Re: [Qemu-devel] [PATCH] qtest: add read/write accessors with a specific endianness

[David Gibson]

On Thu, Oct 06, 2016 at 09:23:11AM +0200, Paolo Bonzini wrote:
> 
> 
> On 06/10/2016 05:45, David Gibson wrote:
> > qtest is about testing hardware, not the guest cpu, and whether you're
> > accessing MMIO space or buffers the hardware will read via DMA, it's
> > the hardware which determines the correct endianness, not the guest
> > cpu.
> 
> Well, sort of... qtest writes are definitely injecting things from the
> point of view of the guest CPU.  For example see Laurent's patches that
> add RTAS commands to qtest.

Sure.  My point is that any guest CPU can do both LE and BE accesses
pretty simply, so we might as well specify which we want.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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