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


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] qtest: add read/write accessors with a specific endianness
Date: Thu, 6 Oct 2016 09:23:11 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0


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.

Paolo



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