LXR linux/arch/sh/include/asm/traps

   1/* SPDX-License-Identifier: GPL-2.0
   2 *
   3 * Copyright (C) 2000, 2001  Paolo Alberelli
   4 * Copyright (C) 2003  Paul Mundt
   5 * Copyright (C) 2004  Richard Curnow
   6 */
   7#ifndef __ASM_SH_TRAPS_64_H
   8#define __ASM_SH_TRAPS_64_H
   9
  10#include <cpu/registers.h>
  11
  12extern void phys_stext(void);
  13
  14#define lookup_exception_vector()               \
  15({                                              \
  16        unsigned long _vec;                     \
  17                                                \
  18        __asm__ __volatile__ (                  \
  19                "getcon " __EXPEVT ", %0\n\t"   \
  20                : "=r" (_vec)                   \
  21        );                                      \
  22                                                \
  23        _vec;                                   \
  24})
  25
  26static inline void trigger_address_error(void)
  27{
  28        phys_stext();
  29}
  30
  31#define BUILD_TRAP_HANDLER(name)        \
  32asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
  33#define TRAP_HANDLER_DECL
  34
  35#endif /* __ASM_SH_TRAPS_64_H */
  36