Edit

Share via

HV_REGISTER_NAME

Virtual processor registers are uniquely identified by register names (32-bit identifiers).

Syntax

typedef enum
{
    // Register names, see below
} HV_REGISTER_NAME;

Common Registers (Architecture Neutral)

Suspend / Migration

Register Identifier Comment
HvRegisterExplicitSuspend 0x00000000 Explicit VP suspend (set/clear by caller)
HvRegisterInterceptSuspend 0x00000001 VP suspended due to intercept / hypervisor action
HvRegisterInstructionEmulationHints 0x00000002 Instruction emulation hints / statistics (if supported)
HvRegisterDispatchSuspend 0x00000003 Scheduler dispatch induced suspension
HvRegisterInternalActivityState 0x00000004 Internal state summary (read-only)

Version & Feature Discovery (128-bit unless noted)

Register Identifier Comment
HvRegisterHypervisorVersion 0x00000100 Matches CPUID 0x40000002
HvRegisterPrivilegesAndFeaturesInfo 0x00000200 Matches CPUID 0x40000003
HvRegisterFeaturesInfo 0x00000201 Matches CPUID 0x40000004
HvRegisterImplementationLimitsInfo 0x00000202 Matches CPUID 0x40000005
HvRegisterHardwareFeaturesInfo 0x00000203 Matches CPUID 0x40000006
HvRegisterCpuManagementFeaturesInfo 0x00000204 Matches CPUID 0x40000007
HvRegisterPasidFeaturesInfo 0x00000205 Matches CPUID 0x40000008
HvRegisterNestedVirtFeaturesInfo 0x00000207 Matches CPUID 0x4000000A
HvRegisterIptFeaturesInfo 0x00000208 Matches CPUID 0x4000000B

Guest Crash Registers

Register Identifier Comment
HvRegisterGuestCrashP0 0x00000210 Crash parameter 0
HvRegisterGuestCrashP1 0x00000211 Crash parameter 1
HvRegisterGuestCrashP2 0x00000212 Crash parameter 2
HvRegisterGuestCrashP3 0x00000213 Crash parameter 3
HvRegisterGuestCrashP4 0x00000214 Crash parameter 4
HvRegisterGuestCrashCtl 0x00000215 Crash control / notification

Frequency / Timing

Register Identifier Comment
HvRegisterProcessorClockFrequency 0x00000240 Nominal core frequency (kHz)
HvRegisterInterruptClockFrequency 0x00000241 Timer frequency (kHz)

Idle & Debug

Register Identifier Comment
HvRegisterGuestIdle 0x00000250 Guest idle hint / residency info
HvRegisterDebugDeviceOptions 0x00000260 Debug / device options
HvRegisterMemoryZeroingControl 0x00000270 Memory zeroing behavior control

Pending Events & Interrupt State (common encodings differ per arch)

Register Identifier Comment
HvRegisterPendingEvent0 0x00010004 Pending event slot 0
HvRegisterPendingEvent1 0x00010005 Pending event slot 1
HvRegisterDeliverabilityNotifications 0x00010006 Deliverability notification bitmap
HvRegisterPendingEvent2 0x00010008 Pending event slot 2
HvRegisterPendingEvent3 0x00010009 Pending event slot 3

Runtime / Context

Register Identifier Comment
HvRegisterVpRuntime 0x00090000 VP runtime (time units)
HvRegisterGuestOsId 0x00090002 Guest OS identification
HvRegisterVpIndex 0x00090003 VP index (read-only)
HvRegisterTimeRefCount 0x00090004 Time reference counter
HvRegisterCpuManagementVersion 0x00090007 CPU management interface version
HvRegisterVpAssistPage 0x00090013 VP assist page GPA
HvRegisterVpRootSignalCount 0x00090014 Root signal count
HvRegisterReferenceTsc 0x00090017 Reference TSC page GPA
HvRegisterReferenceTscSequence 0x0009001A Reference TSC sequence
HvRegisterNestedVpIndex 0x00091003 Nested VP index

Performance Statistics

Register Identifier Comment
HvRegisterStatsPartitionRetail 0x00090020 Partition stats (retail subset)
HvRegisterStatsVpRetail 0x00090022 VP stats (retail)

Synthetic Interrupt Controller (SynIC) – Primary

Register Identifier Comment
HvRegisterSint0 0x000A0000 Synthetic interrupt vector 0
HvRegisterSint1 0x000A0001 Synthetic interrupt vector 1
HvRegisterSint2 0x000A0002 Synthetic interrupt vector 2
HvRegisterSint3 0x000A0003 Synthetic interrupt vector 3
HvRegisterSint4 0x000A0004 Synthetic interrupt vector 4
HvRegisterSint5 0x000A0005 Synthetic interrupt vector 5
HvRegisterSint6 0x000A0006 Synthetic interrupt vector 6
HvRegisterSint7 0x000A0007 Synthetic interrupt vector 7
HvRegisterSint8 0x000A0008 Synthetic interrupt vector 8
HvRegisterSint9 0x000A0009 Synthetic interrupt vector 9
HvRegisterSint10 0x000A000A Synthetic interrupt vector 10
HvRegisterSint11 0x000A000B Synthetic interrupt vector 11
HvRegisterSint12 0x000A000C Synthetic interrupt vector 12
HvRegisterSint13 0x000A000D Synthetic interrupt vector 13
HvRegisterSint14 0x000A000E Synthetic interrupt vector 14
HvRegisterSint15 0x000A000F Synthetic interrupt vector 15
HvRegisterScontrol 0x000A0010 SynIC control
HvRegisterSversion 0x000A0011 SynIC version
HvRegisterSifp 0x000A0012 SynIC EOI/FIFO page
HvRegisterSipp 0x000A0013 SynIC interrupt parameter page
HvRegisterEom 0x000A0014 End-of-message
HvRegisterSirbp 0x000A0015 Resend bitmap pointer

Synthetic Timers

Register Identifier Comment
HvRegisterStimer0Config 0x000B0000 Timer 0 config
HvRegisterStimer0Count 0x000B0001 Timer 0 count
HvRegisterStimer1Config 0x000B0002 Timer 1 config
HvRegisterStimer1Count 0x000B0003 Timer 1 count
HvRegisterStimer2Config 0x000B0004 Timer 2 config
HvRegisterStimer2Count 0x000B0005 Timer 2 count
HvRegisterStimer3Config 0x000B0006 Timer 3 config
HvRegisterStimer3Count 0x000B0007 Timer 3 count
HvRegisterStimeUnhaltedTimerConfig 0x000B0100 Unhalted timer config
HvRegisterStimeUnhaltedTimerCount 0x000B0101 Unhalted timer count

Virtual Secure Mode (VSM) / Isolation

Register Identifier Comment
HvRegisterVsmCodePageOffsets 0x000D0002 VSM code page offsets
HvRegisterVsmVpStatus 0x000D0003 VSM VP status
HvRegisterVsmPartitionStatus 0x000D0004 VSM partition status
HvRegisterVsmVina 0x000D0005 VSM VINA
HvRegisterVsmCapabilities 0x000D0006 VSM capability bits
HvRegisterVsmPartitionConfig 0x000D0007 VSM partition config
HvRegisterVsmVpSecureConfigVtl0 0x000D0010 Secure config VTL0
HvRegisterVsmVpSecureConfigVtl1 0x000D0011 Secure config VTL1
HvRegisterVsmVpSecureConfigVtl2 0x000D0012 Secure config VTL2
HvRegisterVsmVpSecureConfigVtl3 0x000D0013 Secure config VTL3
HvRegisterVsmVpSecureConfigVtl4 0x000D0014 Secure config VTL4
HvRegisterVsmVpSecureConfigVtl5 0x000D0015 Secure config VTL5
HvRegisterVsmVpSecureConfigVtl6 0x000D0016 Secure config VTL6
HvRegisterVsmVpSecureConfigVtl7 0x000D0017 Secure config VTL7
HvRegisterVsmVpSecureConfigVtl8 0x000D0018 Secure config VTL8
HvRegisterVsmVpSecureConfigVtl9 0x000D0019 Secure config VTL9
HvRegisterVsmVpSecureConfigVtl10 0x000D001A Secure config VTL10
HvRegisterVsmVpSecureConfigVtl11 0x000D001B Secure config VTL11
HvRegisterVsmVpSecureConfigVtl12 0x000D001C Secure config VTL12
HvRegisterVsmVpSecureConfigVtl13 0x000D001D Secure config VTL13
HvRegisterVsmVpSecureConfigVtl14 0x000D001E Secure config VTL14
HvRegisterVsmVpWaitForTlbLock 0x000D0020 Wait for TLB lock (synchronization)
HvRegisterIsolationCapabilities 0x000D0100 Isolation capability bits

x64 Architecture Registers

Interrupt & Pending State (x64 additions)

