18 lines
505 B
C
18 lines
505 B
C
|
#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__ */
|