diff options
Diffstat (limited to 'arch/avr32/kernel/nmi_debug.c')
-rw-r--r-- | arch/avr32/kernel/nmi_debug.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/avr32/kernel/nmi_debug.c b/arch/avr32/kernel/nmi_debug.c deleted file mode 100644 index 2582304..0000000 --- a/arch/avr32/kernel/nmi_debug.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (C) 2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/delay.h> -#include <linux/kdebug.h> -#include <linux/notifier.h> -#include <linux/sched.h> -#include <linux/sched/debug.h> - -#include <asm/irq.h> - -enum nmi_action { - NMI_SHOW_STATE = 1 << 0, - NMI_SHOW_REGS = 1 << 1, - NMI_DIE = 1 << 2, - NMI_DEBOUNCE = 1 << 3, -}; - -static unsigned long nmi_actions; - -static int nmi_debug_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - struct die_args *args = data; - - if (likely(val != DIE_NMI)) - return NOTIFY_DONE; - - if (nmi_actions & NMI_SHOW_STATE) - show_state(); - if (nmi_actions & NMI_SHOW_REGS) - show_regs(args->regs); - if (nmi_actions & NMI_DEBOUNCE) - mdelay(10); - if (nmi_actions & NMI_DIE) - return NOTIFY_BAD; - - return NOTIFY_OK; -} - -static struct notifier_block nmi_debug_nb = { - .notifier_call = nmi_debug_notify, -}; - -static int __init nmi_debug_setup(char *str) -{ - char *p, *sep; - - register_die_notifier(&nmi_debug_nb); - if (nmi_enable()) { - printk(KERN_WARNING "Unable to enable NMI.\n"); - return 0; - } - - if (*str != '=') - return 0; - - for (p = str + 1; *p; p = sep + 1) { - sep = strchr(p, ','); - if (sep) - *sep = 0; - if (strcmp(p, "state") == 0) - nmi_actions |= NMI_SHOW_STATE; - else if (strcmp(p, "regs") == 0) - nmi_actions |= NMI_SHOW_REGS; - else if (strcmp(p, "debounce") == 0) - nmi_actions |= NMI_DEBOUNCE; - else if (strcmp(p, "die") == 0) - nmi_actions |= NMI_DIE; - else - printk(KERN_WARNING "NMI: Unrecognized action `%s'\n", - p); - if (!sep) - break; - } - - return 0; -} -__setup("nmi_debug", nmi_debug_setup); |