On 07/02/20 07:15, 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.
>
> 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/Dispatcher/Dispatcher.c | 402 ++++++++++++++++++
> MdeModulePkg/Core/Pei/Image/Image.c | 115 +++++
> MdeModulePkg/Core/Pei/Memory/MemoryServices.c | 82 ++++
> MdeModulePkg/Core/Pei/PeiMain.h | 168 ++++++++
> MdeModulePkg/Core/Pei/PeiMain.inf | 1 +
> MdeModulePkg/Core/Pei/PeiMain/PeiMain.c | 16 +
> MdeModulePkg/Core/Pei/Ppi/Ppi.c | 287 +++++++++++++
> 7 files changed, 1071 insertions(+)
(2) The commit message of this patch should be extended with a
simplified call tree of *all* the functions introduced. As follows:
PeiCore()
DumpPpiList()
EvacuateTempRam()
ConvertPeiCorePpiPointers()
PeiGetPe32Data()
ConvertPpiPointersFv()
MigrateSecModulesInFv()
LoadAndRelocatePeCoffImageInPlace()
MigratePeimsInFv()
MigratePeim()
PeiGetPe32Data()
LoadAndRelocatePeCoffImageInPlace()
ConvertPpiPointersFv()
ConvertStatusCodeCallbacks()
ConvertFvHob()
RemoveFvHobsInTemporaryMemory()
DumpPpiList()
Thanks
Laszlo
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