4ba61e5e2a
The MAX_BIT of EBC will no longer be fixed to bit 63. It is defined as (1ULL << (sizeof (INTN) * 8 - 1)). Make EdkModulePkg & MdePkg EBC compiler clean: treat all EFI_STATUS error code as variable. 2. PrintLib Complete all missing ASSERT()s. Fix “\n” & “%\n” issue thanks to the clarification of MWG 0.56d. Adjust StatusString array to support EBC build. 3. BaseMemoryLib Adjust ASSERT () & function header of ComparaMem, SetMemXX, ScanMemXX to synchronize with MWG 0.56d. 4.SmbusLib Change Pec bit to bit 22 SmBusAddress to synchronize MWG 0.56d. Add ASSERT()s to check if length is illegal for SmBusBlockWrite() & SmBusProcessBlock() since it is 6 bit now. 5. PerformanceLib Rename “EdkDxePerformanceLib” & “EdkPeiPerformanceLib” to “DxePerformanceLib” & “PeiPerformanceLib” respectively. Synchronize the function header of GetPerformanceMeasurement() with MWG 0.56d. 6. BasePeCoffLoaderLib. Make PeCoffLoaderLoadImage () Assert() if ImageContext is NULL> Make PeCoffLoaderLoadImage () return RETURN_INVALID_PARAMETER if the ImageAddress in ImageContext is 0. Adjust some coding style. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@593 6f19259b-4bc3-4df7-8a09-765794883524
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/** @file
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CompareMem() implementation.
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Copyright (c) 2006, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: CompareMemWrapper.c
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The following BaseMemoryLib instances share the same version of this file:
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BaseMemoryLib
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BaseMemoryLibMmx
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BaseMemoryLibSse2
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BaseMemoryLibRepStr
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PeiMemoryLib
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UefiMemoryLib
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**/
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#include "MemLibInternals.h"
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/**
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Compares the contents of two buffers.
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This function compares Length bytes of SourceBuffer to Length bytes of DestinationBuffer.
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If all Length bytes of the two buffers are identical, then 0 is returned. Otherwise, the
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value returned is the first mismatched byte in SourceBuffer subtracted from the first
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mismatched byte in DestinationBuffer.
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If Length > 0 and DestinationBuffer is NULL and Length > 0, then ASSERT().
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If Length > 0 and SourceBuffer is NULL and Length > 0, then ASSERT().
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If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().
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If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().
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@param DestinationBuffer Pointer to the destination buffer to compare.
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@param SourceBuffer Pointer to the source buffer to compare.
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@param Length Number of bytes to compare.
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@return 0 All Length bytes of the two buffers are identical.
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@retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
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mismatched byte in DestinationBuffer.
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**/
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INTN
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EFIAPI
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CompareMem (
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IN CONST VOID *DestinationBuffer,
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IN CONST VOID *SourceBuffer,
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IN UINTN Length
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)
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{
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if (Length == 0) {
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return 0;
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}
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ASSERT (DestinationBuffer != NULL);
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ASSERT (SourceBuffer != NULL);
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ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer));
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ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer));
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return InternalMemCompareMem (DestinationBuffer, SourceBuffer, Length);
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}
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