From 4c214f8229ef98bbe0b0ecad8d5457ca26ec1366 Mon Sep 17 00:00:00 2001 From: Star Zeng Date: Fri, 8 Jun 2018 16:41:07 +0800 Subject: [PATCH] UefiCpuPkg PiSmmCpuDxeSmm: Use new EfiLocateFirstAcpiTable() https://bugzilla.tianocore.org/show_bug.cgi?id=967 Request to add a library function for GetAcpiTable() in order to get ACPI table using signature as input. After evaluation, we found there are many duplicated code to find ACPI table by signature in different modules. This patch updates PiSmmCpuDxeSmm to use new EfiLocateFirstAcpiTable() and remove the duplicated code. Cc: Younas khan Cc: Michael D Kinney Cc: Liming Gao Cc: Jiewen Yao Cc: Ruiyu Ni Cc: Eric Dong Cc: Laszlo Ersek Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Star Zeng Reviewed-by: Eric Dong Reviewed-by: Laszlo Ersek --- UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf | 4 +- UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c | 84 +------------------ .../PiSmmCpuDxeSmm/SmmProfileInternal.h | 3 +- 3 files changed, 6 insertions(+), 85 deletions(-) diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf index 95a4511225..666f851faf 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf @@ -4,7 +4,7 @@ # This SMM driver performs SMM initialization, deploy SMM Entry Vector, # provides CPU specific services in SMM. # -# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.
+# Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
# Copyright (c) 2017, AMD Incorporated. All rights reserved.
# # This program and the accompanying materials @@ -112,8 +112,6 @@ [Guids] gEfiAcpiVariableGuid ## SOMETIMES_CONSUMES ## HOB # it is used for S3 boot. - gEfiAcpi20TableGuid ## SOMETIMES_CONSUMES ## SystemTable - gEfiAcpi10TableGuid ## SOMETIMES_CONSUMES ## SystemTable gEdkiiPiSmmMemoryAttributesTableGuid ## CONSUMES ## SystemTable gEfiMemoryAttributesTableGuid ## CONSUMES ## SystemTable diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c index a743cf64f9..91b8e7ddb9 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c @@ -1,7 +1,7 @@ /** @file Enable SMM profile. -Copyright (c) 2012 - 2017, Intel Corporation. All rights reserved.
+Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.
Copyright (c) 2017, AMD Incorporated. All rights reserved.
This program and the accompanying materials @@ -725,84 +725,6 @@ InitPaging ( return ; } -/** - To find FADT in ACPI tables. - - @param AcpiTableGuid The GUID used to find ACPI table in UEFI ConfigurationTable. - - @return FADT table pointer. -**/ -EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE * -FindAcpiFadtTableByAcpiGuid ( - IN EFI_GUID *AcpiTableGuid - ) -{ - EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp; - EFI_ACPI_DESCRIPTION_HEADER *Rsdt; - EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt; - UINTN Index; - UINT32 Data32; - Rsdp = NULL; - Rsdt = NULL; - Fadt = NULL; - // - // found ACPI table RSD_PTR from system table - // - for (Index = 0; Index < gST->NumberOfTableEntries; Index++) { - if (CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), AcpiTableGuid)) { - // - // A match was found. - // - Rsdp = gST->ConfigurationTable[Index].VendorTable; - break; - } - } - - if (Rsdp == NULL) { - return NULL; - } - - Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) Rsdp->RsdtAddress; - if (Rsdt == NULL || Rsdt->Signature != EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) { - return NULL; - } - - for (Index = sizeof (EFI_ACPI_DESCRIPTION_HEADER); Index < Rsdt->Length; Index = Index + sizeof (UINT32)) { - - Data32 = *(UINT32 *) ((UINT8 *) Rsdt + Index); - Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) (UINT32 *) (UINTN) Data32; - if (Fadt->Header.Signature == EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) { - break; - } - } - - if (Fadt == NULL || Fadt->Header.Signature != EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) { - return NULL; - } - - return Fadt; -} - -/** - To find FADT in ACPI tables. - - @return FADT table pointer. -**/ -EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE * -FindAcpiFadtTable ( - VOID - ) -{ - EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt; - - Fadt = FindAcpiFadtTableByAcpiGuid (&gEfiAcpi20TableGuid); - if (Fadt != NULL) { - return Fadt; - } - - return FindAcpiFadtTableByAcpiGuid (&gEfiAcpi10TableGuid); -} - /** To get system port address of the SMI Command Port in FADT table. @@ -814,7 +736,9 @@ GetSmiCommandPort ( { EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt; - Fadt = FindAcpiFadtTable (); + Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) EfiLocateFirstAcpiTable ( + EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE + ); ASSERT (Fadt != NULL); mSmiCommandPort = Fadt->SmiCmd; diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h index 18a7fe3b07..ee0307e263 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h @@ -1,7 +1,7 @@ /** @file SMM profile internal header file. -Copyright (c) 2012 - 2017, Intel Corporation. All rights reserved.
+Copyright (c) 2012 - 2018, 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 @@ -15,7 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #ifndef _SMM_PROFILE_INTERNAL_H_ #define _SMM_PROFILE_INTERNAL_H_ -#include #include #include #include -- 2.39.2