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Rev 2089 Rev 2107
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        drift -= cp0_compare_value;
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        drift -= cp0_compare_value;
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        CPU->missed_clock_ticks++;
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        CPU->missed_clock_ticks++;
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    }
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    }
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    nextcount = cp0_count_read() + cp0_compare_value - drift;
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    nextcount = cp0_count_read() + cp0_compare_value - drift;
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    cp0_compare_write(nextcount);
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    cp0_compare_write(nextcount);
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    /*
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     * We are holding a lock which prevents preemption.
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     * Release the lock, call clock() and reacquire the lock again.
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     */
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    spinlock_unlock(&irq->lock);
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    clock();
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    clock();
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    spinlock_lock(&irq->lock);
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    if (virtual_timer_fnc != NULL)
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    if (virtual_timer_fnc != NULL)
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        virtual_timer_fnc();
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        virtual_timer_fnc();
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}
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}
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