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
arch_kgdb_breakpoint(void)40 static inline void arch_kgdb_breakpoint(void)
41 {
42 __asm__ __volatile__("trapa #2");
43 }
44
45 #endif /* _ASM_H8300_KGDB_H */
46