static BOOLEAN FindPciBios ( PPCI_REGISTRY_INFO BusData ) [static]

Definition at line 69 of file hwpci.c.

{
  REGS  RegsIn;
  REGS  RegsOut;

  RegsIn.b.ah = 0xB1; /* Subfunction B1h */
  RegsIn.b.al = 0x01; /* PCI BIOS present */

  Int386(0x1A, &RegsIn, &RegsOut);

  if (INT386_SUCCESS(RegsOut) && RegsOut.d.edx == 0x20494350 && RegsOut.b.ah == 0)
    {
      TRACE("Found PCI bios\n");

      TRACE("AL: %x\n", RegsOut.b.al);
      TRACE("BH: %x\n", RegsOut.b.bh);
      TRACE("BL: %x\n", RegsOut.b.bl);
      TRACE("CL: %x\n", RegsOut.b.cl);

      BusData->NoBuses = RegsOut.b.cl + 1;
      BusData->MajorRevision = RegsOut.b.bh;
      BusData->MinorRevision = RegsOut.b.bl;
      BusData->HardwareMechanism = RegsOut.b.al;

      return TRUE;
    }


  TRACE("No PCI bios found\n");

  return FALSE;
}

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