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-rw-r--r--arch/sh64/kernel/irq.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/sh64/kernel/irq.c b/arch/sh64/kernel/irq.c
deleted file mode 100644
index 9412b7166700..000000000000
--- a/arch/sh64/kernel/irq.c
+++ /dev/null
@@ -1,115 +0,0 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * arch/sh64/kernel/irq.c
7 *
8 * Copyright (C) 2000, 2001 Paolo Alberelli
9 * Copyright (C) 2003 Paul Mundt
10 *
11 */
12
13/*
14 * IRQs are in fact implemented a bit like signal handlers for the kernel.
15 * Naturally it's not a 1:1 relation, but there are similarities.
16 */
17
18#include <linux/errno.h>
19#include <linux/kernel_stat.h>
20#include <linux/signal.h>
21#include <linux/rwsem.h>
22#include <linux/sched.h>
23#include <linux/ioport.h>
24#include <linux/interrupt.h>
25#include <linux/timex.h>
26#include <linux/slab.h>
27#include <linux/random.h>
28#include <linux/smp.h>
29#include <linux/init.h>
30#include <linux/seq_file.h>
31#include <linux/bitops.h>
32#include <asm/system.h>
33#include <asm/io.h>
34#include <asm/smp.h>
35#include <asm/pgalloc.h>
36#include <asm/delay.h>
37#include <asm/irq.h>
38#include <linux/irq.h>
39
40void ack_bad_irq(unsigned int irq)
41{
42 printk("unexpected IRQ trap at irq %02x\n", irq);
43}
44
45#if defined(CONFIG_PROC_FS)
46int show_interrupts(struct seq_file *p, void *v)
47{
48 int i = *(loff_t *) v, j;
49 struct irqaction * action;
50 unsigned long flags;
51
52 if (i == 0) {
53 seq_puts(p, " ");
54 for_each_online_cpu(j)
55 seq_printf(p, "CPU%d ",j);
56 seq_putc(p, '\n');
57 }
58
59 if (i < NR_IRQS) {
60 spin_lock_irqsave(&irq_desc[i].lock, flags);
61 action = irq_desc[i].action;
62 if (!action)
63 goto unlock;
64 seq_printf(p, "%3d: ",i);
65 seq_printf(p, "%10u ", kstat_irqs(i));
66 seq_printf(p, " %14s", irq_desc[i].chip->typename);
67 seq_printf(p, " %s", action->name);
68
69 for (action=action->next; action; action = action->next)
70 seq_printf(p, ", %s", action->name);
71 seq_putc(p, '\n');
72unlock:
73 spin_unlock_irqrestore(&irq_desc[i].lock, flags);
74 }
75 return 0;
76}
77#endif
78
79/*
80 * do_NMI handles all Non-Maskable Interrupts.
81 */
82asmlinkage void do_NMI(unsigned long vector_num, struct pt_regs * regs)
83{
84 if (regs->sr & 0x40000000)
85 printk("unexpected NMI trap in system mode\n");
86 else
87 printk("unexpected NMI trap in user mode\n");
88
89 /* No statistics */
90}
91
92/*
93 * do_IRQ handles all normal device IRQ's.
94 */
95asmlinkage int do_IRQ(unsigned long vector_num, struct pt_regs * regs)
96{
97 struct pt_regs *old_regs = set_irq_regs(regs);
98 int irq;
99
100 irq_enter();
101
102 irq = irq_demux(vector_num);
103
104 if (irq >= 0) {
105 __do_IRQ(irq);
106 } else {
107 printk("unexpected IRQ trap at vector %03lx\n", vector_num);
108 }
109
110 irq_exit();
111
112 set_irq_regs(old_regs);
113 return 1;
114}
115