| 83,6 → 83,18 |
|---|
| panic("unhandled exception %s\n", exctable[n]); |
| } |
| |
| static void reserved_instr_exception(int n, istate_t *istate) |
| { |
| if (*((__u32 *)istate->epc) == 0x7c03e83b) { |
| ASSERT(THREAD); |
| istate->epc += 4; |
| istate->v1 = istate->k1; |
| } else { |
| print_regdump(istate); |
| panic("reserved instruction"); |
| } |
| } |
| |
| static void breakpoint_exception(int n, istate_t *istate) |
| { |
| #ifdef CONFIG_DEBUG |
| 142,6 → 154,7 |
|---|
| for (i=0;i < IVT_ITEMS; i++) |
| exc_register(i, "undef", (iroutine) unhandled_exception); |
| exc_register(EXC_Bp, "bkpoint", (iroutine) breakpoint_exception); |
| exc_register(EXC_RI, "resinstr", (iroutine) reserved_instr_exception); |
| exc_register(EXC_Mod, "tlb_mod", (iroutine) tlbmod_exception); |
| exc_register(EXC_TLBL, "tlbinvl", (iroutine) tlbinv_exception); |
| exc_register(EXC_TLBS, "tlbinvl", (iroutine) tlbinv_exception); |