从ACPI!PciConfigSpaceHandlerWorker中的HalGetBusDataByOffset函数返回后到ACPI!IsPciBusAsyncWorker到ACPI!AmlisuppCompletePassive
} else {
//
// Do config space op through HAL
//
bytes = HalGetBusDataByOffset(PCIConfiguration,
state->Bus,
state->Slot.u.AsULONG,
state->Data,
state->Address,
state->Size); 返回到这里
}
break;
1: kd> p
eax=00000040 ebx=89986f88 ecx=00000000 edx=00000000 esi=00000000 edi=00000000
eip=f740d8c7 esp=f791ab90 ebp=f791abe0 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> kc
#
00 ACPI!PciConfigSpaceHandlerWorker
01 ACPI!GetPciAddressWorker
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
#define PCISUPP_COMPLETION_HANDLER_PFNAA 0
#define PCISUPP_COMPLETION_HANDLER_PFNACB 1
1: kd> dt PCI_CONFIG_STATE 89986f88
ACPI!PCI_CONFIG_STATE
+0x000 AccessType : 0
+0x004 OpRegion : 0x89986fc4 _NSObj
+0x008 Address : 0
+0x00c Size : 0x40 大小
+0x010 Data : 0x899c5240 -> 0x77015ad PCI配置空间数据
+0x014 Context : 0
+0x018 CompletionHandler : 0xf740dab2 Void ACPI!IsPciBusAsyncWorker
+0x01c CompletionContext : 0x899c5218 Void
+0x020 PciObj : 0x8996e010 _NSObj
+0x024 ParentObj : (null)
+0x028 CompletionHandlerType : 1 #define PCISUPP_COMPLETION_HANDLER_PFNACB 1
+0x02c Flags : 0x100
+0x030 RunCompletion : 0n1
+0x034 Slot : _PCI_SLOT_NUMBER 3 0
+0x038 Bus : 0x2 '' 2
+0x039 IsPciDeviceResult : 0 ''
1: kd> db 0x8996e010
8996e010 38 dc 96 89 e8 e3 96 89-78 cd 96 89 54 e0 96 89 8.......x...T...
8996e020 53 34 46 30 30 f3 9a 89-cc df 96 89 00 00 06 00 S4F00...........
8996e030 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................
8996e040 88 86 96 89 00 00 00 00-48 4e 53 4f 44 00 00 00 ........HNSOD...
8996e050 00 90 96 89 a4 e3 96 89-98 e0 96 89 10 e0 96 89 ................
8996e060 00 00 00 00 5f 41 44 52-30 f3 9a 89 10 e0 96 89 ...._ADR0.......
8996e070 00 00 01 00 00 00 00 00-00 00 03 00 00 00 00 00 ................
8996e080 00 00 00 00 00 00 00 00-00 00 00 00 48 4e 53 4f ............HNSO
PciConfigSpaceHandlerWorkerExit:
if (state->RunCompletion) {
if (state->CompletionHandlerType ==
PCISUPP_COMPLETION_HANDLER_PFNAA) {
simpleCompletion = (PFNAA)state->CompletionHandler;
simpleCompletion(state->CompletionContext);
} else { 这个：
lessSimpleCompletion = (PFNACB)state->CompletionHandler;
lessSimpleCompletion(state->PciObj,
status,
NULL,
state->CompletionContext);
}
1: kd> t
eax=00000040 ebx=89986f88 ecx=00000000 edx=00000000 esi=00000000 edi=00000000
eip=f740dab2 esp=f791ab7c ebp=f791abe0 iopl=0 nv up ei pl nz na po nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000202
ACPI!IsPciBusAsyncWorker:
f740dab2 55 push ebp
1: kd> kc
#
00 ACPI!IsPciBusAsyncWorker
01 ACPI!PciConfigSpaceHandlerWorker
02 ACPI!GetPciAddressWorker
03 ACPI!GetPciAddressWorker
04 ACPI!ACPIGetWorkerForInteger
05 ACPI!AsyncCallBack
06 ACPI!RunContext
07 ACPI!DispatchCtxtQueue
08 ACPI!StartTimeSlicePassive
09 ACPI!ACPIWorker
0a nt!PspSystemThreadStartup
0b nt!KiThreadStartup
1: kd> dv
AcpiObject = 0x8996e010
Status = 0n0
Result = 0x00000000
Context = 0x899c5218
status = 0n-1986244072
1: kd> dt IS_PCI_BUS_STATE 0x899c5218
ACPI!IS_PCI_BUS_STATE
+0x000 AcpiObject : 0x8996e010 _NSObj
+0x004 Flags : 0xcb
+0x008 Hid : (null)
+0x00c Cid : (null)
+0x010 Adr : 0x30000
+0x014 IsPciDevice : 0x1 ''
+0x018 RunCompletion : 0n2
+0x01c CompletionHandler : 0xf73fa3e2 void ACPI!AmlisuppCompletePassive+0
+0x020 CompletionContext : 0xf78f2cf4 Void
+0x024 Result : 0xf78f2d0b ""
+0x028 Buffer : [64] "???"
