ints.h

这个linux源代码是很全面的~基本完整了~使用c编译的~由于时间问题我没有亲自测试~但就算用来做参考资料也是非常好的

extern void hp300_init_IRQ(void);
extern void (*hp300_handlers[8])(int, void *, struct pt_regs *);
extern void hp300_free_irq(unsigned int irq, void *dev_id);
extern int hp300_request_irq(unsigned int irq,
		void (*handler) (int, void *, struct pt_regs *),
		unsigned long flags, const char *devname, void *dev_id);

/* number of interrupts, includes 0 (what's that?) */
#define HP300_NUM_IRQS 8