diff options
| -rw-r--r-- | src/mptable.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/src/mptable.c b/src/mptable.c index 0f2d756..de188ca 100644 --- a/src/mptable.c +++ b/src/mptable.c @@ -65,30 +65,25 @@ mptable_setup(void) } int entrycount = cpu - cpus; - // PCI buses + // PCI bus struct mpt_bus *buses = (void*)cpu, *bus = buses; - int lastbus = -1; - struct pci_device *pci; - foreachpci(pci) { - int curbus = pci_bdf_to_bus(pci->bdf); - if (curbus == lastbus) - continue; - lastbus = curbus; + if (PCIDevices) { memset(bus, 0, sizeof(*bus)); bus->type = MPT_TYPE_BUS; - bus->busid = curbus; + bus->busid = 0; memcpy(bus->bustype, "PCI ", sizeof(bus->bustype)); bus++; + entrycount++; } /* isa bus */ - int isabusid; + int isabusid = bus - buses; memset(bus, 0, sizeof(*bus)); bus->type = MPT_TYPE_BUS; - isabusid = bus->busid = lastbus + 1; + bus->busid = isabusid; memcpy(bus->bustype, "ISA ", sizeof(bus->bustype)); bus++; - entrycount += bus - buses; + entrycount++; /* ioapic */ u8 ioapic_id = BUILD_IOAPIC_ID; @@ -106,8 +101,11 @@ mptable_setup(void) int dev = -1; unsigned short mask = 0, pinmask = 0; + struct pci_device *pci; foreachpci(pci) { u16 bdf = pci->bdf; + if (pci_bdf_to_bus(bdf) != 0) + break; int pin = pci_config_readb(bdf, PCI_INTERRUPT_PIN); int irq = pci_config_readb(bdf, PCI_INTERRUPT_LINE); if (pin == 0) |