860 lines
26 KiB
C
860 lines
26 KiB
C
/******************************************************************************
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*
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* Module Name: utalloc - local cache and memory allocation routines
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* xRevision: 100 $
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __UTALLOC_C__
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#include "acpi.h"
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#include "acparser.h"
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#include "acinterp.h"
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#include "acnamesp.h"
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#include "acglobal.h"
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#define _COMPONENT ACPI_UTILITIES
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MODULE_NAME ("utalloc")
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/******************************************************************************
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*
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* FUNCTION: AcpiUtReleaseToCache
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*
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* PARAMETERS: ListId - Memory list/cache ID
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* Object - The object to be released
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*
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* RETURN: None
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*
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* DESCRIPTION: Release an object to the specified cache. If cache is full,
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* the object is deleted.
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*
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******************************************************************************/
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void
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AcpiUtReleaseToCache (
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UINT32 ListId,
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void *Object)
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{
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ACPI_MEMORY_LIST *CacheInfo;
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FUNCTION_ENTRY ();
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/* If walk cache is full, just free this wallkstate object */
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CacheInfo = &AcpiGbl_MemoryLists[ListId];
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if (CacheInfo->CacheDepth >= CacheInfo->MaxCacheDepth)
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{
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ACPI_MEM_FREE (Object);
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ACPI_MEM_TRACKING (CacheInfo->TotalFreed++);
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}
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/* Otherwise put this object back into the cache */
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else
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{
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AcpiUtAcquireMutex (ACPI_MTX_CACHES);
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/* Mark the object as cached */
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MEMSET (Object, 0xCA, CacheInfo->ObjectSize);
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/* Put the object at the head of the cache list */
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* (char **) (((char *) Object) + CacheInfo->LinkOffset) = CacheInfo->ListHead;
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CacheInfo->ListHead = Object;
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CacheInfo->CacheDepth++;
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AcpiUtReleaseMutex (ACPI_MTX_CACHES);
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiUtAcquireFromCache
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*
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* PARAMETERS: ListId - Memory list ID
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*
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* RETURN: A requested object. NULL if the object could not be
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* allocated.
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*
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* DESCRIPTION: Get an object from the specified cache. If cache is empty,
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* the object is allocated.
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*
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******************************************************************************/
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void *
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AcpiUtAcquireFromCache (
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UINT32 ListId)
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{
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ACPI_MEMORY_LIST *CacheInfo;
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void *Object;
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PROC_NAME ("UtAcquireFromCache");
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CacheInfo = &AcpiGbl_MemoryLists[ListId];
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AcpiUtAcquireMutex (ACPI_MTX_CACHES);
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ACPI_MEM_TRACKING (CacheInfo->CacheRequests++);
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/* Check the cache first */
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if (CacheInfo->ListHead)
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{
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/* There is an object available, use it */
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Object = CacheInfo->ListHead;
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CacheInfo->ListHead = * (char **) (((char *) Object) + CacheInfo->LinkOffset);
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ACPI_MEM_TRACKING (CacheInfo->CacheHits++);
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CacheInfo->CacheDepth--;
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
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Object, AcpiGbl_MemoryLists[ListId].ListName));
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#endif
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AcpiUtReleaseMutex (ACPI_MTX_CACHES);
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/* Clear (zero) the previously used Object */
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MEMSET (Object, 0, CacheInfo->ObjectSize);
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}
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else
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{
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/* The cache is empty, create a new object */
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/* Avoid deadlock with ACPI_MEM_CALLOCATE */
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AcpiUtReleaseMutex (ACPI_MTX_CACHES);
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Object = ACPI_MEM_CALLOCATE (CacheInfo->ObjectSize);
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ACPI_MEM_TRACKING (CacheInfo->TotalAllocated++);
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}
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return (Object);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiUtDeleteGenericCache
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*
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* PARAMETERS: ListId - Memory list ID
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*
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* RETURN: None
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*
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* DESCRIPTION: Free all objects within the requested cache.
