From 8b1d14939053b63d80355465649c50f9f391a64a Mon Sep 17 00:00:00 2001 From: Star Zeng Date: Thu, 20 Jul 2017 14:57:12 +0800 Subject: [PATCH] UefiCpuPkg PiSmmCommunicationSmm: Deprecate SMM Communication ACPI Table Follow UEFI 2.7 spec to deprecate SMM Communication ACPI Table, PiSmmCommunicationSmm will not install SMM Communication ACPI Table anymore. Cc: Jiewen Yao Cc: Jeff Fan Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng Reviewed-by: Jiewen Yao --- .../PiSmmCommunicationSmm.c | 60 +------------------ .../PiSmmCommunicationSmm.inf | 29 ++------- .../PiSmmCommunicationSmm.uni | 14 ++--- .../PiSmmCommunicationSmmExtra.uni | 4 +- 4 files changed, 13 insertions(+), 94 deletions(-) diff --git a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.c b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.c index 077eacce88..2b395f38da 100644 --- a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.c +++ b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.c @@ -1,7 +1,7 @@ /** @file PiSmmCommunication SMM Driver. -Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.
+Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.
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 @@ -19,16 +19,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include #include #include -#include #include #include -#include #include -#include #include -#include #include -#include #include "PiSmmCommunicationPrivate.h" @@ -36,26 +31,6 @@ EFI_SMM_COMMUNICATION_CONTEXT mSmmCommunicationContext = { SMM_COMMUNICATION_SIGNATURE }; -EFI_SMM_COMMUNICATION_ACPI_TABLE mSmmCommunicationAcpiTable = { - { - { - EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE, - sizeof (EFI_SMM_COMMUNICATION_ACPI_TABLE), - 0x1, // Revision - 0x0, // Checksum - {0x0}, // OemId[6] - 0x0, // OemTableId - 0x0, // OemRevision - 0x0, // CreatorId - 0x0 // CreatorRevision - }, - {0x0}, // Identifier - OFFSET_OF (EFI_SMM_COMMUNICATION_ACPI_TABLE, SwSmiNumber) // DataOffset - }, - 0x0, // SwSmiNumber - 0x0 // BufferPtrAddress -}; - /** Set SMM communication context. **/ @@ -200,22 +175,8 @@ PiSmmCommunicationSmmEntryPoint ( EFI_SMM_SW_DISPATCH2_PROTOCOL *SmmSwDispatch2; EFI_SMM_SW_REGISTER_CONTEXT SmmSwDispatchContext; EFI_HANDLE DispatchHandle; - EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol; - UINTN TableKey; - UINT64 OemTableId; EFI_PHYSICAL_ADDRESS *BufferPtrAddress; - CopyMem ( - mSmmCommunicationAcpiTable.UefiAcpiDataTable.Header.OemId, - PcdGetPtr (PcdAcpiDefaultOemId), - sizeof (mSmmCommunicationAcpiTable.UefiAcpiDataTable.Header.OemId) - ); - OemTableId = PcdGet64 (PcdAcpiDefaultOemTableId); - CopyMem (&mSmmCommunicationAcpiTable.UefiAcpiDataTable.Header.OemTableId, &OemTableId, sizeof (UINT64)); - mSmmCommunicationAcpiTable.UefiAcpiDataTable.Header.OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision); - mSmmCommunicationAcpiTable.UefiAcpiDataTable.Header.CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId); - mSmmCommunicationAcpiTable.UefiAcpiDataTable.Header.CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision); - // // Register software SMI handler // @@ -237,32 +198,15 @@ PiSmmCommunicationSmmEntryPoint ( DEBUG ((EFI_D_INFO, "SmmCommunication SwSmi: %x\n", (UINTN)SmmSwDispatchContext.SwSmiInputValue)); - // - // Set ACPI table - // - Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTableProtocol); - ASSERT_EFI_ERROR (Status); - - mSmmCommunicationAcpiTable.SwSmiNumber = (UINT32)SmmSwDispatchContext.SwSmiInputValue; BufferPtrAddress = AllocateAcpiNvsMemoryBelow4G (sizeof(EFI_PHYSICAL_ADDRESS)); ASSERT (BufferPtrAddress != NULL); DEBUG ((EFI_D_INFO, "SmmCommunication BufferPtrAddress: 0x%016lx, BufferPtr: 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)BufferPtrAddress, *BufferPtrAddress)); - mSmmCommunicationAcpiTable.BufferPtrAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)BufferPtrAddress; - CopyMem (&mSmmCommunicationAcpiTable.UefiAcpiDataTable.Identifier, &gEfiSmmCommunicationProtocolGuid, sizeof(gEfiSmmCommunicationProtocolGuid)); - - Status = AcpiTableProtocol->InstallAcpiTable ( - AcpiTableProtocol, - &mSmmCommunicationAcpiTable, - sizeof(mSmmCommunicationAcpiTable), - &TableKey - ); - ASSERT_EFI_ERROR (Status); // // Save context // mSmmCommunicationContext.SwSmiNumber = (UINT32)SmmSwDispatchContext.SwSmiInputValue; - mSmmCommunicationContext.BufferPtrAddress = mSmmCommunicationAcpiTable.BufferPtrAddress; + mSmmCommunicationContext.BufferPtrAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)BufferPtrAddress; SetCommunicationContext (); return Status; diff --git a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.inf b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.inf index 9b03837cf3..67799e9436 100644 --- a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.inf +++ b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.inf @@ -1,12 +1,8 @@ ## @file -# PI SMM Communication SMM driver that installs the SMM Communication ACPI Table. +# PI SMM Communication SMM driver that saves SMM communication context +# for use by SMM Communication PEIM in the S3 boot mode. # -# This SMM driver installs the SMM Communication ACPI Table defined in the UEFI spec -# which provides a mechanism that can be used in the OS present environment by -# non-firmware agents for inter-mode communication with SMM agents. It also saves -# SMM communication context for use by SMM Communication PEIM in the S3 boot mode. -# -# Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.
+# Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.
# # This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License @@ -49,34 +45,17 @@ SmmServicesTableLib BaseLib BaseMemoryLib - HobLib DebugLib SmmMemLib - PcdLib - -[Guids] - gEfiAcpi20TableGuid ## SOMETIMES_CONSUMES ## SystemTable - gEfiAcpi10TableGuid ## SOMETIMES_CONSUMES ## SystemTable - gEfiAcpiTableGuid ## SOMETIMES_CONSUMES ## SystemTable [Ppis] gEfiPeiSmmCommunicationPpiGuid ## UNDEFINED # SMM Configuration Table [Protocols] gEfiSmmSwDispatch2ProtocolGuid ## CONSUMES - gEfiSmmCommunicationProtocolGuid ## UNDEFINED # SMM Communication ACPI Table GUID - gEfiAcpiTableProtocolGuid ## CONSUMES - -[Pcd] - gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemId ## CONSUMES - gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemTableId ## CONSUMES - gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemRevision ## CONSUMES - gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId ## CONSUMES - gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision ## CONSUMES [Depex] - gEfiSmmSwDispatch2ProtocolGuid AND - gEfiAcpiTableProtocolGuid + gEfiSmmSwDispatch2ProtocolGuid [UserExtensions.TianoCore."ExtraFiles"] PiSmmCommunicationSmmExtra.uni diff --git a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.uni b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.uni index 55df3905df..9995b4ec7d 100644 --- a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.uni +++ b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.uni @@ -1,12 +1,8 @@ // /** @file -// PI SMM Communication SMM driver that installs the SMM Communication ACPI Table. +// PI SMM Communication SMM driver that saves SMM communication context +// for use by SMM Communication PEIM in the S3 boot mode. // -// This SMM driver installs the SMM Communication ACPI Table defined in the UEFI spec -// which provides a mechanism that can be used in the OS present environment by -// non-firmware agents for inter-mode communication with SMM agents. It also saves -// SMM communication context for use by SMM Communication PEIM in the S3 boot mode. -// -// Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.
+// Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.
// // This program and the accompanying materials // are licensed and made available under the terms and conditions of the BSD License @@ -18,6 +14,6 @@ // // **/ -#string STR_MODULE_ABSTRACT #language en-US "PI SMM Communication SMM driver that installs the SMM Communication ACPI Table" +#string STR_MODULE_ABSTRACT #language en-US "PI SMM Communication SMM driver that saves SMM communication context" -#string STR_MODULE_DESCRIPTION #language en-US "This SMM driver installs the SMM Communication ACPI Table defined in the UEFI Specification, which provides a mechanism that can be used in the OS-present environment by non-firmware agents for inter-mode communication with SMM agents. It also saves an SMM communication context for use by SMM Communication PEIM in the S3 boot mode." +#string STR_MODULE_DESCRIPTION #language en-US "PI SMM Communication SMM driver that saves SMM communication context for use by SMM Communication PEIM in the S3 boot mode." diff --git a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmmExtra.uni b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmmExtra.uni index 34e7731fb5..bb7ce62dc5 100644 --- a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmmExtra.uni +++ b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmmExtra.uni @@ -1,7 +1,7 @@ // /** @file // PiSmmCommunicationSmm Localized Strings and Content // -// Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.
+// Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved.
// // This program and the accompanying materials // are licensed and made available under the terms and conditions of the BSD License @@ -15,4 +15,4 @@ #string STR_PROPERTIES_MODULE_NAME #language en-US -"SMM Communication ACPI Table DXE Driver" +"SMM Communication SMM Driver"