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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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33
src/sis496.c
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@ -65,6 +65,35 @@ void sis496_write(int func, int addr, uint8_t val, void *p)
sis496_recalcmapping(sis496);
}
break;
case 0xc0:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTA, val & 0xf);
else
pci_set_irq_routing(PCI_INTA, PCI_IRQ_DISABLED);
break;
case 0xc1:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTB, val & 0xf);
else
pci_set_irq_routing(PCI_INTB, PCI_IRQ_DISABLED);
break;
case 0xc2:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTC, val & 0xf);
else
pci_set_irq_routing(PCI_INTC, PCI_IRQ_DISABLED);
break;
case 0xc3:
// pclog("IRQ routing %02x %02x\n", addr, val);
if (val & 0x80)
pci_set_irq_routing(PCI_INTD, val & 0xf);
else
pci_set_irq_routing(PCI_INTD, PCI_IRQ_DISABLED);
break;
}
if ((addr >= 4 && addr < 8) || addr >= 0x40)
@ -104,6 +133,10 @@ void *sis496_init()
sis496->pci_conf[0x0e] = 0x00; /*Single function device*/
pci_set_card_routing(15, PCI_INTA);
pci_set_card_routing(13, PCI_INTD);
pci_set_card_routing(11, PCI_INTC);
return sis496;
}