autia

Authenticate Code (Inst A)

AUTIA <Xd>, <Xn|SP>

Authenticates a pointer signed with Key A. Corrupts pointer if failed.

Details

The Authenticate Code instruction authenticates a pointer signed with Key A. Corrupts pointer if failed.

Pseudocode Operation

// Authenticates a pointer signed with Key A. Corrupts pointer if failed

Example

AUTIA x0, x1

Encoding

Binary Layout
11011010110
Xm
000101
11111
Xd
 
Format Data Processing
Opcode 0xDAC503E0
Extension PAC (Security)

Operands

  • Xd
    Ptr
  • Xn
    Modifier