[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / EdkIIGlueLib / Library / BaseLib / Ia32 / SwapBytes64.asm

; Copyright (c) 2004, 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
;   CpuId.Asm\r
;\r
; Abstract:\r
;\r
;   AsmCpuid function\r
;\r
; Notes:\r
;\r
;------------------------------------------------------------------------------\r
\r
    .586\r
    .model  flat,C\r
    .code\r
\r
;------------------------------------------------------------------------------\r
; UINT64\r
; EFIAPI\r
; InternalMathSwapBytes64 (\r
;   IN      UINT64                    Operand\r
;   );\r
;------------------------------------------------------------------------------\r
InternalMathSwapBytes64 PROC\r
    mov     eax, [esp + 8]              ; eax <- upper 32 bits\r
    mov     edx, [esp + 4]              ; edx <- lower 32 bits\r
    bswap   eax\r
    bswap   edx\r
    ret\r
InternalMathSwapBytes64 ENDP\r
\r
    END\r
Commit	Line	Data
3eb9473e	1	; Copyright (c) 2004, Intel Corporation \r
	2	; All rights reserved. This program and the accompanying materials \r
	3	; are licensed and made available under the terms and conditions of the BSD License \r
	4	; which accompanies this distribution. The full text of the license may be found at \r
	5	; http://opensource.org/licenses/bsd-license.php \r
	6	; \r
	7	; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	8	; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	9	;\r
	10	; Module Name:\r
	11	;\r
	12	; CpuId.Asm\r
	13	;\r
	14	; Abstract:\r
	15	;\r
	16	; AsmCpuid function\r
	17	;\r
	18	; Notes:\r
	19	;\r
	20	;------------------------------------------------------------------------------\r
	21	\r
	22	.586\r
	23	.model flat,C\r
	24	.code\r
	25	\r
	26	;------------------------------------------------------------------------------\r
	27	; UINT64\r
	28	; EFIAPI\r
	29	; InternalMathSwapBytes64 (\r
	30	; IN UINT64 Operand\r
	31	; );\r
	32	;------------------------------------------------------------------------------\r
	33	InternalMathSwapBytes64 PROC\r
	34	mov eax, [esp + 8] ; eax <- upper 32 bits\r
	35	mov edx, [esp + 4] ; edx <- lower 32 bits\r
	36	bswap eax\r
	37	bswap edx\r
	38	ret\r
	39	InternalMathSwapBytes64 ENDP\r
	40	\r
	41	END\r