ARM: show short message on segfault

[pandora-kernel.git] / arch / arm / include / asm / system.h

diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index ed6b049..1344f5f 100644 (file)
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -57,6 +57,7 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <linux/irqflags.h>
 
@@ -79,6 +80,14 @@ struct siginfo;
 void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
                unsigned long err, unsigned long trap);
 
+#ifdef CONFIG_ARM_LPAE
+#define FAULT_CODE_ALIGNMENT   33
+#define FAULT_CODE_DEBUG       34
+#else
+#define FAULT_CODE_ALIGNMENT   1
+#define FAULT_CODE_DEBUG       2
+#endif
+
 void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
                                       struct pt_regs *),
                     int sig, int code, const char *name);
@@ -90,17 +99,17 @@ void hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int,
 #define xchg(ptr,x) \
        ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-extern asmlinkage void __backtrace(void);
 extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
 
 struct mm_struct;
 extern void show_pte(struct mm_struct *mm, unsigned long addr);
 extern void __show_regs(struct pt_regs *);
 
-extern int cpu_architecture(void);
+extern int __pure cpu_architecture(void);
 extern void cpu_init(void);
 
 void arm_machine_restart(char mode, const char *cmd);
+void soft_restart(unsigned long);
 extern void (*arm_pm_restart)(char str, const char *cmd);
 
 #define UDBG_UNDEFINED (1 << 0)
@@ -108,6 +117,7 @@ extern void (*arm_pm_restart)(char str, const char *cmd);
 #define UDBG_BADABORT  (1 << 2)
 #define UDBG_SEGV      (1 << 3)
 #define UDBG_BUS       (1 << 4)
+#define UDBG_SEGV_SHORT        (1 << 8)
 
 extern unsigned int user_debug;