[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibRepStr / Ia32 / ScanMem32.asm

//\r
// Include common header file for this module.\r
//\r
\r
\r
;------------------------------------------------------------------------------\r
;\r
; Copyright (c) 2006, Intel Corporation\r
; All rights reserved. This program and the accompanying materials\r
; are licensed and made available under the terms and conditions of the BSD License\r
; which accompanies this distribution.  The full text of the license may be found at\r
; http://opensource.org/licenses/bsd-license.php\r
;\r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
;\r
; Module Name:\r
;\r
;   ScanMem32.Asm\r
;\r
; Abstract:\r
;\r
;   ScanMem32 function\r
;\r
; Notes:\r
;\r
;   The following BaseMemoryLib instances share the same version of this file:\r
;\r
;       BaseMemoryLibRepStr\r
;       BaseMemoryLibMmx\r
;       BaseMemoryLibSse2\r
;\r
;------------------------------------------------------------------------------\r
\r
    .686\r
    .model  flat,C\r
    .code\r
\r
;------------------------------------------------------------------------------\r
; CONST VOID *\r
; EFIAPI\r
; InternalMemScanMem32 (\r
;   IN      CONST VOID                *Buffer,\r
;   IN      UINTN                     Length,\r
;   IN      UINT32                    Value\r
;   );\r
;------------------------------------------------------------------------------\r
InternalMemScanMem32    PROC    USES    edi\r
    mov     ecx, [esp + 12]\r
    mov     edi, [esp + 8]\r
    mov     eax, [esp + 16]\r
    repne   scasd\r
    lea     eax, [edi - 4]\r
    cmovnz  eax, ecx\r
    ret\r
InternalMemScanMem32    ENDP\r
\r
    END\r
Commit	Line	Data
e1f414b6	1	//\r
	2	// Include common header file for this module.\r
	3	//\r
f734a10a	4	\r
e1f414b6	5	\r
	6	;------------------------------------------------------------------------------\r
	7	;\r
	8	; Copyright (c) 2006, Intel Corporation\r
	9	; All rights reserved. This program and the accompanying materials\r
	10	; are licensed and made available under the terms and conditions of the BSD License\r
	11	; which accompanies this distribution. The full text of the license may be found at\r
	12	; http://opensource.org/licenses/bsd-license.php\r
	13	;\r
	14	; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	15	; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	16	;\r
	17	; Module Name:\r
	18	;\r
	19	; ScanMem32.Asm\r
	20	;\r
	21	; Abstract:\r
	22	;\r
	23	; ScanMem32 function\r
	24	;\r
	25	; Notes:\r
	26	;\r
	27	; The following BaseMemoryLib instances share the same version of this file:\r
	28	;\r
	29	; BaseMemoryLibRepStr\r
	30	; BaseMemoryLibMmx\r
	31	; BaseMemoryLibSse2\r
	32	;\r
	33	;------------------------------------------------------------------------------\r
	34	\r
	35	.686\r
	36	.model flat,C\r
	37	.code\r
	38	\r
	39	;------------------------------------------------------------------------------\r
	40	; CONST VOID *\r
	41	; EFIAPI\r
	42	; InternalMemScanMem32 (\r
	43	; IN CONST VOID *Buffer,\r
	44	; IN UINTN Length,\r
	45	; IN UINT32 Value\r
	46	; );\r
	47	;------------------------------------------------------------------------------\r
	48	InternalMemScanMem32 PROC USES edi\r
	49	mov ecx, [esp + 12]\r
	50	mov edi, [esp + 8]\r
	51	mov eax, [esp + 16]\r
	52	repne scasd\r
	53	lea eax, [edi - 4]\r
	54	cmovnz eax, ecx\r
	55	ret\r
	56	InternalMemScanMem32 ENDP\r
	57	\r
	58	END\r