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PCI changes :

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- Each machine now specifies what PCI device IDs are used as generic card slots
- Implemented IRQ handling
- Added SIO chip to allow IRQ routing for Premiere/PCI
This commit is contained in:
SarahW 2017-06-01 20:37:09 +01:00
commit 6bd87d5718
17 changed files with 296 additions and 39 deletions
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36
src/piix.c
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@ -87,6 +87,35 @@ void piix_write(int func, int addr, uint8_t val, void *priv)
case 0x08: case 0x09: case 0x0a: case 0x0b:
case 0x0e:
return;
case 0x60:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTA, PCI_IRQ_DISABLED);
else
pci_set_irq_routing(PCI_INTA, val & 0xf);
break;
case 0x61:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTB, PCI_IRQ_DISABLED);
else
pci_set_irq_routing(PCI_INTB, val & 0xf);
break;
case 0x62:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTC, PCI_IRQ_DISABLED);
else
pci_set_irq_routing(PCI_INTC, val & 0xf);
break;
case 0x63:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTD, PCI_IRQ_DISABLED);
else
pci_set_irq_routing(PCI_INTD, val & 0xf);
break;
}
card_piix[addr] = val;
}
@ -306,7 +335,7 @@ void piix_bus_master_set_irq(int channel)
piix_busmaster[channel].status |= 4;
}
void piix_init(int card)
void piix_init(int card, int pci_a, int pci_b, int pci_c, int pci_d)
{
pci_add_specific(card, piix_read, piix_write, NULL);
@ -346,4 +375,9 @@ void piix_init(int card)
card_piix_ide[0x42] = card_piix_ide[0x43] = 0x00;
ide_set_bus_master(piix_bus_master_sector_read, piix_bus_master_sector_write, piix_bus_master_set_irq);
pci_set_card_routing(pci_a, PCI_INTA);
pci_set_card_routing(pci_b, PCI_INTB);
pci_set_card_routing(pci_c, PCI_INTC);
pci_set_card_routing(pci_d, PCI_INTD);
}