/** * Should software C1e be enabled * * @param[in] PlatformConfig Contains the runtime modifiable feature input data. * @param[in] StdHeader Config Handle for library, services. * * @retval TRUE SW C1e is supported. * @retval FALSE SW C1e not supported. * */ BOOLEAN STATIC IsSwC1eFeatureEnabled ( IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { BOOLEAN IsEnabled; AP_MAILBOXES ApMailboxes; SW_C1E_FAMILY_SERVICES *SwFamilyServices; ASSERT (PlatformConfig->C1eMode < MaxC1eMode); IsEnabled = FALSE; // Check whether software C1e is enabled only if hardware C1e is not supported or if the platform specifically // uses C1eModeSoftwareDeprecated. if ((PlatformConfig->C1eMode == C1eModeSoftwareDeprecated) || ((PlatformConfig->C1eMode == C1eModeHardwareSoftwareDeprecated) && (!IsFeatureEnabled (HardwareC1e, PlatformConfig, StdHeader)))) { ASSERT ((PlatformConfig->C1ePlatformData1 < 0x10000) && (PlatformConfig->C1ePlatformData1 != 0)); ASSERT (PlatformConfig->C1ePlatformData2 < 0x100); if ((PlatformConfig->C1ePlatformData1 != 0) && (PlatformConfig->C1ePlatformData1 < 0xFFFE) && (PlatformConfig->C1ePlatformData2 < 0xFF)) { if (!IsNonCoherentHt1 (StdHeader)) { if (GetNumberOfProcessors (StdHeader) == 1) { GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader); if (ApMailboxes.ApMailInfo.Fields.ModuleType == 0) { GetFeatureServicesOfCurrentCore (&SwC1eFamilyServiceTable, &SwFamilyServices, StdHeader); if (SwFamilyServices != NULL) { IsEnabled = SwFamilyServices->IsSwC1eSupported (SwFamilyServices, StdHeader); } } } } } } return IsEnabled; }
/** * Should message-based C1e be enabled * * @param[in] PlatformConfig Contains the runtime modifiable feature input data. * @param[in] StdHeader Config Handle for library, services. * * @retval TRUE Message-based C1e is supported. * @retval FALSE Message-based C1e cannot be enabled. * */ BOOLEAN STATIC IsMsgBasedC1eFeatureEnabled ( IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { BOOLEAN IsEnabled; UINT32 Socket; MSG_BASED_C1E_FAMILY_SERVICES *FamilyServices; ASSERT (PlatformConfig->C1eMode < MaxC1eMode); IsEnabled = FALSE; if ((PlatformConfig->C1eMode == C1eModeMsgBased) || (PlatformConfig->C1eMode == C1eModeAuto)) { ASSERT (PlatformConfig->C1ePlatformData < 0x10000); ASSERT (PlatformConfig->C1ePlatformData != 0); if ((PlatformConfig->C1ePlatformData != 0) && (PlatformConfig->C1ePlatformData < 0xFFFE)) { IsEnabled = TRUE; if (IsNonCoherentHt1 (StdHeader)) { IsEnabled = FALSE; } else { for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { if (IsProcessorPresent (Socket, StdHeader)) { GetFeatureServicesOfSocket (&MsgBasedC1eFamilyServiceTable, Socket, (const VOID **)&FamilyServices, StdHeader); if ((FamilyServices == NULL) || !FamilyServices->IsMsgBasedC1eSupported (FamilyServices, Socket, StdHeader)) { IsEnabled = FALSE; break; } } } } } } return IsEnabled; }