diff --git a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c index 4cf676fb3e..078ae2d72d 100644 --- a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c +++ b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c @@ -4,7 +4,7 @@ This module will execute the boot script saved during last boot and after that, control is passed to OS waking up handler. - Copyright (c) 2006 - 2023, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2024, Intel Corporation. All rights reserved.
Copyright (c) 2017, AMD Incorporated. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -938,6 +939,20 @@ S3ResumeExecuteBootScript ( CpuDeadLoop (); } +/** + Sync up the MTRR values for all processors. + + @param[in] MtrrTable Address of MTRR setting. +**/ +VOID +EFIAPI +LoadMtrrData ( + IN VOID *MtrrTable + ) +{ + MtrrSetAllMtrrs (MtrrTable); +} + /** Restores the platform to its preboot configuration for an S3 resume and jumps to the OS waking vector. @@ -990,6 +1005,7 @@ S3RestoreConfig2 ( BOOLEAN InterruptStatus; IA32_CR0 Cr0; EDKII_PEI_MP_SERVICES2_PPI *MpService2Ppi; + MTRR_SETTINGS MtrrTable; TempAcpiS3Context = 0; TempEfiBootScriptExecutorVariable = 0; @@ -1082,6 +1098,39 @@ S3RestoreConfig2 ( Status = SmmAccess->Open ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index); } + // + // Get MP Services2 Ppi to pass it to Smm S3. + // + Status = PeiServicesLocatePpi ( + &gEdkiiPeiMpServices2PpiGuid, + 0, + NULL, + (VOID **)&MpService2Ppi + ); + ASSERT_EFI_ERROR (Status); + + // + // Restore MTRR setting + // + VarSize = sizeof (MTRR_SETTINGS); + Status = RestoreLockBox ( + &gEdkiiS3MtrrSettingGuid, + &MtrrTable, + &VarSize + ); + ASSERT_EFI_ERROR (Status); + + // + // Sync up the MTRR values for all processors. + // + Status = MpService2Ppi->StartupAllCPUs ( + MpService2Ppi, + (EFI_AP_PROCEDURE)LoadMtrrData, + 0, + (VOID *)&MtrrTable + ); + ASSERT_EFI_ERROR (Status); + SmramDescriptor = (EFI_SMRAM_DESCRIPTOR *)GET_GUID_HOB_DATA (GuidHob); SmmS3ResumeState = (SMM_S3_RESUME_STATE *)(UINTN)SmramDescriptor->CpuStart; diff --git a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf index 9c9b6f3db3..54de8bc91f 100644 --- a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf +++ b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf @@ -5,7 +5,7 @@ # This module will excute the boot script saved during last boot and after that, # control is passed to OS waking up handler. # -# Copyright (c) 2010 - 2023, Intel Corporation. All rights reserved.
+# Copyright (c) 2010 - 2024, Intel Corporation. All rights reserved.
# Copyright (c) 2017, AMD Incorporated. All rights reserved.
# # SPDX-License-Identifier: BSD-2-Clause-Patent @@ -67,6 +67,7 @@ LocalApicLib ReportStatusCodeLib LockBoxLib + MtrrLib [Guids] gEfiBootScriptExecutorVariableGuid ## SOMETIMES_CONSUMES ## UNDEFINED # LockBox @@ -79,6 +80,7 @@ ## SOMETIMES_PRODUCES ## UNDEFINED # Install PPI ## SOMETIMES_CONSUMES ## UNDEFINED # Used to do smm communication gEdkiiS3SmmInitDoneGuid + gEdkiiS3MtrrSettingGuid [Ppis] gEfiPeiS3Resume2PpiGuid ## PRODUCES