ACTR1 (R5_ETM_0) Register Description
| Register Name | ACTR1 |
|---|---|
| Offset Address | 0x0000000080 |
| Absolute Address | 0x00FEBFC080 (CORESIGHT_R5_ETM_0) |
| Width | 32 |
| Type | rwNormal read/write |
| Reset Value | 0x00000000 |
| Description | Address Comparator Access Type 1 Register |
ACTR1 (R5_ETM_0) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| Secure_level | 11:10 | rwNormal read/write | 0x0 | Security level control. The permitted value is 00 (security level ignored) since the connected processor does not implements the Security Extensions. |
| Context_cmp_ctrl | 9:8 | rwNormal read/write | 0 | Context ID comparator control. The permitted values of this field are: 00: Ignore Context ID comparator. 01: Address comparator matches only if Context ID comparator value 1 matches. 10: Address comparator matches only if Context ID comparator value 2 matches. 11: Address comparator matches only if Context ID comparator value 3 matches. |
| Exact_match | 7 | rwNormal read/write | 0 | Exact match bit. Specifies comparator behavior when exceptions, aborts, and load misses occur. |
| Data_cmp_ctrl | 6:5 | rwNormal read/write | 0 | Data value comparison control. The permitted values of this field are: 00: No data value comparison is made. 10: Reserved and must not be used. 01: Comparator can match only if data value matches. 11: Comparator can match only if data value does not match. |
| Cmp_access_size | 4:3 | rwNormal read/write | 0 | Comparison access size. The permitted values of this field are: 00: Java instruction or byte data. 01: Thumb instruction or halfword data. 10: Reserved and must not be used. 11: Arm instruction or word data. |
| Access_type | 2:0 | rwNormal read/write | 0 | Access type. The permitted values of this field are: 000: Instruction fetch. 001: Instruction execute. 010: Instruction executed and passed condition code test. 011: Instruction executed and failed condition code test. 100: Data load or store. 101: Data load. 110: Data store. 111: Reserved and must not be used. |