CloverBootloader/MdePkg/Library/BaseLib/Ia32/FxSave.c
2019-09-03 12:58:42 +03:00

35 lines
697 B
C

/** @file
AsmFxSave function
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "BaseLibInternals.h"
/**
Save the current floating point/SSE/SSE2 context to a buffer.
Saves the current floating point/SSE/SSE2 state to 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 The pointer to a buffer to save the floating point/SSE/SSE2 context.
**/
VOID
EFIAPI
InternalX86FxSave (
OUT IA32_FX_BUFFER *Buffer
)
{
_asm {
mov eax, Buffer
fxsave [eax]
}
}