On Mon, Apr 15, 2024 at 09:30:11PM +0800, Wu, Jiaxin wrote:
> Intel plans to separate the smbase relocation logic from
> PiSmmCpuDxeSmm driver, and the related behavior will be
> moved to the new interface defined by the SmmRelocationLib
> class.
>
> The SmmRelocationLib class provides the SmmRelocationInit()
> interface for platform to do the smbase relocation, which
> shall provide below 2 functionalities:
> 1. Relocate smbases for each processor.
> 2. Create the gSmmBaseHobGuid HOB.
>
> With SmmRelocationLib, PiSmmCpuDxeSmm driver (which runs at
> a later phase) can be simplfied as below for SMM init:
> 1. Consume the gSmmBaseHobGuid HOB for the relocated smbases
> for each Processor.
> 2. Execute the early SMM Init.
How this was tested?
I can't even build this (without -D SMM_REQUIRE=TRUE).
/home/kraxel/projects/edk2/OvmfPkg/OvmfPkgX64.dsc(...): error 4000: Instance of
library class [SmmRelocationLib] is not found
in [/home/kraxel/projects/edk2/OvmfPkg/PlatformPei/PlatformPei.inf]
[X64]
consumed by module
[/home/kraxel/projects/edk2/OvmfPkg/PlatformPei/PlatformPei.inf]
I doubt it passes CI.
take care,
Gerd
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