#ifndef __ASM_I8259_H__ #define __ASM_I8259_H__ extern unsigned int cached_irq_mask; #define __byte(x,y) (((unsigned char *) &(y))[x]) #define cached_master_mask (__byte(0, cached_irq_mask)) #define cached_slave_mask (__byte(1, cached_irq_mask)) extern spinlock_t i8259A_lock; extern void init_8259A(int auto_eoi); extern void enable_8259A_irq(unsigned int irq); extern void disable_8259A_irq(unsigned int irq); extern unsigned int startup_8259A_irq(unsigned int irq); #endif /* __ASM_I8259_H__ */