HPET存在High Precision Event Timer高精度事件计时器 PNP0103返回到ACPI!ACPIBuildProcessGenericList

下面的都返回rc = 0n32772= 00008004

PE42

PE43

PE44
PE45

PE46
PE47

PE51
PE52
PE53
PE54
PE55
PE56
PE56

PE611: kd> g
Breakpoint 46 hit
eax=f7737538 ebx=8999c900 ecx=8999c8a0 edx=f7737120 esi=8999c8a0 edi=f7737120
eip=80a358c2 esp=f78fad18 ebp=f78fad48 iopl=0 nv up ei pl zr na pe nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000246
nt!KeWaitForMultipleObjects+0x3b0:
80a358c2 e8fde10000 call nt!KiSwapThread (80a43ac4)
1: kd> be 34
1: kd> be 43
1: kd> be 22

PE61
PE62
PE63
PE64
PE65
PE66
PE67

PE71
PE72
PE73
PE74
PE75
PE76
PE77

PE81
PE82
PE83
PE84
PE85
PE86
PE87

PE91
PE92
PE93
PE94
PE95
PE96
PE97

PEa1
PEa2
PEa3
PEa4
PEa5
PEa6
PEa7

PEb1
PEb2
PEb3
PEb4
PEb5
PEb6
PEb7

LNKA

Device (LNKA)
{
Name (_HID, EisaId ("PNP0C0F")) // _HID: Hardware ID

Method (_STA, 0, NotSerialized) // _STA: Status
{
If (And (PIRA, 0x80))
{
Return (0x09)
}

Return (0x0B)
}

LNKB

LNKC

LNKD

HPET 属于：\_SB.PCI0.ISA 存在！！！ High Precision Event Timer高精度事件计时器 PNP0103

1: kd> g
Breakpoint 34 hit
eax=00000001 ebx=f743a948 ecx=89853000 edx=89853000 esi=89853000 edi=89854f34
eip=f741d852 esp=f791ad04 ebp=f791ad1c 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!RunContext+0x142:
f741d852 e83bceffff call ACPI!AcquireMutex (f741a692)
1: kd> dv
pctxt = 0x00000000
pctxtSave = 0x00000000
pkthSave = 0x00000000
rc = 0n0

DevNode 0x89db3ee0 for PDO 0x89db3248
InstancePath is "ACPI\PNP0103\4&5289e18&0"
State = DeviceNodeInitialized (0x302)
Previous State = DeviceNodeUninitialized (0x301)
————————————————

1: kd> dx -r1 ((ACPI!_DEVICE_EXTENSION *)0x899ae690)
((ACPI!_DEVICE_EXTENSION *)0x899ae690) : 0x899ae690 [Type: _DEVICE_EXTENSION *]
[+0x000] Flags : 0x40000000000008 [Type: unsigned __int64]

1: kd> g
Breakpoint 42 hit
eax=00000004 ebx=00000004 ecx=899046d0 edx=00000001 esi=899046c0 edi=80b019f4
eip=f73fb911 esp=f78aef68 ebp=f78aef84 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!ACPIBuildProcessGenericList+0x4d:
f73fb911 ff55f4 call dword ptr [ebp-0Ch] ss:0010:f78aef78={ACPI!ACPIBuildProcessRunMethodPhaseCheckBridge (f73fbb44)}
1: kd> kc
#
00 ACPI!ACPIBuildProcessGenericList
01 ACPI!ACPIBuildDeviceDpc
02 nt!KiRetireDpcList
03 nt!KiDispatchInterrupt
WARNING: Frame IP not in any known module. Following frames may be wrong.
04 0x0