1 files changed, 0 insertions, 241 deletions
diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c
deleted file mode 100644
index d4bc80469218..000000000000
--- a/arch/cris/kernel/traps.c
+++ /dev/null
@@ -1,241 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  linux/arch/cris/traps.c
- *
- *  Here we handle the break vectors not used by the system call
- *  mechanism, as well as some general stack/register dumping
- *  things.
- *
- *  Copyright (C) 2000-2007 Axis Communications AB
- *
- *  Authors:   Bjorn Wesen
- *             Hans-Peter Nilsson
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/utsname.h>
-#include <linux/sched/debug.h>
-#ifdef CONFIG_KALLSYMS
-#include <linux/kallsyms.h>
-#endif
-
-#include <asm/pgtable.h>
-#include <linux/uaccess.h>
-#include <arch/system.h>
-
-extern void arch_enable_nmi(void);
-extern void stop_watchdog(void);
-extern void reset_watchdog(void);
-extern void show_registers(struct pt_regs *regs);
-
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-extern void handle_BUG(struct pt_regs *regs);
-#else
-#define handle_BUG(regs)
-#endif
-
-static int kstack_depth_to_print = 24;
-
-void (*nmi_handler)(struct pt_regs *);
-
-void show_trace(unsigned long *stack)
-{
-	unsigned long addr, module_start, module_end;
-	extern char _stext[], _etext[];
-	int i;
-
-	pr_err("\nCall Trace: ");
-
-	i = 1;
-	module_start = VMALLOC_START;
-	module_end = VMALLOC_END;
-
-	while (((long)stack & (THREAD_SIZE - 1)) != 0) {
-		if (__get_user(addr, stack)) {
-			/* This message matches "failing address" marked
-			   s390 in ksymoops, so lines containing it will
-			   not be filtered out by ksymoops.  */
-			pr_err("Failing address 0x%lx\n", (unsigned long)stack);
-			break;
-		}
-		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 (((addr >= (unsigned long)_stext) &&
-		     (addr <= (unsigned long)_etext)) ||
-		    ((addr >= module_start) && (addr <= module_end))) {
-#ifdef CONFIG_KALLSYMS
-			print_ip_sym(addr);
-#else
-			if (i && ((i % 8) == 0))
-				pr_err("\n       ");
-			pr_err("[<%08lx>] ", addr);
-			i++;
-#endif
-		}
-	}
-}
-
-/*
- * These constants are for searching for possible module text
- * segments. MODULE_RANGE is a guess of how much space is likely
- * to be vmalloced.
- */
-
-#define MODULE_RANGE (8*1024*1024)
-
-/*
- * The output (format, strings and order) is adjusted to be usable with
- * ksymoops-2.4.1 with some necessary CRIS-specific patches.  Please don't
- * change it unless you're serious about adjusting ksymoops and syncing
- * with the ksymoops maintainer.
- */
-
-void
-show_stack(struct task_struct *task, unsigned long *sp)
-{
-	unsigned long *stack, addr;
-	int i;
-
-	/*
-	 * debugging aid: "show_stack(NULL);" prints a
-	 * back trace.
-	 */
-
-	if (sp == NULL) {
-		if (task)
-			sp = (unsigned long*)task->thread.ksp;
-		else
-			sp = (unsigned long*)rdsp();
-	}
-
-	stack = sp;
-
-	pr_err("\nStack from %08lx:\n       ", (unsigned long)stack);
-	for (i = 0; i < kstack_depth_to_print; i++) {
-		if (((long)stack & (THREAD_SIZE-1)) == 0)
-			break;
-		if (i && ((i % 8) == 0))
-			pr_err("\n       ");
-		if (__get_user(addr, stack)) {
-			/* This message matches "failing address" marked
-			   s390 in ksymoops, so lines containing it will
-			   not be filtered out by ksymoops.  */
-			pr_err("Failing address 0x%lx\n", (unsigned long)stack);
-			break;
-		}
-		stack++;
-		pr_err("%08lx ", addr);
-	}
-	show_trace(sp);
-}
-
-#if 0
-/* displays a short stack trace */
-
-int
-show_stack(void)
-{
-	unsigned long *sp = (unsigned long *)rdusp();
-	int i;
-
-	pr_err("Stack dump [0x%08lx]:\n", (unsigned long)sp);
-	for (i = 0; i < 16; i++)
-		pr_err("sp + %d: 0x%08lx\n", i*4, sp[i]);
-	return 0;
-}
-#endif
-
-void set_nmi_handler(void (*handler)(struct pt_regs *))
-{
-	nmi_handler = handler;
-	arch_enable_nmi();
-}
-
-#ifdef CONFIG_DEBUG_NMI_OOPS
-void oops_nmi_handler(struct pt_regs *regs)
-{
-	stop_watchdog();
-	oops_in_progress = 1;
-	pr_err("NMI!\n");
-	show_registers(regs);
-	oops_in_progress = 0;
-	oops_exit();
-	pr_err("\n"); /* Flush mtdoops.  */
-}
-
-static int __init oops_nmi_register(void)
-{
-	set_nmi_handler(oops_nmi_handler);
-	return 0;
-}
-
-__initcall(oops_nmi_register);
-
-#endif
-
-/*
- * This gets called from entry.S when the watchdog has bitten. Show something
- * similar to an Oops dump, and if the kernel is configured to be a nice
- * doggy, then halt instead of reboot.
- */
-void watchdog_bite_hook(struct pt_regs *regs)
-{
-#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
-	local_irq_disable();
-	stop_watchdog();
-	show_registers(regs);
-
-	while (1)
-		; /* Do nothing. */
-#else
-	show_registers(regs);
-#endif
-}
-
-/* This is normally the Oops function. */
-void die_if_kernel(const char *str, struct pt_regs *regs, long err)
-{
-	if (user_mode(regs))
-		return;
-
-#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
-	/*
-	 * This printout might take too long and could trigger
-	 * the watchdog normally. If NICE_DOGGY is set, simply
-	 * stop the watchdog during the printout.
-	 */
-	stop_watchdog();
-#endif
-
-	oops_enter();
-	handle_BUG(regs);
-
-	pr_err("Linux %s %s\n", utsname()->release, utsname()->version);
-	pr_err("%s: %04lx\n", str, err & 0xffff);
-
-	show_registers(regs);
-
-	oops_exit();
-	oops_in_progress = 0;
-	pr_err("\n"); /* Flush mtdoops.  */
-
-#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
-	reset_watchdog();
-#endif
-	do_exit(SIGSEGV);
-}
-
-void __init trap_init(void)
-{
-	/* Nothing needs to be done */
-}