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freebsd/sys/contrib/dev/acpica/utalloc.c

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/******************************************************************************
*
* Module Name: utalloc - local cache and memory allocation routines
* $Revision: 131 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2003, 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;
}
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,
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,
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,
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,
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,
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,
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,
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,
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_ERROR,
"No outstanding allocations.\n"));
}
else
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"%d(%X) Outstanding allocations\n",
NumOutstanding, NumOutstanding));
}
return_VOID;
}
#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */
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