Re: [Qemu-devel] [PATCH 2/2] apb: implement PCI bus error interrupt map registers

[Artyom Tarasenko <atar4qemu@gmail.com>]

On Mon, Aug 25, 2014 at 7:58 PM, Mark Cave-Ayland
<mark.cave-ayland@ilande.co.uk> wrote:
> Both OpenBSD and FreeBSD SPARC64 attempt to read the interrupt map from the
> hardware and will fail if the correct ino isn't present.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>

> ---
>  hw/pci-host/apb.c |   15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c
> index 3b7fb13..d2c5c14 100644
> --- a/hw/pci-host/apb.c
> +++ b/hw/pci-host/apb.c
> @@ -147,6 +147,7 @@ typedef struct APBState {
>      IOMMUState iommu;
>      uint32_t pci_control[16];
>      uint32_t pci_irq_map[8];
> +    uint32_t pci_err_irq_map[4];
>      uint32_t obio_irq_map[32];
>      qemu_irq *pbm_irqs;
>      qemu_irq *ivec_irqs;
> @@ -441,7 +442,7 @@ static void apb_config_writel (void *opaque, hwaddr addr,
>              pbm_check_irqs(s);
>          }
>          break;
> -    case 0x1000 ... 0x1080: /* OBIO interrupt control */
> +    case 0x1000 ... 0x107f: /* OBIO interrupt control */
>          if (addr & 4) {
>              unsigned int ino = ((addr & 0xff) >> 3);
>              s->obio_irq_map[ino] &= PBM_PCI_IMR_MASK;
> @@ -519,13 +520,20 @@ static uint64_t apb_config_readl (void *opaque,
>              val = 0;
>          }
>          break;
> -    case 0x1000 ... 0x1080: /* OBIO interrupt control */
> +    case 0x1000 ... 0x107f: /* OBIO interrupt control */
>          if (addr & 4) {
>              val = s->obio_irq_map[(addr & 0xff) >> 3];
>          } else {
>              val = 0;
>          }
>          break;
> +    case 0x1080 ... 0x108f: /* PCI bus error */
> +        if (addr & 4) {
> +            val = s->pci_err_irq_map[(addr & 0xf) >> 3];
> +        } else {
> +            val = 0;
> +        }
> +        break;
>      case 0x2000 ... 0x202f: /* PCI control */
>          val = s->pci_control[(addr & 0x3f) >> 2];
>          break;
> @@ -763,6 +771,9 @@ static int pci_pbm_init_device(SysBusDevice *dev)
>      for (i = 0; i < 8; i++) {
>          s->pci_irq_map[i] = (0x1f << 6) | (i << 2);
>      }
> +    for (i = 0; i < 2; i++) {
> +        s->pci_err_irq_map[i] = (0x1f << 6) | 0x30;
> +    }
>      for (i = 0; i < 32; i++) {
>          s->obio_irq_map[i] = ((0x1f << 6) | 0x20) + i;
>      }
> --
> 1.7.10.4
>
>



-- 
Regards,
Artyom Tarasenko

linux/sparc and solaris/sparc under qemu blog:
http://tyom.blogspot.com/search/label/qemu