From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by mx.groups.io with SMTP id smtpd.web09.1047.1660095964956259574 for ; Tue, 09 Aug 2022 18:46:05 -0700 Authentication-Results: mx.groups.io; dkim=fail reason="unable to parse pub key" header.i=@intel.com header.s=intel header.b=cq7Z5EQD; spf=pass (domain: intel.com, ip: 134.134.136.126, mailfrom: dun.tan@intel.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660095965; x=1691631965; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ub21CVGWqK1CyvDgr0RReAmqSWVT1r8sfnwjNZjy58k=; b=cq7Z5EQDqc6LDEno6die2aN1anDMZBxBV4gp4MDwixCUQjDd+BD5mgOP 93gOJt+RzXVYfsuMxL0ccCts6YEQ1kuYE9RfA8MJteBs16mUJljqBgrnO h2NiNnUwS/QRwWeajKAC2C4b56Zc5qRN49xnnQrdlr4OtiUCPnfMyA1Yk 8NryVRslrTYPrWiKnCenfkfBHDQ68A6itJlGnvDS0Jd0IGxzGHXTebhuO uXTs4gFNCDMf5VZxoQyd6A/S2SuwvWiXyxfEoSvWa6tZsCwIGUVS56hnn BoHlfi7ukVHZiuRZqVvOn9NO6xXnOZVdgx5fqocgXZeCMdCqhR4p8ygBV Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10434"; a="274024945" X-IronPort-AV: E=Sophos;i="5.93,225,1654585200"; d="scan'208";a="274024945" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2022 18:46:03 -0700 X-IronPort-AV: E=Sophos;i="5.93,225,1654585200"; d="scan'208";a="664678197" Received: from duntan-mobl.ccr.corp.intel.com ([10.239.157.47]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2022 18:46:02 -0700 From: "duntan" To: devel@edk2.groups.io Cc: Eric Dong , Ray Ni , Rahul Kumar Subject: [PATCH 2/2] UefiCpuPkg/PiSmmCpuDxeSmm: Remove mInternalCr3 in PiSmmCpuDxeSmm Date: Wed, 10 Aug 2022 09:45:32 +0800 Message-Id: <20220810014532.117-3-dun.tan@intel.com> X-Mailer: git-send-email 2.31.1.windows.1 In-Reply-To: <20220810014532.117-1-dun.tan@intel.com> References: <20220810014532.117-1-dun.tan@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Remove mInternalCr3 in PiSmmCpuDxe pagetable related code. Currently, mInternalCr3 is used to pass address of pagetable which is different from Cr3 register. Now remove it and pass the page table base address from the root function to simplify the code logic. Change-Id: I8f58158b94a01cf829f1b4fb2b8c763dcdda0662 Signed-off-by: Dun Tan Cc: Eric Dong Cc: Ray Ni Cc: Rahul Kumar Signed-off-by: Dun Tan --- UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c | 30 +++++------------------------- UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 26 +++++++++----------------- UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------------------------------------- UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 73 +++++++++++++++++++++++-------------------------------------------------- 4 files changed, 94 insertions(+), 142 deletions(-) diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c index 8ec8790c05..97058a2810 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c @@ -28,26 +28,6 @@ EnableCet ( VOID ); -/** - Get page table base address and the depth of the page table. - - @param[out] Base Page table base address. - @param[out] FiveLevels TRUE means 5 level paging. FALSE means 4 level paging. -**/ -VOID -GetPageTable ( - OUT UINTN *Base, - OUT BOOLEAN *FiveLevels OPTIONAL - ) -{ - *Base = ((mInternalCr3 == 0) ? - (AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64) : - mInternalCr3); - if (FiveLevels != NULL) { - *FiveLevels = FALSE; - } -} - /** Create PageTable for SMM use. @@ -297,10 +277,10 @@ SetPageTableAttributes ( DEBUG ((DEBUG_INFO, "Start...