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Diffstat (limited to 'sys/contrib/dev/acpica/utalloc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utalloc.c | 1123 |
1 files changed, 1123 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/utalloc.c b/sys/contrib/dev/acpica/utalloc.c new file mode 100644 index 0000000..6e4c5ac --- /dev/null +++ b/sys/contrib/dev/acpica/utalloc.c @@ -0,0 +1,1123 @@ +/****************************************************************************** + * + * Module Name: utalloc - local cache and memory allocation routines + * $Revision: 127 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +#define __UTALLOC_C__ + +#include "acpi.h" + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utalloc") + + +/****************************************************************************** + * + * FUNCTION: AcpiUtReleaseToCache + * + * PARAMETERS: ListId - 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 +AcpiUtReleaseToCache ( + UINT32 ListId, + void *Object) +{ + ACPI_MEMORY_LIST *CacheInfo; + + + ACPI_FUNCTION_ENTRY (); + + + /* If walk cache is full, just free this wallkstate object */ + + CacheInfo = &AcpiGbl_MemoryLists[ListId]; + if (CacheInfo->CacheDepth >= CacheInfo->MaxCacheDepth) + { + ACPI_MEM_FREE (Object); + ACPI_MEM_TRACKING (CacheInfo->TotalFreed++); + } + + /* Otherwise put this object back into the cache */ + + else + { + if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES))) + { + return; + } + + /* Mark the object as cached */ + + ACPI_MEMSET (Object, 0xCA, CacheInfo->ObjectSize); + 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)[CacheInfo->LinkOffset]))) = CacheInfo->ListHead; + CacheInfo->ListHead = Object; + CacheInfo->CacheDepth++; + + (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES); + } +} + + +/****************************************************************************** + * + * FUNCTION: AcpiUtAcquireFromCache + * + * PARAMETERS: ListId - Memory list ID + * + * RETURN: A requested object. NULL if the object could not be + * allocated. + * + * DESCRIPTION: Get an object from the specified cache. If cache is empty, + * the object is allocated. + * + ******************************************************************************/ + +void * +AcpiUtAcquireFromCache ( + UINT32 ListId) +{ + ACPI_MEMORY_LIST *CacheInfo; + void *Object; + + + ACPI_FUNCTION_NAME ("UtAcquireFromCache"); + + + CacheInfo = &AcpiGbl_MemoryLists[ListId]; + if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES))) + { + return (NULL); + } + + ACPI_MEM_TRACKING (CacheInfo->CacheRequests++); + + /* Check the cache first */ + + if (CacheInfo->ListHead) + { + /* There is an object available, use it */ + + Object = CacheInfo->ListHead; + CacheInfo->ListHead = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) Object)[CacheInfo->LinkOffset]))); + + ACPI_MEM_TRACKING (CacheInfo->CacheHits++); + CacheInfo->CacheDepth--; + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n", + Object, AcpiGbl_MemoryLists[ListId].ListName)); +#endif + + if (ACPI_FAILURE (AcpiUtReleaseMutex (ACPI_MTX_CACHES))) + { + return (NULL); + } + + /* Clear (zero) the previously used Object */ + + ACPI_MEMSET (Object, 0, CacheInfo->ObjectSize); + } + + else + { + /* The cache is empty, create a new object */ + + /* Avoid deadlock with ACPI_MEM_CALLOCATE */ + + if (ACPI_FAILURE (AcpiUtReleaseMutex (ACPI_MTX_CACHES))) + { + return (NULL); + } + + Object = ACPI_MEM_CALLOCATE (CacheInfo->ObjectSize); + ACPI_MEM_TRACKING (CacheInfo->TotalAllocated++); + } + + return (Object); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiUtDeleteGenericCache + * + * PARAMETERS: ListId - Memory list ID + * + * RETURN: None + * + * DESCRIPTION: Free all objects within the requested cache. + * + ******************************************************************************/ + +void +AcpiUtDeleteGenericCache ( + UINT32 ListId) +{ + ACPI_MEMORY_LIST *CacheInfo; + char *Next; + + + ACPI_FUNCTION_ENTRY (); + + + CacheInfo = &AcpiGbl_MemoryLists[ListId]; + while (CacheInfo->ListHead) + { + /* Delete one cached state object */ + + Next = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) CacheInfo->ListHead)[CacheInfo->LinkOffset]))); + ACPI_MEM_FREE (CacheInfo->ListHead); + + CacheInfo->ListHead = Next; + CacheInfo->CacheDepth--; + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtValidateBuffer + * + * PARAMETERS: Buffer - Buffer descriptor to be validated + * + * RETURN: Status + * + * DESCRIPTION: Perform parameter validation checks on an ACPI_BUFFER + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtValidateBuffer ( + ACPI_BUFFER *Buffer) +{ + + /* Obviously, the structure pointer must be valid */ + + if (!Buffer) + { + return (AE_BAD_PARAMETER); + } + + /* Special semantics for the length */ + + if ((Buffer->Length == ACPI_NO_BUFFER) || + (Buffer->Length == ACPI_ALLOCATE_BUFFER) || + (Buffer->Length == ACPI_ALLOCATE_LOCAL_BUFFER)) + { + return (AE_OK); + } + + /* Length is valid, the buffer pointer must be also */ + + if (!Buffer->Pointer) + { + return (AE_BAD_PARAMETER); + } + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtInitializeBuffer + * + * PARAMETERS: RequiredLength - Length needed + * Buffer - Buffer to be validated + * + * RETURN: Status + * + * DESCRIPTION: Validate that the buffer is of the required length or + * allocate a new buffer. