system76-edk2/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c

/** @file
  This library registers CPU features defined in Intel(R) 64 and IA-32
  Architectures Software Developer's Manual.

  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include "CpuCommonFeatures.h"

/**
  Register CPU features.

  @retval  RETURN_SUCCESS            Register successfully
**/
RETURN_STATUS
EFIAPI
CpuCommonFeaturesLibConstructor (
  VOID
  )
{
  RETURN_STATUS         Status;

  if (IsCpuFeatureSupported (CPU_FEATURE_AESNI)) {
    Status = RegisterCpuFeature (
               "AESNI",
               AesniGetConfigData,
               AesniSupport,
               AesniInitialize,
               CPU_FEATURE_AESNI,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_MWAIT)) {
    Status = RegisterCpuFeature (
               "MWAIT",
               NULL,
               MonitorMwaitSupport,
               MonitorMwaitInitialize,
               CPU_FEATURE_MWAIT,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_ACPI)) {
    Status = RegisterCpuFeature (
               "ACPI",
               NULL,
               ClockModulationSupport,
               ClockModulationInitialize,
               CPU_FEATURE_ACPI,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_EIST)) {
    Status = RegisterCpuFeature (
               "EIST",
               NULL,
               EistSupport,
               EistInitialize,
               CPU_FEATURE_EIST,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_XD)) {
    Status = RegisterCpuFeature (
               "Execute Disable",
               NULL,
               ExecuteDisableSupport,
               ExecuteDisableInitialize,
               CPU_FEATURE_XD,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_FASTSTRINGS)) {
    Status = RegisterCpuFeature (
               "FastStrings",
               NULL,
               NULL,
               FastStringsInitialize,
               CPU_FEATURE_FASTSTRINGS,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER)) {
    Status = RegisterCpuFeature (
               "Lock Feature Control Register",
               FeatureControlGetConfigData,
               LockFeatureControlRegisterSupport,
               LockFeatureControlRegisterInitialize,
               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_SENTER)) {
    Status = RegisterCpuFeature (
               "SENTER",
               FeatureControlGetConfigData,
               VmxSupport,
               SenterInitialize,
               CPU_FEATURE_SENTER,
               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_BEFORE,
               CPU_FEATURE_SMX | CPU_FEATURE_AFTER,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_SMX)) {
    Status = RegisterCpuFeature (
               "SMX",
               FeatureControlGetConfigData,
               SmxSupport,
               VmxInsideSmxInitialize,
               CPU_FEATURE_SMX,
               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_BEFORE,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_VMX)) {
    Status = RegisterCpuFeature (
               "VMX",
               FeatureControlGetConfigData,
               SmxSupport,
               VmxOutsideSmxInitialize,
               CPU_FEATURE_VMX,
               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_BEFORE,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_LIMIT_CPUID_MAX_VAL)) {
    Status = RegisterCpuFeature (
               "Limit CpuId Maximum Value",
               NULL,
               LimitCpuidMaxvalSupport,
               LimitCpuidMaxvalInitialize,
               CPU_FEATURE_LIMIT_CPUID_MAX_VAL,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_MCE)) {
    Status = RegisterCpuFeature (
               "Machine Check Enable",
               NULL,
               MceSupport,
               MceInitialize,
               CPU_FEATURE_MCE,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_MCA)) {
    Status = RegisterCpuFeature (
               "Machine Check Architect",
               NULL,
               McaSupport,
               McaInitialize,
               CPU_FEATURE_MCA,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_MCG_CTL)) {
    Status = RegisterCpuFeature (
               "MCG_CTL",
               NULL,
               McgCtlSupport,
               McgCtlInitialize,
               CPU_FEATURE_MCG_CTL,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_PENDING_BREAK)) {
    Status = RegisterCpuFeature (
               "Pending Break",
               NULL,
               PendingBreakSupport,
               PendingBreakInitialize,
               CPU_FEATURE_PENDING_BREAK,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_C1E)) {
    Status = RegisterCpuFeature (
               "C1E",
               NULL,
               C1eSupport,
               C1eInitialize,
               CPU_FEATURE_C1E,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }
  if (IsCpuFeatureSupported (CPU_FEATURE_X2APIC)) {
    Status = RegisterCpuFeature (
               "X2Apic",
               X2ApicGetConfigData,
               X2ApicSupport,
               X2ApicInitialize,
               CPU_FEATURE_X2APIC,
               CPU_FEATURE_END
               );
    ASSERT_EFI_ERROR (Status);
  }

  return RETURN_SUCCESS;
}