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Re: [PATCH 0/3] Add OpenSBI dynamic firmware support
From: |
Bin Meng |
Subject: |
Re: [PATCH 0/3] Add OpenSBI dynamic firmware support |
Date: |
Thu, 18 Jun 2020 16:56:14 +0800 |
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