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495 giacomo 1 
#include <linuxcomp.h>
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#include <asm/ptrace.h>
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#include <asm-generic/errno-base.h>
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#include <linux/kernel.h>
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extern void *int_arg_table[64];
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extern void *int_func_table[64];
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int intr_count = 0;
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/*
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 * Generic Linux interrupt handler.
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 */
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void linux_intr(int irq)
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{
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        struct pt_regs regs;
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        intr_count++;  
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        if (int_func_table[irq] != NULL)
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                (* (void (*)(int, void *dev_id, struct pt_regs *))int_func_table[irq])(irq, int_arg_table[irq], &regs);
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        intr_count--;
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}
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/*
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 * Attach a handler to an IRQ.
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 */
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int request_irq(unsigned int irq, void (*handler)(int, void *dev_id, struct pt_regs *), unsigned long flags, const char *device, void *dev_id)
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{
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        shark_handler_set(irq, (void *)(handler), dev_id);
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        return 0;
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}
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/*
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 * Deallocate an irq.
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 */
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void free_irq(unsigned int irq, void *a)
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{
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        shark_handler_remove(irq);
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}