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PIIX3: Fix MIRQ0 / legacy IRQ switch, fixes #4861.

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OBattler
2024-09-26 22:14:28 +02:00
parent 4c086d543c
commit 625da7cab6
1 changed files with 2 additions and 2 deletions
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4
src/chipset/intel_piix.c
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@@ -599,9 +599,9 @@ piix_write(int func, int addr, uint8_t val, void *priv)
pci_set_mirq_routing(PCI_MIRQ0 + (addr & 0x01), val & 0xf); pci_set_mirq_routing(PCI_MIRQ0 + (addr & 0x01), val & 0xf);
if (dev->type == 3) { if (dev->type == 3) {
if (val & 0x20) if (val & 0x20)
sff_set_irq_mode(dev->bm[1], IRQ_MODE_MIRQ_0);
else
sff_set_irq_mode(dev->bm[1], IRQ_MODE_LEGACY); sff_set_irq_mode(dev->bm[1], IRQ_MODE_LEGACY);
else
sff_set_irq_mode(dev->bm[1], IRQ_MODE_MIRQ_0);
} }
piix_log("MIRQ%i is %s\n", addr & 0x01, (val & 0x20) ? "disabled" : "enabled"); piix_log("MIRQ%i is %s\n", addr & 0x01, (val & 0x20) ? "disabled" : "enabled");
} }