Re: [Qemu-devel] [PATCH] IDE: MMIO IDE device control should be little endian

[Valentin Manea <valentin.manea@gmail.com>]

Hi,

  Did anybody get the chance to review this patch?
  It would be quite nice to integrate it before all the other openrisc changes, to get
the IDE working also.

Thanks,
Valentin
On 2014-08-31 11:32, Valentin Manea wrote:
> 
> Set the IDE MMIO memory type to little endian. The ATA specs identify
> words part of the control commands encoded as little endian.
> While this has no impact on little endian systems, it's required for big
> endian systems(eg OpenRisc).
> 
> Signed-off-by: Valentin Manea <valentin.manea@gmail.com>
> ---
>  hw/ide/mmio.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c
> index 01c1d0e..334c8cc 100644
> --- a/hw/ide/mmio.c
> +++ b/hw/ide/mmio.c
> @@ -82,7 +82,7 @@ static void mmio_ide_write(void *opaque, hwaddr addr,
>  static const MemoryRegionOps mmio_ide_ops = {
>      .read = mmio_ide_read,
>      .write = mmio_ide_write,
> -    .endianness = DEVICE_NATIVE_ENDIAN,
> +    .endianness = DEVICE_LITTLE_ENDIAN,
>  };
> 
>  static uint64_t mmio_ide_status_read(void *opaque, hwaddr addr,
> @@ -102,7 +102,7 @@ static void mmio_ide_cmd_write(void *opaque, hwaddr
> addr,
>  static const MemoryRegionOps mmio_ide_cs_ops = {
>      .read = mmio_ide_status_read,
>      .write = mmio_ide_cmd_write,
> -    .endianness = DEVICE_NATIVE_ENDIAN,
> +    .endianness = DEVICE_LITTLE_ENDIAN,
>  };
> 
>  static const VMStateDescription vmstate_ide_mmio = {
>