\n")); PageTableSplitted = FALSE; - GetPageTable (&PageTableBase, NULL); - L3PageTable = (UINT64 *)PageTableBase; + PageTableBase = AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64; + L3PageTable = (UINT64 *)PageTableBase; - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)PageTableBase, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, FALSE, (EFI_PHYSICAL_ADDRESS)PageTableBase, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); for (Index3 = 0; Index3 < 4; Index3++) { @@ -309,7 +289,7 @@ SetPageTableAttributes ( continue; } - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)(UINTN)L2PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, FALSE, (EFI_PHYSICAL_ADDRESS)(UINTN)L2PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); for (Index2 = 0; Index2 < SIZE_4KB/sizeof (UINT64); Index2++) { @@ -323,7 +303,7 @@ SetPageTableAttributes ( continue; } - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)(UINTN)L1PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, FALSE, (EFI_PHYSICAL_ADDRESS)(UINTN)L1PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); } } diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h index dfeceec2aa..ef8bf5947d 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h @@ -264,7 +264,7 @@ extern UINTN mMaxNumberOfCpus; extern UINTN mNumberOfCpus; extern EFI_SMM_CPU_PROTOCOL mSmmCpu; extern EFI_MM_MP_PROTOCOL mSmmMp; -extern UINTN mInternalCr3; +extern BOOLEAN m5LevelPagingNeeded; /// /// The mode of the CPU at the time an SMI occurs @@ -682,7 +682,6 @@ SmmBlockingStartupThisAp ( **/ EFI_STATUS -EFIAPI SmmSetMemoryAttributes ( IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, @@ -712,7 +711,6 @@ SmmSetMemoryAttributes ( **/ EFI_STATUS -EFIAPI SmmClearMemoryAttributes ( IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, @@ -957,22 +955,12 @@ SetPageTableAttributes ( VOID ); -/** - Get page table base address and the depth of the page table. - - @param[out] Base Page table base address. - @param[out] FiveLevels TRUE means 5 level paging. FALSE means 4 level paging. -**/ -VOID -GetPageTable ( - OUT UINTN *Base, - OUT BOOLEAN *FiveLevels OPTIONAL - ); - /** This function sets the attributes for the memory region specified by BaseAddress and Length from their current attributes to the attributes specified by Attributes. + @param[in] PageTableBase The page table base. + @param[in] EnablePML5Paging If PML5 paging is enabled. @param[in] BaseAddress The physical address that is the start address of a memory region. @param[in] Length The size in bytes of the memory region. @param[in] Attributes The bit mask of attributes to set for the memory region. @@ -993,8 +981,9 @@ GetPageTable ( **/ EFI_STATUS -EFIAPI SmmSetMemoryAttributesEx ( + IN UINTN PageTableBase, + IN BOOLEAN EnablePML5Paging, IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes, @@ -1005,6 +994,8 @@ SmmSetMemoryAttributesEx ( This function clears the attributes for the memory region specified by BaseAddress and Length from their current attributes to the attributes specified by Attributes. + @param[in] PageTableBase The page table base. + @param[in] EnablePML5Paging If PML5 paging is enabled. @param[in] BaseAddress The physical address that is the start address of a memory region. @param[in] Length The size in bytes of the memory region. @param[in] Attributes The bit mask of attributes to clear for the memory region. @@ -1025,8 +1016,9 @@ SmmSetMemoryAttributesEx ( **/ EFI_STATUS -EFIAPI SmmClearMemoryAttributesEx ( + IN UINTN PageTableBase, + IN BOOLEAN EnablePML5Paging, IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes, diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c index b369c0c435..ce513c476f 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c @@ -32,24 +32,8 @@ PAGE_ATTRIBUTE_TABLE mPageAttributeTable[] = { { Page1G, SIZE_1GB, PAGING_1G_ADDRESS_MASK_64 }, }; -UINTN mInternalCr3; UINTN IsShadowStack = FALSE; -/** - Set the internal page table base address. - If it is non