kernel/arch/sh/include/asm/traps_64.h

   1 /*
   2  * Copyright (C) 2000, 2001  Paolo Alberelli
   3  * Copyright (C) 2003  Paul Mundt
   4  * Copyright (C) 2004  Richard Curnow
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #ifndef __ASM_SH_TRAPS_64_H
  11 #define __ASM_SH_TRAPS_64_H
  12
  13 #include <cpu/registers.h>
  14
  15 extern void phys_stext(void);
  16
  17 #define lookup_exception_vector()               \
  18 ({                                              \
  19         unsigned long _vec;                     \
  20                                                 \
  21         __asm__ __volatile__ (                  \
  22                 "getcon " __EXPEVT ", %0\n\t"   \
  23                 : "=r" (_vec)                   \
  24         );                                      \
  25                                                 \
  26         _vec;                                   \
  27 })
  28
  29 static inline void trigger_address_error(void)
  30 {
  31         phys_stext();
  32 }
  33
  34 #define BUILD_TRAP_HANDLER(name)        \
  35 asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
  36 #define TRAP_HANDLER_DECL
  37
  38 #endif /* __ASM_SH_TRAPS_64_H */