UefiCpuPkg: Apply uncrustify changes

[mirror_edk2.git] / UefiCpuPkg / Include / Library / UefiCpuLib.h

/** @file\r
  Public header file for UEFI CPU library class.\r
\r
  This library class defines some routines that are generic for IA32 family CPU\r
  to be UEFI specification compliant.\r
\r
  Copyright (c) 2009 - 2021, Intel Corporation. All rights reserved.<BR>\r
  Copyright (c) 2020, AMD Inc. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __UEFI_CPU_LIB_H__\r
#define __UEFI_CPU_LIB_H__\r
\r
/**\r
  Initializes floating point units for requirement of UEFI specification.\r
\r
  This function initializes floating-point control word to 0x027F (all exceptions\r
  masked,double-precision, round-to-nearest) and multimedia-extensions control word\r
  (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero\r
  for masked underflow).\r
\r
**/\r
VOID\r
EFIAPI\r
InitializeFloatingPointUnits (\r
  VOID\r
  );\r
\r
/**\r
  Determine if the standard CPU signature is "AuthenticAMD".\r
\r
  @retval TRUE  The CPU signature matches.\r
  @retval FALSE The CPU signature does not match.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
StandardSignatureIsAuthenticAMD (\r
  VOID\r
  );\r
\r
/**\r
  Return the 32bit CPU family and model value.\r
\r
  @return CPUID[01h].EAX with Processor Type and Stepping ID cleared.\r
**/\r
UINT32\r
EFIAPI\r
GetCpuFamilyModel (\r
  VOID\r
  );\r
\r
/**\r
  Return the CPU stepping ID.\r
  @return CPU stepping ID value in CPUID[01h].EAX.\r
**/\r
UINT8\r
EFIAPI\r
GetCpuSteppingId (\r
  VOID\r
  );\r
\r
#endif\r