Am So., 15. Nov. 2020 um 19:43 Uhr schrieb Matt DeVillier <
[email protected]>:

> if it were as simple as building Tianocore with SeaBIOS as the CSM, that
> would be the default option offered, but unfortunately it's not. The
> neither Tianocore package (the default CorebootPayloadPkg, nor
> UefiPayloadPkg) has support for a CSM, like the emulator package (OmvhPkg).
> I maintain the default CorebootPayloadPkg, and have tried unsuccessfully to
> integrate SeaBIOS as a CSM, but I've also not put a ton of effort into it.
> If someone else manages to get it working, I'll gladly take a pull request
> on github
>
corebootPkg used to support CSM a long time ago. The remains are archived
at
https://code.georgi.software/patrick/corebootPkg/src/branch/coreboot-pkg/corebootPkg
(see
https://code.georgi.software/patrick/corebootPkg#user-content-csm-support
for some minimal documentation.) While I won't spend time reviving or
integrating it with the modern coreboot/edk2 bridges, it might serve as a
starting point for whoever is interested. Good luck.


Patrick
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