Register Identifier Comment
HvRegisterPendingInterruption 0x00010002 Pending interruption descriptor
HvRegisterInterruptState 0x00010003 Interrupt state flags
HvX64RegisterPendingDebugException 0x00010007 Pending debug exception info

General Purpose & Instruction State

Register Identifier Comment
HvX64RegisterRax 0x00020000 RAX
HvX64RegisterRcx 0x00020001 RCX
HvX64RegisterRdx 0x00020002 RDX
HvX64RegisterRbx 0x00020003 RBX
HvX64RegisterRsp 0x00020004 RSP
HvX64RegisterRbp 0x00020005 RBP
HvX64RegisterRsi 0x00020006 RSI
HvX64RegisterRdi 0x00020007 RDI
HvX64RegisterR8 0x00020008 R8
HvX64RegisterR9 0x00020009 R9
HvX64RegisterR10 0x0002000A R10
HvX64RegisterR11 0x0002000B R11
HvX64RegisterR12 0x0002000C R12
HvX64RegisterR13 0x0002000D R13
HvX64RegisterR14 0x0002000E R14
HvX64RegisterR15 0x0002000F R15
HvX64RegisterRip 0x00020010 RIP
HvX64RegisterRflags 0x00020011 RFLAGS

Floating Point / SIMD

Register Identifier Comment
HvX64RegisterXmm0 0x00030000 XMM0
HvX64RegisterXmm1 0x00030001 XMM1
HvX64RegisterXmm2 0x00030002 XMM2
HvX64RegisterXmm3 0x00030003 XMM3
HvX64RegisterXmm4 0x00030004 XMM4
HvX64RegisterXmm5 0x00030005 XMM5
HvX64RegisterXmm6 0x00030006 XMM6
HvX64RegisterXmm7 0x00030007 XMM7
HvX64RegisterXmm8 0x00030008 XMM8
HvX64RegisterXmm9 0x00030009 XMM9
HvX64RegisterXmm10 0x0003000A XMM10
HvX64RegisterXmm11 0x0003000B XMM11
HvX64RegisterXmm12 0x0003000C XMM12
HvX64RegisterXmm13 0x0003000D XMM13
HvX64RegisterXmm14 0x0003000E XMM14
HvX64RegisterXmm15 0x0003000F XMM15
HvX64RegisterFpMmx0 0x00030010 ST0 / MMX0
HvX64RegisterFpMmx1 0x00030011 ST1 / MMX1
HvX64RegisterFpMmx2 0x00030012 ST2 / MMX2
HvX64RegisterFpMmx3 0x00030013 ST3 / MMX3
HvX64RegisterFpMmx4 0x00030014 ST4 / MMX4
HvX64RegisterFpMmx5 0x00030015 ST5 / MMX5
HvX64RegisterFpMmx6 0x00030016 ST6 / MMX6
HvX64RegisterFpMmx7 0x00030017 ST7 / MMX7
HvX64RegisterFpControlStatus 0x00030018 x87 control/status
HvX64RegisterXmmControlStatus 0x00030019 MXCSR

Control & Intermediate Control Registers

Register Identifier Comment
HvX64RegisterCr0 0x00040000 CR0
HvX64RegisterCr2 0x00040001 CR2
HvX64RegisterCr3 0x00040002 CR3
HvX64RegisterCr4 0x00040003 CR4
HvX64RegisterCr8 0x00040004 CR8
HvX64RegisterXfem 0x00040005 Extended feature enable mask
HvX64RegisterIntermediateCr0 0x00041000 Virtualization shadow CR0
HvX64RegisterIntermediateCr4 0x00041003 Virtualization shadow CR4
HvX64RegisterIntermediateCr8 0x00041004 Virtualization shadow CR8

Debug Registers

Register Identifier Comment
HvX64RegisterDr0 0x00050000 DR0
HvX64RegisterDr1 0x00050001 DR1
HvX64RegisterDr2 0x00050002 DR2
HvX64RegisterDr3 0x00050003 DR3
HvX64RegisterDr6 0x00050004 DR6
HvX64RegisterDr7 0x00050005 DR7

Segment Registers

Register Identifier Comment
HvX64RegisterEs 0x00060000 ES
HvX64RegisterCs 0x00060001 CS
HvX64RegisterSs 0x00060002 SS
HvX64RegisterDs 0x00060003 DS
HvX64RegisterFs 0x00060004 FS
HvX64RegisterGs 0x00060005 GS
HvX64RegisterLdtr 0x00060006 LDTR
HvX64RegisterTr 0x00060007 Task register

Table Registers

Register Identifier Comment
HvX64RegisterIdtr 0x00070000 IDT descriptor
HvX64RegisterGdtr 0x00070001 GDT descriptor

Virtualized MSRs – Core & System

Register Identifier Comment
HvX64RegisterTsc 0x00080000 TSC
HvX64RegisterEfer 0x00080001 EFER
HvX64RegisterKernelGsBase 0x00080002 KERNEL_GS_BASE
HvX64RegisterApicBase 0x00080003 APIC_BASE
HvX64RegisterPat 0x00080004 PAT
HvX64RegisterSysenterCs 0x00080005 SYSENTER_CS
HvX64RegisterSysenterEip 0x00080006 SYSENTER_EIP
HvX64RegisterSysenterEsp 0x00080007 SYSENTER_ESP
HvX64RegisterStar 0x00080008 STAR
HvX64RegisterLstar 0x00080009 LSTAR
HvX64RegisterCstar 0x0008000A CSTAR
HvX64RegisterSfmask 0x0008000B SFMASK
HvX64RegisterInitialApicId 0x0008000C Initial APIC ID

Cache Control (MTRR Set)

