Data Fields | |
UINT32 | Signature |
UINT8 | MinorVersion |
UINT8 | MajorVersion |
UINT16 | TableSize |
UINT8 | Bus |
UINT8 | DevFun |
UINT16 | PciOnlyIrq |
UINT16 | CompatibleVid |
UINT16 | CompatibleDid |
UINT32 | Miniport |
UINT8 | Reserved [11] |
UINT8 | Checksum |
PCI interrupt router bus.
This byte plus the sum of all other bytes in the LocalPirqTable equal 0x00.
Device ID of a compatible PCI interrupt router.
Vendor ID of a compatible PCI interrupt router.
PCI interrupt router device/function.
0x01 for table version 1.0.
If nonzero, a value passed directly to the IRQ miniport's Initialize function.
0x00.
If nonzero, bit map of IRQs reserved for PCI.
UINT8 EFI_LEGACY_PIRQ_TABLE_HEADER::Reserved[11] |
Reserved for future usage.
$PIR.
0x20 + RoutingTableEntries * 0x10.