zero, further MemoryAttribute modification will be on this page table. - If it is zero, further MemoryAttribute modification will be on real page table. - - @param Cr3 page table base. -**/ -VOID -SetPageTableBase ( - IN UINTN Cr3 - ) -{ - mInternalCr3 = Cr3; -} - /** Return length according to page attributes. @@ -99,31 +83,31 @@ PageAttributeToMask ( /** Return page table entry to match the address. - @param[in] Address The address to be checked. - @param[out] PageAttributes The page attribute of the page entry. + @param[in] PageTableBase The page table base. + @param[in] Enable5LevelPaging If PML5 paging is enabled. + @param[in] Address The address to be checked. + @param[out] PageAttributes The page attribute of the page entry. @return The page entry. **/ VOID * GetPageTableEntry ( + IN UINTN PageTableBase, + IN BOOLEAN Enable5LevelPaging, IN PHYSICAL_ADDRESS Address, OUT PAGE_ATTRIBUTE *PageAttribute ) { - UINTN Index1; - UINTN Index2; - UINTN Index3; - UINTN Index4; - UINTN Index5; - UINT64 *L1PageTable; - UINT64 *L2PageTable; - UINT64 *L3PageTable; - UINT64 *L4PageTable; - UINT64 *L5PageTable; - UINTN PageTableBase; - BOOLEAN Enable5LevelPaging; - - GetPageTable (&PageTableBase, &Enable5LevelPaging); + UINTN Index1; + UINTN Index2; + UINTN Index3; + UINTN Index4; + UINTN Index5; + UINT64 *L1PageTable; + UINT64 *L2PageTable; + UINT64 *L3PageTable; + UINT64 *L4PageTable; + UINT64 *L5PageTable; Index5 = ((UINTN)RShiftU64 (Address, 48)) & PAGING_PAE_INDEX_MASK; Index4 = ((UINTN)RShiftU64 (Address, 39)) & PAGING_PAE_INDEX_MASK; @@ -399,6 +383,8 @@ SplitPage ( Caller should make sure BaseAddress and Length is at page boundary. + @param[in] PageTableBase The page table base. + @param[in] EnablePML5Paging If PML5 paging is enabled. @param[in] BaseAddress The physical address that is the start address of a memory region. @param[in] Length The size in bytes of the memory region. @param[in] Attributes The bit mask of attributes to modify for the memory region. @@ -420,8 +406,9 @@ SplitPage ( range specified by BaseAddress and Length. **/ RETURN_STATUS -EFIAPI ConvertMemoryPageAttributes ( + IN UINTN PageTableBase, + IN BOOLEAN EnablePML5Paging, IN PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes, @@ -475,7 +462,7 @@ ConvertMemoryPageAttributes ( // Below logic is to check 2M/4K page to make sure we do not waste memory. // while (Length != 0) { - PageEntry = GetPageTableEntry (BaseAddress, &PageAttribute); + PageEntry = GetPageTableEntry (PageTableBase, EnablePML5Paging, BaseAddress, &PageAttribute); if (PageEntry == NULL) { return RETURN_UNSUPPORTED; } @@ -558,6 +545,8 @@ FlushTlbForAll ( This function sets the attributes for the memory region specified by BaseAddress and Length from their current attributes to the attributes specified by Attributes. + @param[in] PageTableBase The page table base. + @param[in] EnablePML5Paging If PML5 paging is enabled. @param[in] BaseAddress The physical address that is the start address of a memory region. @param[in] Length The size in bytes of the memory region. @param[in] Attributes The bit mask of attributes to set for the memory region. @@ -578,8 +567,9 @@ FlushTlbForAll ( **/ EFI_STATUS -EFIAPI SmmSetMemoryAttributesEx ( + IN UINTN PageTableBase, + IN BOOLEAN EnablePML5Paging, IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes, @@ -589,7 +579,7 @@ SmmSetMemoryAttributesEx ( EFI_STATUS Status; BOOLEAN IsModified; - Status = ConvertMemoryPageAttributes (BaseAddress, Length, Attributes, TRUE, IsSplitted, &IsModified); + Status = ConvertMemoryPageAttributes (PageTableBase, EnablePML5Paging, BaseAddress, Length, Attributes, TRUE, IsSplitted, &IsModified); if (!EFI_ERROR (Status)) { if (IsModified) { // @@ -606,6 +596,8 @@ SmmSetMemoryAttributesEx ( This function clears the attributes for the memory region specified by BaseAddress and Length from their current attributes to the attributes specified by Attributes. + @param[in] PageTableBase The page table base. + @param[in] EnablePML5Paging If PML5 paging is enabled. @param[in] BaseAddress The physical address that is the start address of a memory region. @param[in] Length The size in bytes of the memory region. @param[in] Attributes The bit mask of attributes to clear for the memory region. @@ -626,8 +618,9 @@ SmmSetMemoryAttributesEx ( **/ EFI_STATUS -EFIAPI SmmClearMemoryAttributesEx ( + IN UINTN PageTableBase, + IN BOOLEAN EnablePML5Paging, IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes, @@ -637,7 +630,7 @@ SmmClearMemoryAttributesEx ( EFI_STATUS Status; BOOLEAN IsModified; - Status = ConvertMemoryPageAttributes (BaseAddress, Length, Attributes, FALSE, IsSplitted, &IsModified); + Status = ConvertMemoryPageAttributes (PageTableBase, EnablePML5Paging, BaseAddress, Length, Attributes, FALSE, IsSplitted, &IsModified); if (!EFI_ERROR (Status)) { if (IsModified) { // @@ -673,14 +666,20 @@ SmmClearMemoryAttributesEx ( **/ EFI_STATUS -EFIAPI SmmSetMemoryAttributes ( IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes ) { - return SmmSetMemoryAttributesEx (BaseAddress, Length, Attributes, NULL); + IA32_CR4 Cr4; + UINTN PageTableBase; + BOOLEAN Enable5LevelPaging; + + PageTableBase = AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64; + Cr4.UintN = AsmReadCr4 (); + Enable5LevelPaging = (BOOLEAN)(Cr4.Bits.LA57 == 1); + return SmmSetMemoryAttributesEx (PageTableBase, Enable5LevelPaging, BaseAddress, Length, Attributes, NULL); } /** @@ -706,14 +705,20 @@ SmmSetMemoryAttributes ( **/ EFI_STATUS -EFIAPI SmmClearMemoryAttributes ( IN EFI_PHYSICAL_ADDRESS BaseAddress, IN UINT64 Length, IN UINT64 Attributes ) { - return SmmClearMemoryAttributesEx (BaseAddress, Length, Attributes, NULL); + IA32_CR4 Cr4; + UINTN PageTableBase; + BOOLEAN Enable5LevelPaging; + + PageTableBase = AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64; + Cr4.UintN = AsmReadCr4 (); + Enable5LevelPaging = (BOOLEAN)(Cr4.Bits.LA57 == 1); + return SmmClearMemoryAttributesEx (PageTableBase, Enable5LevelPaging, BaseAddress, Length, Attributes, NULL); } /** @@ -736,7 +741,7 @@ SetShadowStack ( SetPageTableBase (Cr3); IsShadowStack = TRUE; - Status = SmmSetMemoryAttributes (BaseAddress, Length, EFI_MEMORY_RO); + Status = SmmSetMemoryAttributesEx (Cr3, m5LevelPagingNeeded, BaseAddress, Length, EFI_MEMORY_RO, NULL); SetPageTableBase (0); IsShadowStack = FALSE; @@ -762,12 +767,7 @@ SetNotPresentPage ( { EFI_STATUS Status; - SetPageTableBase (Cr3); - - Status = SmmSetMemoryAttributes (BaseAddress, Length, EFI_MEMORY_RP); - - SetPageTableBase (0); - + Status = SmmSetMemoryAttributesEx (Cr3, m5LevelPagingNeeded, BaseAddress, Length, EFI_MEMORY_RP, NULL); return Status; } @@ -1560,6 +1560,9 @@ EdkiiSmmGetMemoryAttributes ( UINT64 MemAttr; PAGE_ATTRIBUTE PageAttr; INT64 Size; + UINTN PageTableBase; + BOOLEAN EnablePML5Paging; + IA32_CR4 Cr4; if ((Length < SIZE_4KB) || (Attributes == NULL)) { return EFI_INVALID_PARAMETER; @@ -1568,8 +1571,12 @@ EdkiiSmmGetMemoryAttributes ( Size = (INT64)Length; MemAttr = (UINT64)-1; + PageTableBase = AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64; + Cr4.UintN = AsmReadCr4 (); + EnablePML5Paging = (BOOLEAN)(Cr4.Bits.LA57 == 1); + do { - PageEntry = GetPageTableEntry (BaseAddress, &PageAttr); + PageEntry = GetPageTableEntry (PageTableBase, EnablePML5Paging, BaseAddress, &PageAttr); if ((PageEntry == NULL) || (PageAttr == PageNone)) { return