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#include <time/clock.h>
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#include <time/clock.h>
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#include <panic.h>
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#include <panic.h>
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pri_t cpu_priority_high(void)
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pri_t cpu_priority_high(void)
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{
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{
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    pri_t pri = (pri_t) cp0_status_read();
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    pri_t pri = (pri_t) cp0_status_read();
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    cp0_status_write(pri & ~cp0_status_ie_enabled_bit);
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    cp0_status_write(pri & ~cp0_status_ie_enabled_bit);
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    return pri;
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    return pri;
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}
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}
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pri_t cpu_priority_low(void)
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pri_t cpu_priority_low(void)
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{
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{
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    pri_t pri = (pri_t) cp0_status_read();
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    pri_t pri = (pri_t) cp0_status_read();
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    cp0_status_write(pri | cp0_status_ie_enabled_bit);
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    cp0_status_write(pri | cp0_status_ie_enabled_bit);
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    return pri;
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    return pri;
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}
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}
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void cpu_priority_restore(pri_t pri)
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void cpu_priority_restore(pri_t pri)
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{
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{
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    cp0_status_write(cp0_status_read() | (pri & cp0_status_ie_enabled_bit));
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    cp0_status_write(cp0_status_read() | (pri & cp0_status_ie_enabled_bit));
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}
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}
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pri_t cpu_priority_read(void)
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pri_t cpu_priority_read(void)
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{
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{
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    return cp0_status_read();
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    return cp0_status_read();
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}
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}
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void interrupt(void)
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void interrupt(void)
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{
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{
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                case 6: /* IRQ4 */
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                case 6: /* IRQ4 */
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                    panic("unhandled interrupt %d\n", i);
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                    panic("unhandled interrupt %d\n", i);
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                    break;
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                    break;
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                case 7: /* Timer Interrupt */
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                case 7: /* Timer Interrupt */
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                    cp0_compare_write(cp0_compare_value); /* clear timer interrupt */
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                    cp0_compare_write(cp0_compare_value); /* clear timer interrupt */
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                    /* start counting over again */
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                    /* start counting over again */
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                    cp0_count_write(0);                
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                    cp0_count_write(0);
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                    clock();
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                    clock();
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                    break;
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                    break;
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            }
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            }
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        }
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        }
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    }
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    }