Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: d8e875e62505e15a48f82ccb49db42be9fda519f
https://github.com/tianocore/edk2/commit/d8e875e62505e15a48f82ccb49db42be9fda519f
Author: Levi Yun <[email protected]>
Date: 2025-09-08 (Mon, 08 Sep 2025)
Changed paths:
M ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.c
M ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.c
M MdeModulePkg/Library/ArmFfaLib/ArmFfaCommon.c
M MdePkg/Include/Library/ArmFfaLib.h
M SecurityPkg/Library/Tpm2DeviceLibFfa/Tpm2ServiceFfaRaw.c
M SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigFfaPeim.c
Log Message:
-----------
Global: fix ArmFfaLibRun() caller couldn't get ret-args
When ArmFfaLibDirectMsgReq(2) is preempted, caller of these functions
should resume it works via ArmFfaLibRun() and the secure partition
will be return with FFA_DIRECT_MSG_RESP(2) with return arguments.
However, since ArmFfaLibRun() gets its return in its stack variable,
So caller of ArmFfaLibRun() doesn't get the return arguments from
secure partition.
To resolve this, add output parameter to ArmFfaLibRun() to
receive return arguments.
Continuous-integration-options: PatchCheck.ignore-multi-package
Fixes: 5d1b38dd07c4 ("ArmPkg: Add ArmFfaLib used in Dxe driver")
Reported-by: Mariam Elshakfy <[email protected]>
Signed-off-by: Yeoreum Yun <[email protected]>
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