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/** @file
Public header file for UEFI CPU library class.
This library class defines some routines that are generic for IA32 family CPU
to be UEFI specification compliant.
Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __UEFI_CPU_LIB_H__
#define __UEFI_CPU_LIB_H__
/**
Initializes floating point units for requirement of UEFI specification.
This function initializes floating-point control word to 0x027F (all exceptions
masked,double-precision, round-to-nearest) and multimedia-extensions control word
(if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
for masked underflow).
**/
VOID
EFIAPI
InitializeFloatingPointUnits (
VOID
);
/**
Determine if the standard CPU signature is "AuthenticAMD".
@retval TRUE The CPU signature matches.
@retval FALSE The CPU signature does not match.
**/
BOOLEAN
EFIAPI
StandardSignatureIsAuthenticAMD (
VOID
);
#endif
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