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

[Mark Cave-Ayland]

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 <address@hidden>
---
 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