CA35_AARCH64 Cortex-A35 (AArch64) State Current CPU State 1 AARCH64 Core Current State CPU Registers 64 RW unsigned long long SP WSP Stack pointer (SP) 32 PC Program counter (PC) 33 CPSR Current program status register 41 M Mode bits 0 4 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 GE Greater-than-or-equal flags) 16 4 DIT Data independent timing 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 64-bit view Current State CPU Registers, AARCH64, 64-bit view 64 X0 General purpose register 0 0 X1 General purpose register 1 1 X2 General purpose register 2 2 X3 General purpose register 3 3 X4 General purpose register 4 4 X5 General purpose register 5 5 X6 General purpose register 6 6 X7 General purpose register 7 7 X8 General purpose register 8 8 X9 General purpose register 9 9 X10 General purpose register 10 10 X11 General purpose register 11 11 X12 General purpose register 12 12 X13 General purpose register 13 13 X14 General purpose register 14 14 X15 General purpose register 15 15 X16 General purpose register 16 16 X17 General purpose register 17 17 X18 General purpose register 18 18 X19 General purpose register 19 19 X20 General purpose register 20 20 X21 General purpose register 21 21 X22 General purpose register 22 22 X23 General purpose register 23 23 X24 General purpose register 24 24 X25 General purpose register 25 25 X26 General purpose register 26 26 X27 General purpose register 27 27 X28 General purpose register 28 28 X29 General purpose register 29 29 X30 Procedure link register 30 XZR WZR read-only Zero register 31 32-bit view Current State CPU Registers, AARCH64, 32-bit view 32 W0 General purpose register 0 0 W1 General purpose register 1 1 W2 General purpose register 2 2 W3 General purpose register 3 3 W4 General purpose register 4 4 W5 General purpose register 5 5 W6 General purpose register 6 6 W7 General purpose register 7 7 W8 General purpose register 8 8 W9 General purpose register 9 9 W10 General purpose register 10 10 W11 General purpose register 11 11 W12 General purpose register 12 12 W13 General purpose register 13 13 W14 General purpose register 14 14 W15 General purpose register 15 15 W16 General purpose register 16 16 W17 General purpose register 17 17 W18 General purpose register 18 18 W19 General purpose register 19 19 W20 General purpose register 20 20 W21 General purpose register 21 21 W22 General purpose register 22 22 W23 General purpose register 23 23 W24 General purpose register 24 24 W25 General purpose register 25 25 W26 General purpose register 26 26 W27 General purpose register 27 27 W28 General purpose register 28 28 W29 General purpose register 29 29 W30 Procedure link register 30 Banked Registers Mode & Status Registers, AARCH64 64 ELR_EL1 Link register (Exception Level 1) 34 ELR_EL2 Link register (Exception Level 2) 35 ELR_EL3 Link register (Exception Level 3) 36 SP_EL0 Stack pointer (Exception Level 0) 37 SP_EL1 Stack pointer (Exception Level 1) 38 SP_EL2 Stack pointer (Exception Level 2) 39 SPSR_ABT Current program status register (Abort Mode) 42 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 DIT Data independent timing 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 J Instruction set state 24 1 Q Overflow or saturation flag 27 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 SPSR_EL1 Current program status register (Exception Level 1) 43 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 SS Software Step 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 DIT Data independent timing 24 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 SPSR_EL2 Current program status register (Exception Level 2) 44 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 SS Software Step 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 DIT Data independent timing 24 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 SPSR_EL3 Current program status register (Exception Level 3) 45 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 SS Software Step 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 DIT Data independent timing 24 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 SPSR_FIQ Current program status register (Fast Interrupt Mode) 46 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 DIT Data independent timing 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 J Instruction set state 24 1 Q Overflow or saturation flag 27 