Register Identifier Comment
HvX64RegisterMsrMtrrCap 0x0008000D MTRR capability
HvX64RegisterMsrMtrrDefType 0x0008000E Default type
HvX64RegisterMsrMtrrPhysBase0 0x00080010 Variable range base 0
HvX64RegisterMsrMtrrPhysBase1 0x00080011 Variable range base 1
HvX64RegisterMsrMtrrPhysBase2 0x00080012 Variable range base 2
HvX64RegisterMsrMtrrPhysBase3 0x00080013 Variable range base 3
HvX64RegisterMsrMtrrPhysBase4 0x00080014 Variable range base 4
HvX64RegisterMsrMtrrPhysBase5 0x00080015 Variable range base 5
HvX64RegisterMsrMtrrPhysBase6 0x00080016 Variable range base 6
HvX64RegisterMsrMtrrPhysBase7 0x00080017 Variable range base 7
HvX64RegisterMsrMtrrPhysBase8 0x00080018 Variable range base 8
HvX64RegisterMsrMtrrPhysBase9 0x00080019 Variable range base 9
HvX64RegisterMsrMtrrPhysBaseA 0x0008001A Variable range base A
HvX64RegisterMsrMtrrPhysBaseB 0x0008001B Variable range base B
HvX64RegisterMsrMtrrPhysBaseC 0x0008001C Variable range base C
HvX64RegisterMsrMtrrPhysBaseD 0x0008001D Variable range base D
HvX64RegisterMsrMtrrPhysBaseE 0x0008001E Variable range base E
HvX64RegisterMsrMtrrPhysBaseF 0x0008001F Variable range base F
HvX64RegisterMsrMtrrPhysMask0 0x00080040 Variable range mask 0
HvX64RegisterMsrMtrrPhysMask1 0x00080041 Variable range mask 1
HvX64RegisterMsrMtrrPhysMask2 0x00080042 Variable range mask 2
HvX64RegisterMsrMtrrPhysMask3 0x00080043 Variable range mask 3
HvX64RegisterMsrMtrrPhysMask4 0x00080044 Variable range mask 4
HvX64RegisterMsrMtrrPhysMask5 0x00080045 Variable range mask 5
HvX64RegisterMsrMtrrPhysMask6 0x00080046 Variable range mask 6
HvX64RegisterMsrMtrrPhysMask7 0x00080047 Variable range mask 7
HvX64RegisterMsrMtrrPhysMask8 0x00080048 Variable range mask 8
HvX64RegisterMsrMtrrPhysMask9 0x00080049 Variable range mask 9
HvX64RegisterMsrMtrrPhysMaskA 0x0008004A Variable range mask A
HvX64RegisterMsrMtrrPhysMaskB 0x0008004B Variable range mask B
HvX64RegisterMsrMtrrPhysMaskC 0x0008004C Variable range mask C
HvX64RegisterMsrMtrrPhysMaskD 0x0008004D Variable range mask D
HvX64RegisterMsrMtrrPhysMaskE 0x0008004E Variable range mask E
HvX64RegisterMsrMtrrPhysMaskF 0x0008004F Variable range mask F
HvX64RegisterMsrMtrrFix64k00000 0x00080070 Fixed range
HvX64RegisterMsrMtrrFix16k80000 0x00080071 Fixed range
HvX64RegisterMsrMtrrFix16kA0000 0x00080072 Fixed range
HvX64RegisterMsrMtrrFix4kC0000 0x00080073 Fixed 4K C0000
HvX64RegisterMsrMtrrFix4kC8000 0x00080074 Fixed 4K C8000
HvX64RegisterMsrMtrrFix4kD0000 0x00080075 Fixed 4K D0000
HvX64RegisterMsrMtrrFix4kD8000 0x00080076 Fixed 4K D8000
HvX64RegisterMsrMtrrFix4kE0000 0x00080077 Fixed 4K E0000
HvX64RegisterMsrMtrrFix4kE8000 0x00080078 Fixed 4K E8000
HvX64RegisterMsrMtrrFix4kF0000 0x00080079 Fixed 4K F0000
HvX64RegisterMsrMtrrFix4kF8000 0x0008007A Fixed 4K F8000

Additional Virtualized MSRs & Controls

Register Identifier Comment
HvX64RegisterTscAux 0x0008007B TSC_AUX
HvX64RegisterBndcfgs 0x0008007C MPX BNDcfgs
HvX64RegisterDebugCtl 0x0008007D DEBUGCTL
HvX64RegisterMCount 0x0008007E Machine count (internal)
HvX64RegisterACount 0x0008007F Auxiliary count (internal)
HvX64RegisterSgxLaunchControl0 0x00080080 SGX launch control 0
HvX64RegisterSgxLaunchControl1 0x00080081 SGX launch control 1
HvX64RegisterSgxLaunchControl2 0x00080082 SGX launch control 2
HvX64RegisterSgxLaunchControl3 0x00080083 SGX launch control 3
HvX64RegisterSpecCtrl 0x00080084 IA32_SPEC_CTRL
HvX64RegisterPredCmd 0x00080085 IA32_PRED_CMD
HvX64RegisterVirtSpecCtrl 0x00080086 Virtual spec control
HvX64RegisterTscVirtualOffset 0x00080087 Virtual TSC offset
HvX64RegisterTsxCtrl 0x00080088 TSX control
HvX64RegisterXss 0x0008008B IA32_XSS
HvX64RegisterUCet 0x0008008C User CET
HvX64RegisterSCet 0x0008008D Supervisor CET
HvX64RegisterSsp 0x0008008E Shadow stack pointer
HvX64RegisterPl0Ssp 0x0008008F PL0 shadow stack pointer
HvX64RegisterPl1Ssp 0x00080090 PL1 shadow stack pointer
HvX64RegisterPl2Ssp 0x00080091 PL2 shadow stack pointer
HvX64RegisterPl3Ssp 0x00080092 PL3 shadow stack pointer
HvX64RegisterInterruptSspTableAddr 0x00080093 IST-like SSP table
HvX64RegisterTscDeadline 0x00080095 TSC deadline
HvX64RegisterTscAdjust 0x00080096 TSC adjust
HvX64RegisterUmwaitControl 0x00080098 UMWAIT/TPAUSE control
HvX64RegisterXfd 0x00080099 XFD
HvX64RegisterXfdErr 0x0008009A XFD error status

Feature / Nested Virtualization Capability MSRs

Register Identifier Comment
HvX64RegisterMsrIa32MiscEnable 0x000800A0 IA32_MISC_ENABLE
HvX64RegisterIa32FeatureControl 0x000800A1 IA32_FEATURE_CONTROL
HvX64RegisterIa32VmxBasic 0x000800A2 VMX Basic
HvX64RegisterIa32VmxPinbasedCtls 0x000800A3 VMX Pinbased controls
HvX64RegisterIa32VmxExitCtls 0x000800A5 VMX Exit controls
HvX64RegisterIa32VmxEntryCtls 0x000800A6 VMX Entry controls
HvX64RegisterIa32VmxMisc 0x000800A7 VMX misc
HvX64RegisterIa32VmxCr0Fixed0 0x000800A8 VMX CR0 fixed0
HvX64RegisterIa32VmxCr0Fixed1 0x000800A9 VMX CR0 fixed1
HvX64RegisterIa32VmxCr4Fixed0 0x000800AA VMX CR4 fixed0
HvX64RegisterIa32VmxCr4Fixed1 0x000800AB VMX CR4 fixed1
HvX64RegisterIa32VmxVmcsEnum 0x000800AC VMX VMCS enum
HvX64RegisterIa32VmxProcbasedCtls2 0x000800AD Secondary proc-based controls
HvX64RegisterIa32VmxEptVpidCap 0x000800AE EPT/VPID capabilities
HvX64RegisterIa32VmxTruePinbasedCtls 0x000800AF VMX True pinbased controls
HvX64RegisterIa32VmxTrueProcbasedCtls 0x000800B0 VMX True primary proc-based controls
HvX64RegisterIa32VmxTrueExitCtls 0x000800B1 VMX True exit controls
HvX64RegisterIa32VmxTrueEntryCtls 0x000800B2 VMX True entry controls
HvX64RegisterAmdVmHsavePa 0x000800B3 SVM HSAVE PA
HvX64RegisterAmdVmCr 0x000800B4 SVM VM_CR

Performance Monitoring & Tracing

Register Identifier Comment
HvX64RegisterPerfGlobalCtrl 0x00081000 Perf global control
HvX64RegisterPerfGlobalStatus 0x00081001 Perf global status
HvX64RegisterPerfGlobalInUse 0x00081002 Perf in-use mask
HvX64RegisterFixedCtrCtrl 0x00081003 Fixed counter control
HvX64RegisterDsArea 0x00081004 DS area base
HvX64RegisterPebsEnable 0x00081005 PEBS enable
HvX64RegisterPebsLdLat 0x00081006 PEBS load latency
HvX64RegisterPebsFrontend 0x00081007 PEBS frontend
HvX64RegisterRtitCtl 0x00081008 PT control
HvX64RegisterRtitStatus 0x00081009 PT status
HvX64RegisterRtitOutputBase 0x0008100A PT output base
HvX64RegisterRtitOutputMaskPtrs 0x0008100B PT output mask/ptrs
HvX64RegisterRtitCr3Match 0x0008100C PT CR3 match
HvX64RegisterPerfEvtSel0 0x00081100 First programmable event select
HvX64RegisterPmc0 0x00081200 First PMC
HvX64RegisterFixedCtr0 0x00081300 Fixed counter 0
HvX64RegisterLbrTos 0x00082000 LBR top of stack
HvX64RegisterLbrSelect 0x00082001 LBR select
HvX64RegisterLerFromLip 0x00082002 Last exception from
HvX64RegisterLerToLip 0x00082003 Last exception to
HvX64RegisterLbrFrom0 0x00082100 LBR from 0
HvX64RegisterLbrTo0 0x00082200 LBR to 0
HvX64RegisterLbrInfo0 0x00083300 LBR info 0

