The IAP image authentication system service parses an image stored in the SPI flash and verifies the integrity of the image descriptor, bitstream, and design initialization data.
The following table lists the fields in an IAP image authentication service request.
| System Service Descriptor Bit Field | Value | Description |
|---|---|---|
| 15 | — |
Reserved. |
| 14:7 | IMAGEID[7:0] | Identifies the image index in the SPI directory for image authentication. |
| 6:0 | 22H | Authenticates image command. |