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 * @{
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 * @{
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 */
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 */
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/** @file
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/** @file
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 */
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 */
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- 
 
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#include <ddi/irq.h>
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#include <interrupt.h>
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#include <interrupt.h>
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#include <arch/interrupt.h>
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#include <arch/interrupt.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <arch.h>
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#include <arch.h>
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#include <time/clock.h>
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#include <time/clock.h>
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#include <ipc/sysipc.h>
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#include <ipc/sysipc.h>
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#include <arch/drivers/pic.h>
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#include <arch/drivers/pic.h>
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#include <arch/mm/tlb.h>
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#include <arch/mm/tlb.h>
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#include <print.h>
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void start_decrementer(void)
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void start_decrementer(void)
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{
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{
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    asm volatile (
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    asm volatile (
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/** Handler of external interrupts */
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/** Handler of external interrupts */
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static void exception_external(int n, istate_t *istate)
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static void exception_external(int n, istate_t *istate)
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{
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{
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    int inum;
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    int inum;
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    while ((inum = pic_get_pending()) != -1) {
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    while ((inum = pic_get_pending()) != -1) {
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        exc_dispatch(inum + INT_OFFSET, istate);
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        irq_t *irq = irq_dispatch_and_lock(inum);
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        if (irq) {
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            /*
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             * The IRQ handler was found.
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             */
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            irq->handler(irq, irq->arg);
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            spinlock_unlock(&irq->lock);
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        } else {
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            /*
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             * Spurious interrupt.
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             */
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#ifdef CONFIG_DEBUG
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            printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
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#endif
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        }
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        pic_ack_interrupt(inum);
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        pic_ack_interrupt(inum);
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    }
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    }
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}
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}
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