sh64: Provide EXPEVT helper.
We need a lookup_exception_vector() helper for sh64 in order to use the
common page fault code.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/traps_64.h b/arch/sh/include/asm/traps_64.h
index c52d7f9..ef5eff91 100644
--- a/arch/sh/include/asm/traps_64.h
+++ b/arch/sh/include/asm/traps_64.h
@@ -10,8 +10,22 @@
#ifndef __ASM_SH_TRAPS_64_H
#define __ASM_SH_TRAPS_64_H
+#include <cpu/registers.h>
+
extern void phys_stext(void);
+#define lookup_exception_vector() \
+({ \
+ unsigned long _vec; \
+ \
+ __asm__ __volatile__ ( \
+ "getcon " __EXPEVT ", %0\n\t" \
+ : "=r" (_vec) \
+ ); \
+ \
+ _vec; \
+})
+
static inline void trigger_address_error(void)
{
phys_stext();