Index

PACM

Pointer authentication modifier. This instruction is used to set the value of PSTATE.PACM to 1.

If FEAT_PAuth_LR is not implemented, this instruction behaves as a NOP.

System
(FEAT_PAuth_LR)

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1 1 0 1 0 1 0 1 0 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 1 1 1 1 1

PACM

if !IsFeatureImplemented(FEAT_PAuth_LR) then EndOfInstruction();

Operation

PSTATE.PACM = if IsPACMEnabled() then '1' else '0';