Re: [edk2-devel] Question about Smm code / StandaloneMmPkg

["Laszlo Ersek" <lersek@redhat.com>]

Adding Kun Qin; a comment below:

On 03/04/21 09:34, Tiger Liu(BJ-RD) wrote:
> Dear All:
> I have a few questions about Smm code and StandaloneMmPkg.
> 
> Take X86 Arch cpu as example:
> 1. Smm infrastructure code is implemented in MdeModulePkg\Core\PiSmmCore
>    But it's a traditional smm mode, used launched in UEFI DXE Phase.
> 
> A_Tour_Beyond_BIOS_Launching_Standalone_SMM_Drivers_in_PEI_using_the_EFI_Developer_Kit_II.pdf
> ----> This doc introduced a standalone smm mode.
> 
> PI Spec introduces a MM concept, it's arch independent.
> 
> So, I have below questions:
> 1. Will X86 SMM code implementation be migrated to MM concept code base?
> 2. StandaloneMmPkg is a MM reference implementation, is it arch independent?
> 3. The above doc mentioned launching SMM drivers in PEI,  is it also implemented in StandaloneMmPkg?

Please see (also) the following thread:

  [edk2-rfc] [RFC]
  Support Both MM Traditional and Standalone Drivers with One MM Core

  https://edk2.groups.io/g/rfc/message/430

Thanks
Laszlo


> 
> Thanks
> 
> 
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