On Tuesday, February 20, 2024 5:07 PM, Gerd Hoffmann wrote: > Subject: [PATCH v3 0/6] OvmfPkg: Add support for 5-level paging > > Patch #1 + #2 fix MdeModulePkg/DxeIplPeim to not assert in case a 5-level > enabled build runs in 4-level paging mode. > > Patch #2 - #4 update OvmfPkg ResetVector, adding support for 5-level paging > (setup 5-level page tables in case both la57 and gigabyte pages are supported > by the vCPU). > > Patch #5 updates PlatformInitLib for 5-level paging support (update PhysBits > calculation). > > Known issues / limitations: > - BaseMemEncryptSevLib must be updated to also support 5-level > paging for full 5-level paging support in SEV mode. > > The patch series does *not* enable 5-level paging by default. > Building with 5-level paging support can be done by compiling OVMF with '-- > pcd PcdUse5LevelPageTable=TRUE'. > > v3: > - add resetvector fixes for sev and tdx > v2 changes: > - fix sev/tdx handling with 5-level paging. > - more comments for 5-level page table setup. > - improve PAGE_* naming (new patch #3). > - rename Page5LevelSupported to Page5LevelEnabled (new patch #2). > - pick up some review tags. > > Gerd Hoffmann (6): > MdeModulePkg/DxeIplPeim: fix PcdUse5LevelPageTable assert > MdeModulePkg/DxeIplPeim: rename variable > OvmfPkg/ResetVector: improve page table flag names > OvmfPkg/ResetVector: SEV: keep #vc handler installed longer > OvmfPkg/ResetVector: add 5-level paging support > OvmfPkg/PlatformInitLib: add 5-level paging support > > OvmfPkg/ResetVector/ResetVector.inf | 1 + > .../Core/DxeIplPeim/X64/VirtualMemory.c | 24 +-- > OvmfPkg/Library/PlatformInitLib/MemDetect.c | 57 ++++-- > OvmfPkg/ResetVector/Ia32/AmdSev.asm | 7 +- > OvmfPkg/ResetVector/Ia32/IntelTdx.asm | 17 +- > OvmfPkg/ResetVector/Ia32/PageTables64.asm | 170 +++++++++++++++--- > OvmfPkg/ResetVector/ResetVector.nasmb | 1 + > 7 files changed, 224 insertions(+), 53 deletions(-) >
Test the patch-set in TDX (OvmfPkgX64 and Intel/IntelTdx) and both passed. Tested-by: Min Xu <min.m...@intel.com> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#115714): https://edk2.groups.io/g/devel/message/115714 Mute This Topic: https://groups.io/mt/104464306/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
