audk/MdePkg/Library/BaseLib/Ia32/FxRestore.c

41 lines
1.1 KiB
C

/** @file
AsmFxRestore function
Copyright (c) 2006 - 2007, Intel Corporation<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BaseLibInternals.h"
/**
Restores the current floating point/SSE/SSE2 context from a buffer.
Restores the current floating point/SSE/SSE2 state from the buffer specified
by Buffer. Buffer must be aligned on a 16-byte boundary. This function is
only available on IA-32 and X64.
@param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.
**/
VOID
EFIAPI
InternalX86FxRestore (
IN CONST IA32_FX_BUFFER *Buffer
)
{
_asm {
mov eax, Buffer
fxrstor [eax]
}
}