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Merge pull request #392 from riscv/fesvr-no-dm-when-dmactive-0

FESVR: Can't read a DM register when DMACTIVE=0
pull/393/head
Andrew Waterman 6 years ago
committed by GitHub
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commit
ab141b814d
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  1. 2
      fesvr/dtm.cc

2
fesvr/dtm.cc

@ -137,7 +137,7 @@ void dtm_t::resume(int hartsel)
current_hart = hartsel;
if (running) {
write(DMI_DMCONTROL, 0);
write(DMI_DMCONTROL, DMI_DMCONTROL_DMACTIVE);
// Read dmstatus to avoid back-to-back writes to dmcontrol.
read(DMI_DMSTATUS);
}

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