X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FLibrary%2FBaseMemoryLibStm%2FMemLibGuid.c;fp=ArmPkg%2FLibrary%2FBaseMemoryLibStm%2FMemLibGuid.c;h=0000000000000000000000000000000000000000;hb=3be743974a8e3cd2611b0b5a7feda7d2668d107b;hp=36d42d71d79a5486aaafca3e1623274884509945;hpb=dbb735a3c4ffd1d7ef79a1ed049d402fcc94eb0f;p=mirror_edk2.git diff --git a/ArmPkg/Library/BaseMemoryLibStm/MemLibGuid.c b/ArmPkg/Library/BaseMemoryLibStm/MemLibGuid.c deleted file mode 100644 index 36d42d71d7..0000000000 --- a/ArmPkg/Library/BaseMemoryLibStm/MemLibGuid.c +++ /dev/null @@ -1,161 +0,0 @@ -/** @file - Implementation of GUID functions. - - The following BaseMemoryLib instances contain the same copy of this file: - - BaseMemoryLib - BaseMemoryLibMmx - BaseMemoryLibSse2 - BaseMemoryLibRepStr - BaseMemoryLibOptDxe - BaseMemoryLibOptPei - PeiMemoryLib - UefiMemoryLib - - Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.
- This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include "MemLibInternals.h" - -/** - Copies a source GUID to a destination GUID. - - This function copies the contents of the 128-bit GUID specified by SourceGuid to - DestinationGuid, and returns DestinationGuid. - - If DestinationGuid is NULL, then ASSERT(). - If SourceGuid is NULL, then ASSERT(). - - @param DestinationGuid Pointer to the destination GUID. - @param SourceGuid Pointer to the source GUID. - - @return DestinationGuid. - -**/ -GUID * -EFIAPI -CopyGuid ( - OUT GUID *DestinationGuid, - IN CONST GUID *SourceGuid - ) -{ - WriteUnaligned64 ( - (UINT64*)DestinationGuid, - ReadUnaligned64 ((CONST UINT64*)SourceGuid) - ); - WriteUnaligned64 ( - (UINT64*)DestinationGuid + 1, - ReadUnaligned64 ((CONST UINT64*)SourceGuid + 1) - ); - return DestinationGuid; -} - -/** - Compares two GUIDs. - - This function compares Guid1 to Guid2. If the GUIDs are identical then TRUE is returned. - If there are any bit differences in the two GUIDs, then FALSE is returned. - - If Guid1 is NULL, then ASSERT(). - If Guid2 is NULL, then ASSERT(). - - @param Guid1 A pointer to a 128 bit GUID. - @param Guid2 A pointer to a 128 bit GUID. - - @retval TRUE Guid1 and Guid2 are identical. - @retval FALSE Guid1 and Guid2 are not identical. - -**/ -BOOLEAN -EFIAPI -CompareGuid ( - IN CONST GUID *Guid1, - IN CONST GUID *Guid2 - ) -{ - return (CompareMem(Guid1, Guid2, sizeof(GUID)) == 0) ? TRUE : FALSE; -} - -/** - Scans a target buffer for a GUID, and returns a pointer to the matching GUID - in the target buffer. - - This function searches the target buffer specified by Buffer and Length from - the lowest address to the highest address at 128-bit increments for the 128-bit - GUID value that matches Guid. If a match is found, then a pointer to the matching - GUID in the target buffer is returned. If no match is found, then NULL is returned. - If Length is 0, then NULL is returned. - - If Length > 0 and Buffer is NULL, then ASSERT(). - If Buffer is not aligned on a 32-bit boundary, then ASSERT(). - If Length is not aligned on a 128-bit boundary, then ASSERT(). - If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). - - @param Buffer Pointer to the target buffer to scan. - @param Length Number of bytes in Buffer to scan. - @param Guid Value to search for in the target buffer. - - @return A pointer to the matching Guid in the target buffer or NULL otherwise. - -**/ -VOID * -EFIAPI -ScanGuid ( - IN CONST VOID *Buffer, - IN UINTN Length, - IN CONST GUID *Guid - ) -{ - CONST GUID *GuidPtr; - - ASSERT (((UINTN)Buffer & (sizeof (Guid->Data1) - 1)) == 0); - ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1)); - ASSERT ((Length & (sizeof (*GuidPtr) - 1)) == 0); - - GuidPtr = (GUID*)Buffer; - Buffer = GuidPtr + Length / sizeof (*GuidPtr); - while (GuidPtr < (CONST GUID*)Buffer) { - if (CompareGuid (GuidPtr, Guid)) { - return (VOID*)GuidPtr; - } - GuidPtr++; - } - return NULL; -} - -/** - Checks if the given GUID is a zero GUID. - - This function checks whether the given GUID is a zero GUID. If the GUID is - identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. - - If Guid is NULL, then ASSERT(). - - @param Guid The pointer to a 128 bit GUID. - - @retval TRUE Guid is a zero GUID. - @retval FALSE Guid is not a zero GUID. - -**/ -BOOLEAN -EFIAPI -IsZeroGuid ( - IN CONST GUID *Guid - ) -{ - UINT64 LowPartOfGuid; - UINT64 HighPartOfGuid; - - LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); - HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); - - return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); -}