/* $NoKeywords:$ */ /** * @file * * Service procedure to access heap. * * * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: GNB * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ * */ /* ***************************************************************************** * * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Advanced Micro Devices, Inc. nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *************************************************************************** * */ /*---------------------------------------------------------------------------------------- * M O D U L E S U S E D *---------------------------------------------------------------------------------------- */ #include "Porting.h" #include "AMD.h" #include "amdlib.h" #include "heapManager.h" #include "GnbLibPciAcc.h" #include "Filecode.h" #define FILECODE PROC_GNB_MODULES_GNBCOMMONLIB_GNBLIBHEAP_FILECODE /*---------------------------------------------------------------------------------------- * D E F I N I T I O N S A N D M A C R O S *---------------------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------------------- * T Y P E D E F S A N D S T R U C T U R E S *---------------------------------------------------------------------------------------- */ VOID * GnbAllocateHeapBuffer ( IN UINT32 Handle, IN UINTN Length, IN AMD_CONFIG_PARAMS *StdHeader ); VOID * GnbAllocateHeapBufferAndClear ( IN UINT32 Handle, IN UINTN Length, IN AMD_CONFIG_PARAMS *StdHeader ); VOID * GnbLocateHeapBuffer ( IN UINT32 Handle, IN AMD_CONFIG_PARAMS *StdHeader ); /*---------------------------------------------------------------------------------------*/ /** * Allocates space for a new buffer in the heap * * * @param[in] Handle Buffer handle * @param[in] Length Buffer length * @param[in] StdHeader Standard configuration header * * @retval NULL Buffer allocation fail * */ VOID * GnbAllocateHeapBuffer ( IN UINT32 Handle, IN UINTN Length, IN AMD_CONFIG_PARAMS *StdHeader ) { AGESA_STATUS Status; ALLOCATE_HEAP_PARAMS AllocHeapParams; AllocHeapParams.RequestedBufferSize = (UINT32) Length; AllocHeapParams.BufferHandle = Handle; AllocHeapParams.Persist = HEAP_SYSTEM_MEM; Status = HeapAllocateBuffer (&AllocHeapParams, StdHeader); if (Status != AGESA_SUCCESS) { return NULL; } return AllocHeapParams.BufferPtr; } /*---------------------------------------------------------------------------------------*/ /** * Allocates space for a new buffer in the heap and clear it * * * @param[in] Handle Buffer handle * @param[in] Length Buffer length * @param[in] StdHeader Standard configuration header * * @retval NULL Buffer allocation fail * */ VOID * GnbAllocateHeapBufferAndClear ( IN UINT32 Handle, IN UINTN Length, IN AMD_CONFIG_PARAMS *StdHeader ) { VOID *Buffer; Buffer = GnbAllocateHeapBuffer (Handle, Length, StdHeader); if (Buffer != NULL) { LibAmdMemFill (Buffer, 0x00, Length, StdHeader); } return Buffer; } /*---------------------------------------------------------------------------------------*/ /** * Locates a previously allocated buffer on the heap. * * * @param[in] Handle Buffer handle * @param[in] StdHeader Standard configuration header * * @retval NULL Buffer handle not found * */ VOID * GnbLocateHeapBuffer ( IN UINT32 Handle, IN AMD_CONFIG_PARAMS *StdHeader ) { AGESA_STATUS Status; LOCATE_HEAP_PTR LocHeapParams; LocHeapParams.BufferHandle = Handle; Status = HeapLocateBuffer (&LocHeapParams, StdHeader); if (Status != AGESA_SUCCESS) { return NULL; } return LocHeapParams.BufferPtr; }