/******************************************************************************
*
- * Module Name: utalloc - local cache and memory allocation routines
+ * Module Name: utalloc - local memory allocation routines
*
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("utalloc")
-
+ACPI_MODULE_NAME("utalloc")
-/******************************************************************************
+/*******************************************************************************
*
- * FUNCTION: acpi_ut_release_to_cache
+ * FUNCTION: acpi_ut_create_caches
*
- * PARAMETERS: list_id - Memory list/cache ID
- * Object - The object to be released
+ * PARAMETERS: None
*
- * RETURN: None
+ * RETURN: Status
*
- * DESCRIPTION: Release an object to the specified cache. If cache is full,
- * the object is deleted.
+ * DESCRIPTION: Create all local caches
*
******************************************************************************/
-
-void
-acpi_ut_release_to_cache (
- u32 list_id,
- void *object)
+acpi_status acpi_ut_create_caches(void)
{
- struct acpi_memory_list *cache_info;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- cache_info = &acpi_gbl_memory_lists[list_id];
+ acpi_status status;
-#ifdef ACPI_ENABLE_OBJECT_CACHE
+ /* Object Caches, for frequently used objects */
- /* 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++);
+ status =
+ acpi_os_create_cache("Acpi-Namespace",
+ sizeof(struct acpi_namespace_node),
+ ACPI_MAX_NAMESPACE_CACHE_DEPTH,
+ &acpi_gbl_namespace_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
}
- /* Otherwise put this object back into the cache */
+ 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 {
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
- return;
- }
+ 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);
+ }
- /* Mark the object as cached */
+ status =
+ acpi_os_create_cache("Acpi-ParseExt",
+ sizeof(struct acpi_parse_obj_named),
+ ACPI_MAX_EXTPARSE_CACHE_DEPTH,
+ &acpi_gbl_ps_node_ext_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
- ACPI_MEMSET (object, 0xCA, cache_info->object_size);
- ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
+ 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);
+ }
- /* Put the object at the head of the cache list */
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
- * (ACPI_CAST_INDIRECT_PTR (char, &(((char *) object)[cache_info->link_offset]))) = cache_info->list_head;
- cache_info->list_head = object;
- cache_info->cache_depth++;
+ /* Memory allocation lists */
- (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
+ if (ACPI_FAILURE(status)) {
+ return (status);
}
-#else
-
- /* Object cache is disabled; just free the object */
-
- ACPI_MEM_FREE (object);
- ACPI_MEM_TRACKING (cache_info->total_freed++);
+ status =
+ acpi_ut_create_list("Acpi-Namespace",
+ sizeof(struct acpi_namespace_node),
+ &acpi_gbl_ns_node_list);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
#endif
-}
+ return (AE_OK);
+}
-/******************************************************************************
+/*******************************************************************************
*
- * FUNCTION: acpi_ut_acquire_from_cache
+ * FUNCTION: acpi_ut_delete_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: Purge and delete all local caches
*
******************************************************************************/
-void *
-acpi_ut_acquire_from_cache (
- u32 list_id)
+acpi_status acpi_ut_delete_caches(void)
{
- struct acpi_memory_list *cache_info;
- void *object;
-
-
- ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+ (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
+ acpi_gbl_namespace_cache = NULL;
- cache_info = &acpi_gbl_memory_lists[list_id];
+ (void)acpi_os_delete_cache(acpi_gbl_state_cache);
+ acpi_gbl_state_cache = NULL;
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
- }
+ (void)acpi_os_delete_cache(acpi_gbl_operand_cache);
+ acpi_gbl_operand_cache = NULL;
- ACPI_MEM_TRACKING (cache_info->cache_requests++);
+ (void)acpi_os_delete_cache(acpi_gbl_ps_node_cache);
+ acpi_gbl_ps_node_cache = NULL;
- /* 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--;
