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SETPAN -- AArch32

SETPAN

Set Privileged Access Never writes a new value to PSTATE.PAN.

This instruction is available only in privileged mode and it is a NOP when executed in User mode.

It has encodings from the following instruction sets: A32 ( A1 ) and T32 ( T1 ) .

A1
(FEAT_PAN)

313029282726252423222120191817161514131211109876543210
111100010001(0)(0)(0)(0)(0)(0)(0)(0)(0)(0)imm1(0)0000(0)(0)(0)(0)

Encoding

SETPAN{<q>} #<imm> // (Cannot be conditional)

Decode for this encoding

if !IsFeatureImplemented(FEAT_PAN) then Undefined(); end; let value : bit = imm1;

T1
(FEAT_PAN)

1514131211109876543210
10110110000(1)imm1(0)(0)(0)

Encoding

SETPAN{<q>} #<imm> // (Not permitted in IT block)

Decode for this encoding

if InITBlock() then UnpredictableProcedure(); end; if !IsFeatureImplemented(FEAT_PAN) then Undefined(); end; let value : bit = imm1;

Assembler Symbols

<q>

See Standard assembler syntax fields.

<imm>

Is the unsigned immediate 0 or 1, encoded in the "imm1" field.


2025-09_rel_asl1 2026-03-12 12:57:38

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