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Change WFI behavior : halt simulation

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Valentin Haudiquet
2023-10-11 17:35:32 +02:00
parent 13f7f21b49
commit 9e895e9032
1 changed files with 2 additions and 1 deletions
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3
src/cpu/rv32cpu.c
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@@ -525,7 +525,8 @@ static void cpu_execute(rv32_cpu_t* cpu, instruction_t* instruction)
fprintf(stderr, "SFENCE.VMA: Guest kernel must think we have an MMU. We have none.\n"); fprintf(stderr, "SFENCE.VMA: Guest kernel must think we have an MMU. We have none.\n");
break; break;
case FUNC7_WFI: case FUNC7_WFI:
fprintf(stderr, "WFI: Guest kernel must think we have interrupts. We have none.\n"); fprintf(stderr, "WFI: Guest kernel must think we have interrupts. We have none. Halting simulation.\n");
cpu->sim_ticks_left = 1;
break; break;
default: default:
fprintf(stderr, "FATAL: Unknown IMM for ECALL/EBREAK instruction while executing (IMM=0x%x)\n", instruction->immediate); fprintf(stderr, "FATAL: Unknown IMM for ECALL/EBREAK instruction while executing (IMM=0x%x)\n", instruction->immediate);