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Re: [Qemu-devel] [PATCH 0/4] alpha-softmmu fixes
From: |
Rob Landley |
Subject: |
Re: [Qemu-devel] [PATCH 0/4] alpha-softmmu fixes |
Date: |
Sun, 14 Jul 2013 01:05:16 -0500 |
On 07/10/2013 08:49:35 AM, Richard Henderson wrote:
On 07/09/2013 10:43 AM, Rob Landley wrote:
> Do you have a kernel .config that boots on this board? I'd really
like to try
> this out myself...
I haven't worked on this in quite some time. But I've located two
branches
that look like they might be the code corresponding to my image. Try
git://github.com/rth7680/linux.git axp-qemu-{1,2}
Do I just do 'make defconfig'? Or do I need to involve
arch/alpha/defconfig somehow?
The -1 branch looks newer, but the -2 branch contains more code
specific to
qemu. Both are over 2 years old, so I'm not sure what I was going
for...
There are now -3 and -4 branches...
Wow, -4 is current with upstream I think? Cool, I'll try that. Still no
obvious arch/alpha/config, but I'll just try "make defconfig" and hope
for the best...
The most important bits are trivial to Kconfig, enabling the pci
virtio
devices, as they don't require a working IOMMU.
Many moons ago (2009?) I built an alpha toolchain, userspace, and
kernel, but couldn't boot it under qemu because there was no
qemu-system-alpha.
what I'd like to do is build a 3.10 kernel with:
1) Serial console on qemu's stdin/stdout.
2) Block device driver of some kind (ide, scsi, virtio...)
3) network card
4) at least 256 megs memory
5) battery backed up clock
The IOMMU was a bit of a pipe dream 2 years ago, and only in the last
3-4
months has the code enabling that actually gotten merged. Perhaps
I'll find
some time to actually write the code to emulate that now...
As for configury, choose dp264 or generic.
"clipper" seems to be default, and that's dp264...
Rob
- [Qemu-devel] [PATCH 0/4] alpha-softmmu fixes, Richard Henderson, 2013/07/08
- [Qemu-devel] [PATCH 1/4] hw/alpha: Don't use get_system_io, Richard Henderson, 2013/07/08
- [Qemu-devel] [PATCH 2/4] hw/alpha: Don't machine check on missing pci i/o, Richard Henderson, 2013/07/08
- [Qemu-devel] [PATCH 3/4] exec: Support 64-bit operations in address_space_rw, Richard Henderson, 2013/07/08
- [Qemu-devel] [PATCH 4/4] hw/alpha: Drop latch_tmp hack, Richard Henderson, 2013/07/08
- Re: [Qemu-devel] [PATCH 0/4] alpha-softmmu fixes, Rob Landley, 2013/07/09