[coreboot-gerrit] Change in coreboot[master]: Program loading: Handoff cbmem_top via calling arguments

[Arthur Heymans (Code Review)]

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/36272 )

Change subject: Program loading: Handoff cbmem_top via calling arguments
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Patch Set 2:
> Patch Set 2:
> > Patch Set 2:
> >
> > How does SMM reach cbmem_top()? If I am not mistaken ASEG SMM (AGESA,PI,QEMU-Q35) is not rmodule either, in case that matters.
>
> Hmm. I guess the answer is SMM does not have to, and it did not reach it before either.

Looks like the residual smihandler does not need it. It should be rather easy to provide an implementation however, via an apmc call.

Btw with parallel_mp the smm relocation code calls in ramstage code. which knows where cbmem is, which in turn also allows it to print to the cbmem console.