diff options
Diffstat (limited to 'arch/h8300/kernel/traps.c')
| -rw-r--r-- | arch/h8300/kernel/traps.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/arch/h8300/kernel/traps.c b/arch/h8300/kernel/traps.c deleted file mode 100644 index a92c39e03802..000000000000 --- a/arch/h8300/kernel/traps.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * linux/arch/h8300/boot/traps.c -- general exception handling code - * H8/300 support Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Cloned from Linux/m68k. - * - * No original Copyright holder listed, - * Probable original (C) Roman Zippel (assigned DJD, 1999) - * - * Copyright 1999-2000 D. Jeff Dionne, <jeff@rt-control.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/sched/debug.h> -#include <linux/sched/task.h> -#include <linux/mm_types.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/bug.h> - -#include <asm/irq.h> -#include <asm/traps.h> -#include <asm/page.h> - -static DEFINE_SPINLOCK(die_lock); - -/* - * this must be called very early as the kernel might - * use some instruction that are emulated on the 060 - */ - -void __init base_trap_init(void) -{ -} - -asmlinkage void set_esp0(unsigned long ssp) -{ - current->thread.esp0 = ssp; -} - -/* - * Generic dumping code. Used for panic and debug. - */ - -static void dump(struct pt_regs *fp) -{ - unsigned long *sp; - unsigned char *tp; - int i; - - pr_info("\nCURRENT PROCESS:\n\n"); - pr_info("COMM=%s PID=%d\n", current->comm, current->pid); - if (current->mm) { - pr_info("TEXT=%08x-%08x DATA=%08x-%08x BSS=%08x-%08x\n", - (int) current->mm->start_code, - (int) current->mm->end_code, - (int) current->mm->start_data, - (int) current->mm->end_data, - (int) current->mm->end_data, - (int) current->mm->brk); - pr_info("USER-STACK=%08x KERNEL-STACK=%08lx\n\n", - (int) current->mm->start_stack, - (int) PAGE_SIZE+(unsigned long)current); - } - - show_regs(fp); - pr_info("\nCODE:"); - tp = ((unsigned char *) fp->pc) - 0x20; - for (sp = (unsigned long *) tp, i = 0; (i < 0x40); i += 4) { - if ((i % 0x10) == 0) - pr_info("\n%08x: ", (int) (tp + i)); - pr_info("%08x ", (int) *sp++); - } - pr_info("\n"); - - pr_info("\nKERNEL STACK:"); - tp = ((unsigned char *) fp) - 0x40; - for (sp = (unsigned long *) tp, i = 0; (i < 0xc0); i += 4) { - if ((i % 0x10) == 0) - pr_info("\n%08x: ", (int) (tp + i)); - pr_info("%08x ", (int) *sp++); - } - pr_info("\n"); - if (STACK_MAGIC != *(unsigned long *)((unsigned long)current+PAGE_SIZE)) - pr_info("(Possibly corrupted stack page??)\n"); - - pr_info("\n\n"); -} - -void die(const char *str, struct pt_regs *fp, unsigned long err) -{ - static int diecount; - - oops_enter(); - - console_verbose(); - spin_lock_irq(&die_lock); - report_bug(fp->pc, fp); - pr_crit("%s: %04lx [#%d] ", str, err & 0xffff, ++diecount); - dump(fp); - - spin_unlock_irq(&die_lock); - make_task_dead(SIGSEGV); -} - -static int kstack_depth_to_print = 24; - -void show_stack(struct task_struct *task, unsigned long *esp, const char *loglvl) -{ - unsigned long *stack, addr; - int i; - - if (esp == NULL) - esp = (unsigned long *) &esp; - - stack = esp; - - printk("%sStack from %08lx:", loglvl, (unsigned long)stack); - for (i = 0; i < kstack_depth_to_print; i++) { - if (((unsigned long)stack & (THREAD_SIZE - 1)) >= - THREAD_SIZE-4) - break; - if (i % 8 == 0) - printk("%s ", loglvl); - pr_cont(" %08lx", *stack++); - } - - printk("%s\nCall Trace:\n", loglvl); - i = 0; - stack = esp; - while (((unsigned long)stack & (THREAD_SIZE - 1)) < THREAD_SIZE-4) { - addr = *stack++; - /* - * If the address is either in the text segment of the - * kernel, or in the region which contains vmalloc'ed - * memory, it *may* be the address of a calling - * routine; if so, print it so that someone tracing - * down the cause of the crash will be able to figure - * out the call path that was taken. - */ - if (check_kernel_text(addr)) { - if (i % 4 == 0) - printk("%s ", loglvl); - pr_cont(" [<%08lx>]", addr); - i++; - } - } - printk("%s\n", loglvl); -} |