Hi Arm and MdeModule package maintainers, This patch series has been sent out for almost 2 weeks without any reviews.
Could you please provide feedback on the change when you have a chance? Any input is appreciated. Regards, Kun On 6/8/2023 1:44 PM, Kun Qin via groups.io wrote:
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4464 As of today, there has been a void in the variable service in PEI phase on ARM systems that support PEI phase and standalone MM hosted variable service. This change adds the support through: 1. Add MM communication services in PEI phase for ARM platforms. This module is based on SMC calls to standalone MM environments, similar to "ArmPkg/Drivers/MmCommunicationDxe". 2. A service module that installs `gEfiPeiReadOnlyVariable2PpiGuid` based on step 1. Note that this driver will not have special dependency on ARM specific code, thus will be ideally added to MdeModulePkg. Patch v1 branch: https://github.com/kuqin12/edk2/tree/arm_var_pei_v1 Cc: Hao A Wu <hao.a...@intel.com> Cc: Liming Gao <gaolim...@byosoft.com.cn> Cc: Jian J Wang <jian.j.w...@intel.com> Cc: Leif Lindholm <quic_llind...@quicinc.com> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Sami Mujawar <sami.muja...@arm.com> Kun Qin (2): ArmPkg: MmCommunicationPei: Introduce MM communicate in PEI MdeModulePkg: Variable: Introduce MM based variable read service in PEI ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.c | 178 +++++++++ MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.c | 381 ++++++++++++++++++++ ArmPkg/ArmPkg.dsc | 2 + ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.h | 76 ++++ ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.inf | 41 +++ MdeModulePkg/MdeModulePkg.dsc | 1 + MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.h | 134 +++++++ MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf | 43 +++ 8 files changed, 856 insertions(+) create mode 100644 ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.c create mode 100644 MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.c create mode 100644 ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.h create mode 100644 ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.inf create mode 100644 MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.h create mode 100644 MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf
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