Commit | Line | Data |
---|---|---|
e49ee290 RK |
1 | /* |
2 | * Mostly IRQ support for Hexagon | |
3 | * | |
7c6a5df4 | 4 | * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved. |
e49ee290 RK |
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> | |
e49ee290 RK |
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 | printk(KERN_EMERG "restart_r0: \t0x%08lx syscall_nr: %ld\n", | |
37 | regs->restart_r0, regs->syscall_nr); | |
38 | printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds); | |
39 | printk(KERN_EMERG "lc0: \t0x%08lx sa0: 0x%08lx m0: 0x%08lx\n", | |
40 | regs->lc0, regs->sa0, regs->m0); | |
41 | printk(KERN_EMERG "lc1: \t0x%08lx sa1: 0x%08lx m1: 0x%08lx\n", | |
42 | regs->lc1, regs->sa1, regs->m1); | |
43 | printk(KERN_EMERG "gp: \t0x%08lx ugp: 0x%08lx usr: 0x%08lx\n", | |
44 | regs->gp, regs->ugp, regs->usr); | |
60c4ba99 RK |
45 | printk(KERN_EMERG "cs0: \t0x%08lx cs1: 0x%08lx\n", |
46 | regs->cs0, regs->cs1); | |
e49ee290 RK |
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 | } |