diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm')
-rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm new file mode 100644 index 0000000..ae4e6ce --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm @@ -0,0 +1,62 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, 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. +; +; Module Name: +; +; ScanMem64.Asm +; +; Abstract: +; +; ScanMem64 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem64 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT64 Value +; ); +;------------------------------------------------------------------------------ +InternalMemScanMem64 PROC USES edi + mov ecx, [esp + 12] + mov eax, [esp + 16] + mov edx, [esp + 20] + mov edi, [esp + 8] +@@: + cmp eax, [edi] + lea edi, [edi + 8] + loopne @B + jne @F + cmp edx, [edi - 4] + jecxz @F + jne @B +@@: + lea eax, [edi - 8] + cmovne eax, ecx + ret +InternalMemScanMem64 ENDP + + END |