Table 6-12 Summary Of Aborts - ARM ARM1176JZF-S Technical Reference Manual

Abort type
Instruction MMU fault
Instruction debug abort
Instruction external abort on translation
Instruction external abort
Instruction cache maintenance operation
Data MMU fault
Data debug abort
Data external abort on translation
Data external abort
Data cache maintenance operation
a. When the EA bit is set, the updated FSR or FAR is always Secure.
b. Data Aborts can be precise, see External aborts on page 6-27 for more details.
ARM DDI 0301H
ID012310
Abort taken
Prefetch Abort
Prefetch Abort
Prefetch Abort
Prefetch Abort
Data Abort
Data Abort
Data Abort
Data Abort
Data Abort
Data Abort
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Table 6-12 Summary of aborts

Register updated?
Precise?
IFSR IFAR
Yes Yes Yes
Yes Yes No
a a Yes
Yes Yes
a a Yes
Yes Yes
Yes Yes No
Yes No No
No No No
a No No
Yes
No No
b
No
Yes No No
Memory Management Unit
DFSR FAR WFAR
No No No
No No No
No No No
No No No
Yes Yes No
Yes Yes No
Yes Yes Yes
a a a
Yes Yes No
Yes No
a
Yes
Yes Yes No
6-35