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
  15 enum 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
  40 static inline void arch_kgdb_breakpoint(void)
  41 {
  42         __asm__ __volatile__("trapa #2");
  43 }
  44
  45 #endif /* _ASM_H8300_KGDB_H */