DBG executes as a NOP. Arm deprecates any use of the DBG instruction.
It has encodings from the following instruction sets: A32 ( A1 ) and T32 ( T1 ) .
| 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 |
| != 1111 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | (1) | (1) | (1) | (1) | (0) | (0) | (0) | (0) | 1 | 1 | 1 | 1 | option | ||||||
| cond | |||||||||||||||||||||||||||||||
// DBG executes as a NOP. The 'option' field is ignored
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | (1) | (1) | (1) | (1) | 1 | 0 | (0) | 0 | (0) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | option | |||
// DBG executes as a NOP. The 'option' field is ignored
For more information about the constrained unpredictable behavior, see Architectural Constraints on UNPREDICTABLE behaviors.
| <c> |
| <q> |
| <option> |
Is a 4-bit unsigned immediate, in the range 0 to 15, encoded in the "option" field. |
Internal version only: isa v01_31, pseudocode v2024-03_rel ; Build timestamp: 2024-03-25T10:05
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