Hi Ming/Sami, I am working on adding RISCV standalone MM support along with yong...@intel.com. Since some part of this code is common for all arch, I had a question on this particular patch https://gitlab.ba.rivosinc.com/rv/sw/int/fw/cpu/edk2/-/commit/5496c763aaddc4a47639d4652abe23aa3419263a submitted by you. I wanted to understand the implication before I align implementation with RISCV64 if you could help with that. The question is as follows: I see there are couple of places where non secure buffer pointer is being communicated to MM. gEfiStandaloneMmNonSecureBufferGuid and gMmCommBufferHobGuid. Unless I have mistaken, the purpose of both buffers is similar. I wonder do we expect MM to comprehend them differently? MmEntryPoint() now uses mMmCommunicationBuffer derived from gMmCommBufferHobGuid. CheckBufferAddr() uses mNsCommBuffer which is derived from gEfiStandaloneMmNonSecureBufferGuid. Can you please help clarify? =D
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