UefiCpuPkg/CpuFeatures: Change files format to DOS

[mirror_edk2.git] / UefiCpuPkg / Library / CpuCommonFeaturesLib / FastStrings.c

/** @file\r
  Fast-Strings feature.\r
\r
  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "CpuCommonFeatures.h"\r
\r
/**\r
  Initializes Fast-Strings feature to specific state.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
  @param[in]  State            If TRUE, then the Fast-Strings feature must be enabled.\r
                               If FALSE, then the Fast-Strings feature must be disabled.\r
\r
  @retval RETURN_SUCCESS       Fast-Strings feature is initialized.\r
\r
  @note This service could be called by BSP only.\r
**/\r
RETURN_STATUS\r
EFIAPI\r
FastStringsInitialize (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData,  OPTIONAL\r
  IN BOOLEAN                           State\r
  )\r
{\r
  CPU_REGISTER_TABLE_WRITE_FIELD (\r
    ProcessorNumber,\r
    Msr,\r
    MSR_IA32_MISC_ENABLE,\r
    MSR_IA32_MISC_ENABLE_REGISTER,\r
    Bits.FastStrings,\r
    (State) ? 1 : 0\r
    );\r
  return RETURN_SUCCESS;\r
}\r