Thanks a lot, Sami!
On 6/22/2023 12:06 AM, Sami Mujawar wrote:
Hi Kun,
Apologies for the delay in reviewing.
I will take a look at this series shortly and get back.
Regards,
Sami Mujawar
On 22/06/2023, 06:07, "Kun Qin" <kuqi...@gmail.com <mailto:kuqi...@gmail.com>>
wrote:
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
<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
<https://github.com/kuqin12/edk2/tree/arm_var_pei_v1>
Cc: Hao A Wu <hao.a...@intel.com <mailto:hao.a...@intel.com>>
Cc: Liming Gao <gaolim...@byosoft.com.cn <mailto:gaolim...@byosoft.com.cn>>
Cc: Jian J Wang <jian.j.w...@intel.com <mailto:jian.j.w...@intel.com>>
Cc: Leif Lindholm <quic_llind...@quicinc.com <mailto:quic_llind...@quicinc.com>>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org
<mailto:ardb+tianoc...@kernel.org>>
Cc: Sami Mujawar <sami.muja...@arm.com <mailto: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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