linux/arch/sh/include/asm/traps_64.h
Paul Mundt f007688a50 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>
2012-05-14 13:04:08 +09:00

39 lines
851 B
C

/*
* Copyright (C) 2000, 2001 Paolo Alberelli
* Copyright (C) 2003 Paul Mundt
* Copyright (C) 2004 Richard Curnow
*
* 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.
*/
#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();
}
#define BUILD_TRAP_HANDLER(name) \
asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
#define TRAP_HANDLER_DECL
#endif /* __ASM_SH_TRAPS_64_H */