+ (void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache);
+ acpi_gbl_ps_node_ext_cache = NULL;
#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));
-#endif
-
- if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
- }
-
- /* Clear (zero) the previously used Object */
-
- ACPI_MEMSET (object, 0, cache_info->object_size);
- }
- else {
- /* The cache is empty, create a new object */
+ /* Debug only - display leftover memory allocation, if any */
- /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+ acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
- 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++);
- }
+ /* Free memory lists */
-#else
+ ACPI_FREE(acpi_gbl_global_list);
+ acpi_gbl_global_list = NULL;
- /* Object cache is disabled; just allocate the object */
-
- object = ACPI_MEM_CALLOCATE (cache_info->object_size);
- ACPI_MEM_TRACKING (cache_info->total_allocated++);
+ ACPI_FREE(acpi_gbl_ns_node_list);
+ acpi_gbl_ns_node_list = NULL;
#endif
- return (object);
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_generic_cache
- *
- * PARAMETERS: list_id - Memory list ID
- *
- * RETURN: None
- *
- * DESCRIPTION: Free all objects within the requested cache.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_cache (
- u32 list_id)
-{
- struct acpi_memory_list *cache_info;
- char *next;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- cache_info = &acpi_gbl_memory_lists[list_id];
- while (cache_info->list_head) {
- /* Delete one cached state object */
-
- next = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) cache_info->list_head)[cache_info->link_offset])));
- ACPI_MEM_FREE (cache_info->list_head);
-
- cache_info->list_head = next;
- cache_info->cache_depth--;
- }
+ return (AE_OK);
}
-#endif
-
/*******************************************************************************
*
*
******************************************************************************/
-acpi_status
-acpi_ut_validate_buffer (
- struct acpi_buffer *buffer)
+acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer)
{
/* Obviously, the structure pointer must be valid */
/* Special semantics for the length */
- if ((buffer->length == ACPI_NO_BUFFER) ||
- (buffer->length == ACPI_ALLOCATE_BUFFER) ||
- (buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) {
+ if ((buffer->length == ACPI_NO_BUFFER) ||
+ (buffer->length == ACPI_ALLOCATE_BUFFER) ||
+ (buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) {
return (AE_OK);
}
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_initialize_buffer
******************************************************************************/
acpi_status
-acpi_ut_initialize_buffer (
- struct acpi_buffer *buffer,
- acpi_size required_length)
+acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
+ acpi_size required_length)
{
- acpi_status status = AE_OK;
-
+ acpi_status status = AE_OK;
switch (buffer->length) {
case ACPI_NO_BUFFER:
status = AE_BUFFER_OVERFLOW;
break;
-
case ACPI_ALLOCATE_BUFFER:
/* Allocate a new buffer */
- buffer->pointer = acpi_os_allocate (required_length);
+ buffer->pointer = acpi_os_allocate(required_length);
if (!buffer->pointer) {
return (AE_NO_MEMORY);
}
/* Clear the buffer */
- ACPI_MEMSET (buffer->pointer, 0, required_length);
+ ACPI_MEMSET(buffer->pointer, 0, required_length);
break;
-
case ACPI_ALLOCATE_LOCAL_BUFFER:
/* Allocate a new buffer with local interface to allow tracking */
- buffer->pointer = ACPI_MEM_CALLOCATE (required_length);
+ buffer->pointer = ACPI_ALLOCATE_ZEROED(required_length);
if (!buffer->pointer) {
return (AE_NO_MEMORY);
}
break;
-
default:
/* Existing buffer: Validate the size of the buffer */
/* Clear the buffer */
- ACPI_MEMSET (buffer->pointer, 0, required_length);
+ ACPI_MEMSET(buffer->pointer, 0, required_length);
break;
}
return (status);
}
-
+#ifdef NOT_USED_BY_LINUX
/*******************************************************************************
*
* FUNCTION: acpi_ut_allocate
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
- * DESCRIPTION: The subsystem's equivalent of malloc.
+ * DESCRIPTION: Subsystem equivalent of malloc.
