1/* 2 * BK Id: SCCS/s.hw_irq.h 1.10 05/17/01 18:14:24 cort 3 */ 4/* 5 * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> 6 */ 7#ifdef __KERNEL__ 8#ifndef _PPC_HW_IRQ_H 9#define _PPC_HW_IRQ_H 10 11extern unsigned long timer_interrupt_intercept; 12extern unsigned long do_IRQ_intercept; 13extern int timer_interrupt(struct pt_regs *); 14extern void ppc_irq_dispatch_handler(struct pt_regs *regs, int irq); 15 16extern void __sti(void); 17extern void __cli(void); 18extern void __restore_flags(unsigned long); 19extern void __save_flags_ptr(unsigned long *); 20extern unsigned long __sti_end, __cli_end, __restore_flags_end, __save_flags_ptr_end; 21 22#define __save_flags(flags) __save_flags_ptr((unsigned long *)&flags) 23#define __save_and_cli(flags) ({__save_flags(flags);__cli();}) 24 25extern void do_lost_interrupts(unsigned long); 26 27#define mask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->disable) irq_desc[irq].handler->disable(irq);}) 28#define unmask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->enable) irq_desc[irq].handler->enable(irq);}) 29#define ack_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->ack) irq_desc[irq].handler->ack(irq);}) 30 31/* Should we handle this via lost interrupts and IPIs or should we don't care like 32 * we do now ? --BenH. 33 */ 34struct hw_interrupt_type; 35static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {} 36 37 38#endif /* _PPC_HW_IRQ_H */ 39#endif /* __KERNEL__ */ 40