_push_generic_state");
+
+
+ /* Push the state object onto the front of the list (stack) */
+
+ state->common.next = *list_head;
+ *list_head = state;
+
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_pop_generic_state
+ *
+ * PARAMETERS: list_head - Head of the state stack
+ *
+ * RETURN: The popped state object
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_pop_generic_state (
+ union acpi_generic_state **list_head)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
+
+
+ /* Remove the state object at the head of the list (stack) */
+
+ state = *list_head;
+ if (state) {
+ /* Update the list head */
+
+ *list_head = state->common.next;
+ }
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_generic_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: The new state object. NULL on failure.
+ *
+ * DESCRIPTION: Create a generic state object. Attempt to obtain one from
+ * the global state cache; If none available, create a new one.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_generic_state (
+ void)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ state = acpi_os_acquire_object (acpi_gbl_state_cache);
+ if (state) {
+ /* Initialize */
+ memset(state, 0, sizeof(union acpi_generic_state));
+ state->common.data_type = ACPI_DESC_TYPE_STATE;
+ }
+
+ return (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_thread_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: New Thread State. NULL on failure
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ * to track per-thread info during method execution
+ *
+ ******************************************************************************/
+
+struct acpi_thread_state *
+acpi_ut_create_thread_state (
+ void)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE ("ut_create_thread_state");
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
+ state->thread.thread_id = acpi_os_get_thread_id ();
+
+ return_PTR ((struct acpi_thread_state *) state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_update_state
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the state
+ * Action - Update action to be performed
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ * to update reference counts and delete complex objects such
+ * as packages.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_update_state (
+ union acpi_operand_object *object,
+ u16 action)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
+ state->update.object = object;
+ state->update.value = action;
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_pkg_state
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the state
+ * Action - Update action to be performed
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_pkg_state (
+ void *internal_object,
+ void *external_object,
+ u16 index)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
+ state->pkg.source_object = (union acpi_operand_object *) internal_object;
+ state->pkg.dest_object = external_object;
+ state->pkg.index = index;
+ state->pkg.num_packages = 1;
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_control_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ * to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_control_state (
+ void)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE ("ut_create_control_state");
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the control struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
+ state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_generic_state
+ *
+ * PARAMETERS: State - The state object to be deleted
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Put a state object back into the global state cache. The object
+ * is not actually freed at this time.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_delete_generic_state (
+ union acpi_generic_state *state)
+{
+ ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
+
+
+ (void) acpi_os_release_object (acpi_gbl_state_cache, state);
+ return_VOID;
+}
+
+
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index e8803d810656..850da6817423 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -46,8 +46,6 @@
#include <acpi/acpi.h>
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
#include <acpi/acdebug.h>
#define _COMPONENT ACPI_UTILITIES
@@ -79,11 +77,6 @@ acpi_initialize_subsystem (
ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
-
- /* Initialize all globals used by the subsystem */
-
- acpi_ut_init_globals ();
-
/* Initialize the OS-Dependent layer */
status = acpi_os_initialize ();
@@ -93,6 +86,10 @@ acpi_initialize_subsystem (
return_ACPI_STATUS (status);
}
+ /* Initialize all globals used by the subsystem */
+
+ acpi_ut_init_globals ();
+
/* Create the default mutex objects */
status = acpi_ut_mutex_initialize ();
@@ -522,13 +519,9 @@ acpi_purge_cached_objects (
{
ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects");
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
- acpi_ut_delete_generic_state_cache ();
- acpi_ut_delete_object_cache ();
- acpi_ds_delete_walk_state_cache ();
- acpi_ps_delete_parse_cache ();
-#endif
-
+ (void) acpi_os_purge_cache (acpi_gbl_state_cache);
+ (void) acpi_os_purge_cache (acpi_gbl_operand_cache);
+ (void) acpi_os_purge_cache (acpi_gbl_ps_node_cache);
+ (void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache);
return_ACPI_STATUS (AE_OK);
}