*
******************************************************************************/
-void *
-acpi_ut_allocate (
- acpi_size size,
- u32 component,
- char *module,
- u32 line)
+void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
{
- void *allocation;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_allocate", size);
+ void *allocation;
+ ACPI_FUNCTION_TRACE_U32(ut_allocate, size);
/* Check for an inadvertent size of zero bytes */
if (!size) {
- _ACPI_REPORT_ERROR (module, line, component,
- ("ut_allocate: Attempt to allocate zero bytes\n"));
+ ACPI_WARNING((module, line,
+ "Attempt to allocate zero bytes, allocating 1 byte"));
size = 1;
}
- allocation = acpi_os_allocate (size);
+ allocation = acpi_os_allocate(size);
if (!allocation) {
- /* Report allocation error */
-
- _ACPI_REPORT_ERROR (module, line, component,
- ("ut_allocate: Could not allocate size %X\n", (u32) size));
-
- return_PTR (NULL);
- }
- return_PTR (allocation);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_callocate
- *
- * 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_callocate (
- acpi_size size,
- u32 component,
- char *module,
- u32 line)
-{
- void *allocation;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_callocate", size);
-
-
- /* Check for an inadvertent size of zero bytes */
-
- if (!size) {
- _ACPI_REPORT_ERROR (module, line, component,
- ("ut_callocate: Attempt to allocate zero bytes\n"));
- return_PTR (NULL);
- }
-
- allocation = acpi_os_allocate (size);
- if (!allocation) {
/* Report allocation error */
- _ACPI_REPORT_ERROR (module, line, component,
- ("ut_callocate: Could not allocate size %X\n", (u32) size));
- return_PTR (NULL);
- }
-
- /* Clear the memory block */
-
- ACPI_MEMSET (allocation, 0, size);
- return_PTR (allocation);
-}
-
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-/*
- * 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_callocate call
- * acpi_ut_track_allocation to add an element to the list; deletion
- * occurs in the body of acpi_ut_free.
- */
-
-
-/*******************************************************************************
- *
- * 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,
- 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);
- }
+ ACPI_WARNING((module, line,
+ "Could not allocate size %X", (u32) size));
- status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
- ACPI_MEM_MALLOC, component, module, line);
- if (ACPI_FAILURE (status)) {
- acpi_os_free (allocation);
- return (NULL);
+ return_PTR(NULL);
}
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
-
- return ((void *) &allocation->user_space);
+ return_PTR(allocation);
}
-
/*******************************************************************************
*
- * FUNCTION: acpi_ut_callocate_and_track
+ * FUNCTION: acpi_ut_allocate_zeroed
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
- * DESCRIPTION: Subsystem equivalent of calloc.
- *
- ******************************************************************************/
-
-void *
-acpi_ut_callocate_and_track (
- acpi_size size,
- u32 component,
- char *module,
- u32 line)
-{
- struct acpi_debug_mem_block *allocation;
- acpi_status status;
-
-
- allocation = acpi_ut_callocate (size + sizeof (struct acpi_debug_mem_header), component,
- module, line);
- if (!allocation) {
- /* Report allocation error */
-
- _ACPI_REPORT_ERROR (module, line, component,
- ("ut_callocate: Could not allocate size %X\n", (u32) size));
- return (NULL);
- }
-
- status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, 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;
-
- 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,
- 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_REPORT_ERROR (module, line, component,
- ("acpi_ut_free: Attempt to delete a NULL address\n"));
-
- return_VOID;
- }
-
- 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;
-
- status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block,
- component, module, line);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
- acpi_format_exception (status)));
- }
-
- acpi_os_free (debug_block);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
-
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_find_allocation
- *
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
- *
- * RETURN: A list element if found; NULL otherwise.
- *
- * DESCRIPTION: Searches for an element in the global allocation tracking list.
