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/** @file
IA-32/x64 AsmFxRestore()
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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.
If Buffer is NULL, then ASSERT().
If Buffer is not aligned on a 16-byte boundary, then ASSERT().
If Buffer was not saved with AsmFxSave(), then ASSERT().
@param Buffer A pointer to a buffer to save the floating point/SSE/SSE2 context.
**/
VOID
EFIAPI
AsmFxRestore (
IN CONST IA32_FX_BUFFER *Buffer
)
{
ASSERT (Buffer != NULL);
ASSERT (0 == ((UINTN)Buffer & 0xf));
//
// Check the flag recorded by AsmFxSave()
//
ASSERT (0xAA5555AA == *(UINT32 *)(&Buffer->Buffer[sizeof (Buffer->Buffer) - 4]));
InternalX86FxRestore (Buffer);
}
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