Re: [PATCH v2 16/18] hw/arm/fsl-imx8mp: Add boot ROM

[Bernhard Beschow <shentey@gmail.com>]

Am 17. Februar 2025 13:28:42 UTC schrieb Peter Maydell <peter.maydell@linaro.org>:
>On Tue, 4 Feb 2025 at 09:21, Bernhard Beschow <shentey@gmail.com> wrote:
>>
>> On a real device, the boot ROM contains the very first instructions the CPU
>> executes. Also, U-Boot calls into the ROM to determine the boot device. While
>> we're not actually implementing this here, let's create the infrastructure and
>> add a dummy ROM with all zeros. This allows for implementing a ROM later without
>> touching the source code and even allows for users to provide their own ROMs.
>>
>> The imx8mp-boot.rom was created with
>> `dd if=/dev/zero of=imx8mp-boot.rom bs=1 count=258048`.
>
>If it's all zeroes, we don't need to commit it to git as a binary,
>we can generate it at build time. (We should avoid having
>binaries in git as much as we can manage.)

I went with this solution since it trivially works on any build platform. Any idea how to generate the file in a portable way?

Thanks,
Bernhard

>
>thanks
>-- PMM