APIC (x2APIC Mapped) Registers

Register Identifier Comment
HvX64RegisterApicId 0x00084802 APIC ID
HvX64RegisterApicVersion 0x00084803 APIC version
HvX64RegisterApicTpr 0x00084808 Task priority
HvX64RegisterApicPpr 0x0008480A Processor priority
HvX64RegisterApicEoi 0x0008480B End of interrupt
HvX64RegisterApicLdr 0x0008480D Logical dest
HvX64RegisterApicSpurious 0x0008480F Spurious vector
HvX64RegisterApicIsr0 0x00084810 In-service 0
HvX64RegisterApicIsr1 0x00084811 In-service 1
HvX64RegisterApicIsr2 0x00084812 In-service 2
HvX64RegisterApicIsr3 0x00084813 In-service 3
HvX64RegisterApicIsr4 0x00084814 In-service 4
HvX64RegisterApicIsr5 0x00084815 In-service 5
HvX64RegisterApicIsr6 0x00084816 In-service 6
HvX64RegisterApicIsr7 0x00084817 In-service 7
HvX64RegisterApicTmr0 0x00084818 Trigger mode 0
HvX64RegisterApicTmr1 0x00084819 Trigger mode 1
HvX64RegisterApicTmr2 0x0008481A Trigger mode 2
HvX64RegisterApicTmr3 0x0008481B Trigger mode 3
HvX64RegisterApicTmr4 0x0008481C Trigger mode 4
HvX64RegisterApicTmr5 0x0008481D Trigger mode 5
HvX64RegisterApicTmr6 0x0008481E Trigger mode 6
HvX64RegisterApicTmr7 0x0008481F Trigger mode 7
HvX64RegisterApicIrr0 0x00084820 Interrupt request 0
HvX64RegisterApicIrr1 0x00084821 Interrupt request 1
HvX64RegisterApicIrr2 0x00084822 Interrupt request 2
HvX64RegisterApicIrr3 0x00084823 Interrupt request 3
HvX64RegisterApicIrr4 0x00084824 Interrupt request 4
HvX64RegisterApicIrr5 0x00084825 Interrupt request 5
HvX64RegisterApicIrr6 0x00084826 Interrupt request 6
HvX64RegisterApicIrr7 0x00084827 Interrupt request 7
HvX64RegisterApicEse 0x00084828 Extended state enable
HvX64RegisterApicIcr 0x00084830 Interrupt command
HvX64RegisterApicLvtTimer 0x00084832 LVT Timer
HvX64RegisterApicLvtThermal 0x00084833 LVT Thermal
HvX64RegisterApicLvtPerfmon 0x00084834 LVT PerfMon
HvX64RegisterApicLvtLint0 0x00084835 LVT LINT0
HvX64RegisterApicLvtLint1 0x00084836 LVT LINT1
HvX64RegisterApicLvtError 0x00084837 LVT Error
HvX64RegisterApicInitCount 0x00084838 Timer initial count
HvX64RegisterApicCurrentCount 0x00084839 Timer current count
HvX64RegisterApicDivide 0x0008483E Divide config
HvX64RegisterApicSelfIpi 0x0008483F Self IPI

Hypervisor-defined (Misc) & Synthetic MSRs

Register Identifier Comment
HvX64RegisterHypercall 0x00090001 Hypercall control MSR
HvX64RegisterSyntheticEoi 0x00090010 Synthetic EOI
HvX64RegisterSyntheticIcr 0x00090011 Synthetic ICR
HvX64RegisterSyntheticTpr 0x00090012 Synthetic TPR
HvX64RegisterEmulatedTimerPeriod 0x00090030 Timer assist period
HvX64RegisterEmulatedTimerControl 0x00090031 Timer assist control
HvX64RegisterPmTimerAssist 0x00090032 PM timer assist

AMD SEV Configuration

Register Identifier Comment
HvX64RegisterSevControl 0x00090040 SEV control
HvX64RegisterSevGhcbGpa 0x00090041 GHCB GPA
HvX64RegisterSevAvicGpa 0x00090043 See HV_X64_REGISTER_SEV_GPA_PAGE

Nested State

Register Identifier Comment
HvX64RegisterNestedGuestState 0x00090050 Nested guest state blob
HvX64RegisterNestedCurrentVmGpa 0x00090051 Current nested VM GPA
HvX64RegisterNestedVmxInvEpt 0x00090052 INV_EPT descriptor
HvX64RegisterNestedVmxInvVpid 0x00090053 INV_VPID descriptor

Intercept Control

Register Identifier Comment
HvX64RegisterCrInterceptControl 0x000E0000 Intercept control mask
HvX64RegisterCrInterceptCr0Mask 0x000E0001 CR0 intercept mask
HvX64RegisterCrInterceptCr4Mask 0x000E0002 CR4 intercept mask
HvX64RegisterCrInterceptIa32MiscEnableMask 0x000E0003 IA32_MISC_ENABLE intercept mask

x64 GHCB (SEV-ES/SNP)

Register Identifier Comment
HvX64RegisterGhcb 0x00090019 GHCB MSR proxy (guest)

ARM64 Architecture Registers

Deprecated registers are documented for compatibility with older OS releases.

General Purpose

Register Identifier Comment
HvArm64RegisterX0 0x00020000 X0
HvArm64RegisterX1 0x00020001 X1
HvArm64RegisterX2 0x00020002 X2
HvArm64RegisterX3 0x00020003 X3
HvArm64RegisterX4 0x00020004 X4
HvArm64RegisterX5 0x00020005 X5
HvArm64RegisterX6 0x00020006 X6
HvArm64RegisterX7 0x00020007 X7
HvArm64RegisterX8 0x00020008 X8
HvArm64RegisterX9 0x00020009 X9
HvArm64RegisterX10 0x0002000A X10
HvArm64RegisterX11 0x0002000B X11
HvArm64RegisterX12 0x0002000C X12
HvArm64RegisterX13 0x0002000D X13
HvArm64RegisterX14 0x0002000E X14
HvArm64RegisterX15 0x0002000F X15
HvArm64RegisterX16 0x00020010 X16
HvArm64RegisterX17 0x00020011 X17
HvArm64RegisterX18 0x00020012 X18
HvArm64RegisterX19 0x00020013 X19
HvArm64RegisterX20 0x00020014 X20
HvArm64RegisterX21 0x00020015 X21
HvArm64RegisterX22 0x00020016 X22
HvArm64RegisterX23 0x00020017 X23
HvArm64RegisterX24 0x00020018 X24
HvArm64RegisterX25 0x00020019 X25
HvArm64RegisterX26 0x0002001A X26
HvArm64RegisterX27 0x0002001B X27
HvArm64RegisterX28 0x0002001C X28
HvArm64RegisterFp (X29) 0x0002001D Frame pointer
HvArm64RegisterLr (X30) 0x0002001E Link register
HvArm64RegisterSp 0x0002001F Stack pointer (Deprecated)
HvArm64RegisterSpEl0 0x00020020 SP_EL0 (Deprecated)
HvArm64RegisterSpEl1 0x00020021 SP_EL1 (Deprecated)
HvArm64RegisterPc 0x00020022 Program counter
HvArm64RegisterXzr 0x0002FFFE Zero register

Floating Point / SIMD / SVE

Register Identifier Comment
HvArm64RegisterQ0 0x00030000 Q0
HvArm64RegisterQ1 0x00030001 Q1
HvArm64RegisterQ2 0x00030002 Q2
HvArm64RegisterQ3 0x00030003 Q3
HvArm64RegisterQ4 0x00030004 Q4
HvArm64RegisterQ5 0x00030005 Q5
HvArm64RegisterQ6 0x00030006 Q6
HvArm64RegisterQ7 0x00030007 Q7
HvArm64RegisterQ8 0x00030008 Q8
HvArm64RegisterQ9 0x00030009 Q9
HvArm64RegisterQ10 0x0003000A Q10
HvArm64RegisterQ11 0x0003000B Q11
HvArm64RegisterQ12 0x0003000C Q12
HvArm64RegisterQ13 0x0003000D Q13
HvArm64RegisterQ14 0x0003000E Q14
HvArm64RegisterQ15 0x0003000F Q15
HvArm64RegisterQ16 0x00030010 Q16
HvArm64RegisterQ17 0x00030011 Q17
HvArm64RegisterQ18 0x00030012 Q18
HvArm64RegisterQ19 0x00030013 Q19
HvArm64RegisterQ20 0x00030014 Q20
HvArm64RegisterQ21 0x00030015 Q21
HvArm64RegisterQ22 0x00030016 Q22
HvArm64RegisterQ23 0x00030017 Q23
HvArm64RegisterQ24 0x00030018 Q24
HvArm64RegisterQ25 0x00030019 Q25
HvArm64RegisterQ26 0x0003001A Q26
HvArm64RegisterQ27 0x0003001B Q27
HvArm64RegisterQ28 0x0003001C Q28
HvArm64RegisterQ29 0x0003001D Q29
HvArm64RegisterQ30 0x0003001E Q30
HvArm64RegisterQ31 0x0003001F Q31
HvArm64RegisterZ0 0x00030100 Z0
HvArm64RegisterZ1 0x00030101 Z1
HvArm64RegisterZ2 0x00030102 Z2
HvArm64RegisterZ3 0x00030103 Z3
HvArm64RegisterZ4 0x00030104 Z4
HvArm64RegisterZ5 0x00030105 Z5
HvArm64RegisterZ6 0x00030106 Z6
HvArm64RegisterZ7 0x00030107 Z7
HvArm64RegisterZ8 0x00030108 Z8
HvArm64RegisterZ9 0x00030109 Z9
HvArm64RegisterZ10 0x0003010A Z10
HvArm64RegisterZ11 0x0003010B Z11
HvArm64RegisterZ12 0x0003010C Z12
HvArm64RegisterZ13 0x0003010D Z13
HvArm64RegisterZ14 0x0003010E Z14
HvArm64RegisterZ15 0x0003010F Z15
HvArm64RegisterZ16 0x00030110 Z16
HvArm64RegisterZ17 0x00030111 Z17
HvArm64RegisterZ18 0x00030112 Z18
HvArm64RegisterZ19 0x00030113 Z19
HvArm64RegisterZ20 0x00030114 Z20
HvArm64RegisterZ21 0x00030115 Z21
HvArm64RegisterZ22 0x00030116 Z22
HvArm64RegisterZ23 0x00030117 Z23
HvArm64RegisterZ24 0x00030118 Z24
HvArm64RegisterZ25 0x00030119 Z25
HvArm64RegisterZ26 0x0003011A Z26
HvArm64RegisterZ27 0x0003011B Z27
HvArm64RegisterZ28 0x0003011C Z28
HvArm64RegisterZ29 0x0003011D Z29
HvArm64RegisterZ30 0x0003011E Z30
HvArm64RegisterZ31 0x0003011F Z31
HvArm64RegisterP0 0x00030120 P0
HvArm64RegisterP1 0x00030121 P1
HvArm64RegisterP2 0x00030122 P2
HvArm64RegisterP3 0x00030123 P3
HvArm64RegisterP4 0x00030124 P4
HvArm64RegisterP5 0x00030125 P5
HvArm64RegisterP6 0x00030126 P6
HvArm64RegisterP7 0x00030127 P7
HvArm64RegisterP8 0x00030128 P8
HvArm64RegisterP9 0x00030129 P9
HvArm64RegisterP10 0x0003012A P10
HvArm64RegisterP11 0x0003012B P11
HvArm64RegisterP12 0x0003012C P12
HvArm64RegisterP13 0x0003012D P13
HvArm64RegisterP14 0x0003012E P14
HvArm64RegisterP15 0x0003012F P15
HvArm64RegisterFFR 0x00030130 SVE first-fault predicate

Special Purpose / Status

Register Identifier Comment
HvArm64RegisterCurrentEl 0x00021003 Current EL
HvArm64RegisterDaif 0x00021004 Interrupt mask bits
HvArm64RegisterDit 0x00021005 Data independent timing
HvArm64RegisterPstate 0x00020023 PSTATE (Deprecated)
HvArm64RegisterElrEl1 0x00040015 ELR_EL1 (Deprecated)
HvArm64RegisterElrElx 0x0002100C Current EL return address
HvArm64RegisterFpcr 0x00040012 FPCR (Deprecated)
HvArm64RegisterFpsr 0x00040013 FPSR (Deprecated)
HvArm64RegisterNzcv 0x00021006 NZCV flags
HvArm64RegisterPan 0x00021007 PAN state
HvArm64RegisterSpSel 0x00021008 SP selection
HvArm64RegisterSpsrEl1 0x00040014 SPSR_EL1 (Deprecated)
HvArm64RegisterSpsrElx 0x0002100D Current EL SPSR
HvArm64RegisterSsbs 0x00021009 Speculative store bypass safe
HvArm64RegisterTco 0x0002100A Tag check override
HvArm64RegisterUao 0x0002100B User access override

ID Registers

Register Identifier Comment
HvArm64RegisterIdMidrEl1 0x00022000 Main ID
HvArm64RegisterIdMpidrEl1 0x00022005 Multiprocessor Affinity
HvArm64RegisterIdAa64Pfr0El1 0x00022020 AArch64 feature 0
HvArm64RegisterIdAa64Pfr1El1 0x00022021 AArch64 feature 1
HvArm64RegisterIdAa64Pfr2El1 0x00022022 AArch64 feature 2
HvArm64RegisterIdAa64Zfr0El1 0x00022024 SVE feature 0
HvArm64RegisterIdAa64Smfr0El1 0x00022025 SME feature 0
HvArm64RegisterIdAa64Dfr0El1 0x00022028 Debug feature 0
HvArm64RegisterIdAa64Isar0El1 0x00022030 ISA attribute 0
HvArm64RegisterIdAa64Mmfr0El1 0x00022038 Memory model feature 0
HvArm64RegisterIdAa64Mmfr1El1 0x00022039 Memory model feature 1
HvArm64RegisterIdAa64Mmfr2El1 0x0002203A Memory model feature 2
HvArm64RegisterIdAa64Mmfr3El1 0x0002203B Memory model feature 3
HvArm64RegisterIdAa64Mmfr4El1 0x0002203C Memory model feature 4

General System Control Registers

Register Identifier Comment
HvArm64RegisterAccdataEl1 0x00040020 ACCDATA
HvArm64RegisterActlrEl1 0x00040003 ACTLR_EL1
HvArm64RegisterAfsr0El1 0x00040016 Asynchronous fault status 0 (EL1)
HvArm64RegisterAfsr0Elx 0x00040073 Asynchronous fault status 0 (ELx combined)
HvArm64RegisterAfsr1Elx 0x00040074 Asynchronous fault status 1 (ELx combined)
HvArm64RegisterAidrEl1 0x00040024 Auxiliary ID
HvArm64RegisterAmairEl1 0x00040018 Memory attribute indirection (EL1)
HvArm64RegisterAmairElx 0x00040075 Memory attribute indirection (ELx combined)
HvArm64RegisterApdAKeyHiEl1 0x00040026 APDAKeyHi_EL1
HvArm64RegisterApdAKeyLoEl1 0x00040027 APDAKeyLo_EL1
HvArm64RegisterApdBKeyHiEl1 0x00040028 APDBKeyHi_EL1
HvArm64RegisterApdBKeyLoEl1 0x00040029 APDBKeyLo_EL1
HvArm64RegisterApgAKeyHiEl1 0x0004002A APGAKeyHi_EL1
HvArm64RegisterApgAKeyLoEl1 0x0004002B APGAKeyLo_EL1
HvArm64RegisterApiAKeyHiEl1 0x0004002C APIAKeyHi_EL1
HvArm64RegisterApiAKeyLoEl1 0x0004002D APIAKeyLo_EL1
HvArm64RegisterApiBKeyHiEl1 0x0004002E APIBKeyHi_EL1
HvArm64RegisterApiBKeyLoEl1 0x0004002F APIBKeyLo_EL1
HvArm64RegisterCcsidrEl1 / Ccsidr2El1 0x00040030 /0x00040031 Cache size ID
HvArm64RegisterClidrEl1 0x00040032 Cache level ID
HvArm64RegisterContextidrEl1 0x0004000D Context ID (EL1)
HvArm64RegisterContextidrElx 0x00040076 Context ID (ELx combined)
HvArm64RegisterCpacrEl1 0x00040004 Coprocessor access (CPACR_EL1)
HvArm64RegisterCpacrElx 0x00040077 Coprocessor access (ELx combined)
HvArm64RegisterCsselrEl1 0x00040035 Cache size selection
HvArm64RegisterCtrEl0 0x00040036 Cache type
HvArm64RegisterDczidEl0 0x00040038 DC ZVA parameters
HvArm64RegisterEsrEl1 0x00040008 Exception syndrome (EL1)
HvArm64RegisterEsrElx 0x00040078 Exception syndrome (ELx combined)
HvArm64RegisterFarEl1 0x00040009 Fault address (EL1)
HvArm64RegisterFarElx 0x00040079 Fault address (ELx combined)
HvArm64RegisterGcrEl1 0x0004003C Guarded control
HvArm64RegisterGmidEl1 0x0004003D Guest memory ID
HvArm64RegisterIsrEl1 0x0004004A Interrupt status
HvArm64RegisterLorcEl1 0x0004004B LORegion control
HvArm64RegisterLoreaEl1 0x0004004C LORegion end address
HvArm64RegisterLoridEl1 0x0004004D LORegion ID
HvArm64RegisterLornEl1 0x0004004E LORegion number
HvArm64RegisterLorsaEl1 0x0004004F LORegion start address
HvArm64RegisterMairEl1 0x0004000B Memory attribute indirection (EL1)
HvArm64RegisterMairElx 0x0004007A Memory attribute indirection (ELx combined)
HvArm64RegisterMidrEl1 0x00040051 MIDR (Deprecated)
HvArm64RegisterMpidrEl1 0x00040001 MPIDR (Deprecated)
HvArm64RegisterMvfr0El1 0x00040052 Media & VFP features 0
HvArm64RegisterMvfr1El1 0x00040053 Media & VFP features 1
HvArm64RegisterMvfr2El1 0x00040054 Media & VFP features 2
HvArm64RegisterParEl1 0x0004000A Physical address register
HvArm64RegisterRevidrEl1 0x00040055 Revision ID
HvArm64RegisterRgsrEl1 0x00040056 Random number generator seed status
HvArm64RegisterRndr 0x00040057 Random number (RNDR)
HvArm64RegisterRndrrs 0x00040058 Random number reseeded (RNDRRS)
HvArm64RegisterSctlrEl1 0x00040002 System control (EL1)
HvArm64RegisterSctlrElx 0x0004007B System control (ELx combined)
HvArm64RegisterScxtnumEl0 0x0004005A Context number (EL0)
HvArm64RegisterScxtnumEl1 0x0004005B Context number (EL1)
HvArm64RegisterSmcrEl1 0x0004005D SME control (EL1)
HvArm64RegisterSmidrEl1 0x0004005F SME ID
HvArm64RegisterSmpriEl1 0x00040060 SME priority (EL1)
HvArm64RegisterTcrEl1 0x00040007 Translation control (EL1)
HvArm64RegisterTcrElx 0x0004007C Translation control (ELx combined)
HvArm64RegisterTfsre0El1 0x00040063 Fault status (TFSRE0_EL1)
HvArm64RegisterTfsrEl1 0x00040064 Fault status (TFSR_EL1)
HvArm64RegisterTpidr2El0 0x00040066 TPIDR2
HvArm64RegisterTpidrEl0 0x00040011 Thread pointer (EL0)
HvArm64RegisterTpidrEl1 0x0004000E Thread pointer (EL1)
HvArm64RegisterTpidrroEl0 0x00040010 Read-only thread pointer
HvArm64RegisterTtbr0El1 0x00040005 Translation table base 0 (EL1)
HvArm64RegisterTtbr0Elx 0x0004007D Translation table base 0 (ELx combined)
HvArm64RegisterTtbr1El1 0x00040006 Translation table base 1 (EL1)
HvArm64RegisterTtbr1Elx 0x0004007F Translation table base 1 (ELx combined)
HvArm64RegisterVbarEl1 0x0004000C Vector base (EL1)
HvArm64RegisterVbarElx 0x00040080 Vector base (ELx combined)
HvArm64RegisterZcrEl1 0x00040071 SVE vector length control (EL1)
HvArm64RegisterZcrElx 0x00040081 SVE vector length control (ELx combined)

Debug Registers

Register Identifier Comment
HvArm64RegisterDbgauthstatusEl1 0x00050040 Debug auth status
HvArm64RegisterDbgbcr0El1 0x00050000 Breakpoint control 0
HvArm64RegisterDbgbcr1El1 0x00050001 Breakpoint control 1
HvArm64RegisterDbgbcr2El1 0x00050002 Breakpoint control 2
HvArm64RegisterDbgbcr3El1 0x00050003 Breakpoint control 3
HvArm64RegisterDbgbcr4El1 0x00050004 Breakpoint control 4
HvArm64RegisterDbgbcr5El1 0x00050005 Breakpoint control 5
HvArm64RegisterDbgbcr6El1 0x00050006 Breakpoint control 6
HvArm64RegisterDbgbcr7El1 0x00050007 Breakpoint control 7
HvArm64RegisterDbgbcr8El1 0x00050008 Breakpoint control 8
HvArm64RegisterDbgbcr9El1 0x00050009 Breakpoint control 9
HvArm64RegisterDbgbcr10El1 0x0005000A Breakpoint control 10
HvArm64RegisterDbgbcr11El1 0x0005000B Breakpoint control 11
HvArm64RegisterDbgbcr12El1 0x0005000C Breakpoint control 12
HvArm64RegisterDbgbcr13El1 0x0005000D Breakpoint control 13
HvArm64RegisterDbgbcr14El1 0x0005000E Breakpoint control 14
HvArm64RegisterDbgbcr15El1 0x0005000F Breakpoint control 15
HvArm64RegisterDbgbvr0El1 0x00050020 Breakpoint value 0
HvArm64RegisterDbgbvr1El1 0x00050021 Breakpoint value 1
HvArm64RegisterDbgbvr2El1 0x00050022 Breakpoint value 2
HvArm64RegisterDbgbvr3El1 0x00050023 Breakpoint value 3
HvArm64RegisterDbgbvr4El1 0x00050024 Breakpoint value 4
HvArm64RegisterDbgbvr5El1 0x00050025 Breakpoint value 5
HvArm64RegisterDbgbvr6El1 0x00050026 Breakpoint value 6
HvArm64RegisterDbgbvr7El1 0x00050027 Breakpoint value 7
HvArm64RegisterDbgbvr8El1 0x00050028 Breakpoint value 8
HvArm64RegisterDbgbvr9El1 0x00050029 Breakpoint value 9
HvArm64RegisterDbgbvr10El1 0x0005002A Breakpoint value 10
HvArm64RegisterDbgbvr11El1 0x0005002B Breakpoint value 11
HvArm64RegisterDbgbvr12El1 0x0005002C Breakpoint value 12
HvArm64RegisterDbgbvr13El1 0x0005002D Breakpoint value 13
HvArm64RegisterDbgbvr14El1 0x0005002E Breakpoint value 14
HvArm64RegisterDbgbvr15El1 0x0005002F Breakpoint value 15
HvArm64RegisterDbgclaimclrEl1 0x00050041 Claim tag clear
HvArm64RegisterDbgclaimsetEl1 0x00050042 Claim tag set
HvArm64RegisterDbgdtrrxEl0 0x00050043 Debug data transfer receive
HvArm64RegisterDbgdtrtxEl0 0x00050044 Debug data transfer transmit
HvArm64RegisterDbgprcrEl1 0x00050045 External debug power/priv control
HvArm64RegisterDbgwcr0El1 0x00050010 Watchpoint control 0
HvArm64RegisterDbgwcr1El1 0x00050011 Watchpoint control 1
HvArm64RegisterDbgwcr2El1 0x00050012 Watchpoint control 2
HvArm64RegisterDbgwcr3El1 0x00050013 Watchpoint control 3
HvArm64RegisterDbgwcr4El1 0x00050014 Watchpoint control 4
HvArm64RegisterDbgwcr5El1 0x00050015 Watchpoint control 5
HvArm64RegisterDbgwcr6El1 0x00050016 Watchpoint control 6
HvArm64RegisterDbgwcr7El1 0x00050017 Watchpoint control 7
HvArm64RegisterDbgwcr8El1 0x00050018 Watchpoint control 8
HvArm64RegisterDbgwcr9El1 0x00050019 Watchpoint control 9
HvArm64RegisterDbgwcr10El1 0x0005001A Watchpoint control 10
HvArm64RegisterDbgwcr11El1 0x0005001B Watchpoint control 11
HvArm64RegisterDbgwcr12El1 0x0005001C Watchpoint control 12
HvArm64RegisterDbgwcr13El1 0x0005001D Watchpoint control 13
HvArm64RegisterDbgwcr14El1 0x0005001E Watchpoint control 14
HvArm64RegisterDbgwcr15El1 0x0005001F Watchpoint control 15
HvArm64RegisterDbgwvr0El1 0x00050030 Watchpoint value 0
HvArm64RegisterDbgwvr1El1 0x00050031 Watchpoint value 1
HvArm64RegisterDbgwvr2El1 0x00050032 Watchpoint value 2
HvArm64RegisterDbgwvr3El1 0x00050033 Watchpoint value 3
HvArm64RegisterDbgwvr4El1 0x00050034 Watchpoint value 4
HvArm64RegisterDbgwvr5El1 0x00050035 Watchpoint value 5
HvArm64RegisterDbgwvr6El1 0x00050036 Watchpoint value 6
HvArm64RegisterDbgwvr7El1 0x00050037 Watchpoint value 7
HvArm64RegisterDbgwvr8El1 0x00050038 Watchpoint value 8
HvArm64RegisterDbgwvr9El1 0x00050039 Watchpoint value 9
HvArm64RegisterDbgwvr10El1 0x0005003A Watchpoint value 10
HvArm64RegisterDbgwvr11El1 0x0005003B Watchpoint value 11
HvArm64RegisterDbgwvr12El1 0x0005003C Watchpoint value 12
HvArm64RegisterDbgwvr13El1 0x0005003D Watchpoint value 13
HvArm64RegisterDbgwvr14El1 0x0005003E Watchpoint value 14
HvArm64RegisterDbgwvr15El1 0x0005003F Watchpoint value 15
HvArm64RegisterDlrEl0 0x00050047 Debug link register
HvArm64RegisterDspsrEl0 0x00050048 Debug saved PSR
HvArm64RegisterMdccintEl1 0x00050049 Monitor debug comms channel int
HvArm64RegisterMdccsrEl0 0x0005004A Monitor debug comms channel status
HvArm64RegisterMdrarEl1 0x0005004C Monitor debug ROM addr
HvArm64RegisterMdscrEl1 0x0005004D Monitor debug system control
HvArm64RegisterOsdlrEl1 0x0005004E OS double lock
HvArm64RegisterOsdtrrxEl1 0x0005004F OS data transfer receive
HvArm64RegisterOsdtrtxEl1 0x00050050 OS data transfer transmit
HvArm64RegisterOseccrEl1 0x00050051 OS external debug context
HvArm64RegisterOslarEl1 0x00050052 OS lock access
HvArm64RegisterOslsrEl1 0x00050053 OS lock status
HvArm64RegisterTrfcrEl1 0x00050055 Trace filter control (EL1)
HvArm64RegisterTrfcrElx 0x00050057 Trace filter control (ELx combined)

Performance Monitors & Activity Monitors

Register Identifier Comment
HvArm64RegisterPmccfiltrEl0 0x00052000 PMU cycle counter filter
HvArm64RegisterPmccntrEl0 0x00052001 Cycle counter
HvArm64RegisterPmceid0El0 0x00052002 Event ID 0
HvArm64RegisterPmceid1El0 0x00052003 Event ID 1
HvArm64RegisterPmcntenclrEl0 0x00052004 Counter enable clear
HvArm64RegisterPmcntensetEl0 0x00052005 Counter enable set
HvArm64RegisterPmcrEl0 0x00052006 PMU control
HvArm64RegisterPmevcntr0El0 0x00052007 Event counter 0
HvArm64RegisterPmevcntr1El0 0x00052008 Event counter 1
HvArm64RegisterPmevcntr2El0 0x00052009 Event counter 2
HvArm64RegisterPmevcntr3El0 0x0005200A Event counter 3
HvArm64RegisterPmevcntr4El0 0x0005200B Event counter 4
HvArm64RegisterPmevcntr5El0 0x0005200C Event counter 5
HvArm64RegisterPmevcntr6El0 0x0005200D Event counter 6
HvArm64RegisterPmevcntr7El0 0x0005200E Event counter 7
HvArm64RegisterPmevcntr8El0 0x0005200F Event counter 8
HvArm64RegisterPmevcntr9El0 0x00052010 Event counter 9
HvArm64RegisterPmevcntr10El0 0x00052011 Event counter 10
HvArm64RegisterPmevcntr11El0 0x00052012 Event counter 11
HvArm64RegisterPmevcntr12El0 0x00052013 Event counter 12
HvArm64RegisterPmevcntr13El0 0x00052014 Event counter 13
HvArm64RegisterPmevcntr14El0 0x00052015 Event counter 14
HvArm64RegisterPmevcntr15El0 0x00052016 Event counter 15
HvArm64RegisterPmevcntr16El0 0x00052017 Event counter 16
HvArm64RegisterPmevcntr17El0 0x00052018 Event counter 17
HvArm64RegisterPmevcntr18El0 0x00052019 Event counter 18
HvArm64RegisterPmevcntr19El0 0x0005201A Event counter 19
HvArm64RegisterPmevcntr20El0 0x0005201B Event counter 20
HvArm64RegisterPmevcntr21El0 0x0005201C Event counter 21
HvArm64RegisterPmevcntr22El0 0x0005201D Event counter 22
HvArm64RegisterPmevcntr23El0 0x0005201E Event counter 23
HvArm64RegisterPmevcntr24El0 0x0005201F Event counter 24
HvArm64RegisterPmevcntr25El0 0x00052020 Event counter 25
HvArm64RegisterPmevcntr26El0 0x00052021 Event counter 26
HvArm64RegisterPmevcntr27El0 0x00052022 Event counter 27
HvArm64RegisterPmevcntr28El0 0x00052023 Event counter 28
HvArm64RegisterPmevcntr29El0 0x00052024 Event counter 29
HvArm64RegisterPmevcntr30El0 0x00052025 Event counter 30
HvArm64RegisterPmevtyper0El0 0x00052026 Event type 0
HvArm64RegisterPmevtyper1El0 0x00052027 Event type 1
HvArm64RegisterPmevtyper2El0 0x00052028 Event type 2
HvArm64RegisterPmevtyper3El0 0x00052029 Event type 3
HvArm64RegisterPmevtyper4El0 0x0005202A Event type 4
HvArm64RegisterPmevtyper5El0 0x0005202B Event type 5
HvArm64RegisterPmevtyper6El0 0x0005202C Event type 6
HvArm64RegisterPmevtyper7El0 0x0005202D Event type 7
HvArm64RegisterPmevtyper8El0 0x0005202E Event type 8
HvArm64RegisterPmevtyper9El0 0x0005202F Event type 9
HvArm64RegisterPmevtyper10El0 0x00052030 Event type 10
HvArm64RegisterPmevtyper11El0 0x00052031 Event type 11
HvArm64RegisterPmevtyper12El0 0x00052032 Event type 12
HvArm64RegisterPmevtyper13El0 0x00052033 Event type 13
HvArm64RegisterPmevtyper14El0 0x00052034 Event type 14
HvArm64RegisterPmevtyper15El0 0x00052035 Event type 15
HvArm64RegisterPmevtyper16El0 0x00052036 Event type 16
HvArm64RegisterPmevtyper17El0 0x00052037 Event type 17
HvArm64RegisterPmevtyper18El0 0x00052038 Event type 18
HvArm64RegisterPmevtyper19El0 0x00052039 Event type 19
HvArm64RegisterPmevtyper20El0 0x0005203A Event type 20
HvArm64RegisterPmevtyper21El0 0x0005203B Event type 21
HvArm64RegisterPmevtyper22El0 0x0005203C Event type 22
HvArm64RegisterPmevtyper23El0 0x0005203D Event type 23
HvArm64RegisterPmevtyper24El0 0x0005203E Event type 24
HvArm64RegisterPmevtyper25El0 0x0005203F Event type 25
HvArm64RegisterPmevtyper26El0 0x00052040 Event type 26
HvArm64RegisterPmevtyper27El0 0x00052041 Event type 27
HvArm64RegisterPmevtyper28El0 0x00052042 Event type 28
HvArm64RegisterPmevtyper29El0 0x00052043 Event type 29
HvArm64RegisterPmevtyper30El0 0x00052044 Event type 30
HvArm64RegisterPmintenclrEl1 0x00052045 Interrupt enable clear
HvArm64RegisterPmintensetEl1 0x00052046 Interrupt enable set
HvArm64RegisterPmovsclrEl0 0x00052048 Overflow status clear
HvArm64RegisterPmovssetEl0 0x00052049 Overflow status set
HvArm64RegisterPmselrEl0 0x0005204A Event counter select
HvArm64RegisterPmuserenrEl0 0x0005204C User enable
HvArm64RegisterPmxevcntrEl0 0x0005204D Selected event counter
HvArm64RegisterPmxevtyperEl0 0x0005204E Selected event type
HvArm64RegisterAmevcntr00El0 0x00053000 Activity monitor counter 00
HvArm64RegisterAmevcntr01El0 0x00053001 Activity monitor counter 01
HvArm64RegisterAmevcntr02El0 0x00053002 Activity monitor counter 02
HvArm64RegisterAmevcntr03El0 0x00053003 Activity monitor counter 03

Statistical Profiling Extension (SPE)

Register Identifier Comment
HvArm64RegisterPmbidrEl1 0x00054000 SPE buffer ID
HvArm64RegisterPmblimitrEl1 0x00054001 SPE buffer limit
HvArm64RegisterPmbptrEl1 0x00054002 SPE buffer write pointer
HvArm64RegisterPmbsrEl1 0x00054003 SPE status
HvArm64RegisterPmscrEl1 0x00054004 SPE control EL1
HvArm64RegisterPmsevfrEl1 0x00054006 SPE exception filtering
HvArm64RegisterPmsfcrEl1 0x00054007 SPE filter control
HvArm64RegisterPmsicrEl1 0x00054008 SPE interrupt control
HvArm64RegisterPmsidrEl1 0x00054009 SPE ID
HvArm64RegisterPmsirrEl1 0x0005400A SPE interrupt status
HvArm64RegisterPmslatfrEl1 0x0005400B SPE latency filtering
HvArm64RegisterPmsnevfrEl1 0x0005400C SPE negative event filtering

RAS Registers

Register Identifier Comment
HvArm64RegisterDisrEl1 0x00056000 RAS status
HvArm64RegisterErrselrEl1 0x00056002 Error select
HvArm64RegisterErxaddrEl1 0x00056003 Error record address
HvArm64RegisterErxctlrEl1 0x00056004 Error control
HvArm64RegisterErrxfrEl1 0x00056005 Error guest address
HvArm64RegisterErxmisc0El1 0x00056006 Error record misc 0
HvArm64RegisterErxmisc1El1 0x00056007 Error record misc 1
HvArm64RegisterErxmisc2El1 0x00056008 Error record misc 2
HvArm64RegisterErxmisc3El1 0x00056009 Error record misc 3
HvArm64RegisterErxpfgcdnEl1 0x0005600A Pseudo-fault gen code low
HvArm64RegisterErxpfgctlEl1 0x0005600B Pseudo-fault generation control
HvArm64RegisterErxpfgfEl1 0x0005600C Pseudo-fault generation feature/status
HvArm64RegisterErxstatusEl1 0x0005600D Error record status

Generic Timer

Register Identifier Comment
HvArm64RegisterCntfrqEl0 0x00058000 Counter frequency
HvArm64RegisterCntkctlEl1 0x00058008 Kernel timer control
HvArm64RegisterCntkctlElx 0x00058013 CntkctlEl1 or CnthctlEl2 depending on EL.
HvArm64RegisterCntpCtlEl0 0x00058009 Physical timer control
HvArm64RegisterCntpCtlElx 0x00058014 CntpCtlEl0 or CnthpCtlEl2 depending on EL.
HvArm64RegisterCntpCvalEl0 0x0005800A Physical timer compare
HvArm64RegisterCntpCvalElx 0x00058015 CntpCvalEl0 or CnthpCvalEl2 depending on EL.
HvArm64RegisterCntpTvalEl0 0x0005800B Physical timer value
HvArm64RegisterCntpTvalElx 0x00058016 CntpTvalEl0 or CnthpTvalEl2 depending on EL.
HvArm64RegisterCntpctEl0 0x0005800C Physical counter
HvArm64RegisterCntvCtlEl0 0x0005800E Virtual timer control
HvArm64RegisterCntvCtlElx 0x00058017 CntvCtlEl0 or CnthvCtlEl2 depending on EL.
HvArm64RegisterCntvCvalEl0 0x0005800F Virtual timer compare
HvArm64RegisterCntvCvalElx 0x00058018 CntvCvalEl0 or CnthvCvalEl2 depending on EL.
HvArm64RegisterCntvTvalEl0 0x00058010 Virtual timer value
HvArm64RegisterCntvTvalElx 0x00058019 CntvTvalEl0 or CnthvTvalEl2 depending on EL.
HvArm64RegisterCntvctEl0 0x00058011 Virtual counter

GIC System Registers (CPU Interface)

Register Identifier Comment
Arm64RegisterIccAp1R0El1 0x00060000 Active pri group1 reg0
Arm64RegisterIccAp1R1El1 0x00060001 Active pri group1 reg1
Arm64RegisterIccAp1R2El1 0x00060002 Active pri group1 reg2
Arm64RegisterIccAp1R3El1 0x00060003 Active pri group1 reg3
Arm64RegisterIccAsgi1REl1 0x00060004 SGI1R write alias
Arm64RegisterIccBpr1El1 0x00060005 Binary point group1
Arm64RegisterIccCtlrEl1 0x00060006 CPU interface control
Arm64RegisterIccDirEl1 0x00060007 Deactivate interrupt
Arm64RegisterIccEoir1El1 0x00060008 End of interrupt group1
Arm64RegisterIccHppir1El1 0x00060009 Highest pending group1
Arm64RegisterIccIar1El1 0x0006000A Interrupt acknowledge g1
Arm64RegisterIccIgrpen1El1 0x0006000B Group1 enable
Arm64RegisterIccPmrEl1 0x0006000C Priority mask
Arm64RegisterIccRprEl1 0x0006000D Running priority
Arm64RegisterIccSgi1REl1 0x0006000E SGI1R register access
Arm64RegisterIccSreEl1 0x0006000F System reg enable EL1

GIC Redistributor

Register Identifier Comment
HvArm64RegisterGicrBaseGpa 0x00063000 Redistributor base GPA

Synthetic / Hypervisor Added

Register Identifier Comment
HvArm64RegisterPartitionInfoPage 0x00090015 Partition info page GPA

See Also

  • Last updated on