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

/** @file\r
  AsmFxSave function\r
\r
  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#include "BaseLibInternals.h"\r
\r
\r
/**\r
  Save the current floating point/SSE/SSE2 context to a buffer.\r
\r
  Saves the current floating point/SSE/SSE2 state to the buffer specified by\r
  Buffer. Buffer must be aligned on a 16-byte boundary. This function is only\r
  available on IA-32 and x64.\r
\r
  @param  Buffer  The pointer to a buffer to save the floating point/SSE/SSE2 context.\r
\r
**/\r
VOID\r
EFIAPI\r
InternalX86FxSave (\r
  OUT IA32_FX_BUFFER *Buffer\r
  )\r
{\r
  _asm {\r
    mov     eax, Buffer\r
    fxsave  [eax]\r
  }\r
}\r
\r
Commit	Line	Data
e1f414b6	1	/** @file\r
	2	AsmFxSave function\r
	3	\r
bb817c56	4	Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
9344f092	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
e1f414b6	6	\r
	7	**/\r
	8	\r
1efcc4ae	9	\r
47fc17d8	10	#include "BaseLibInternals.h"\r
f734a10a	11	\r
e1f414b6	12	\r
42eedea9	13	/**\r
	14	Save the current floating point/SSE/SSE2 context to a buffer.\r
	15	\r
	16	Saves the current floating point/SSE/SSE2 state to the buffer specified by\r
	17	Buffer. Buffer must be aligned on a 16-byte boundary. This function is only\r
030cd1a2	18	available on IA-32 and x64.\r
42eedea9	19	\r
2fc59a00	20	@param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.\r
42eedea9	21	\r
42eedea9	22	**/\r
e1f414b6	23	VOID\r
	24	EFIAPI\r
	25	InternalX86FxSave (\r
	26	OUT IA32_FX_BUFFER *Buffer\r
	27	)\r
	28	{\r
	29	_asm {\r
	30	mov eax, Buffer\r
	31	fxsave [eax]\r
	32	}\r
	33	}\r
	34	\r