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