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authorYoshinori Sato <ysato@users.sourceforge.jp>2008-10-15 22:01:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 11:21:29 -0700
commit9791af55b5edb44d89608b9934a0022e7a27f625 (patch)
tree9bb9ffa8e927879e8aefb81afdb6398a0406ea5f /arch/h8300
parent81d423e280d193d351f41eacdb3f82c3bb9610c1 (diff)
downloadop-kernel-dev-9791af55b5edb44d89608b9934a0022e7a27f625.zip
op-kernel-dev-9791af55b5edb44d89608b9934a0022e7a27f625.tar.gz
h8300: GENERIC_BUG support
CONFIG_GENERIC_BUG support. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/Kconfig4
-rw-r--r--arch/h8300/include/asm/bug.h4
-rw-r--r--arch/h8300/include/asm/system.h2
-rw-r--r--arch/h8300/kernel/module.c3
-rw-r--r--arch/h8300/kernel/traps.c17
-rw-r--r--arch/h8300/mm/fault.c5
6 files changed, 25 insertions, 10 deletions
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 107cb5b..c796674 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -62,6 +62,10 @@ config GENERIC_TIME
bool
default y
+config GENERIC_BUG
+ bool
+ depends on BUG
+
config TIME_LOW_RES
bool
default y
diff --git a/arch/h8300/include/asm/bug.h b/arch/h8300/include/asm/bug.h
index edddf5b..887c197 100644
--- a/arch/h8300/include/asm/bug.h
+++ b/arch/h8300/include/asm/bug.h
@@ -1,4 +1,8 @@
#ifndef _H8300_BUG_H
#define _H8300_BUG_H
+
+/* always true */
+#define is_valid_bugaddr(addr) (1)
+
#include <asm-generic/bug.h>
#endif
diff --git a/arch/h8300/include/asm/system.h b/arch/h8300/include/asm/system.h
index 4b8e475..d98d976 100644
--- a/arch/h8300/include/asm/system.h
+++ b/arch/h8300/include/asm/system.h
@@ -155,4 +155,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
#define arch_align_stack(x) (x)
+void die(char *str, struct pt_regs *fp, unsigned long err);
+
#endif /* _H8300_SYSTEM_H */
diff --git a/arch/h8300/kernel/module.c b/arch/h8300/kernel/module.c
index 4fd7138..cfc9127 100644
--- a/arch/h8300/kernel/module.c
+++ b/arch/h8300/kernel/module.c
@@ -114,9 +114,10 @@ int module_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
struct module *me)
{
- return 0;
+ return module_bug_finalize(hdr, sechdrs, me);
}
void module_arch_cleanup(struct module *mod)
{
+ module_bug_cleanup(mod);
}
diff --git a/arch/h8300/kernel/traps.c b/arch/h8300/kernel/traps.c
index f8f7d7ea..3c0b66b 100644
--- a/arch/h8300/kernel/traps.c
+++ b/arch/h8300/kernel/traps.c
@@ -20,12 +20,14 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/bug.h>
#include <asm/system.h>
#include <asm/irq.h>
#include <asm/traps.h>
#include <asm/page.h>
-#include <asm/gpio.h>
+
+static DEFINE_SPINLOCK(die_lock);
/*
* this must be called very early as the kernel might
@@ -94,16 +96,19 @@ static void dump(struct pt_regs *fp)
printk("\n\n");
}
-void die_if_kernel (char *str, struct pt_regs *fp, int nr)
+void die(char *str, struct pt_regs *fp, unsigned long err)
{
- extern int console_loglevel;
+ static int diecount;
- if (!(fp->ccr & PS_S))
- return;
+ oops_enter();
- console_loglevel = 15;
+ console_verbose();
+ spin_lock_irq(&die_lock);
+ report_bug(fp->pc, fp);
+ printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++diecount);
dump(fp);
+ spin_unlock_irq(&die_lock);
do_exit(SIGSEGV);
}
diff --git a/arch/h8300/mm/fault.c b/arch/h8300/mm/fault.c
index 29e9af9..1d092ab 100644
--- a/arch/h8300/mm/fault.c
+++ b/arch/h8300/mm/fault.c
@@ -20,8 +20,6 @@
#include <asm/system.h>
#include <asm/pgtable.h>
-extern void die_if_kernel(char *, struct pt_regs *, long);
-
/*
* This routine handles page faults. It determines the problem, and
* then passes it off to one of the appropriate routines.
@@ -50,7 +48,8 @@ asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
} else
printk(KERN_ALERT "Unable to handle kernel access");
printk(" at virtual address %08lx\n",address);
- die_if_kernel("Oops", regs, error_code);
+ if (!user_mode(regs))
+ die("Oops", regs, error_code);
do_exit(SIGKILL);
return 1;
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