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Add dummy WFI implementation #470

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merged 1 commit into from
Aug 18, 2024
Merged

Add dummy WFI implementation #470

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2 changes: 2 additions & 0 deletions src/decode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -835,6 +835,8 @@ static inline bool op_system(rv_insn_t *ir, const uint32_t insn)
ir->opcode = rv_insn_ebreak;
break;
case 0x105: /* WFI: Wait for Interrupt */
ir->opcode = rv_insn_wfi;
break;
case 0x002: /* URET: return from traps in U-mode */
case 0x202: /* HRET: return from traps in H-mode */
/* illegal instruction */
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3 changes: 2 additions & 1 deletion src/rv32_template.c
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Expand Up @@ -982,8 +982,9 @@ RVOP(
RVOP(
wfi,
{
PC += 4;
/* FIXME: Implement */
return false;
goto end_op;
},
GEN({
assert; /* FIXME: Implement */
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