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apb: implement PCI bus error interrupt map registers

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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>
This commit is contained in:
Mark Cave-Ayland 2014-09-05 14:50:56 +01:00
parent 1bc0e40581
commit de739df8e0
1 changed files with 13 additions and 2 deletions
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15
hw/pci-host/apb.c
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@ -142,6 +142,7 @@ 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;
@ -437,7 +438,7 @@ 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;
@ -515,13 +516,20 @@ 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;
@ -753,6 +761,9 @@ 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;
}