Hi Hao, As mentioned in the cover letter and in BZ-3168, VariableStandaloneMm and Tcg2Smm would need this capability to unblock certain regions in order to access either variable runtime cache or NVS region patched into ACPI table, if non-MMRAM region is blocked for access.
Just as a preview (error handling needs better polishing), the example usages for the 2 drivers above could be found here: 1. Variable DXE SMM change that unblocks runtime cache regions is posted here: https://github.com/kuqin12/mu_basecore/commit/189f90318d1256c2e72a1a67d31e3176588d8e5b 2. Tcg2Smm change example, which breaks one module into 2 and then unblock NVS region, is posted here: https://github.com/kuqin12/mu_basecore/commit/c0784f95ffe31d4d65f6230657adfc63294a693d The change should be relatively minor but critical for the standalone Mm model. Thanks, Kun -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#71283): https://edk2.groups.io/g/devel/message/71283 Mute This Topic: https://groups.io/mt/80339609/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
