Original in the or1k arch manual:
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Original in the or1k arch manual:
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EXCEPTION EPCR NORMAL RESTART EPCR ESR[DSX]=1 RESTART ESR[DSX]=1 EEAR
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EXCEPTION EPCR NORMAL RESTART EPCR ESR[DSX]=1 RESTART ESR[DSX]=1 EEAR
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Reset X X X X -
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Reset X X X X -
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Bus Error PC EPCR PC-4 EPCR YES
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Bus Error PC EPCR PC-4 EPCR YES
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Data Page Fault PC EPCR PC-4 EPCR YES
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Data Page Fault PC EPCR PC-4 EPCR YES
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IPFault PC EPCR PC-4 EPCR YES
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IPFault PC EPCR PC-4 EPCR YES
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Low Priority EI PC EPCR+4 N/A N/A -
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Low Priority EI PC EPCR+4 N/A N/A -
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Alignment PC EPCR+4 PC-4 EPCR YES
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Alignment PC EPCR+4 PC-4 EPCR YES
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Illegal Insn PC EPCR+4 PC-4 EPCR -
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Illegal Insn PC EPCR+4 PC-4 EPCR -
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High Prio EI PC EPCR+4 N/A N/A -
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High Prio EI PC EPCR+4 N/A N/A -
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D-TLB Miss PC EPCR PC-4 EPCR YES
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D-TLB Miss PC EPCR PC-4 EPCR YES
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I-TLB Miss PC EPCR PC-4 EPCR YES
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I-TLB Miss PC EPCR PC-4 EPCR YES
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Range PC EPCR+4 PC-4 EPCR -
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Range PC EPCR+4 PC-4 EPCR -
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System Call PC EPCR+4 N/A N/A -
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System Call PC EPCR+4 N/A N/A -
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Breakpoint PC EPCR+4 PC-4 EPCR -
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Breakpoint PC EPCR+4 PC-4 EPCR -
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New (how or1ksim and or1200 work/whould work):
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New (how or1ksim and or1200 work/whould work):
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EXCEPTION EPCR NORMAL RESTART EPCR ESR[DSX]=1 RESTART ESR[DSX]=1 EEAR
|
EXCEPTION EPCR NORMAL RESTART EPCR ESR[DSX]=1 RESTART ESR[DSX]=1 EEAR
|
Reset X X X X -
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Reset X X X X -
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Bus Error PC EPCR PC-4 EPCR YES
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Bus Error PC EPCR PC-4 EPCR YES
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Data Page Fault PC EPCR PC-4 EPCR YES
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Data Page Fault PC EPCR PC-4 EPCR YES
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IPFault PC EPCR PC-4 EPCR YES
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IPFault PC EPCR PC-4 EPCR YES
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Low Priority EI PC+4 EPCR N/A N/A -
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Low Priority EI PC+4 EPCR N/A N/A -
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Alignment PC+4 EPCR PC-4 EPCR YES
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Alignment PC+4 EPCR PC-4 EPCR YES
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Illegal Insn PC+4 EPCR PC-4 EPCR -
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Illegal Insn PC+4 EPCR PC-4 EPCR -
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High Prio EI PC+4 EPCR N/A N/A -
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High Prio EI PC+4 EPCR N/A N/A -
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D-TLB Miss PC EPCR PC-4 EPCR YES
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D-TLB Miss PC EPCR PC-4 EPCR YES
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I-TLB Miss PC EPCR PC-4 EPCR YES
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I-TLB Miss PC EPCR PC-4 EPCR YES
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Range PC EPCR PC-4 EPCR -
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Range PC EPCR PC-4 EPCR -
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System Call PC+4 EPCR N/A N/A -
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System Call PC+4 EPCR N/A N/A -
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Trap PC+4 EPCR-4 PC-4 EPCR -
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Trap PC+4 EPCR-4 PC-4 EPCR -
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