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*
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******************************************************************************/
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void
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AcpiUtDeleteGenericCache (
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UINT32 ListId)
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{
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ACPI_MEMORY_LIST *CacheInfo;
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char *Next;
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FUNCTION_ENTRY ();
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CacheInfo = &AcpiGbl_MemoryLists[ListId];
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while (CacheInfo->ListHead)
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{
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/* Delete one cached state object */
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Next = * (char **) (((char *) CacheInfo->ListHead) + CacheInfo->LinkOffset);
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ACPI_MEM_FREE (CacheInfo->ListHead);
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CacheInfo->ListHead = Next;
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CacheInfo->CacheDepth--;
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}
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}
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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/*
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* These procedures are used for tracking memory leaks in the subsystem, and
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* they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
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*
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* Each memory allocation is tracked via a doubly linked list. Each
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* element contains the caller's component, module name, function name, and
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* line number. AcpiUtAllocate and AcpiUtCallocate call
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* AcpiUtAddElementToAllocList to add an element to the list; deletion
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* occurs in the body of AcpiUtFree.
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*/
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtSearchAllocList
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*
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* PARAMETERS: Address - Address of allocated memory
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*
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* RETURN: A list element if found; NULL otherwise.
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*
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* DESCRIPTION: Searches for an element in the global allocation tracking list.
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*
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******************************************************************************/
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ACPI_DEBUG_MEM_BLOCK *
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AcpiUtSearchAllocList (
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UINT32 ListId,
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void *Address)
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{
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ACPI_DEBUG_MEM_BLOCK *Element;
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FUNCTION_ENTRY ();
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if (ListId > ACPI_MEM_LIST_MAX)
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{
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return (NULL);
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}
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Element = AcpiGbl_MemoryLists[ListId].ListHead;
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/* Search for the address. */
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while (Element)
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{
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if (Element == Address)
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{
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return (Element);
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}
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Element = Element->Next;
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}
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return (NULL);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtAddElementToAllocList
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*
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* PARAMETERS: Address - Address of allocated memory
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* Size - Size of the allocation
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* AllocType - MEM_MALLOC or MEM_CALLOC
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* Component - Component type of caller
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* Module - Source file name of caller
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* Line - Line number of caller
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*
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* RETURN: None.
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*
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* DESCRIPTION: Inserts an element into the global allocation tracking list.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiUtAddElementToAllocList (
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UINT32 ListId,
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ACPI_DEBUG_MEM_BLOCK *Address,
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UINT32 Size,
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UINT8 AllocType,
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UINT32 Component,
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NATIVE_CHAR *Module,
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UINT32 Line)
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{
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ACPI_MEMORY_LIST *MemList;
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ACPI_DEBUG_MEM_BLOCK *Element;
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ACPI_STATUS Status = AE_OK;
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FUNCTION_TRACE_PTR ("UtAddElementToAllocList", Address);
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if (ListId > ACPI_MEM_LIST_MAX)
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{
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return_ACPI_STATUS (AE_BAD_PARAMETER);
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}
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MemList = &AcpiGbl_MemoryLists[ListId];
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AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
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/*
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* Search list for this address to make sure it is not already on the list.
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* This will catch several kinds of problems.
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*/
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Element = AcpiUtSearchAllocList (ListId, Address);
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if (Element)
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{
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REPORT_ERROR (("UtAddElementToAllocList: Address already present in list! (%p)\n",
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Address));
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", Element, Address));
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goto UnlockAndExit;
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}
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/* Fill in the instance data. */
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Address->Size = Size;
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Address->AllocType = AllocType;
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Address->Component = Component;
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Address->Line = Line;
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STRNCPY (Address->Module, Module, MAX_MODULE_NAME);
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/* Insert at list head */
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if (MemList->ListHead)
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{
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((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Address;
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}
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Address->Next = MemList->ListHead;
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Address->Previous = NULL;
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MemList->ListHead = Address;
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UnlockAndExit:
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AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtDeleteElementFromAllocList
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*
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* PARAMETERS: Address - Address of allocated memory
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* Component - Component type of caller
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* Module - Source file name of caller
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* Line - Line number of caller
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*
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* RETURN:
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*
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* DESCRIPTION: Deletes an element from the global allocation tracking list.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiUtDeleteElementFromAllocList (
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UINT32 ListId,
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ACPI_DEBUG_MEM_BLOCK *Address,
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UINT32 Component,
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NATIVE_CHAR *Module,
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UINT32 Line)
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{
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ACPI_MEMORY_LIST *MemList;
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FUNCTION_TRACE ("UtDeleteElementFromAllocList");
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if (ListId > ACPI_MEM_LIST_MAX)
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{
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return_ACPI_STATUS (AE_BAD_PARAMETER);
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}
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MemList = &AcpiGbl_MemoryLists[ListId];
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if (NULL == MemList->ListHead)
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{
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/* No allocations! */
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_REPORT_ERROR (Module, Line, Component,
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("UtDeleteElementFromAllocList: Empty allocation list, nothing to free!\n"));
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return_ACPI_STATUS (AE_OK);
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}
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AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
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/* Unlink */
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if (Address->Previous)
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{
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(Address->Previous)->Next = Address->Next;
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}
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else
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{
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MemList->ListHead = Address->Next;
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}
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if (Address->Next)
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{
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(Address->Next)->Previous = Address->Previous;
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}
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/* Mark the segment as deleted */
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MEMSET (&Address->UserSpace, 0xEA, Address->Size);
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ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size %X\n", Address->Size));
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AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtDumpAllocationInfo
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*
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* PARAMETERS:
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*
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* RETURN: None
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*
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* DESCRIPTION: Print some info about the outstanding allocations.
