On 08/05/13 18:21, Paolo Bonzini wrote: > On 07/28/2013 02:35 PM, Paolo Bonzini wrote: >> The I/O port variant of fw_cfg is used by sparc64, which is a >> big-endian machine. >> Firmware swaps bytes before sending them to fw_cfg, so we need to >> unswap them in >> the device. >> >> This is only used on sparc64 and on (little-endian) x86, so it does >> not affect >> any other target. 32-bit Sparc and PPC all use memory-mapped fw_cfg. >> >> Reported-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> >> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> >> --- >> hw/nvram/fw_cfg.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c >> index 0a35015..d0820e5 100644 >> --- a/hw/nvram/fw_cfg.c >> +++ b/hw/nvram/fw_cfg.c >> @@ -324,7 +324,7 @@ static const MemoryRegionOps fw_cfg_data_mem_ops = { >> static const MemoryRegionOps fw_cfg_comb_mem_ops = { >> .read = fw_cfg_comb_read, >> .write = fw_cfg_comb_write, >> - .endianness = DEVICE_NATIVE_ENDIAN, >> + .endianness = DEVICE_LITTLE_ENDIAN, >> .valid.accepts = fw_cfg_comb_valid, >> }; >> >> > > Ping. >
Not sure if you were asking for a review, but the patch and the argument in the commit msg look sane to me. Reviewed-by: Laszlo Ersek <ler...@redhat.com>