4 #include <linux/cpumask.h>
5 #include <asm/machvec.h>
8 * Only legacy non-sparseirq platforms have to set a reasonably sane
9 * value here. sparseirq platforms allocate their irq_descs on the fly,
10 * so will expand automatically based on the number of registered IRQs.
12 #ifdef CONFIG_SPARSE_IRQ
19 * This is a special IRQ number for indicating that no IRQ has been
20 * triggered and to simply ignore the IRQ dispatch. This is a special
21 * case that can happen with IRQ auto-distribution when multiple CPUs
22 * are woken up and signalled in parallel.
24 #define NO_IRQ_IGNORE ((unsigned int)-1)
27 * Simple Mask Register Support
29 extern void make_maskreg_irq(unsigned int irq);
30 extern unsigned short *irq_mask_register;
35 void init_IRQ_pint(void);
36 void make_imask_irq(unsigned int irq);
38 static inline int generic_irq_demux(int irq)
43 #define irq_demux(irq) sh_mv.mv_irq_demux(irq)
46 void migrate_irqs(void);
48 asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
50 #ifdef CONFIG_IRQSTACKS
51 extern void irq_ctx_init(int cpu);
52 extern void irq_ctx_exit(int cpu);
53 # define __ARCH_HAS_DO_SOFTIRQ
55 # define irq_ctx_init(cpu) do { } while (0)
56 # define irq_ctx_exit(cpu) do { } while (0)
59 #ifdef CONFIG_INTC_BALANCING
60 extern unsigned int irq_lookup(unsigned int irq);
61 extern void irq_finish(unsigned int irq);
63 #define irq_lookup(irq) (irq)
64 #define irq_finish(irq) do { } while (0)
67 #include <asm-generic/irq.h>
72 #endif /* __ASM_SH_IRQ_H */