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*
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******************************************************************************/
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void
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AcpiUtDumpAllocationInfo (
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void)
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{
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/*
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ACPI_MEMORY_LIST *MemList;
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*/
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FUNCTION_TRACE ("UtDumpAllocationInfo");
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/*
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ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
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("%30s: %4d (%3d Kb)\n", "Current allocations",
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MemList->CurrentCount,
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ROUND_UP_TO_1K (MemList->CurrentSize)));
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ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
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("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
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MemList->MaxConcurrentCount,
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ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
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ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
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("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
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RunningObjectCount,
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ROUND_UP_TO_1K (RunningObjectSize)));
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ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
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("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
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RunningAllocCount,
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ROUND_UP_TO_1K (RunningAllocSize)));
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ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
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("%30s: %4d (%3d Kb)\n", "Current Nodes",
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AcpiGbl_CurrentNodeCount,
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ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
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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: AcpiUtDumpCurrentAllocations
|
|
*
|
|
* 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
|
|
AcpiUtDumpCurrentAllocations (
|
|
UINT32 Component,
|
|
NATIVE_CHAR *Module)
|
|
{
|
|
ACPI_DEBUG_MEM_BLOCK *Element;
|
|
UINT32 i;
|
|
|
|
|
|
FUNCTION_TRACE ("UtDumpCurrentAllocations");
|
|
|
|
|
|
Element = AcpiGbl_MemoryLists[0].ListHead;
|
|
if (Element == NULL)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
|
|
"No outstanding allocations.\n"));
|
|
return_VOID;
|
|
}
|
|
|
|
|
|
/*
|
|
* Walk the allocation list.
|
|
*/
|
|
AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
|
|
"Outstanding allocations:\n"));
|
|
|
|
for (i = 1; ; i++) /* Just a counter */
|
|
{
|
|
if ((Element->Component & Component) &&
|
|
((Module == NULL) || (0 == STRCMP (Module, Element->Module))))
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
|
|
"%p Len %04lX %9.9s-%ld",
|
|
&Element->UserSpace, Element->Size, Element->Module,
|
|
Element->Line));
|
|
|
|
/* Most of the elements will be internal objects. */
|
|
|
|
switch (((ACPI_OPERAND_OBJECT *)
|
|
(&Element->UserSpace))->Common.DataType)
|
|
{
|
|
case ACPI_DESC_TYPE_INTERNAL:
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS,
|
|
" ObjType %s",
|
|
AcpiUtGetTypeName (((ACPI_OPERAND_OBJECT *)(&Element->UserSpace))->Common.Type)));
|
|
break;
|
|
|
|
case ACPI_DESC_TYPE_PARSER:
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS,
|
|
" ParseObj Opcode %04X",
|
|
((ACPI_PARSE_OBJECT *)(&Element->UserSpace))->Opcode));
