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Re: [Qemu-devel] ARM Big endian system emulation
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] ARM Big endian system emulation |
Date: |
Sat, 28 Apr 2007 00:47:34 +0100 |
User-agent: |
KMail/1.9.6 |
> > In theory most of the bits should be there. However I don't have
> > big-endian hardware to test against,
>
> I had a look at the "integrator cp" user guide. This board and the related
> core modules are supposed to be able to work in big endian mode (even if
> some components are not compatible like the Ethernet controller).
Sort-of. The Integrator boards aren't really big-endian, they're a little
endian board with a CPU that can switch endianness.
> Do you know some other big-endian platform ?
There are many big-endian platforms.
> I do not understand one more issue: I do not guess how a real big-endian
> board can be useful. Is it for checking whether the Linux kernel is working
> in such a configuration ?
I have very little confidence in linux actually working in big-endian mode on
an integrator. I'd also expect some of the consequences to switching to
big-endian mode to be non-obvious. Access to real hadware allows you to check
whether you're hitting kernel bugs or qemu bugs.
Paul