[coreboot-gerrit] Change in coreboot[master]: riscv: add support for OpenSBI

[Xiang Wang (Code Review)]

Xiang Wang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/32394 )

Change subject: riscv: add support for OpenSBI
......................................................................

Patch Set 9:
> Patch Set 9:
>
> I guess you are running on real hardware? I only tested on qemu with a single hart.
> I guess hart0 on sifive shouldn't execute OpenSBI, as it doesn't support S-mode.

Yes, I am testing with real hardware.
Fu540 hart0 does not support S-mode, but can run opensbi, I remember there is code in opensbi to pause hart0