Exceptions While Executing An Exception Handler - Analog Devices ADSP-BF53x Blackfin Reference

Hardware Errors and Exception Handling
Table 4-12. Exceptions by Descending Priority (Cont'd)
Priority
9
10
11
12
13
14
15
16
17
18
19
20
21

Exceptions While Executing an Exception Handler

While executing the exception handler, avoid issuing an instruction that
generates another exception. If an exception is caused while executing
code within the exception handler, the NMI handler, the reset vector, or
in emulator mode:
• The excepting instruction is not committed. All writebacks from
the instruction are prevented.
• The generated exception is not taken.
4-66 ADSP-BF53x/BF56x Blackfin Processor Programming Reference
Exception
Illegal Combination
Illegal Use of Protected Resource
DAG0 Multiple CPLB Hits
DAG0 Misaligned Access
DAG0 Protection Violation
DAG0 CPLB Miss
DAG1 Multiple CPLB Hits
DAG1 Misaligned Access
DAG1 Protection Violation
DAG1 CPLB Miss
EXCPT Instruction
Single Step
Trace Buffer
EXCAUSE
0x22
0x2E
0x27
0x24
0x23
0x26
0x27
0x24
0x23
0x26
m field
0x10
0x11