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https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [mp3/] [sw/] [ints/] [excepts.txt] - Rev 1777
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Original in the or1k arch manual:
EXCEPTION EPCR NORMAL RESTART EPCR ESR[DSX]=1 RESTART ESR[DSX]=1 EEAR
Reset X X X X -
Bus Error PC EPCR PC-4 EPCR YES
Data Page Fault PC EPCR PC-4 EPCR YES
IPFault PC EPCR PC-4 EPCR YES
Low Priority EI PC EPCR+4 N/A N/A -
Alignment PC EPCR+4 PC-4 EPCR YES
Illegal Insn PC EPCR+4 PC-4 EPCR -
High Prio EI PC EPCR+4 N/A N/A -
D-TLB Miss PC EPCR PC-4 EPCR YES
I-TLB Miss PC EPCR PC-4 EPCR YES
Range PC EPCR+4 PC-4 EPCR -
System Call PC EPCR+4 N/A N/A -
Breakpoint PC EPCR+4 PC-4 EPCR -
New (how or1ksim and or1200 work/whould work):
EXCEPTION EPCR NORMAL RESTART EPCR ESR[DSX]=1 RESTART ESR[DSX]=1 EEAR
Reset X X X X -
Bus Error PC EPCR PC-4 EPCR YES
Data Page Fault PC EPCR PC-4 EPCR YES
IPFault PC EPCR PC-4 EPCR YES
Low Priority EI PC+4 EPCR N/A N/A -
Alignment PC+4 EPCR PC-4 EPCR YES
Illegal Insn PC+4 EPCR PC-4 EPCR -
High Prio EI PC+4 EPCR N/A N/A -
D-TLB Miss PC EPCR PC-4 EPCR YES
I-TLB Miss PC EPCR PC-4 EPCR YES
Range PC EPCR PC-4 EPCR -
System Call PC+4 EPCR N/A N/A -
Trap PC+4 EPCR-4 PC-4 EPCR -
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