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtInitializeBuffer ( + ACPI_BUFFER *Buffer, + ACPI_SIZE RequiredLength) +{ + ACPI_STATUS Status = AE_OK; + + + switch (Buffer->Length) + { + case ACPI_NO_BUFFER: + + /* Set the exception and returned the required length */ + + Status = AE_BUFFER_OVERFLOW; + break; + + + case ACPI_ALLOCATE_BUFFER: + + /* Allocate a new buffer */ + + Buffer->Pointer = AcpiOsAllocate (RequiredLength); + if (!Buffer->Pointer) + { + return (AE_NO_MEMORY); + } + + /* Clear the buffer */ + + ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength); + break; + + + case ACPI_ALLOCATE_LOCAL_BUFFER: + + /* Allocate a new buffer with local interface to allow tracking */ + + Buffer->Pointer = ACPI_MEM_ALLOCATE (RequiredLength); + if (!Buffer->Pointer) + { + return (AE_NO_MEMORY); + } + + /* Clear the buffer */ + + ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength); + break; + + + default: + + /* Validate the size of the buffer */ + + if (Buffer->Length < RequiredLength) + { + Status = AE_BUFFER_OVERFLOW; + } + + /* Clear the buffer */ + + ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength); + break; + } + + Buffer->Length = RequiredLength; + return (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtAllocate + * + * 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 * +AcpiUtAllocate ( + ACPI_SIZE Size, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + void *Allocation; + + + ACPI_FUNCTION_TRACE_U32 ("UtAllocate", Size); + + + /* Check for an inadvertent size of zero bytes */ + + if (!Size) + { + _ACPI_REPORT_ERROR (Module, Line, Component, + ("UtAllocate: Attempt to allocate zero bytes\n")); + Size = 1; + } + + Allocation = AcpiOsAllocate (Size); + if (!Allocation) + { + /* Report allocation error */ + + _ACPI_REPORT_ERROR (Module, Line, Component, + ("UtAllocate: Could not allocate size %X\n", (UINT32) Size)); + + return_PTR (NULL); + } + + return_PTR (Allocation); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtCallocate + * + * 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 * +AcpiUtCallocate ( + ACPI_SIZE Size, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + void *Allocation; + + + ACPI_FUNCTION_TRACE_U32 ("UtCallocate", Size); + + + /* Check for an inadvertent size of zero bytes */ + + if (!Size) + { + _ACPI_REPORT_ERROR (Module, Line, Component, + ("UtCallocate: Attempt to allocate zero bytes\n")); + return_PTR (NULL); + } + + Allocation = AcpiOsAllocate (Size); + if (!Allocation) + { + /* Report allocation error */ + + _ACPI_REPORT_ERROR (Module, Line, Component, + ("UtCallocate: Could not allocate size %X\n", (UINT32) 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. AcpiUtAllocate and AcpiUtCallocate call + * AcpiUtTrackAllocation to add an element to the list; deletion + * occurs in the body of AcpiUtFree. + */ + + +/******************************************************************************* + * + * FUNCTION: AcpiUtAllocateAndTrack + * + * 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 * +AcpiUtAllocateAndTrack ( + ACPI_SIZE Size, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ACPI_DEBUG_MEM_BLOCK *Allocation; + ACPI_STATUS Status; + + + Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK), Component, + Module, Line); + if (!Allocation) + { + return (NULL); + } + + Status = AcpiUtTrackAllocation (ACPI_MEM_LIST_GLOBAL, Allocation, Size, + ACPI_MEM_MALLOC, Component, Module, Line); + if (ACPI_FAILURE (Status)) + { + AcpiOsFree (Allocation); + return (NULL); + } + + AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++; + AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += (UINT32) Size; + + return ((void *) &Allocation->UserSpace); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtCallocateAndTrack + * + * 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 * +AcpiUtCallocateAndTrack ( + ACPI_SIZE Size, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ACPI_DEBUG_MEM_BLOCK *Allocation; + ACPI_STATUS Status; + + + Allocation = AcpiUtCallocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK), Component, + Module, Line); + if (!Allocation) + { + /* Report allocation error */ + + _ACPI_REPORT_ERROR (Module, Line, Component, + ("UtCallocate: Could not allocate size %X\n", (UINT32) Size)); + return (NULL); + } + + Status = AcpiUtTrackAllocation (ACPI_MEM_LIST_GLOBAL, Allocation, Size, + ACPI_MEM_CALLOC, Component, Module, Line); + if (ACPI_FAILURE (Status)) + { + AcpiOsFree (Allocation); + return (NULL); + } + + AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++; + AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += (UINT32) Size; + + return ((void *) &Allocation->UserSpace); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtFreeAndTrack + * + * 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 +AcpiUtFreeAndTrack ( + void *Allocation, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ACPI_DEBUG_MEM_BLOCK *DebugBlock; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR ("UtFree", Allocation); + + + if (NULL == Allocation) + { + _ACPI_REPORT_ERROR (Module, Line, Component, + ("AcpiUtFree: Attempt to delete a NULL address\n")); + + return_VOID; + } + + DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK, + (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER))); + + AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalFreed++; + AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize -= DebugBlock->Size; + + Status = AcpiUtRemoveAllocation (ACPI_MEM_LIST_GLOBAL, DebugBlock, + Component, Module, Line); + if (ACPI_FAILURE (Status)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n", + AcpiFormatException (Status))); + } + + AcpiOsFree (DebugBlock); + + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Allocation)); + + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtFindAllocation + * + * PARAMETERS: Allocation - Address of allocated memory + * + * RETURN: A list element if found; NULL otherwise. + * + * DESCRIPTION: Searches for an element in the global allocation tracking list. + * + ******************************************************************************/ + +ACPI_DEBUG_MEM_BLOCK * +AcpiUtFindAllocation ( + UINT32 ListId, + void *Allocation) +{ + ACPI_DEBUG_MEM_BLOCK *Element; + + + ACPI_FUNCTION_ENTRY (); + + + if (ListId > ACPI_MEM_LIST_MAX) + { + return (NULL); + } + + Element = AcpiGbl_MemoryLists[ListId].ListHead; + + /* Search for the address. */ + + while (Element) + { + if (Element == Allocation) + { + return (Element); + } + + Element = Element->Next; + } + + return (NULL); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtTrackAllocation + * + * PARAMETERS: Allocation - Address of allocated memory + * Size - Size of the allocation + * AllocType - 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 +AcpiUtTrackAllocation ( + UINT32 ListId, + ACPI_DEBUG_MEM_BLOCK *Allocation, + ACPI_SIZE Size, + UINT8 AllocType, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ACPI_MEMORY_LIST *MemList; + ACPI_DEBUG_MEM_BLOCK *Element; + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE_PTR ("UtTrackAllocation", Allocation); + + + if (ListId > ACPI_MEM_LIST_MAX) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + MemList = &AcpiGbl_MemoryLists[ListId]; + Status = AcpiUtAcquireMutex (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 = AcpiUtFindAllocation (ListId, Allocation); + if (Element) + { + ACPI_REPORT_ERROR (("UtTrackAllocation: Allocation already present in list! (%p)\n", + Allocation)); + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", Element, Allocation)); + + goto UnlockAndExit; + } + + /* Fill in the instance data. */ + + Allocation->Size = (UINT32) Size; + Allocation->AllocType = AllocType; + Allocation->Component = Component; + Allocation->Line = Line; + + ACPI_STRNCPY (Allocation->Module, Module, ACPI_MAX_MODULE_NAME); + + /* Insert at list head */ + + if (MemList->ListHead) + { + ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Allocation; + } + + Allocation->Next = MemList->ListHead; + Allocation->Previous = NULL; + + MemList->ListHead = Allocation; + + +UnlockAndExit: + Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtRemoveAllocation + * + * PARAMETERS: Allocation - Address of allocated memory + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: + * + * DESCRIPTION: Deletes an element from the global allocation tracking list. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtRemoveAllocation ( + UINT32 ListId, + ACPI_DEBUG_MEM_BLOCK *Allocation, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ACPI_MEMORY_LIST *MemList; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("UtRemoveAllocation"); + + + if (ListId > ACPI_MEM_LIST_MAX) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + MemList = &AcpiGbl_MemoryLists[ListId]; + if (NULL == MemList->ListHead) + { + /* No allocations! */ + + _ACPI_REPORT_ERROR (Module, Line, Component, + ("UtRemoveAllocation: Empty allocation list, nothing to free!