On Fri, Oct 23, 2015 at 02:56:32PM +0100, Mark Cave-Ayland wrote: > These are used by MacOS 9 on boot. Here we return an error except for 4-byte > commands which write to the IIC bus.
A bit of rationale about why some of these give errors and some don't
would be nice.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
> ---
> hw/misc/macio/cuda.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
> index 4fe901b..d3ec58a 100644
> --- a/hw/misc/macio/cuda.c
> +++ b/hw/misc/macio/cuda.c
> @@ -529,6 +529,24 @@ static void cuda_receive_packet(CUDAState *s,
> cuda_send_packet_to_host(s, obuf, 3);
> qemu_system_reset_request();
> break;
> + case CUDA_COMBINED_FORMAT_IIC:
> + obuf[0] = ERROR_PACKET;
> + obuf[1] = 0x5;
> + obuf[2] = CUDA_PACKET;
> + obuf[3] = data[0];
> + cuda_send_packet_to_host(s, obuf, 4);
> + break;
> + case CUDA_GET_SET_IIC:
> + if (len == 4) {
> + cuda_send_packet_to_host(s, obuf, 3);
> + } else {
> + obuf[0] = ERROR_PACKET;
> + obuf[1] = 0x2;
> + obuf[2] = CUDA_PACKET;
> + obuf[3] = data[0];
> + cuda_send_packet_to_host(s, obuf, 4);
> + }
> + break;
> default:
> break;
> }
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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