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IOMM Registers
335
SPNU563A–March 2018
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I/O Multiplexing and Control Module (IOMM)
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 = Read only; -n = value after reset
Table 6-22. Fault Status Register Field Descriptions
Bit Field Value Description
31-28 Reserved 0 Reads return 0, 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 0, writes have no effect.
12-9 FAULT_PRIVID Faulting Privilege ID
8 Reserved 0 Reads return 0, writes have no effect.
7 FAULT_NS Fault: Non-secure access detected
6 Reserved 0 Reads return 0, 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
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