Re: [PATCH 0/3] Add OpenSBI dynamic firmware support

[Bin Meng]

On Wed, Jun 17, 2020 at 3:29 AM Atish Patra <atish.patra@wdc.com> wrote:
>
> This series adds support OpenSBI dynamic firmware support to Qemu.
> Qemu loader passes the information about the DT and next stage (i.e. kernel
> or U-boot) via "a2" register. It allows the user to build bigger OS images
> without worrying about overwriting DT. It also unifies the reset vector code

I am not sure in what situation overwriting DT could happen. Could you
please elaborate?

> in rom and dt placement. Now, the DT is copied directly in DRAM instead of 
> ROM.
>
> The changes have been verified on following qemu machines.
>
> 64bit:
>  - spike, sifive_u, virt
> 32bit:
>  - virt

Any test instructions?

>
> I have also verified fw_jump on all the above platforms to ensure that this
> series doesn't break the existing setup.
>

Regards,
Bin