| /* $NoKeywords:$ */ |
| /** |
| * @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; |
| } |
| |