John Baldwin 8ab96fd8d0 - Add a pci_cfgintr_valid() function to see if a given IRQ is a valid ... IRQ for an entry in a PCIBIOS interrupt routing ($PIR) table. - Change pci_cfgintr() to except the current IRQ of a device as a fourth argument and to use that IRQ for the device if it is valid. - If an intpin entry in a $PIR entry has a link of 0, it means that that intpin isn't connected to anything that can trigger an interrupt. Thus, test the link against 0 to find invalid entries in the table instead of implicitly relying on the irqs field to be zero. In the machines I have looked at, intpin entries with a link of 0 often have the bits for all possible interrupts for PCI devices set.		2002-09-06 17:08:07 +00:00
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pci_bus.c	- Add a pci_cfgintr_valid() function to see if a given IRQ is a valid	2002-09-06 17:08:07 +00:00
pci_cfgreg.c	- Add a pci_cfgintr_valid() function to see if a given IRQ is a valid	2002-09-06 17:08:07 +00:00
pci_pir.c	- Add a pci_cfgintr_valid() function to see if a given IRQ is a valid	2002-09-06 17:08:07 +00:00