Intel® Core™ Ultra 200V Series Processors SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831520 | 09/03/2024 | 001 | Public |
Status Register (STS) – Offset fed20000
This register is used to read the status of the Command/Status Engine functional block
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 63:17 | 0h | RO | Reserved |
| 16 | 0h | RO | Locality2 Open Status (LOCALITY2_OPEN_STS) This bit is set when either the CMD_OPEN_LOCALITY2 command or the CMD.OPEN.PRIVATE is seen. It is cleared on reset or when either CMD_CLOSE_LOCALITY2 or CMD.CLOSE.PRIVATE is seen. This bit can be used by SW as a positive indication that the command has taken effect. Note that HW should not set or clear this bit until the internal hardware will guarantee that incoming cycles will be decoded based on the state change caused by the OPEN or CLOSE command. |
| 15 | 0h | RO | Locality1 Open Status (LOCALITY1_OPEN_STS) This bit is set when the CMD_OPEN_LOCALITY1 command is seen. It is cleared on reset or when CMD_CLOSE_LOCALITY1 is seen. This bit can be used by SW as a positive indication that the command has taken effect. Note that HW should not set or clear this bit until the internal hardware will guarantee that incoming cycles will be decoded based on the state change caused by the OPEN or CLOSE command. |
| 14:8 | 0h | RO | Reserved |
| 7 | 0h | RO | Private_Open Status (PRIVATEOPEN_STS) This bit will be set to 1 when (CMD_OPEN_PRIVATE is decoded AND ESTS[[0] = '0'). |
| 6:2 | 0h | RO | Reserved |
| 1 | 0h | RO/V | SEXIT Done Status (SEXIT_DONE_STS) This bit is set when all of the bits in the JOIN register are clear. Thus, this bit will be set immediately after reset (since the bits are all 0). |
| 0 | 0h | RO/V | SENTER Done Status (SENTER_DONE_STS) This bit is set when the JOINS register exactly equals the EXISTS register. |