D54644.diff
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	diff --git a/usr.sbin/bhyve/pci_emul.c b/usr.sbin/bhyve/pci_emul.c
	--- a/usr.sbin/bhyve/pci_emul.c
	+++ b/usr.sbin/bhyve/pci_emul.c
	@@ -1664,6 +1664,32 @@
	}
	}
	}
	+ if (get_config_bool_default("acpi_tables", false)) {
	+ /*
	+ * Setup fixed IRQ mappings for the hotpluggable
	+ * slot. This makes sure we emit the proper ACPI
	+ * _PRT entries when building the DSDT tables
	+ * later on.
	+ */
	+ for (bus = 0; bus < MAXBUSES; bus++) {
	+ if ((bi = pci_businfo[bus]) == NULL)
	+ continue;
	+ for (slot = 0; slot < MAXSLOTS; slot++) {
	+ si = &bi->slotinfo[slot];
	+ if (si->si_type == PCI_SLOT_FIXED)
	+ continue;
	+ for (int pin = 0; pin < 4; pin++) {
	+ struct intxinfo *ii;
	+
	+ ii = &si->si_intpins[pin];
	+ pci_irq_route(ctx, &ii->ii_irq, slot,
	+ pin + 1);
	+ ii->ii_count++;
	+ }
	+ }
	+ }
	+ }
	+
	#ifdef __amd64__
	lpc_pirq_routed();
	#endif