dump_stack: unify debug information printed by show_regs()
[linux-3.10.git] / arch / hexagon / kernel / vm_events.c
1 /*
2  * Mostly IRQ support for Hexagon
3  *
4  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 and
8  * only version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18  * 02110-1301, USA.
19  */
20
21 #include <linux/kernel.h>
22 #include <asm/registers.h>
23 #include <linux/irq.h>
24 #include <linux/hardirq.h>
25
26 /*
27  * show_regs - print pt_regs structure
28  * @regs: pointer to pt_regs
29  *
30  * To-do:  add all the accessor definitions to registers.h
31  *
32  * Will make this routine a lot easier to write.
33  */
34 void show_regs(struct pt_regs *regs)
35 {
36         show_regs_print_info(KERN_EMERG);
37
38         printk(KERN_EMERG "restart_r0: \t0x%08lx   syscall_nr: %ld\n",
39                regs->restart_r0, regs->syscall_nr);
40         printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds);
41         printk(KERN_EMERG "lc0: \t0x%08lx   sa0: 0x%08lx   m0:  0x%08lx\n",
42                regs->lc0, regs->sa0, regs->m0);
43         printk(KERN_EMERG "lc1: \t0x%08lx   sa1: 0x%08lx   m1:  0x%08lx\n",
44                regs->lc1, regs->sa1, regs->m1);
45         printk(KERN_EMERG "gp: \t0x%08lx   ugp: 0x%08lx   usr: 0x%08lx\n",
46                regs->gp, regs->ugp, regs->usr);
47         printk(KERN_EMERG "r0: \t0x%08lx %08lx %08lx %08lx\n", regs->r00,
48                 regs->r01,
49                 regs->r02,
50                 regs->r03);
51         printk(KERN_EMERG "r4:  \t0x%08lx %08lx %08lx %08lx\n", regs->r04,
52                 regs->r05,
53                 regs->r06,
54                 regs->r07);
55         printk(KERN_EMERG "r8:  \t0x%08lx %08lx %08lx %08lx\n", regs->r08,
56                 regs->r09,
57                 regs->r10,
58                 regs->r11);
59         printk(KERN_EMERG "r12: \t0x%08lx %08lx %08lx %08lx\n", regs->r12,
60                 regs->r13,
61                 regs->r14,
62                 regs->r15);
63         printk(KERN_EMERG "r16: \t0x%08lx %08lx %08lx %08lx\n", regs->r16,
64                 regs->r17,
65                 regs->r18,
66                 regs->r19);
67         printk(KERN_EMERG "r20: \t0x%08lx %08lx %08lx %08lx\n", regs->r20,
68                 regs->r21,
69                 regs->r22,
70                 regs->r23);
71         printk(KERN_EMERG "r24: \t0x%08lx %08lx %08lx %08lx\n", regs->r24,
72                 regs->r25,
73                 regs->r26,
74                 regs->r27);
75         printk(KERN_EMERG "r28: \t0x%08lx %08lx %08lx %08lx\n", regs->r28,
76                 regs->r29,
77                 regs->r30,
78                 regs->r31);
79
80         printk(KERN_EMERG "elr: \t0x%08lx   cause: 0x%08lx   user_mode: %d\n",
81                 pt_elr(regs), pt_cause(regs), user_mode(regs));
82         printk(KERN_EMERG "psp: \t0x%08lx   badva: 0x%08lx   int_enabled: %d\n",
83                 pt_psp(regs), pt_badva(regs), ints_enabled(regs));
84 }
85
86 void dummy_handler(struct pt_regs *regs)
87 {
88         unsigned int elr = pt_elr(regs);
89         printk(KERN_ERR "Unimplemented handler; ELR=0x%08x\n", elr);
90 }
91
92
93 void arch_do_IRQ(struct pt_regs *regs)
94 {
95         int irq = pt_cause(regs);
96         struct pt_regs *old_regs = set_irq_regs(regs);
97
98         irq_enter();
99         generic_handle_irq(irq);
100         irq_exit();
101         set_irq_regs(old_regs);
102 }