\n")); + + return_ACPI_STATUS (AE_OK); + } + + Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Unlink */ + + if (Allocation->Previous) + { + (Allocation->Previous)->Next = Allocation->Next; + } + else + { + MemList->ListHead = Allocation->Next; + } + + if (Allocation->Next) + { + (Allocation->Next)->Previous = Allocation->Previous; + } + + /* Mark the segment as deleted */ + + ACPI_MEMSET (&Allocation->UserSpace, 0xEA, Allocation->Size); + + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size %X\n", Allocation->Size)); + + Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtDumpAllocationInfo + * + * PARAMETERS: + * + * RETURN: None + * + * DESCRIPTION: Print some info about the outstanding allocations. + * + ******************************************************************************/ + +void +AcpiUtDumpAllocationInfo ( + void) +{ +/* + ACPI_MEMORY_LIST *MemList; +*/ + + ACPI_FUNCTION_TRACE ("UtDumpAllocationInfo"); + +/* + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current allocations", + MemList->CurrentCount, + ROUND_UP_TO_1K (MemList->CurrentSize))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", + MemList->MaxConcurrentCount, + ROUND_UP_TO_1K (MemList->MaxConcurrentSize))); + + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", + RunningObjectCount, + ROUND_UP_TO_1K (RunningObjectSize))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", + RunningAllocCount, + ROUND_UP_TO_1K (RunningAllocSize))); + + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current Nodes", + AcpiGbl_CurrentNodeCount, + ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max Nodes", + AcpiGbl_MaxConcurrentNodeCount, + ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount * sizeof (ACPI_NAMESPACE_NODE))))); +*/ + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtDumpAllocations + * + * 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 +AcpiUtDumpAllocations ( + UINT32 Component, + NATIVE_CHAR *Module) +{ + ACPI_DEBUG_MEM_BLOCK *Element; + ACPI_DESCRIPTOR *Descriptor; + UINT32 NumOutstanding = 0; + + + ACPI_FUNCTION_TRACE ("UtDumpAllocations"); + + + /* + * Walk the allocation list. + */ + if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY))) + { + return; + } + + Element = AcpiGbl_MemoryLists[0].ListHead; + 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 (ACPI_DESCRIPTOR, &Element->UserSpace); + if (Descriptor->DescriptorId != ACPI_DESC_TYPE_CACHED) + { + AcpiOsPrintf ("%p Len %04X %9.9s-%d ", + Descriptor, Element->Size, Element->Module, + Element->Line); + + /* Most of the elements will be internal objects. */ + + switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor)) + { + case ACPI_DESC_TYPE_OPERAND: + AcpiOsPrintf ("ObjType %12.12s R%hd", + AcpiUtGetTypeName (Descriptor->Object.Common.Type), + Descriptor->Object.Common.ReferenceCount); + break; + + case ACPI_DESC_TYPE_PARSER: + AcpiOsPrintf ("ParseObj AmlOpcode %04hX", + Descriptor->Op.Asl.AmlOpcode); + break; + + case ACPI_DESC_TYPE_NAMED: + AcpiOsPrintf ("Node %4.4s", + Descriptor->Node.Name.Ascii); + break; + + case ACPI_DESC_TYPE_STATE: + AcpiOsPrintf ("Untyped StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_UPDATE: + AcpiOsPrintf ("UPDATE StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_PACKAGE: + AcpiOsPrintf ("PACKAGE StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_CONTROL: + AcpiOsPrintf ("CONTROL StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_RPSCOPE: + AcpiOsPrintf ("ROOT-PARSE-SCOPE StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_PSCOPE: + AcpiOsPrintf ("PARSE-SCOPE StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_WSCOPE: + AcpiOsPrintf ("WALK-SCOPE StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_RESULT: + AcpiOsPrintf ("RESULT StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_NOTIFY: + AcpiOsPrintf ("NOTIFY StateObj"); + break; + + case ACPI_DESC_TYPE_STATE_THREAD: + AcpiOsPrintf ("THREAD StateObj"); + break; + + default: + /* All types should appear above */ + break; + } + + AcpiOsPrintf ( "\n"); + NumOutstanding++; + } + } + Element = Element->Next; + } + + (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY); + + /* Print summary */ + + if (!NumOutstanding) + { + ACPI_DEBUG_PRINT ((ACPI_DB_OK, + "No outstanding allocations.\n")); + } + else + { + ACPI_DEBUG_PRINT ((ACPI_DB_OK, + "%d(%X) Outstanding allocations\n", + NumOutstanding, NumOutstanding)); + } + + return_VOID; +} + + +#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */ + |
