Table B2-1 Registers with implementation defined bit fields (continued)
Name Op0 CRn Op1 CRm Op2 Width Description
TTBR1_EL2 3 c2 4 c0 1 64 B2.100 TTBR1_EL2, Translation Table Base Register 1, EL2
on page B2-285
VDISR_EL2 3 c12 4 c1 1 64 B2.101 VDISR_EL2, Virtual Deferred Interrupt Status Register,
EL2 on page B2-286
VSESR_EL2 3 c5 4 c2 3 64 B2.102 VSESR_EL2, Virtual SError Exception Syndrome
Register on page B2-287
VTCR_EL2 3 c2 4 c1 2 32 B2.103 VTCR_EL2, Virtualization Translation Control Register,
EL2 on page B2-288
VTTBR_EL2 3 c2 4 c1 0 64 B2.104 VTTBR_EL2, Virtualization Translation Table Base
Register, EL2 on page B2-289
Table B2-2 Other architecturally defined registers
Name Op0 CRn Op1 CRm Op2 Widt
h
Description
AFSR0_EL12 3 c5 5 1 0 32 Auxiliary Fault Status Register 0
AFSR1_EL12 3 c5 5 1 1 32 Auxiliary Fault Status Register 1
AMAIR_EL12 3 c10 5 c3 0 64 Auxiliary Memory Attribute Indirection Register
CNTFRQ_EL0 3 c14 3 0 0 32 Counter-timer Frequency register
CNTHCTL_EL2 3 c14 4 c1 0 32 Counter-timer Hypervisor Control register
CNTHP_CTL_EL2 3 c14 4 c2 1 32 Counter-timer Hypervisor Physical Timer Control
register
CNTHP_CVAL_EL2 3 c14 4 c2 2 64 Counter-timer Hyp Physical CompareValue register
CNTHP_TVAL_EL2 3 c14 4 c2 0 32 Counter-timer Hyp Physical Timer TimerValue register
CNTHV_CTL_EL2 3 c14 4 c3 1 32 Counter-timer Virtual Timer Control register
CNTHV_CVAL_EL2 3 c14 4 c3 2 64 Counter-timer Virtual Timer CompareValue register
CNTHV_TVAL_EL2 3 c14 4 c3 0 32 Counter-timer Virtual Timer TimerValue register
CNTKCTL_EL1 3 c14 0 c1 0 32 Counter-timer Kernel Control register
CNTKCTL_EL12 3 c14 5 c1 0 32 Counter-timer Kernel Control register
CNTP_CTL_EL0 3 c14 3 c2 1 32 Counter-timer Physical Timer Control register
CNTP_CTL_EL02 3 c14 5 c2 1 32 Counter-timer Physical Timer Control register
CNTP_CVAL_EL0 3 c14 3 c2 2 64 Counter-timer Physical Timer CompareValue register
CNTP_CVAL_EL02 3 c14 5 c2 2 64 Counter-timer Physical Timer CompareValue register
CNTP_TVAL_EL0 3 c14 3 c2 0 32 Counter-timer Physical Timer TimerValue register
CNTP_TVAL_EL02 3 c14 5 c2 0 32 Counter-timer Physical Timer TimerValue register
CNTPCT_EL0 3 c14 3 c0 1 64 Counter-timer Physical Count register
CNTPS_CTL_EL1 3 c14 7 c2 1 32 Counter-timer Physical Secure Timer Control register
CNTPS_CVAL_EL1 3 c14 7 c2 2 64 Counter-timer Physical Secure Timer CompareValue
register
B2 AArch64 system registers
B2.2 AArch64 architectural system register summary
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