Get Last Backup Information (Function Index 4)
This function returns information about the saved image.
Registers are defined in the Byte Addressable Energy Backed Interface specification.
Input
Arg3
None.
Output
| Field | Byte length | Byte offset | Register | Description |
|---|---|---|---|---|
| Status | 4 | 0 | See _DSM Method Output. | |
| Trigger Information | 4 | 4 | Byte 0: CSAVE_INFO0 (0, 0x80); Bytes 1-3: Reserved. | Information on whether or not there's a valid DRAM image saved in the non-volatile memory subsystem and the trigger source of the save operation. |
| Save Failure Information | 4 | 8 | Byte 0: SAVE_FAIL_INFO0 (0, 0x84); Byte 1: CSAVE_FAIL_INFO1 (0, 0x85); Bytes 2-3: Reserved. | Failure information of the save operation. |