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IOMM Registers

6.7.10 FAULT_STATUS_REG: Fault Status Register

This register holds the status and attributes of the first fault transfer.

Figure 6-19. FAULT_STATUS_REG: Fault Status Register (Offset = F8h)

31 28 27 24 23 16

Reserved FAULT_ID FAULT_MSTID

R-0 R-0 R-0

15 13 12 9 8 7 6 5 0

Reserved FAULT_PRIVID Rsvd FAULT_NS Rsvd FAULT_TYPE

R-0 R-0 R-0 R-0 R-0 R-0

LEGEND: R/W = Read/Write; R = Read only; C = Clear; -n = value after reset

Table 6-22. Fault Status Register Field Descriptions

Bit Field Value Description

31-28 Reserved 0 Reads return zeros, writes have no effect.

27-24 FAULT_ID Faulting Transaction ID

23-16 FAULT_MSTID ID of Master that initiated the faulting transaction

15-13 Reserved 0 Reads return zeros, writes have no effect.

12-9 FAULT_PRIVID Faulting Privilege ID

8 Reserved 0 Reads return zeros, writes have no effect.

7 FAULT_NS Fault: Non-secure access detected

6 Reserved 0 Reads return zeros, writes have no effect.

5-0 FAULT_TYPE Type of fault detected

0 No fault

1h User execute fault

2h User write fault

4h User read fault

8h Supervisor execute fault

10h Supervisor write fault

20h Supervisor read fault

319

SPNU562–May 2014 I/O Multiplexing and Control Module (IOMM)

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