On 07/09/20 03:56, Guomin Jiang wrote: > From: Michael Kubacki <michael.a.kuba...@intel.com> > > REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1614 > > Introduces new changes to PeiCore to move the contents of temporary > RAM visible to the PeiCore to permanent memory. This expands on > pre-existing shadowing support in the PeiCore to perform the following > additional actions: > > 1. Migrate pointers in PPIs installed in PeiCore to the permanent > memory copy of PeiCore. > > 2. Copy all installed firmware volumes to permanent memory. > > 3. Relocate and fix up the PEIMs within the firmware volumes. > > 4. Convert all PPIs into the migrated firmware volume to the corresponding > PPI address in the permanent memory location. > > This applies to PPIs and PEI notifications. > > 5. Convert all status code callbacks in the migrated firmware volume to > the corresponding address in the permanent memory location. > > 6. Update the FV HOB to the corresponding firmware volume in permanent > memory. > > 7. Add PcdMigrateTemporaryRamFirmwareVolumes to control if enable the > feature or not. when the PCD disable, the EvacuateTempRam() will > never be called. > > The function control flow as below: > PeiCore() > DumpPpiList() > EvacuateTempRam() > ConvertPeiCorePpiPointers() > ConvertPpiPointersFv() > MigratePeimsInFv() > MigratePeim() > PeiGetPe32Data() > LoadAndRelocatePeCoffImageInPlace() > MigrateSecModulesInFv() > ConvertPpiPointersFv() > ConvertStatusCodeCallbacks() > ConvertFvHob() > RemoveFvHobsInTemporaryMemory() > DumpPpiList() > > Cc: Jian J Wang <jian.j.w...@intel.com> > Cc: Hao A Wu <hao.a...@intel.com> > Cc: Dandan Bi <dandan...@intel.com> > Cc: Liming Gao <liming....@intel.com> > Cc: Debkumar De <debkumar...@intel.com> > Cc: Harry Han <harry....@intel.com> > Cc: Catharine West <catharine.w...@intel.com> > Signed-off-by: Michael Kubacki <michael.a.kuba...@intel.com> > --- > MdeModulePkg/Core/Pei/PeiMain.inf | 2 + > MdeModulePkg/Core/Pei/PeiMain.h | 168 ++++++++ > MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c | 402 ++++++++++++++++++ > MdeModulePkg/Core/Pei/Image/Image.c | 115 +++++ > MdeModulePkg/Core/Pei/Memory/MemoryServices.c | 82 ++++ > MdeModulePkg/Core/Pei/PeiMain/PeiMain.c | 24 ++ > MdeModulePkg/Core/Pei/Ppi/Ppi.c | 287 +++++++++++++ > 7 files changed, 1080 insertions(+) >
Acked-by: Laszlo Ersek <ler...@redhat.com> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#62297): https://edk2.groups.io/g/devel/message/62297 Mute This Topic: https://groups.io/mt/75390174/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
