windows-nt/Source/XPSP1/NT/base/tools/kdexts2/pci.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
pci.c
Abstract:
WinDbg Extension Api
Author:
Ken Reneris (kenr) 18-August-1997
Environment:
User Mode.
Revision History:
--*/
#include "precomp.h"
#include "i386.h"
#pragma hdrstop
DECLARE_API(pciir)
{
ULONG64 addr;
ULONG64 pciIrqRoutingTable;
ULONG64 slot;
ULONG64 lastSlot;
ULONG slotSz, SizeOfRoutingTable, TableSize;
if (TargetMachine != IMAGE_FILE_MACHINE_I386) {
dprintf("X86 target only API.\n");
return E_INVALIDARG;
}
slotSz = GetTypeSize("hal!_SLOT_INFO");
SizeOfRoutingTable = GetTypeSize("hal!_PCI_IRQ_ROUTING_TABLE");
addr = GetExpression("Hal!HalpPciIrqRoutingInfo");
if (addr == 0)
{
dprintf("Error reading Pci Irq Routing Info!\n");
}
else
{
pciIrqRoutingTable = 0;
if (ReadPointer(addr, &pciIrqRoutingTable))
{
if (pciIrqRoutingTable)
{
//
// Read and dump the header.
//
if (!InitTypeRead(pciIrqRoutingTable, hal!_PCI_IRQ_ROUTING_TABLE))
{
dprintf("Version = %04x\n", (ULONG) ReadField(Version));
dprintf("Size = %04x\n", TableSize = (ULONG) ReadField(TableSize));
dprintf("RouterBus = %02x\n", (ULONG) ReadField(RouterBus));
dprintf("RouterDevFunc = %02x:%02x\n", (ULONG) ReadField(RouterDevFunc) >> 3, (ULONG) ReadField(RouterDevFunc) & 0x7);
dprintf("ExclusiveIRQs = %04x\n", (ULONG) ReadField(ExclusiveIRQs));
dprintf("CompatibleRouterId = %08x\n", (ULONG) ReadField(CompatibleRouter));
dprintf("MiniportData = %08x\n", (ULONG) ReadField(MiniportData));
dprintf("CheckSum = %04x\n", (ULONG) ReadField(Checksum));
//
// Read and dump the table.
//
dprintf("----------------------------------------------------------------\n");
dprintf("Bus Device LnkA Mask LnkB Mask LnkC Mask LnkD Mask Slot\n");
dprintf("----------------------------------------------------------------\n");
slot = pciIrqRoutingTable + SizeOfRoutingTable;
for (lastSlot = pciIrqRoutingTable + TableSize; slot < lastSlot; slot+=slotSz)
{
if (!InitTypeRead(slot, hal!_SLOT_INFO))
{
dprintf("%02x %02x %02x %04x %02x %04x %02x %04x %02x %04x %02x\n",
(ULONG) ReadField(BusNumber),
(ULONG) ReadField(DeviceNumber) >> 3,
(ULONG) ReadField(PinInfo[0].Link), (ULONG) ReadField(PinInfo[0].InterruptMap),
(ULONG) ReadField(PinInfo[1].Link), (ULONG) ReadField(PinInfo[1].InterruptMap),
(ULONG) ReadField(PinInfo[2].Link), (ULONG) ReadField(PinInfo[2].InterruptMap),
(ULONG) ReadField(PinInfo[3].Link), (ULONG) ReadField(PinInfo[3].InterruptMap),
(ULONG) ReadField(SlotNumber));
}
}
}
}
else
{
dprintf("Pci Irq Routing Table not found.\n");
}
}
}
return S_OK;
}