053e878bfb
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the UefiCpuPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/** @file
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Public header file for UEFI CPU library class.
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This library class defines some routines that are generic for IA32 family CPU
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to be UEFI specification compliant.
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Copyright (c) 2009 - 2021, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __UEFI_CPU_LIB_H__
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#define __UEFI_CPU_LIB_H__
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/**
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Initializes floating point units for requirement of UEFI specification.
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This function initializes floating-point control word to 0x027F (all exceptions
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masked,double-precision, round-to-nearest) and multimedia-extensions control word
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(if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
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for masked underflow).
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**/
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VOID
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EFIAPI
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InitializeFloatingPointUnits (
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VOID
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);
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/**
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Determine if the standard CPU signature is "AuthenticAMD".
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@retval TRUE The CPU signature matches.
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@retval FALSE The CPU signature does not match.
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**/
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BOOLEAN
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EFIAPI
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StandardSignatureIsAuthenticAMD (
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VOID
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);
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/**
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Return the 32bit CPU family and model value.
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@return CPUID[01h].EAX with Processor Type and Stepping ID cleared.
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**/
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UINT32
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EFIAPI
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GetCpuFamilyModel (
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VOID
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);
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/**
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Return the CPU stepping ID.
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@return CPU stepping ID value in CPUID[01h].EAX.
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**/
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UINT8
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EFIAPI
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GetCpuSteppingId (
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VOID
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);
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#endif
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