aboutsummaryrefslogtreecommitdiff
path: root/arch/v850/kernel/bug.c
diff options
context:
space:
mode:
authorAdrian Bunk <bunk@kernel.org>2008-07-23 21:28:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:24 -0700
commitf606ddf42fd4edc558eeb48bfee66d2c591571d2 (patch)
tree193f00db121201255b2629fce43b99a53c4ec735 /arch/v850/kernel/bug.c
parent99764fa4ceeecba8b9e0a8a5565b418a2e94f83b (diff)
remove the v850 port
Trying to compile the v850 port brings many compile errors, one of them exists since at least kernel 2.6.19. There also seems to be noone willing to bring this port back into a usable state. This patch therefore removes the v850 port. If anyone ever decides to revive the v850 port the code will still be available from older kernels, and it wouldn't be impossible for the port to reenter the kernel if it would become actively maintained again. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/v850/kernel/bug.c')
-rw-r--r--arch/v850/kernel/bug.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/arch/v850/kernel/bug.c b/arch/v850/kernel/bug.c
deleted file mode 100644
index c78cf750915..00000000000
--- a/arch/v850/kernel/bug.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * arch/v850/kernel/bug.c -- Bug reporting functions
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * 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.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/reboot.h>
-#include <linux/sched.h>
-#include <linux/module.h>
-
-#include <asm/errno.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/current.h>
-
-/* We should use __builtin_return_address, but it doesn't work in gcc-2.90
- (which is currently our standard compiler on the v850). */
-#define ret_addr() ({ register u32 lp asm ("lp"); lp; })
-#define stack_addr() ({ register u32 sp asm ("sp"); sp; })
-
-void __bug ()
-{
- printk (KERN_CRIT "kernel BUG at PC 0x%x (SP ~0x%x)!\n",
- ret_addr() - 4, /* - 4 for `jarl' */
- stack_addr());
- machine_halt ();
-}
-
-int bad_trap (int trap_num, struct pt_regs *regs)
-{
- printk (KERN_CRIT
- "unimplemented trap %d called at 0x%08lx, pid %d!\n",
- trap_num, regs->pc, current->pid);
- return -ENOSYS;
-}
-
-#ifdef CONFIG_RESET_GUARD
-void unexpected_reset (unsigned long ret_addr, unsigned long kmode,
- struct task_struct *task, unsigned long sp)
-{
- printk (KERN_CRIT
- "unexpected reset in %s mode, pid %d"
- " (ret_addr = 0x%lx, sp = 0x%lx)\n",
- kmode ? "kernel" : "user",
- task ? task->pid : -1,
- ret_addr, sp);
-
- machine_halt ();
-}
-#endif /* CONFIG_RESET_GUARD */
-
-
-
-struct spec_reg_name {
- const char *name;
- int gpr;
-};
-
-struct spec_reg_name spec_reg_names[] = {
- { "sp", GPR_SP },
- { "gp", GPR_GP },
- { "tp", GPR_TP },
- { "ep", GPR_EP },
- { "lp", GPR_LP },
- { 0, 0 }
-};
-
-void show_regs (struct pt_regs *regs)
-{
- int gpr_base, gpr_offs;
-
- printk (" pc 0x%08lx psw 0x%08lx kernel_mode %d\n",
- regs->pc, regs->psw, regs->kernel_mode);
- printk (" ctpc 0x%08lx ctpsw 0x%08lx ctbp 0x%08lx\n",
- regs->ctpc, regs->ctpsw, regs->ctbp);
-
- for (gpr_base = 0; gpr_base < NUM_GPRS; gpr_base += 4) {
- for (gpr_offs = 0; gpr_offs < 4; gpr_offs++) {
- int gpr = gpr_base + gpr_offs;
- long val = regs->gpr[gpr];
- struct spec_reg_name *srn;
-
- for (srn = spec_reg_names; srn->name; srn++)
- if (srn->gpr == gpr)
- break;
-
- if (srn->name)
- printk ("%7s 0x%08lx", srn->name, val);
- else
- printk (" r%02d 0x%08lx", gpr, val);
- }
-
- printk ("\n");
- }
-}
-
-/*
- * TASK is a pointer to the task whose backtrace we want to see (or NULL
- * for current task), SP is the stack pointer of the first frame that
- * should be shown in the back trace (or NULL if the entire call-chain of
- * the task should be shown).
- */
-void show_stack (struct task_struct *task, unsigned long *sp)
-{
- unsigned long addr, end;
-
- if (sp)
- addr = (unsigned long)sp;
- else if (task)
- addr = task_sp (task);
- else
- addr = stack_addr ();
-
- addr = addr & ~3;
- end = (addr + THREAD_SIZE - 1) & THREAD_MASK;
-
- while (addr < end) {
- printk ("%8lX: ", addr);
- while (addr < end) {
- printk (" %8lX", *(unsigned long *)addr);
- addr += sizeof (unsigned long);
- if (! (addr & 0xF))
- break;
- }
- printk ("\n");
- }
-}
-
-void dump_stack ()
-{
- show_stack (0, 0);
-}
-
-EXPORT_SYMBOL(dump_stack);