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Re: [Qemu-devel] [PATCH 10/13] cuda: port GET_TIME command to new framew


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH 10/13] cuda: port GET_TIME command to new framework
Date: Mon, 25 Jan 2016 10:27:05 +1100
User-agent: Mutt/1.5.24 (2015-08-30)

On Sat, Jan 23, 2016 at 09:40:07PM +0100, Hervé Poussineau wrote:
> Signed-off-by: Hervé Poussineau <address@hidden>

Reviewed-by: David Gibson <address@hidden>

> ---
>  hw/misc/macio/cuda.c | 29 +++++++++++++++++++++--------
>  1 file changed, 21 insertions(+), 8 deletions(-)
> 
> diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
> index 64a3e79..55e9cff 100644
> --- a/hw/misc/macio/cuda.c
> +++ b/hw/misc/macio/cuda.c
> @@ -653,6 +653,26 @@ static bool cuda_cmd_set_power_message(CUDAState *s,
>      return true;
>  }
>  
> +static bool cuda_cmd_get_time(CUDAState *s,
> +                              const uint8_t *in_data, int in_len,
> +                              uint8_t *out_data, int *out_len)
> +{
> +    uint32_t ti;
> +
> +    if (in_len != 0) {
> +        return false;
> +    }
> +
> +    ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
> +                           / get_ticks_per_sec());
> +    out_data[0] = ti >> 24;
> +    out_data[1] = ti >> 16;
> +    out_data[2] = ti >> 8;
> +    out_data[3] = ti;
> +    *out_len = 4;
> +    return true;
> +}
> +
>  static const CudaCommand handlers[] = {
>      { CUDA_AUTOPOLL, "AUTOPOLL", cuda_cmd_autopoll },
>      { CUDA_SET_AUTO_RATE, "SET_AUTO_RATE",  cuda_cmd_set_autorate },
> @@ -663,6 +683,7 @@ static const CudaCommand handlers[] = {
>        cuda_cmd_set_file_server_flag },
>      { CUDA_SET_POWER_MESSAGES, "SET_POWER_MESSAGES",
>        cuda_cmd_set_power_message },
> +    { CUDA_GET_TIME, "GET_TIME", cuda_cmd_get_time },
>  };
>  
>  static void cuda_receive_packet(CUDAState *s,
> @@ -702,14 +723,6 @@ static void cuda_receive_packet(CUDAState *s,
>          s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 
> get_ticks_per_sec());
>          cuda_send_packet_to_host(s, obuf, 3);
>          return;
> -    case CUDA_GET_TIME:
> -        ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 
> get_ticks_per_sec());
> -        obuf[3] = ti >> 24;
> -        obuf[4] = ti >> 16;
> -        obuf[5] = ti >> 8;
> -        obuf[6] = ti;
> -        cuda_send_packet_to_host(s, obuf, 7);
> -        return;
>      case CUDA_COMBINED_FORMAT_IIC:
>          obuf[0] = ERROR_PACKET;
>          obuf[1] = 0x5;

-- 
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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