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On exception handle, NEMU (as DUT) mismatch with Spike #394

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shinezyy opened this issue Jul 12, 2024 · 1 comment
Closed

On exception handle, NEMU (as DUT) mismatch with Spike #394

shinezyy opened this issue Jul 12, 2024 · 1 comment

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@shinezyy
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When trapping on exception, occasionally, NEMU has executed csrrw tp,mscratch,tp, but Spike has not. It seems that Spike is one step behind NEMU.

I tried advances Spike for one more step, its architectural state will match with NEMU again.

Similar behavior has been observed when GEM5 is DUT and NEMU is reference.
@shinezyy
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fixed in #407

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@shinezyy