[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ia32 / WriteDr4.c

/** @file\r
  AsmWriteDr4 function\r
\r
  Copyright (c) 2006 - 2007, 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
UINTN\r
EFIAPI\r
AsmWriteDr4 (\r
  IN UINTN Value\r
  )\r
{\r
  _asm {\r
    mov     eax, Value\r
    _emit   0x0f         // mov dr4, eax\r
    _emit   0x23\r
    _emit   0xe0\r
  }\r
}\r
\r
Commit	Line	Data
23086ba8	1	/** @file\r
	2	AsmWriteDr4 function\r
	3	\r
e5f461a8	4	Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
23086ba8	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
23086ba8	15	UINTN\r
	16	EFIAPI\r
	17	AsmWriteDr4 (\r
	18	IN UINTN Value\r
	19	)\r
	20	{\r
	21	_asm {\r
	22	mov eax, Value\r
	23	_emit 0x0f // mov dr4, eax\r
	24	_emit 0x23\r
	25	_emit 0xe0\r
	26	}\r
	27	}\r
	28	\r