Re: [Qemu-devel] [PATCH 1/8] virtio_get_byteswap: function for endian-ambivalent targets using virtio.

[Peter Maydell]

On 12 August 2013 10:50, Benjamin Herrenschmidt
<address@hidden> wrote:
> I must be confused ... you mentioned in a previous discussion around
> endianness that on some ARM cores at least, when changing the OS
> endianness, you had to configure a different lane swapping in the bridge
> to the the IO devices (AXI ?)

No, that's just the implementation -- the bit in the control
register is effectively controlling whether there is byte lane
swapping in the part of the CPU which is the data path between
it and its bus to the outside world.

-- PMM