ARM/VExpressPkg: Remove Hob creation in StandaloneMm. #209
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apalos
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Oct 22, 2024
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samimujawar
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ArmTransferList is used to pass boot information according to firmware handoff protocol specification [0]. When initializing StandaloneMm, it gets boot information formatted with PHIT_HOB in TransferList. To get boot information from transfer list, add ArmTransferLib for StandaloneMm. Signed-off-by: Levi.Yun <[email protected]>
apply FF-A feature on UEFI/StandaloneMm. Signed-off-by: Levi Yun <[email protected]>
…onLib
The ExtractGuidedSectionLib implementation in Embedded package
creates HOBs to get Uncompress handler information.
Since StandaloneMM is a HOB consumer and not a HOB producer,
a StandaloneMM instance of ExtractGuidedSectionLib has been
introduced.
Therefore, switch to using the StandaloneMM instance of the
ExtractGuidedSectionLib.
Also, when using Lzma compression for StandaloneMm the size
of the image can be reduced.
The image size reduction can be seen as below:
before:
FVMAIN_COMPACT [96%Full] 1048576 (0x100000) total,
1016224 (0xf81a0) used, 32352 (0x7e60) free
after:
FVMAIN_COMPACT [38%Full] 1048576 (0x100000) total,
402880 (0x625c0) used, 645696 (0x9da40) free
Signed-off-by: Levi Yun <[email protected]>
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Instead of using Svc directly to request storage operation, use ArmFfaLib. Also, memory endpoint is no more used. so remove it. Signed-off-by: Levi Yun <[email protected]>
commit 8bc44608b8ea ("MdeModulePkg: Add ImagePropertiesRecordLib")
makes build failure on StandaloneMm.
commit f8d9a0a ("Update to New StackCheckLib")
replace BaseStackCheckLib to StackCheckLibNull.
To fix build failure,
1. add ImagePropertiesRecordLib and related libraries,
2. replace StackCheckLib to StackCheckLibNull.
Signed-off-by: Levi.Yun <[email protected]>
Add related libraries and Pcds to build StandaloneMm with FF-A v1.2. Signed-off-by: Levi Yun <[email protected]>
StandaloneMmCoreEntryPoint Library and StandaloneMmCpu Driver for Arm are moved from StandaloneMmPkg to ArmPkg. apply this change. Signed-off-by: Levi.yun <[email protected]>
StandaloneMmCoreEntryPoint Library and StandaloneMmCpu Driver for Arm are moved from StandaloneMmPkg to ArmPkg. apply this change. Signed-off-by: Levi Yun <[email protected]>
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samimujawar
approved these changes
Jan 15, 2025
|
If there are no further comments, then I plan to merge tianocore/edk2#6116 and this PR on 17th Jan 2025. |
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This patchset fixes build failure StandaloneMm on VExporessPkg
and apply remove hob creation in StandaloneMm.
When StandaloneMm running with SPM_MM,
It passes Boot Hob list created in TF-A via transfer list according to firmware handoff spec[0].
When StandaloneMm running with FF-A,
It passes Boot Hob list created in TF-A via FF-A boot protocol[1].
For this, add related Libraries in StandaloneMm dsc file.
Links: https://github.com/FirmwareHandoff/firmware_handoff [0]
Links: https://developer.arm.com/documentation/den0077/latest/ [1]