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" <lersek@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
>
>
>
>
>
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