nt!PiProcessReenumeration函数中的PiMarkDeviceTreeForReenumeration
1: kd> kc
#
00 nt!PiProcessReenumeration
01 nt!PipDeviceActionWorker
02 nt!PipRequestDeviceAction
03 nt!IopInitializePlugPlayServices
04 nt!IoInitSystem
05 nt!Phase1Initialization
06 nt!PspSystemThreadStartup
07 nt!KiThreadStartup
1: kd> dv
Request = 0x89dc7b78
addContext = struct _ADD_CONTEXT
1: kd> dx -id 0,0,ffffffff89dd5240 -r1 ((ntkrnlmp!_PI_DEVICE_REQUEST *)0x89dc7b78)
((ntkrnlmp!_PI_DEVICE_REQUEST *)0x89dc7b78) : 0x89dc7b78 [Type: _PI_DEVICE_REQUEST *]
[+0x000] ListEntry [Type: _LIST_ENTRY]
[+0x008] DeviceObject : 0x89db9c00 : Device for "\Driver\PnpManager" [Type: _DEVICE_OBJECT *]
[+0x00c] RequestType : ReenumerateRootDevices (8) [Type: _DEVICE_REQUEST_TYPE]
[+0x010] ReorderingBarrier : 0x0 [Type: unsigned char]
[+0x014] RequestArgument : 0x0 [Type: unsigned long]
[+0x018] CompletionEvent : 0x0 [Type: _KEVENT *]
[+0x01c] CompletionStatus : 0x0 [Type: long *]
NTSTATUS
PiProcessReenumeration(
IN PPI_DEVICE_REQUEST Request
)
{
enumType = (Request->RequestType == ReenumerateDeviceOnly)? EnumTypeShallow : EnumTypeDeep;
PiMarkDeviceTreeForReenumeration(
deviceNode,
enumType != EnumTypeShallow ? TRUE : FALSE);
addContext.DriverStartType = SERVICE_DEMAND_START;
PipProcessDevNodeTree(
deviceNode,
PnPBootDriversInitialized, // LoadDriver
FALSE, // ReallocateResources
enumType,
TRUE, // Synchronous
FALSE,
&addContext,
Request);
return STATUS_SUCCESS;
}
1: kd> p
eax=00000308 ebx=00000002 ecx=00000000 edx=00000000 esi=89dc7b78 edi=89db9ac0
eip=80c954b9 esp=f789a5b0 ebp=f789a5c0 iopl=0 nv up ei pl nz na po nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000202
nt!PiProcessReenumeration+0x81:
80c954b9 83fb01 cmp ebx,1
1: kd> p
PiMarkDeviceTreeForReenumerationWorker: Reenumerating HTREE\ROOT\0
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\ACPI_HAL\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_AFD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_BEEP\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_CRCDISK\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_DMBOOT\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_DMLOAD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_FIPS\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_GPC\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_IPSEC\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_KSECDD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_MNMDD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_MOUNTMGR\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_NDIS\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_NDISTAPI\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_NDISUIO\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_NDPROXY\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_NETBT\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_NULL\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_PARTMGR\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_RASACD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_RDPCDD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_RDPWD\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_TCPIP\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_TDTCP\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_VGASAVE\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_VOLSNAP\0000
PiMarkDeviceTreeForReenumerationWorker: Reenumerating Root\LEGACY_WANARP\0000
eax=00000000 ebx=00000002 ecx=00000000 edx=00000000 esi=89dc7b78 edi=89db9ac0
eip=80c954c6 esp=f789a5b0 ebp=f789a5c0 iopl=0 nv up ei ng nz na pe nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000286
nt!PiProcessReenumeration+0x8e:
80c954c6 56 push esi
