dcps3

Debug Change PE State to EL3

DCPS3 {#<imm>}

Switch to Exception Level 3 (Debug).

Pseudocode Operation

SPSR_EL3 ← PSTATE
PSTATE.EL ← '11'
PC ← DLR_EL0

Example

DCPS3

Encoding

Binary Layout

11010100

31:24

101

23:21

imm16

20:5

000

4:2

11

1:0

 

Format Exception

Opcode 0xD4A00003

Extension System

Operands

• imm
  ID

Related

Other forms of dcps3

• dcps3 Debug Change PE State to EL3 (A32)

More in System

Reference

View in Arm A64 ISA Reference ↗ Arm A64 ISA

Instruction Forms

Encoding	Instruction		ISA		Bit pattern
0xD4A00003	DCPS3 {#<imm>}		A64		11010100 | 101 | imm16 | 000 | 11

Description

Debug Change PE State to EL3, when executed in Debug state: The target exception level of a DCPS3 instruction is EL3. On executing a DCPS3 instruction: This instruction is UNDEFINED at all exception levels if either: This instruction is always UNDEFINED in Non-debug state. For more information on the operation of the DCPS<n> instructions, see DCPS.

Operation

if !Halted() then UNDEFINED;
DCPSInstruction(LL);