hw_irq.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * BK Id: SCCS/s.hw_irq.h 1.10 05/17/01 18:14:24 cort
- */
- /*
- * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
- */
- #ifdef __KERNEL__
- #ifndef _PPC_HW_IRQ_H
- #define _PPC_HW_IRQ_H
- extern unsigned long timer_interrupt_intercept;
- extern unsigned long do_IRQ_intercept;
- int timer_interrupt(struct pt_regs *);
- extern void __sti(void);
- extern void __cli(void);
- extern void __restore_flags(unsigned long);
- extern void __save_flags_ptr(unsigned long *);
- extern unsigned long __sti_end, __cli_end, __restore_flags_end, __save_flags_ptr_end;
- #define __save_flags(flags) __save_flags_ptr((unsigned long *)&flags)
- #define __save_and_cli(flags) ({__save_flags(flags);__cli();})
- extern void do_lost_interrupts(unsigned long);
- #define mask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->disable) irq_desc[irq].handler->disable(irq);})
- #define unmask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->enable) irq_desc[irq].handler->enable(irq);})
- #define ack_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->ack) irq_desc[irq].handler->ack(irq);})
- /* Should we handle this via lost interrupts and IPIs or should we don't care like
- * we do now ? --BenH.
- */
- struct hw_interrupt_type;
- static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
- #endif /* _PPC_HW_IRQ_H */
- #endif /* __KERNEL__ */