sttr

Store Register (Unprivileged)

STTR <Wt>, [<Xn|SP>, #<simm>]

Stores a register as if in EL0 (User mode).

Details

The Store Register instruction stores a register as if in EL0 (User mode).

Pseudocode Operation

// Stores a register as if in EL0 (User mode)

Example

STTR w3, [x1, #-8]

Encoding

Binary Layout
10111000
000
imm9
00
Rn
Rt
 
Format Load/Store
Opcode 0xB8000000
Extension Base

Operands

  • Wt
    Transfer 32-bit integer register (load/store)
  • Xn
    First source / base 64-bit integer register
  • simm
    Signed immediate offset