[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / SwapBytes64.c

/** @file\r
  Implementation of 64-bit swap bytes\r
\r
  Copyright (c) 2006, Intel Corporation<BR>\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
**/\r
\r
#if _MSC_EXTENSIONS\r
\r
UINT64\r
EFIAPI\r
InternalMathSwapBytes64 (\r
  IN      UINT64                    Operand\r
  )\r
{\r
  _asm {\r
    mov     eax, dword ptr [Operand + 4]\r
    mov     edx, dword ptr [Operand + 0]\r
    bswap   eax\r
    bswap   edx\r
  }\r
}\r
\r
#endif\r
Commit	Line	Data
23086ba8	1	/** @file\r
	2	Implementation of 64-bit swap bytes\r
	3	\r
	4	Copyright (c) 2006, Intel Corporation<BR>\r
	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#if _MSC_EXTENSIONS\r
	16	\r
	17	UINT64\r
	18	EFIAPI\r
	19	InternalMathSwapBytes64 (\r
	20	IN UINT64 Operand\r
	21	)\r
	22	{\r
	23	_asm {\r
	24	mov eax, dword ptr [Operand + 4]\r
	25	mov edx, dword ptr [Operand + 0]\r
	26	bswap eax\r
	27	bswap edx\r
	28	}\r
	29	}\r
	30	\r
	31	#endif\r