- *
- ******************************************************************************/
-
-struct acpi_debug_mem_block *
-acpi_ut_find_allocation (
- u32 list_id,
- void *allocation)
-{
- struct acpi_debug_mem_block *element;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- if (list_id > ACPI_MEM_LIST_MAX) {
- return (NULL);
- }
-
- element = acpi_gbl_memory_lists[list_id].list_head;
-
- /* Search for the address. */
-
- while (element) {
- if (element == allocation) {
- return (element);
- }
-
- element = element->next;
- }
-
- return (NULL);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_track_allocation
- *
- * PARAMETERS: list_id - Memory list to search
- * 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.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_track_allocation (
- u32 list_id,
- struct acpi_debug_mem_block *allocation,
- acpi_size size,
- u8 alloc_type,
- u32 component,
- 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 (list_id > ACPI_MEM_LIST_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- mem_list = &acpi_gbl_memory_lists[list_id];
- 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 (list_id, allocation);
- if (element) {
- ACPI_REPORT_ERROR (("ut_track_allocation: Allocation already present in list! (%p)\n",
- allocation));
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", 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: list_id - Memory list to search
- * 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.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_remove_allocation (
- u32 list_id,
- struct acpi_debug_mem_block *allocation,
- u32 component,
- char *module,
- u32 line)
-{
- struct acpi_memory_list *mem_list;
- acpi_status status;
-
-
- 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];
- if (NULL == mem_list->list_head) {
- /* No allocations! */
-
- _ACPI_REPORT_ERROR (module, line, component,
- ("ut_remove_allocation: Empty allocation list, nothing to free!\n"));
-
- 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.
+ * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
*
******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-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;
-}
-#endif /* ACPI_FUTURE_USAGE */
-
-
-/*******************************************************************************
- *
- * 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,
- char *module)
+void *acpi_ut_allocate_zeroed(acpi_size size,
+ u32 component, char *module, u32 line)
{
- struct acpi_debug_mem_block *element;
- union acpi_descriptor *descriptor;
- u32 num_outstanding = 0;
+ void *allocation;
+ ACPI_FUNCTION_ENTRY();
- ACPI_FUNCTION_TRACE ("ut_dump_allocations");
+ allocation = acpi_ut_allocate(size, component, module, line);
+ if (allocation) {
+ /* Clear the memory block */
- /*
- * Walk the allocation list.
- */
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_MEMORY))) {
- return;
- }
-
- element = acpi_gbl_memory_lists[0].list_head;
- while (element) {
- if ((element->component & component) &&
- ((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
- /* Ignore allocated objects that are in a cache */
-
- descriptor = ACPI_CAST_PTR (union acpi_descriptor, &element->user_space);
- if (descriptor->descriptor_id != ACPI_DESC_TYPE_CACHED) {
- acpi_os_printf ("%p Len %04X %9.9s-%d [%s] ",
- descriptor, element->size, element->module,
- element->line, acpi_ut_get_descriptor_name (descriptor));
-
- /* Most of the elements will be Operand objects. */
-
- switch (ACPI_GET_DESCRIPTOR_TYPE (descriptor)) {
- case ACPI_DESC_TYPE_OPERAND:
- acpi_os_printf ("%12.12s R%hd",
- acpi_ut_get_type_name (descriptor->object.common.type),
- descriptor->object.common.reference_count);
- break;
-
- case ACPI_DESC_TYPE_PARSER:
- acpi_os_printf ("aml_opcode %04hX",
- descriptor->op.asl.aml_opcode);
- break;
-
- case ACPI_DESC_TYPE_NAMED:
- acpi_os_printf ("%4.4s",
- acpi_ut_get_node_name (&descriptor->node));
- break;
-
- default:
- break;
- }
-
- acpi_os_printf ( "\n");
- num_outstanding++;
- }
- }
- element = element->next;
+ ACPI_MEMSET(allocation, 0, size);
}
- (void) acpi_ut_release_mutex (ACPI_MTX_MEMORY);
-
- /* Print summary */
-
- if (!num_outstanding) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "No outstanding allocations.\n"));
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "%d(%X) Outstanding allocations\n",
- num_outstanding, num_outstanding));
- }
-
- return_VOID;
+ return (allocation);
}
-
-
-#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */
-
+#endif