Am 22. Februar 2025 17:52:27 UTC schrieb BALATON Zoltan <bala...@eik.bme.hu>:
>Hello,
>
>This series adds NVRAM and support for -kernel, -initrd and -append
>options to the amigaone machine. This makes it easier to boot AmigaOS
>and avoids a crash in the guest when it tries to access NVRAM.
Looks like the above information could be added to the changelog. While...
>
>While the -kernel option emulates what U-Boot passes to the kernel,
>old Linux kernels for amigaone may not work with it because of two
>reasons: these come in legacy U-Boot Multi-File image format that QEMU
>cannot read and even after unpacking that and creating a kernel uimage
>it won't find PCI devices because it does not initialise them
>correctly. This works when booted from U-Boot because U-Boot inits PCI
>devices. So does my BBoot loader which can be used to load AmigaOS so
>I don't intend to emulate that part of U-Boot.
>
>I'd like this to be merged for the next release please. When merging
>please update https://wiki.qemu.org/ChangeLog/10.0 with the following:
>
>amigaone
>
>Added support for NVRAM and -kernel, -initrd, -append command line
>options.
... this:
>By default the NVRAM contents are not preserved between
>sessions. To make it persistent create a backing file with 'qemu-image
>create -f raw nvram.bin 4k' and add -drive
>if=mtd,format=raw,file=nvram.bin to keep NVRAM contents in the backing
>file so settings stored in it will be preserved between sessions.
>
>To run AmigaOS with BBoot using the -kernel option at least BBoot
>version 0.8 is needed. Older BBoot versions only work with -device
>loader and cannot be used with -kernel on amigaone.
... information could be added to the amigaone section in the QEMU manual to
keep the documentation in one place.
Best regards,
Bernhard
>
>Regards,
>
>BALATON Zoltan (4):
> ppc/amigaone: Simplify replacement dummy_fw
> ppc/amigaone: Implement NVRAM emulation
> ppc/amigaone: Add default environment
> ppc/amigaone: Add kernel and initrd support
>
> hw/ppc/amigaone.c | 269 ++++++++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 261 insertions(+), 8 deletions(-)
>