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DCPS3
Debug Change PE State to EL3, when executed in Debug state:
- If executed at EL3 selects SP_EL3.
- Otherwise, changes the current Exception level and SP to EL3 using SP_EL3.
The target exception level of a DCPS3 instruction is EL3.
On executing a DCPS3 instruction:
- ELR_EL3 becomes unknown.
- SPSR_EL3 becomes unknown.
- ESR_EL3 becomes unknown.
- DLR_EL0 and DSPSR_EL0 become unknown.
- The endianness is set according to SCTLR_EL3.EE.
This instruction is undefined at all exception levels if either:
- EDSCR.SDD == 1.
- EL3 is not implemented.
This instruction is always undefined in Non-debug state.
For more information on the operation of the DCPSn instructions, see DCPS.
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 | 0 | 1 | 0 | 1 | imm16 | 0 | 0 | 0 | 1 | 1 | |||||||||||||||
LL |
DCPS3 {#<imm>}
if !Halted() then UNDEFINED;