Hi, Laszlo: Got it.
Thanks a lot! I study the udk code, and find there are no smm pcd drivers, so can't use dynamic pcd in smm code. At 2023-11-07 20:45:16, "Laszlo Ersek" <ler...@redhat.com> wrote: >On 11/7/23 12:31, Yoshinoya wrote: >> Hi, All: >> Could dynamic PCD be used in smm driver code? >> >> It seems pcd has pei/dxe drivers, but not have smm related infrastructur >> drivers. > >Dynamic PCDs (or more generally, DXE protocols) can be used in the entry >point functions of DXE_SMM_DRIVER modules, to my understanding. Dynamic >PCDs can't be used in any SMM services (callbacks, protocol member >functions, SMI handlers, etc) that those modules provide (i.e., dynamic >PCDs can't be used after the entry point function has returned). > >I'm not sure about MM_STANDALONE modules. The PI spec probably explains >the environment in which the entry points of those modules are invoked. > >Laszlo > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#110950): https://edk2.groups.io/g/devel/message/110950 Mute This Topic: https://groups.io/mt/102440663/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
