/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle */ #ifndef _ASM_IRQ_H #define _ASM_IRQ_H #include #include #include #ifdef CONFIG_I8259 static inline int irq_canonicalize(int irq) { return ((irq == 2) ? 9 : irq); } #else #define irq_canonicalize(irq) (irq) /* Sane hardware, sane code ... */ #endif struct pt_regs; extern asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs); #ifdef CONFIG_PREEMPT /* * do_IRQ handles all normal device IRQ's (the special * SMP cross-CPU interrupts have their own specific * handlers). * * Ideally there should be away to get this into kernel/irq/handle.c to * avoid the overhead of a call for just a tiny function ... */ #define do_IRQ(irq, regs) \ do { \ irq_enter(); \ __do_IRQ((irq), (regs)); \ irq_exit(); \ } while (0) #endif extern void arch_init_irq(void); extern void spurious_interrupt(struct pt_regs *regs); #endif /* _ASM_IRQ_H */