Qemu mipssim patches, mips malta and virtio bugs

[Reinoud Zandijk <reinoud@NetBSD.org>]

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Hi,

On Fri, Feb 12, 2021 at 10:44:55AM +0100, Philippe Mathieu-Daudé wrote:
> >> i'd like to get the following simple patches to the MIPS/mipssim target adding
> >> virtio-mmio devices to it.
> 
> Please submit your patches as a series so we can review them on
> the list:
> https://wiki.qemu.org/Contribute/SubmitAPatch#Use_git_format-patch

Oh thanks, i didn't know that; i've created a new patch with the OR gate you
suggested. We deliberated about the change here and we'll at least keep it
here locally for testing and profiling code until a real `virt' platform is
developed for MIPS. Until then it would IMHO be a good expansion to mipssim.
I'll try to get a proper patch posted on the list :)

As for the Malta target, its missing its BIOS and thus its PCI bus is not
initialised correctly for NetBSD to run on when its passed with -kernel. Linux
seems to bodge around this somewhere but if no BIOS is found it would be
better if it was initialised as the BIOS would leave it before handing over to
the kernel.

There are also a few Qemu virtio-pci and virtio-mmio bugs we encountered on
Aarch64 and Sparc64, how can I best file those? Or should I try to contact ppl
directly?

With regards,
Reinoud Zandijk


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