Mode

Mode Accessible registers

USR PC, R14 to R0, CPSR

FIQ PC, R14_fiq to R8_fiq
R7 to R0, CPSR, SPSR_fiq

IRQ PC, R14_irq, R13_irq
R12 to R0, CPSR, SPSR_irq

SVC PC, R14_svc, R13_svc
R12 to R0, CPSR, SPSR_svc

ABT PC, R14_abt, R13_abt,
R12 to R0, CPSR, SPSR_abt

UND PC, R14_und, R13_und
R12 to R0, CPSR, SPSR_und

SYS PC, R14 to R0
CPSR