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/*

 * 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;

extern int timer_interrupt(struct pt_regs *);

extern void ppc_irq_dispatch_handler(struct pt_regs *regs, int irq);

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();})

#define __save_and_sti(flags) ({__save_flags(flags);__sti();})

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__ */