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{
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{
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    int excno;
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    int excno;
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    __u32 epc;
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    __u32 epc;
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    __u32 epc_shift = 0;
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    __u32 epc_shift = 0;
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    pri_t pri;
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    pri_t pri;
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    /*
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     * NOTE ON OPERATION ORDERING
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     *
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     * On entry, cpu_priority_high() must be called before exception bit is cleared.
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     * On exit, exception bit must be set before cpu_priority_restore() is called.
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     */
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    pri = cpu_priority_high();
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    pri = cpu_priority_high();
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    epc = cp0_epc_read();
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    epc = cp0_epc_read();
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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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    if (THREAD) {
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    if (THREAD) {