Hi Hao Wu, Do you have any update on this patch? Thanks, Richard

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3394 Using new API GetMaxPlatformAddressBits, MtrrLib Unit Test needs to provide the value of MSR MSR_IA32_TME_CAPABILITY. Cc: Eric Dong <eric.dong@

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3394 With new API GetMaxPlatformAddressBits, the API MtrrLibInitializeMtrrMask and InitializeMtrrMask can be replaced. Cc: Eric Dong <eric.dong@...>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3394 The function MtrrLibInitializeMtrrMask is a private function in MtrrLib.c from UefiCpuPkg, and it can be replace with new API GetMaxPlatformAdd

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3394 Add new API GetMaxPlatformAddressBits to get the max platform address bits. Max physical address bits can be get from CPUID. When TME-MK featur

Reminder: TianoCore Community Meeting - APAC/NAMO When: Thursday, June 8, 2023 7:30pm to 8:30pm (UTC-07:00) America/Los Angeles Where: https://teams.microsoft.com/l/meetup-join/19%3ameeting_Y2M1NDE3OD

Remove unnecessary function SetNotPresentPage(). We can directly use ConvertMemoryPageAttributes to set a range to non-present. Signed-off-by: Dun Tan <dun.tan@...> Cc: Eric Dong <eric.dong@...> Revie

This commit is code refinement to current smm runtime InitPaging() page table update code. In InitPaging(), if PcdCpuSmmProfileEnable is TRUE, use ConvertMemoryPageAttributes() API to map the range in

Sort mProtectionMemRange in InitProtectedMemRange() when ReadyToLock. Signed-off-by: Dun Tan <dun.tan@...> Cc: Eric Dong <eric.dong@...> Cc: Ray Ni <ray.ni@...> Cc: Rahul Kumar <rahul1.kumar@...> Cc:

Sort mSmmCpuSmramRanges after get the SMRAM info in FindSmramInfo() function. Signed-off-by: Dun Tan <dun.tan@...> Cc: Eric Dong <eric.dong@...> Cc: Ray Ni <ray.ni@...> Cc: Rahul Kumar <rahul1.kumar@.

Use GenSmmPageTable() to create both IA32 and X64 Smm S3 page table. Signed-off-by: Dun Tan <dun.tan@...> Cc: Eric Dong <eric.dong@...> Reviewed-by: Ray Ni <ray.ni@...> Cc: Rahul Kumar <rahul1.kumar@.

This commit is code refinement to current smm pagetable generation code. Add a new GenSmmPageTable() API to create smm page table based on the PageTableMap() API in CpuPageTableLib. Caller only needs

Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h and remove extern for mSmmShadowStackSize in c files to simplify code. Signed-off-by: Dun Tan <dun.tan@...> Cc: Eric Dong <eric.dong@...> Cc: Ray Ni <ray

Clear CR0.WP before modify smm page table. Currently, there is an assumption that smm pagetable is always RW before ReadyToLock. However, when AMD SEV is enabled, FvbServicesSmm driver calls MemEncryp

Add two functions to disable/enable CR0.WP. These two unctions will also be used in later commits. This commit doesn't change any functionality. Signed-off-by: Dun Tan <dun.tan@...> Cc: Eric Dong <eri

In PiSmmCpuDxeSmm code, SetMemMapAttributes() marks memory ranges in SmmMemoryAttributesTable to RO/NX. There may exist non-present range in these memory ranges. Set other attributes for a non-present

In ConvertMemoryPageAttributes() function, when clear RP for a specific range [BaseAddress, BaseAddress + Length], it means to set the present bit to 1 and assign default value for other attributes in

Simplify the ConvertMemoryPageAttributes API to convert paging attribute by CpuPageTableLib. In the new API, it calls PageTableMap() to update the page attributes of a memory range. With the PageTable

Remove RO and NX protection when unset guard page. When UnsetGuardPage(), remove all the memory attribute protection for guarded page. Signed-off-by: Dun Tan <dun.tan@...> Cc: Liming Gao <gaoliming@..

Remove code that apply AddressEncMask to non-leaf entry when split smm page table by MemEncryptSevLib. In FvbServicesSmm driver, it calls MemEncryptSevClearMmioPageEncMask to clear AddressEncMask bit