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