tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ASM_I8259_H__
2#define __ASM_I8259_H__
3
4extern unsigned int cached_irq_mask;
5
6#define __byte(x,y) (((unsigned char *) &(y))[x])
7#define cached_master_mask (__byte(0, cached_irq_mask))
8#define cached_slave_mask (__byte(1, cached_irq_mask))
9
10extern spinlock_t i8259A_lock;
11
12extern void init_8259A(int auto_eoi);
13extern void enable_8259A_irq(unsigned int irq);
14extern void disable_8259A_irq(unsigned int irq);
15extern unsigned int startup_8259A_irq(unsigned int irq);
16
17#endif /* __ASM_I8259_H__ */