LXR linux/arch/h8300/include/asm/kgdb.h

   1/*
   2 * Copyright (C) 2015 Yoshinori Sato <ysato@users.sourceforge.jp>
   3 *
   4 * This file is subject to the terms and conditions of the GNU General Public
   5 * License.  See the file "COPYING" in the main directory of this archive
   6 * for more details.
   7 */
   8
   9#ifndef _ASM_H8300_KGDB_H
  10#define _ASM_H8300_KGDB_H
  11
  12#define CACHE_FLUSH_IS_SAFE     1
  13#define BUFMAX                  2048
  14
  15enum regnames {
  16        GDB_ER0, GDB_ER1, GDB_ER2, GDB_ER3,
  17        GDB_ER4, GDB_ER5, GDB_ER6, GDB_SP,
  18        GDB_CCR, GDB_PC,
  19        GDB_CYCLLE,
  20#if defined(CONFIG_CPU_H8S)
  21        GDB_EXR,
  22#endif
  23        GDB_TICK, GDB_INST,
  24#if defined(CONFIG_CPU_H8S)
  25        GDB_MACH, GDB_MACL,
  26#endif
  27        /* do not change the last entry or anything below! */
  28        GDB_NUMREGBYTES,                /* number of registers */
  29};
  30
  31#define GDB_SIZEOF_REG          sizeof(u32)
  32#if defined(CONFIG_CPU_H8300H)
  33#define DBG_MAX_REG_NUM         (13)
  34#elif defined(CONFIG_CPU_H8S)
  35#define DBG_MAX_REG_NUM         (14)
  36#endif
  37#define NUMREGBYTES             (DBG_MAX_REG_NUM * GDB_SIZEOF_REG)
  38
  39#define BREAK_INSTR_SIZE        2
  40static inline void arch_kgdb_breakpoint(void)
  41{
  42        __asm__ __volatile__("trapa #2");
  43}
  44
  45#endif /* _ASM_H8300_KGDB_H */
  46