//
// If Status isn't success, then one of the worker
// functions we called puked. Bail.
//
if (!NT_SUCCESS(status)) {
*state->Result = FALSE;
goto IsPciBusAsyncExit;
}
if (state->IsPciDevice) {
#define PCISUPP_CHECKED_ADR 8
#define PCISUPP_CHECKED_PCI_BRIDGE 0x40
pciData = (PPCI_COMMON_CONFIG)state->Buffer;
if ((PCI_CONFIGURATION_TYPE(pciData) == PCI_BRIDGE_TYPE) ||
(PCI_CONFIGURATION_TYPE(pciData) == PCI_CARDBUS_BRIDGE_TYPE)) {
*state->Result = TRUE;
} else {
*state->Result = FALSE;
}
#define PCI_CONFIGURATION_TYPE(PciData) \
(((PPCI_COMMON_CONFIG)(PciData))->HeaderType & ~PCI_MULTIFUNCTION)
//
// Bit encodings for PCI_COMMON_CONFIG.HeaderType
//
#define PCI_MULTIFUNCTION 0x80
#define PCI_DEVICE_TYPE 0x00
#define PCI_BRIDGE_TYPE 0x01
#define PCI_CARDBUS_BRIDGE_TYPE 0x02
1: kd> dt IS_PCI_BUS_STATE 0x899c5218
ACPI!IS_PCI_BUS_STATE
+0x000 AcpiObject : 0x8996e010 _NSObj
+0x004 Flags : 0xcb
+0x008 Hid : (null)
+0x00c Cid : (null)
+0x010 Adr : 0x30000
+0x014 IsPciDevice : 0x1 ''
+0x018 RunCompletion : 0n3
+0x01c CompletionHandler : 0xf73fa3e2 void ACPI!AmlisuppCompletePassive+0
+0x020 CompletionContext : 0xf78f2cf4 Void
+0x024 Result : 0xf78f2d0b ""
+0x028 Buffer : [64] "???"
1: kd> dx -id 0,0,899a2278 -r1 ((ACPI!unsigned char *)0xf78f2d0b)
((ACPI!unsigned char *)0xf78f2d0b) : 0xf78f2d0b : 0x0 [Type: unsigned char *]
0x0 [Type: unsigned char]
if (state->RunCompletion) {
state->CompletionHandler(state->AcpiObject,
status,
NULL,
state->CompletionContext);
}
1: kd> t
Breakpoint 11 hit
eax=f78f2d0b ebx=00000000 ecx=8996e010 edx=00000000 esi=899c5218 edi=00000103
eip=f73fa3e2 esp=f791ab58 ebp=f791ab78 iopl=0 nv up ei pl nz na pe nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000206
ACPI!AmlisuppCompletePassive:
f73fa3e2 55 push ebp
1: kd> kc
#
00 ACPI!AmlisuppCompletePassive
01 ACPI!IsPciBusAsyncWorker
02 ACPI!PciConfigSpaceHandlerWorker
03 ACPI!GetPciAddressWorker
04 ACPI!GetPciAddressWorker
05 ACPI!ACPIGetWorkerForInteger
06 ACPI!AsyncCallBack
07 ACPI!RunContext
08 ACPI!DispatchCtxtQueue
09 ACPI!StartTimeSlicePassive
0a ACPI!ACPIWorker
0b nt!PspSystemThreadStartup
0c nt!KiThreadStartup
1: kd> dv
AcpiObject = 0x8996e010
Status = 0n0
Result = 0x00000000
Context = 0xf78f2cf4
1: kd> dt AMLISUPP_CONTEXT_PASSIVE 0xf78f2cf4
ACPI!AMLISUPP_CONTEXT_PASSIVE
+0x000 Event : _KEVENT
+0x010 Status : 0n-1073741275
1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_KEVENT *)0xf78f2cf4))
(*((ACPI!_KEVENT *)0xf78f2cf4)) [Type: _KEVENT]
[+0x000] Header [Type: _DISPATCHER_HEADER]
1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_DISPATCHER_HEADER *)0xf78f2cf4))
(*((ACPI!_DISPATCHER_HEADER *)0xf78f2cf4)) [Type: _DISPATCHER_HEADER]
[+0x000] Type : 0x1 [Type: unsigned char]
[+0x001] Absolute : 0x56 [Type: unsigned char]
[+0x002] Size : 0x4 [Type: unsigned char]
[+0x003] Inserted : 0x89 [Type: unsigned char]
[+0x003] DebugActive : 0x89 [Type: unsigned char]
[+0x000] Lock : -1996204543 [Type: long]
[+0x004] SignalState : 0 [Type: long]
[+0x008] WaitListHead [Type: _LIST_ENTRY]
1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_LIST_ENTRY *)0xf78f2cfc))
(*((ACPI!_LIST_ENTRY *)0xf78f2cfc)) [Type: _LIST_ENTRY]
[+0x000]Flink : 0x8999ce40[Type: _LIST_ENTRY *]
[+0x004] Blink : 0x8999ce40 [Type: _LIST_ENTRY *]
1: kd> !thread 0x8999ce40-a0
