On 23 February 2017 at 12:53, Paolo Bonzini <pbonz...@redhat.com> wrote: > > > On 23/02/2017 13:26, Peter Maydell wrote: >> On 23 February 2017 at 11:43, Paolo Bonzini <pbonz...@redhat.com> wrote: >>> On 23/02/2017 12:34, Peter Maydell wrote: >>>> We should probably update the doc comment to note that the >>>> pointer is to host-endianness memory (and that this is not >>>> like normal RAM which is target-endian)... >>> >>> I wouldn't call it host-endianness memory, and I disagree that normal >>> RAM is target-endian---in both cases it's just a bunch of bytes. >>> >>> However, the access done by the MemoryRegionOps callbacks needs to match >>> the endianness declared by the MemoryRegionOps themselves. >> >> Well, if the guest stores a bunch of integers to the memory, which >> way round do you see them when you look at the bunch of bytes? > > You see them in whatever endianness the guest used.
I'm confused. I said "normal RAM and this ramdevice memory are different", and you seem to be saying they're the same. I don't think they are (in particular I think with a BE guest on an LE host they'll look different). thanks -- PMM
