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

[Paolo Bonzini]

On 06/10/2016 10:37, David Gibson wrote:
> 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.

On this I do agree.

Paolo