msr

Move Register to Special Register (Thumb)

MSR <spec_reg>, <Rn>

Write special register (Thumb).

Details

The Move Register to Special Register instruction write special register (Thumb).

Pseudocode Operation

spec_reg ← Rn

Example

MSR nzcv, r1

Encoding

Binary Layout
111100111000
Rn
1000100000000000
 
Format Thumb System
Opcode 0xF3808800
Extension A32 (System)

Operands

  • spec_reg
    Reg
  • Rn
    First source / base general-purpose register