Debug Snapshot Service

Generates a snapshot of the volatile fabric content. The volatile fabric data is read from each LSRAM, µSRAM and probe module and copied to the fabric APB debug port.

Table 1. Debug Snapshot Service Request
System Service Descriptor Bit Field Value Description
15:7 MBOXADDR[10:2] Mailbox address. See Table 2.
6:0 79H Debug Snapshot service command.

The following table lists the Debug Snapshot Service mailbox format.

Table 2. Debug Snapshot Service Mailbox Format
Offset Length (bytes) Parameter Direction Description
0 4 PORTADDR[28:0] Input Sets the address of the APB port. Bits 1:0 are ignored.
4 1 APBFASTWR Input Specifies the usage of fast APB protocol. If apb_fast_write is ‘1’ during write transfers, the fast APB protocol is used and the address range is limited to PORTADDR[15:2] and PORTADDR[28:16] is ignored.