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Support CSR_INSTRETH for insn counter high bits #624

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Merged
merged 1 commit into from
Oct 20, 2025
Merged

Support CSR_INSTRETH for insn counter high bits #624

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2 changes: 2 additions & 0 deletions src/emulate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,8 @@ static uint32_t *csr_get_ptr(riscv_t *rv, uint32_t csr)
return &rv->csr_time[1];
case CSR_INSTRET: /* Number of Instructions Retired Counter */
return (uint32_t *) (&rv->csr_cycle);
case CSR_INSTRETH: /* Upper 32 bits of instructions retired */
return &((uint32_t *) &rv->csr_cycle)[1];
#if RV32_HAS(EXT_F)
case CSR_FFLAGS:
return (uint32_t *) (&rv->csr_fcsr);
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