PCI设备空间前4个字节)
hal!HalGetBusDataByOffset函数分析得到Device (P2P0)PCI设备空间前4个字节
1: kd> g
Breakpoint 51 hit
eax=00000000 ebx=899050a0 ecx=00000100 edx=8996d118 esi=00000000 edi=00000000
eip=804f25ee esp=f791abdc ebp=f791ac48 iopl=0 nv up ei pl zr na pe nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000246
hal!HalGetBusDataByOffset:
804f25ee 55 push ebp
1: kd> be 48
1: kd> be 54
1: kd> dv
BusDataType = PCIConfiguration (0n4)
BusNumber = 0
SlotNumber = 0x11
Buffer = 0x898f6e44
Offset = 0
Length = 4
bus = struct _BUS_HANDLER
1: kd> kc
#
00 hal!HalGetBusDataByOffset
01 ACPI!PciConfigSpaceHandlerWorker
02 ACPI!GetPciAddressWorker
03 ACPI!ACPIGetWorkerForInteger
04 ACPI!AsyncCallBack
05 ACPI!RunContext
06 ACPI!DispatchCtxtQueue
07 ACPI!StartTimeSlicePassive
08 ACPI!ACPIWorker
09 nt!PspSystemThreadStartup
0a nt!KiThreadStartup
Device (P2P0)
{
Name (_ADR, 0x00110000) // _ADR: Address
1: kd> gu
Breakpoint 53 hit
eax=00000004 ebx=899050a0 ecx=00000000 edx=00000000 esi=00000000 edi=00000000
eip=f740d8c7 esp=f791abf8 ebp=f791ac48 iopl=0 nv up ei pl zr na pe nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000246
ACPI!PciConfigSpaceHandlerWorker+0x29b:
f740d8c7 8bf0 mov esi,eax
1: kd> db 0x898f6e44
898f6e44 ad 15 90 07 00 00 00 00-00 00 00 00 20 00 00 00 ............ ...
15ad 0790
DevNode 0x899ff848 for PDO 0x89cb4e38 ====第九个
InstancePath is "PCI\VEN_15AD&DEV_0790&SUBSYS_00000000&REV_02\3&61aaa01&0&88"
ServiceName is "pci"
State = DeviceNodeStarted (0x308)
Previous State = DeviceNodeEnumerateCompletion (0x30d)
