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csr: add rm permit check
#438
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sinceforYy
closed
3 weeks ago
sinceforYy
commented
1 month ago
when 0 <= rm <= 4, execute inst as usual
when rm = 5/6, execute inst will raise EX_II
when rm = 7, rm = frm.data, if rm > 4, execute inst will raise EX_II
rm = frm.data for vf* inst
inst rely on Spike