THREAD 8999cda0 Cid 0004.0050 Teb: 00000000 Win32Thread: 00000000 WAIT: (Executive) KernelMode Non-Alertable
f78f2cf4 SynchronizationEvent
Not impersonating
DeviceMap e10003d8
Owning Process 899a2278 Image: System
Attached Process N/A Image: N/A
Wait Start TickCount 274647699 Ticks: 285 (0:00:00:04.453)
Context Switch Count 64 IdealProcessor: 1
UserTime 00:00:00.000
KernelTime 00:00:00.078
Stack Init f78f3000 Current f78f2c4c Base f78f3000 Limit f78f0000 Call 00000000
Priority 12 BasePriority 12 PriorityDecrement 0 IoPriority 0 PagePriority 0
ChildEBP RetAddr Args to Child
f78f2c64 80a440eb 8999ce40 8999cda0 f78f2cf4 nt!KiSwapContext+0x26 (FPO: [Uses EBP] [0,0,4]) [d:\srv03rtm\base\ntos\ke\i386\ctxswap.asm @ 139]
f78f2c9c 80a35ea9 00000000 804edc6c 00000000 nt!KiSwapThread+0x627 (FPO: [Non-Fpo]) (CONV: fastcall) [d:\srv03rtm\base\ntos\ke\thredsup.c @ 2000]
f78f2cd0 f74486af f78f2cf4 00000000 00000000nt!KeWaitForSingleObject+0x2d7 (FPO: [Non-Fpo]) (CONV: stdcall) [d:\srv03rtm\base\ntos\ke\wait.c @ 1161]
f78f2d0c f744882d 8996e010 02000000 89968ea0ACPI!IsNsobjPciBus+0x7f(FPO: [Non-Fpo]) (CONV: stdcall) [d:\srv03rtm\base\busdrv\acpi\driver\nt\pciopregion.c @ 1987]
f78f2d48 f74413bd 8996cd78 00000001 8999cda0 ACPI!EnableDisableRegions+0xbd (FPO: [Non-Fpo]) (CONV: stdcall) [d:\srv03rtm\base\busdrv\acpi\driver\nt\pciopregion.c @ 2227]
f78f2d80 80af2bb9 895d8900 00000000 8999cda0 ACPI!ACPIFilterIrpStartDeviceWorker+0x163 (FPO: [Non-Fpo]) (CONV: stdcall) [d:\srv03rtm\base\busdrv\acpi\driver\nt\filter.c @ 1696]
f78f2dac 80d391f0 89968eb4 00000000 00000000 nt!ExpWorkerThread+0x10f (FPO: [Non-Fpo]) (CONV: stdcall) [d:\srv03rtm\base\ntos\ex\worker.c @ 1153]
f78f2ddc 80b00d52 80af2aaa 00000001 00000000 nt!PspSystemThreadStartup+0x2e (FPO: [Non-Fpo]) (CONV: stdcall) [d:\srv03rtm\base\ntos\ps\create.c @ 2213]
00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16 [d:\srv03rtm\base\ntos\ke\i386\threadbg.asm @ 81]
1: kd> p
Breakpoint 12 hit
eax=00000000 ebx=00000000 ecx=8996e010 edx=00000000 esi=f78f2cf4 edi=00000103
eip=80a34206 esp=f791ab40 ebp=f791ab54 iopl=0 nv up ei ng nz na po nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000282
nt!KeSetEvent:
80a34206 55 push ebp
1: kd> gu
Breakpoint 10 hit
eax=00000000 ebx=00000000 ecx=00000000 edx=80010031 esi=804edc6c edi=00000000
eip=f74486af esp=f78f2cec ebp=f78f2d0c iopl=0 nv up ei ng nz na pe cy
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000287
ACPI!IsNsobjPciBus+0x7f:
f74486af 8a45ff mov al,byte ptr [ebp-1] ss:0010:f78f2d0b=00
1: kd> kc
#
00 ACPI!IsNsobjPciBus
01 ACPI!EnableDisableRegions
02 ACPI!ACPIFilterIrpStartDeviceWorker
03 nt!ExpWorkerThread
04 nt!PspSystemThreadStartup
05 nt!KiThreadStartup
status =IsPciBusAsync( Device,
AmlisuppCompletePassive,
(PVOID)&getDataContext,
&result );
if (status == STATUS_PENDING) {
KeWaitForSingleObject(&getDataContext.Event,
Executive,
KernelMode,
FALSE,
NULL);
status = getDataContext.Status;
}
return result;
}
1: kd> dv
Device = 0x8996e010
result = 0x00 ''
getDataContext = struct AMLISUPP_CONTEXT_PASSIVE
1: kd> dx -r1 (*((ACPI!AMLISUPP_CONTEXT_PASSIVE *)0xf78f2cf4))
(*((ACPI!AMLISUPP_CONTEXT_PASSIVE *)0xf78f2cf4)) [Type: AMLISUPP_CONTEXT_PASSIVE]
[+0x000] Event [Type: _KEVENT]
[+0x010] Status : 0 [Type: long]
