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Date:   Thu, 20 Jan 2022 16:37:00 +0100
From:   Vitaly Wool <vitaly.wool@...sulko.com>
To:     Myrtle Shah <gatecat@....me>
Cc:     linux-riscv <linux-riscv@...ts.infradead.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re:

Hey,

On Thu, Jan 20, 2022 at 4:30 PM Myrtle Shah <gatecat@....me> wrote:
>
> These are some initial patches to bugs I found attempting to
> get a XIP kernel working on hardware:
>  - 32-bit VexRiscv processor
>  - kernel in SPI flash, at 0x00200000
>  - 16MB of RAM at 0x10000000
>  - MMU enabled
>
> I still have some more debugging to do, but these at least
> get the kernel as far as initialising the MMU, and I would
> appreciate feedback if anyone else is working on RISC-V XIP.

I'll try to support you as much as I can, unfortunately I don't have
any 32-bit RISC-V around so I was rather thinking of extending the
RISC-V XIP support to 64-bit non-MMU targets.
For now just please keep in mind that there might be some inherent
assumptions that a target is 64 bit.

Best regards,
Vitaly

>
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