/** @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); | |
} |