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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ASM_SH_IRQ_H
2#define __ASM_SH_IRQ_H
3
4#include <asm/machvec.h>
5
6/*
7 * A sane default based on a reasonable vector table size, platforms are
8 * advised to cap this at the hard limit that they're interested in
9 * through the machvec.
10 */
11#define NR_IRQS 256
12
13/*
14 * Convert back and forth between INTEVT and IRQ values.
15 */
16#ifdef CONFIG_CPU_HAS_INTEVT
17#define evt2irq(evt) (((evt) >> 5) - 16)
18#define irq2evt(irq) (((irq) + 16) << 5)
19#else
20#define evt2irq(evt) (evt)
21#define irq2evt(irq) (irq)
22#endif
23
24/*
25 * Simple Mask Register Support
26 */
27extern void make_maskreg_irq(unsigned int irq);
28extern unsigned short *irq_mask_register;
29
30/*
31 * PINT IRQs
32 */
33void init_IRQ_pint(void);
34void make_imask_irq(unsigned int irq);
35
36static inline int generic_irq_demux(int irq)
37{
38 return irq;
39}
40
41#define irq_canonicalize(irq) (irq)
42#define irq_demux(irq) sh_mv.mv_irq_demux(irq)
43
44#ifdef CONFIG_IRQSTACKS
45extern void irq_ctx_init(int cpu);
46extern void irq_ctx_exit(int cpu);
47# define __ARCH_HAS_DO_SOFTIRQ
48#else
49# define irq_ctx_init(cpu) do { } while (0)
50# define irq_ctx_exit(cpu) do { } while (0)
51#endif
52
53#endif /* __ASM_SH_IRQ_H */