| 51,6 → 51,9 |
|---|
| cpu_priority_high(); |
| cp0_status_write(cp0_status_read() & ~ (cp0_status_exl_exception_bit | |
| cp0_status_um_bit)); |
| /* Save pstate so that the threads can access it */ |
| if (THREAD) |
| THREAD->pstate = pstate; |
| |
| /* decode exception number and process the exception */ |
| switch (excno = (cp0_cause_read() >> 2) & 0x1f) { |
| 85,7 → 88,11 |
|---|
| panic("unhandled Reserved Instruction Exception\n"); |
| break; |
| case EXC_CpU: |
| #ifdef FPU_LAZY |
| scheduler_fpu_lazy_request(); |
| #else |
| panic("unhandled Coprocessor Unusable Exception\n"); |
| #endif |
| break; |
| case EXC_Ov: |
| panic("unhandled Arithmetic Overflow Exception\n"); |
| 110,4 → 117,8 |
|---|
| } |
| |
| pstate->epc += epc_shift; |
| /* Probable not needed, but just for sure that nobody |
| * will continue accessing it */ |
| if (THREAD) |
| THREAD->pstate = NULL; |
| } |