EFI_UNSUPPORTED; } diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c index 538394f239..6e920b32af 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c @@ -113,36 +113,6 @@ Is5LevelPagingNeeded ( } } -/** - Get page table base address and the depth of the page table. - - @param[out] Base Page table base address. - @param[out] FiveLevels TRUE means 5 level paging. FALSE means 4 level paging. -**/ -VOID -GetPageTable ( - OUT UINTN *Base, - OUT BOOLEAN *FiveLevels OPTIONAL - ) -{ - IA32_CR4 Cr4; - - if (mInternalCr3 == 0) { - *Base = AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64; - if (FiveLevels != NULL) { - Cr4.UintN = AsmReadCr4 (); - *FiveLevels = (BOOLEAN)(Cr4.Bits.LA57 == 1); - } - - return; - } - - *Base = mInternalCr3; - if (FiveLevels != NULL) { - *FiveLevels = m5LevelPagingNeeded; - } -} - /** Set sub-entries number in entry. @@ -1195,20 +1165,21 @@ SetPageTableAttributes ( VOID ) { - UINTN Index2; - UINTN Index3; - UINTN Index4; - UINTN Index5; - UINT64 *L1PageTable; - UINT64 *L2PageTable; - UINT64 *L3PageTable; - UINT64 *L4PageTable; - UINT64 *L5PageTable; - UINTN PageTableBase; - BOOLEAN IsSplitted; - BOOLEAN PageTableSplitted; - BOOLEAN CetEnabled; - BOOLEAN Enable5LevelPaging; + UINTN Index2; + UINTN Index3; + UINTN Index4; + UINTN Index5; + UINT64 *L1PageTable; + UINT64 *L2PageTable; + UINT64 *L3PageTable; + UINT64 *L4PageTable; + UINT64 *L5PageTable; + UINTN PageTableBase; + BOOLEAN IsSplitted; + BOOLEAN PageTableSplitted; + BOOLEAN CetEnabled; + BOOLEAN Enable5LevelPaging; + IA32_CR4 Cr4; // // Don't mark page table memory as read-only if @@ -1258,11 +1229,13 @@ SetPageTableAttributes ( PageTableSplitted = FALSE; L5PageTable = NULL; - GetPageTable (&PageTableBase, &Enable5LevelPaging); + PageTableBase = AsmReadCr3 () & PAGING_4K_ADDRESS_MASK_64; + Cr4.UintN = AsmReadCr4 (); + Enable5LevelPaging = (BOOLEAN)(Cr4.Bits.LA57 == 1); if (Enable5LevelPaging) { L5PageTable = (UINT64 *)PageTableBase; - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)PageTableBase, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, Enable5LevelPaging, (EFI_PHYSICAL_ADDRESS)PageTableBase, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); } @@ -1276,7 +1249,7 @@ SetPageTableAttributes ( L4PageTable = (UINT64 *)PageTableBase; } - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)(UINTN)L4PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, Enable5LevelPaging, (EFI_PHYSICAL_ADDRESS)(UINTN)L4PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); for (Index4 = 0; Index4 < SIZE_4KB/sizeof (UINT64); Index4++) { @@ -1285,7 +1258,7 @@ SetPageTableAttributes ( continue; } - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)(UINTN)L3PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, Enable5LevelPaging, (EFI_PHYSICAL_ADDRESS)(UINTN)L3PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); for (Index3 = 0; Index3 < SIZE_4KB/sizeof (UINT64); Index3++) { @@ -1299,7 +1272,7 @@ SetPageTableAttributes ( continue; } - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)(UINTN)L2PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, Enable5LevelPaging, (EFI_PHYSICAL_ADDRESS)(UINTN)L2PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); for (Index2 = 0; Index2 < SIZE_4KB/sizeof (UINT64); Index2++) { @@ -1313,7 +1286,7 @@ SetPageTableAttributes ( continue; } - SmmSetMemoryAttributesEx ((EFI_PHYSICAL_ADDRESS)(UINTN)L1PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); + SmmSetMemoryAttributesEx (PageTableBase, Enable5LevelPaging, (EFI_PHYSICAL_ADDRESS)(UINTN)L1PageTable, SIZE_4KB, EFI_MEMORY_RO, &IsSplitted); PageTableSplitted = (PageTableSplitted || IsSplitted); } } -- 2.31.1.windows.1