diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Common/cmalloc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Common/cmalloc.c | 801 |
1 files changed, 801 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Common/cmalloc.c b/sys/contrib/dev/acpica/Subsystem/Common/cmalloc.c new file mode 100644 index 000000000000..bb1e0dd4fa19 --- /dev/null +++ b/sys/contrib/dev/acpica/Subsystem/Common/cmalloc.c @@ -0,0 +1,801 @@ +/****************************************************************************** + * + * Module Name: cmalloc - local memory allocation routines + * $Revision: 76 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, 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 __CMALLOC_C__ + +#include "acpi.h" +#include "acparser.h" +#include "acinterp.h" +#include "acnamesp.h" +#include "acglobal.h" + +#define _COMPONENT MISCELLANEOUS + MODULE_NAME ("cmalloc") + + +#ifdef ACPI_DEBUG +/* + * Most of this code is for tracking memory leaks in the subsystem, and it + * gets compiled out when the ACPI_DEBUG flag is not set. + * Every memory allocation is kept track of in a doubly linked list. Each + * element contains the caller's component, module name, function name, and + * line number. _CmAllocate and _CmCallocate call AcpiCmAddElementToAllocList + * to add an element to the list; deletion occurs in the bosy of _CmFree. + */ + + +/***************************************************************************** + * + * FUNCTION: AcpiCmSearchAllocList + * + * PARAMETERS: Address - Address of allocated memory + * + * RETURN: A list element if found; NULL otherwise. + * + * DESCRIPTION: Searches for an element in the global allocation tracking list. + * + ****************************************************************************/ + +ALLOCATION_INFO * +AcpiCmSearchAllocList ( + void *Address) +{ + ALLOCATION_INFO *Element = AcpiGbl_HeadAllocPtr; + + + /* Search for the address. */ + + while (Element) + { + if (Element->Address == Address) + { + return (Element); + } + + Element = Element->Next; + } + + return (NULL); +} + + +/***************************************************************************** + * + * FUNCTION: AcpiCmAddElementToAllocList + * + * PARAMETERS: Address - 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 +AcpiCmAddElementToAllocList ( + void *Address, + UINT32 Size, + UINT8 AllocType, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ALLOCATION_INFO *Element; + ACPI_STATUS Status = AE_OK; + + + FUNCTION_TRACE_PTR ("CmAddElementToAllocList", Address); + + + AcpiCmAcquireMutex (ACPI_MTX_MEMORY); + + /* Keep track of the running total of all allocations. */ + + AcpiGbl_CurrentAllocCount++; + AcpiGbl_RunningAllocCount++; + + if (AcpiGbl_MaxConcurrentAllocCount < AcpiGbl_CurrentAllocCount) + { + AcpiGbl_MaxConcurrentAllocCount = AcpiGbl_CurrentAllocCount; + } + + AcpiGbl_CurrentAllocSize += Size; + AcpiGbl_RunningAllocSize += Size; + + if (AcpiGbl_MaxConcurrentAllocSize < AcpiGbl_CurrentAllocSize) + { + AcpiGbl_MaxConcurrentAllocSize = AcpiGbl_CurrentAllocSize; + } + + /* If the head pointer is null, create the first element and fill it in. */ + + if (NULL == AcpiGbl_HeadAllocPtr) + { + AcpiGbl_HeadAllocPtr = + (ALLOCATION_INFO *) AcpiOsCallocate (sizeof (ALLOCATION_INFO)); + + if (!AcpiGbl_HeadAllocPtr) + { + DEBUG_PRINT (ACPI_ERROR, + ("Could not allocate memory info block\n")); + Status = AE_NO_MEMORY; + goto UnlockAndExit; + } + + AcpiGbl_TailAllocPtr = AcpiGbl_HeadAllocPtr; + } + + else + { + AcpiGbl_TailAllocPtr->Next = + (ALLOCATION_INFO *) AcpiOsCallocate (sizeof (ALLOCATION_INFO)); + if (!AcpiGbl_TailAllocPtr->Next) + { + DEBUG_PRINT (ACPI_ERROR, + ("Could not allocate memory info block\n")); + Status = AE_NO_MEMORY; + goto UnlockAndExit; + } + + /* error check */ + + AcpiGbl_TailAllocPtr->Next->Previous = AcpiGbl_TailAllocPtr; + AcpiGbl_TailAllocPtr = AcpiGbl_TailAllocPtr->Next; + } + + /* + * Search list for this address to make sure it is not already on the list. + * This will catch several kinds of problems. + */ + + Element = AcpiCmSearchAllocList (Address); + if (Element) + { + REPORT_ERROR (("CmAddElementToAllocList: Address already present in list!\n")); + + DEBUG_PRINT (ACPI_ERROR, ("Element %p Address %p\n", Element, Address)); + + BREAKPOINT3; + } + + /* Fill in the instance data. */ + + AcpiGbl_TailAllocPtr->Address = Address; + AcpiGbl_TailAllocPtr->Size = Size; + AcpiGbl_TailAllocPtr->AllocType = AllocType; + AcpiGbl_TailAllocPtr->Component = Component; + AcpiGbl_TailAllocPtr->Line = Line; + + STRNCPY (AcpiGbl_TailAllocPtr->Module, Module, MAX_MODULE_NAME); + + +UnlockAndExit: + AcpiCmReleaseMutex (ACPI_MTX_MEMORY); + return_ACPI_STATUS (Status); +} + + +/***************************************************************************** + * + * FUNCTION: AcpiCmDeleteElementFromAllocList + * + * PARAMETERS: Address - 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. + * + ****************************************************************************/ + +void +AcpiCmDeleteElementFromAllocList ( + void *Address, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + ALLOCATION_INFO *Element; + UINT32 *DwordPtr; + UINT32 DwordLen; + UINT32 Size; + UINT32 i; + + + FUNCTION_TRACE ("CmDeleteElementFromAllocList"); + + if (NULL == AcpiGbl_HeadAllocPtr) + { + /* Boy we got problems. */ + + _REPORT_ERROR (Module, Line, Component, + ("CmDeleteElementFromAllocList: Empty allocation list, nothing to free!\n")); + + return_VOID; + } + + + AcpiCmAcquireMutex (ACPI_MTX_MEMORY); + + /* Keep track of the amount of memory allocated. */ + + Size = 0; + AcpiGbl_CurrentAllocCount--; + + if (AcpiGbl_HeadAllocPtr == AcpiGbl_TailAllocPtr) + { + if (Address != AcpiGbl_HeadAllocPtr->Address) + { + _REPORT_ERROR (Module, Line, Component, + ("CmDeleteElementFromAllocList: Deleting non-allocated memory\n")); + + goto Cleanup; + } + + Size = AcpiGbl_HeadAllocPtr->Size; + + AcpiOsFree (AcpiGbl_HeadAllocPtr); + AcpiGbl_HeadAllocPtr = NULL; + AcpiGbl_TailAllocPtr = NULL; + + DEBUG_PRINT (TRACE_ALLOCATIONS, + ("_CmFree: Allocation list deleted. There are no outstanding allocations\n")); + + goto Cleanup; + } + + + /* Search list for this address */ + + Element = AcpiCmSearchAllocList (Address); + if (Element) + { + /* cases: head, tail, other */ + + if (Element == AcpiGbl_HeadAllocPtr) + { + Element->Next->Previous = NULL; + AcpiGbl_HeadAllocPtr = Element->Next; + } + + else + { + if (Element == AcpiGbl_TailAllocPtr) + { + Element->Previous->Next = NULL; + AcpiGbl_TailAllocPtr = Element->Previous; + } + + else + { + Element->Previous->Next = Element->Next; + Element->Next->Previous = Element->Previous; + } + } + + + /* Mark the segment as deleted */ + + if (Element->Size >= 4) + { + DwordLen = DIV_4 (Element->Size); + DwordPtr = (UINT32 *) Element->Address; + + for (i = 0; i < DwordLen; i++) + { + DwordPtr[i] = 0x00DEAD00; + } + + /* Set obj type, desc, and ref count fields to all ones */ + + DwordPtr[0] = ACPI_UINT32_MAX; + if (Element->Size >= 8) + { + DwordPtr[1] = ACPI_UINT32_MAX; + } + } + + Size = Element->Size; + + MEMSET (Element, 0xEA, sizeof (ALLOCATION_INFO)); + + + if (Size == sizeof (ACPI_OPERAND_OBJECT)) + { + DEBUG_PRINT (TRACE_ALLOCATIONS, ("CmDelete: Freeing size 0x%X (ACPI_OPERAND_OBJECT)\n", Size)); + } + else + { + DEBUG_PRINT (TRACE_ALLOCATIONS, ("CmDelete: Freeing size 0x%X\n", Size)); + } + + AcpiOsFree (Element); + } + + else + { + _REPORT_ERROR (Module, Line, Component, + ("_CmFree: Entry not found in list\n")); + DEBUG_PRINT (ACPI_ERROR, + ("_CmFree: Entry %p was not found in allocation list\n", + Address)); + AcpiCmReleaseMutex (ACPI_MTX_MEMORY); + return_VOID; + } + + +Cleanup: + + AcpiGbl_CurrentAllocSize -= Size; + AcpiCmReleaseMutex (ACPI_MTX_MEMORY); + + return_VOID; +} + + +/***************************************************************************** + * + * FUNCTION: AcpiCmDumpAllocationInfo + * + * PARAMETERS: + * + * RETURN: None + * + * DESCRIPTION: Print some info about the outstanding allocations. + * + ****************************************************************************/ + +void +AcpiCmDumpAllocationInfo ( + void) +{ + FUNCTION_TRACE ("CmDumpAllocationInfo"); + + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current allocations", + AcpiGbl_CurrentAllocCount, + (AcpiGbl_CurrentAllocSize + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", + AcpiGbl_MaxConcurrentAllocCount, + (AcpiGbl_MaxConcurrentAllocSize + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current Internal objects", + AcpiGbl_CurrentObjectCount, + (AcpiGbl_CurrentObjectSize + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max internal objects", + AcpiGbl_MaxConcurrentObjectCount, + (AcpiGbl_MaxConcurrentObjectSize + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current Nodes", + AcpiGbl_CurrentNodeCount, + (AcpiGbl_CurrentNodeSize + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max Nodes", + AcpiGbl_MaxConcurrentNodeCount, + ((AcpiGbl_MaxConcurrentNodeCount * sizeof (ACPI_NAMESPACE_NODE)) + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", + AcpiGbl_RunningObjectCount, + (AcpiGbl_RunningObjectSize + 1023) / 1024)); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", + AcpiGbl_RunningAllocCount, + (AcpiGbl_RunningAllocSize + 1023) / 1024)); + + return_VOID; +} + + +/***************************************************************************** + * + * FUNCTION: AcpiCmDumpCurrentAllocations + * + * 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 +AcpiCmDumpCurrentAllocations ( + UINT32 Component, + NATIVE_CHAR *Module) +{ + ALLOCATION_INFO *Element = AcpiGbl_HeadAllocPtr; + UINT32 i; + + + FUNCTION_TRACE ("CmDumpCurrentAllocations"); + + + if (Element == NULL) + { + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("No outstanding allocations.\n")); + return_VOID; + } + + + /* + * Walk the allocation list. + */ + + AcpiCmAcquireMutex (ACPI_MTX_MEMORY); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("Outstanding allocations:\n")); + + for (i = 1; ; i++) /* Just a counter */ + { + if ((Element->Component & Component) && + ((Module == NULL) || (0 == STRCMP (Module, Element->Module)))) + { + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%p Len %04lX %9.9s-%ld", + Element->Address, Element->Size, Element->Module, + Element->Line)); + + /* Most of the elements will be internal objects. */ + + switch (((ACPI_OPERAND_OBJECT *) + (Element->Address))->Common.DataType) + { + case ACPI_DESC_TYPE_INTERNAL: + DEBUG_PRINT_RAW (TRACE_ALLOCATIONS | TRACE_TABLES, + (" ObjType %s", + AcpiCmGetTypeName (((ACPI_OPERAND_OBJECT *)(Element->Address))->Common.Type))); + break; + + case ACPI_DESC_TYPE_PARSER: + DEBUG_PRINT_RAW (TRACE_ALLOCATIONS | TRACE_TABLES, + (" ParseObj Opcode %04X", + ((ACPI_PARSE_OBJECT *)(Element->Address))->Opcode)); + break; + + case ACPI_DESC_TYPE_NAMED: + DEBUG_PRINT_RAW (TRACE_ALLOCATIONS | TRACE_TABLES, + (" Node %4.4s", + &((ACPI_NAMESPACE_NODE *)(Element->Address))->Name)); + break; + + case ACPI_DESC_TYPE_STATE: + DEBUG_PRINT_RAW (TRACE_ALLOCATIONS | TRACE_TABLES, + (" StateObj")); + break; + } + + DEBUG_PRINT_RAW (TRACE_ALLOCATIONS | TRACE_TABLES, ("\n")); + } + + if (Element->Next == NULL) + { + break; + } + + Element = Element->Next; + } + + AcpiCmReleaseMutex (ACPI_MTX_MEMORY); + + DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("Total number of unfreed allocations = %d\n", i)); + + return_VOID; +} + +#endif /* Debug routines for memory leak detection */ + + +/***************************************************************************** + * + * FUNCTION: _CmAllocate + * + * 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 * +_CmAllocate ( + UINT32 Size, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + void *Address = NULL; + DEBUG_EXEC (\ + ACPI_STATUS Status) + + + FUNCTION_TRACE_U32 ("_CmAllocate", Size); + + + /* Check for an inadvertent size of zero bytes */ + + if (!Size) + { + _REPORT_ERROR (Module, Line, Component, + ("CmAllocate: Attempt to allocate zero bytes\n")); + Size = 1; + } + + Address = AcpiOsAllocate (Size); + if (!Address) + { + /* Report allocation error */ + + _REPORT_ERROR (Module, Line, Component, + ("CmAllocate: Could not allocate size 0x%x\n", Size)); + + return_VALUE (NULL); + } + +#ifdef ACPI_DEBUG + Status = AcpiCmAddElementToAllocList (Address, Size, MEM_MALLOC, Component, + Module, Line); + if (ACPI_FAILURE (Status)) + { + AcpiOsFree (Address); + return_PTR (NULL); + } + + DEBUG_PRINT (TRACE_ALLOCATIONS, + ("CmAllocate: %p Size 0x%x\n", Address, Size)); +#endif + + return_PTR (Address); +} + + +/***************************************************************************** + * + * FUNCTION: _CmCallocate + * + * 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 * +_CmCallocate ( + UINT32 Size, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + void *Address = NULL; + DEBUG_EXEC (\ + ACPI_STATUS Status) + + + FUNCTION_TRACE_U32 ("_CmCallocate", Size); + + + /* Check for an inadvertent size of zero bytes */ + + if (!Size) + { + _REPORT_ERROR (Module, Line, Component, + ("CmCallocate: Attempt to allocate zero bytes\n")); + return_VALUE (NULL); + } + + + Address = AcpiOsCallocate (Size); + + if (!Address) + { + /* Report allocation error */ + + _REPORT_ERROR (Module, Line, Component, + ("CmCallocate: Could not allocate size 0x%x\n", Size)); + return_VALUE (NULL); + } + +#ifdef ACPI_DEBUG + Status = AcpiCmAddElementToAllocList (Address, Size, MEM_CALLOC, Component, + Module, Line); + if (ACPI_FAILURE (Status)) + { + AcpiOsFree (Address); + return_PTR (NULL); + } +#endif + + DEBUG_PRINT (TRACE_ALLOCATIONS, + ("CmCallocate: %p Size 0x%x\n", Address, Size)); + + return_PTR (Address); +} + + +/***************************************************************************** + * + * FUNCTION: _CmFree + * + * PARAMETERS: Address - 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 Address + * + ****************************************************************************/ + +void +_CmFree ( + void *Address, + UINT32 Component, + NATIVE_CHAR *Module, + UINT32 Line) +{ + FUNCTION_TRACE_PTR ("_CmFree", Address); + + + if (NULL == Address) + { + _REPORT_ERROR (Module, Line, Component, + ("_CmFree: Trying to delete a NULL address\n")); + + return_VOID; + } + +#ifdef ACPI_DEBUG + AcpiCmDeleteElementFromAllocList (Address, Component, Module, Line); +#endif + + AcpiOsFree (Address); + + DEBUG_PRINT (TRACE_ALLOCATIONS, ("CmFree: %p freed\n", Address)); + + return_VOID; +} + + |