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 SPSR_IRQ Current program status register (Interrupt Mode) 47 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 DIT Data independent timing 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 J Instruction set state 24 1 Q Overflow or saturation flag 27 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 SPSR_UND Current program status register (Undefined Mode) 48 M Mode bits 0 5 T T32 instruction set state 5 1 F FIQ interrupt mask 6 1 I IRQ interrupt mask 7 1 A SError interrupt mask 8 1 E Data endianess 9 1 IT Low If-then flags (lower side) 10 6 IT High If-then flags (higher side) 25 2 GE Greater-than-or-equal flags) 16 4 IL Illegal execution state 20 1 DIT Data independent timing 21 1 PAN Privileged access never 22 1 SSBS Speculative store bypass 23 1 J Instruction set state 24 1 Q Overflow or saturation flag 27 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 FPU Floating Point Unit Registers 64 RW unsigned long long FPCR Floating point control register 49 FIZ Flush Inputs to Zero 0 1 AH Alternate Handling 1 1 NEP SIMD output element control 2 1 IOE Invalid Operation FP exception enable 8 1 DZE Divide by Zero FP exception enable 9 1 OFE Overflow FP exception enable 10 1 UFE Underflow FP exception enable 11 1 IXE Inexact FP exception enable 12 1 IDE Input Denormal FP exception enable 15 1 Len Len (AARCH32 only) 16 3 FZ16 Flushing denormalized numbers to zero control bit 19 1 Stride Stride (AARCH32 only) 20 2 RMode Rounding Mode 22 2 FZ Flushing denormalized numbers to zero 24 1 DN Default NaN for NaN propagation 25 1 AHP Alternative half-precision control bit 26 1 FPSR Floating point status register 50 IOC Invalid Operation cumulative FP exception bit 0 1 DZC Divide by zero cumulative FP exception bit 1 1 OFC Overflow cumulative FP exception bit 2 1 UFC Underflow cumulative FP exception bit 3 1 IXC Inexact cumulative FP exception bit 4 1 IDC Input Denormal cumulative FP exception bit 7 1 QC Cumulative saturation bit 27 1 V Overflow condition flag 28 1 C Carry condition flag 29 1 Z Zero condition flag 30 1 N Negative condition flag 31 1 Double Double Precision Floating Point Registers 64 RW double D0 Floating point register 0 51 D1 Floating point register 1 53 D2 Floating point register 2 55 D3 Floating point register 3 57 D4 Floating point register 4 59 D5 Floating point register 5 61 D6 Floating point register 6 63 D7 Floating point register 7 65 D8 Floating point register 8 67 D9 Floating point register 9 69 D10 Floating point register 10 71 D11 Floating point register 11 73 D12 Floating point register 12 75 D13 Floating point register 13 77 D14 Floating point register 14 79 D15 Floating point register 15 81 D16 Floating point register 16 83 D17 Floating point register 17 85 D18 Floating point register 18 87 D19 Floating point register 19 89 D20 Floating point register 20 91 D21 Floating point register 21 93 D22 Floating point register 22 95 D23 Floating point register 23 97 D24 Floating point register 24 99 D25 Floating point register 25 101 D26 Floating point register 26 103 D27 Floating point register 27 105 D28 Floating point register 28 107 D29 Floating point register 29 109 D30 Floating point register 30 111 D31 Floating point register 31 113 Single Single Precision Floating Point Registers 32 RW float S0 Floating point register 0 51 S1 Floating point register 1 53 S2 Floating point register 2 55 S3 Floating point register 3 57 S4 Floating point register 4 59 S5 Floating point register 5 61 S6 Floating point register 6 63 S7 Floating point register 7 65 S8 Floating point register 8 67 S9 Floating point register 9 69 S10 Floating point register 10 71 S11 Floating point register 11 73 S12 Floating point register 12 75 S13 Floating point register 13 77 S14 Floating point register 14 79 S15 Floating point register 15 81 S16 Floating point register 16 83 S17 Floating point register 17 85 S18 Floating point register 18 87 S19 Floating point register 19 89 S20 Floating point register 20 91 S21 Floating point register 21 93 S22 Floating point register 22 95 S23 Floating point register 23 97 S24 Floating point register 24 99 S25 Floating point register 25 101 S26 Floating point register 26 103 S27 Floating point register 27 105 S28 Floating point register 28 107 S29 Floating point register 29 109 S30 Floating point register 30 111 S31 Floating point register 31 113