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