|
|
break;
|
|
|
|
case ACPI_DESC_TYPE_NAMED:
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS,
|
|
" Node %4.4s",
|
|
&((ACPI_NAMESPACE_NODE *)(&Element->UserSpace))->Name));
|
|
break;
|
|
|
|
case ACPI_DESC_TYPE_STATE:
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS,
|
|
" StateObj"));
|
|
break;
|
|
}
|
|
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS, "\n"));
|
|
}
|
|
|
|
if (Element->Next == NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
Element = Element->Next;
|
|
}
|
|
|
|
AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
|
|
"Total number of unfreed allocations = %d(%X)\n", i,i));
|
|
|
|
|
|
return_VOID;
|
|
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* 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 (
|
|
UINT32 Size,
|
|
UINT32 Component,
|
|
NATIVE_CHAR *Module,
|
|
UINT32 Line)
|
|
{
|
|
ACPI_DEBUG_MEM_BLOCK *Address;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE_U32 ("UtAllocate", Size);
|
|
|
|
|
|
/* Check for an inadvertent size of zero bytes */
|
|
|
|
if (!Size)
|
|
{
|
|
_REPORT_ERROR (Module, Line, Component,
|
|
("UtAllocate: Attempt to allocate zero bytes\n"));
|
|
Size = 1;
|
|
}
|
|
|
|
Address = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK));
|
|
if (!Address)
|
|
{
|
|
/* Report allocation error */
|
|
|
|
_REPORT_ERROR (Module, Line, Component,
|
|
("UtAllocate: Could not allocate size %X\n", Size));
|
|
|
|
return_PTR (NULL);
|
|
}
|
|
|
|
Status = AcpiUtAddElementToAllocList (ACPI_MEM_LIST_GLOBAL, Address, Size,
|
|
MEM_MALLOC, Component, Module, Line);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsFree (Address);
|
|
return_PTR (NULL);
|
|
}
|
|
|
|
AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++;
|
|
AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += Size;
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", Address, Size));
|
|
|
|
return_PTR ((void *) &Address->UserSpace);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* 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 (
|
|
UINT32 Size,
|
|
UINT32 Component,
|
|
NATIVE_CHAR *Module,
|
|
UINT32 Line)
|
|
{
|
|
ACPI_DEBUG_MEM_BLOCK *Address;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE_U32 ("UtCallocate", Size);
|
|
|
|
|
|
/* Check for an inadvertent size of zero bytes */
|
|
|
|
if (!Size)
|
|
{
|
|
_REPORT_ERROR (Module, Line, Component,
|
|
("UtCallocate: Attempt to allocate zero bytes\n"));
|
|
return_PTR (NULL);
|
|
}
|
|
|
|
|
|
Address = AcpiOsCallocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK));
|
|
if (!Address)
|
|
{
|
|
/* Report allocation error */
|
|
|
|
_REPORT_ERROR (Module, Line, Component,
|
|
("UtCallocate: Could not allocate size %X\n", Size));
|
|
return_PTR (NULL);
|
|
}
|
|
|
|
Status = AcpiUtAddElementToAllocList (ACPI_MEM_LIST_GLOBAL, Address, Size,
|
|
MEM_CALLOC, Component, Module, Line);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsFree (Address);
|
|
return_PTR (NULL);
|
|
}
|
|
|
|
AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++;
|
|
AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += Size;
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", Address, Size));
|
|
return_PTR ((void *) &Address->UserSpace);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtFree
|
|
*
|
|
* 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
|
|
AcpiUtFree (
|
|
void *Address,
|
|
UINT32 Component,
|
|
NATIVE_CHAR *Module,
|
|
UINT32 Line)
|
|
{
|
|
ACPI_DEBUG_MEM_BLOCK *DebugBlock;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("UtFree", Address);
|
|
|
|
|
|
if (NULL == Address)
|
|
{
|
|
_REPORT_ERROR (Module, Line, Component,
|
|
("AcpiUtFree: Trying to delete a NULL address\n"));
|
|
|
|
return_VOID;
|
|
}
|
|
|
|
DebugBlock = (ACPI_DEBUG_MEM_BLOCK *)
|
|
(((char *) Address) - sizeof (ACPI_DEBUG_MEM_HEADER));
|
|
|
|
AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalFreed++;
|
|
AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize -= DebugBlock->Size;
|
|
|
|
AcpiUtDeleteElementFromAllocList (ACPI_MEM_LIST_GLOBAL, DebugBlock,
|
|
Component, Module, Line);
|
|
AcpiOsFree (DebugBlock);
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Address));
|
|
|
|
return_VOID;
|
|
}
|
|
|
|
#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */
|
|
|