From: "duntan" <dun.tan@intel.com>
To: devel@edk2.groups.io
Cc: Eric Dong <eric.dong@intel.com>, Ray Ni <ray.ni@intel.com>,
Rahul Kumar <rahul1.kumar@intel.com>,
Gerd Hoffmann <kraxel@redhat.com>
Subject: [Patch V2 5/8] UefiCpuPkg: Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h
Date: Wed, 12 Apr 2023 16:53:40 +0800 [thread overview]
Message-ID: <20230412085343.1077-6-dun.tan@intel.com> (raw)
In-Reply-To: <20230412085343.1077-1-dun.tan@intel.com>
Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h and remove
extern for mSmmShadowStackSize in c files to simplify code.
Signed-off-by: Dun Tan <dun.tan@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
---
UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c | 3 +--
UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 2 --
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 1 +
UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 2 --
UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c | 3 +--
5 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
index 6c48a53f67..636dc8d92f 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
@@ -1,7 +1,7 @@
/** @file
SMM CPU misc functions for Ia32 arch specific.
-Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2015 - 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -14,7 +14,6 @@ EFI_PHYSICAL_ADDRESS mGdtBuffer;
UINTN mGdtBufferSize;
extern BOOLEAN mCetSupported;
-extern UINTN mSmmShadowStackSize;
X86_ASSEMBLY_PATCH_LABEL mPatchCetPl0Ssp;
X86_ASSEMBLY_PATCH_LABEL mPatchCetInterruptSsp;
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
index baf827cf9d..1878252eac 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
@@ -29,8 +29,6 @@ MM_COMPLETION mSmmStartupThisApToken;
//
UINT32 *mPackageFirstThreadIndex = NULL;
-extern UINTN mSmmShadowStackSize;
-
/**
Performs an atomic compare exchange operation to get semaphore.
The compare exchange operation must be performed using
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index ba341cadc6..a155e09200 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -262,6 +262,7 @@ extern EFI_SMM_CPU_PROTOCOL mSmmCpu;
extern EFI_MM_MP_PROTOCOL mSmmMp;
extern BOOLEAN m5LevelPagingNeeded;
extern PAGING_MODE mPagingMode;
+extern UINTN mSmmShadowStackSize;
///
/// The mode of the CPU at the time an SMI occurs
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
index a25a96f68c..25ced50955 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
@@ -13,8 +13,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#define PAGE_TABLE_PAGES 8
#define ACC_MAX_BIT BIT3
-extern UINTN mSmmShadowStackSize;
-
LIST_ENTRY mPagePool = INITIALIZE_LIST_HEAD_VARIABLE (mPagePool);
BOOLEAN m1GPageTableSupport = FALSE;
BOOLEAN mCpuSmmRestrictedMemoryAccess;
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
index 00a284c369..c4f21e2155 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
@@ -1,7 +1,7 @@
/** @file
SMM CPU misc functions for x64 arch specific.
-Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2015 - 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -12,7 +12,6 @@ EFI_PHYSICAL_ADDRESS mGdtBuffer;
UINTN mGdtBufferSize;
extern BOOLEAN mCetSupported;
-extern UINTN mSmmShadowStackSize;
X86_ASSEMBLY_PATCH_LABEL mPatchCetPl0Ssp;
X86_ASSEMBLY_PATCH_LABEL mPatchCetInterruptSsp;
--
2.39.1.windows.1
next prev parent reply other threads:[~2023-04-12 8:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-12 8:53 [Patch V2 0/8] Use CpuPageTableLib to create and update smm page table duntan
2023-04-12 8:53 ` [Patch V2 1/8] OvmfPkg: Add CpuPageTableLib required by PiSmmCpuDxe duntan
2023-04-13 6:42 ` Gerd Hoffmann
2023-04-12 8:53 ` [Patch V2 2/8] UefiPayloadPkg: " duntan
2023-04-12 8:53 ` [Patch V2 3/8] UefiCpuPkg: Use CpuPageTableLib to convert SMM paging attribute duntan
2023-04-12 8:53 ` [Patch V2 4/8] UefiCpuPkg/PiSmmCpuDxeSmm: Avoid setting non-present range to RO/NX duntan
2023-04-12 8:53 ` duntan [this message]
2023-04-12 8:53 ` [Patch V2 6/8] UefiCpuPkg: Refinement to current smm page table generation code duntan
2023-04-12 8:53 ` [Patch V2 7/8] UefiCpuPkg: Refinement to code about updating smm page table duntan
2023-04-12 8:53 ` [Patch V2 8/8] UefiCpuPkg/PiSmmCpuDxeSmm: Remove unnecessary function duntan
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