xref: /OK3568_Linux_fs/kernel/arch/h8300/include/asm/kgdb.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2015 Yoshinori Sato <ysato@users.sourceforge.jp>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
5*4882a593Smuzhiyun  * License.  See the file "COPYING" in the main directory of this archive
6*4882a593Smuzhiyun  * for more details.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef _ASM_H8300_KGDB_H
10*4882a593Smuzhiyun #define _ASM_H8300_KGDB_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define CACHE_FLUSH_IS_SAFE	1
13*4882a593Smuzhiyun #define BUFMAX			2048
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun enum regnames {
16*4882a593Smuzhiyun 	GDB_ER0, GDB_ER1, GDB_ER2, GDB_ER3,
17*4882a593Smuzhiyun 	GDB_ER4, GDB_ER5, GDB_ER6, GDB_SP,
18*4882a593Smuzhiyun 	GDB_CCR, GDB_PC,
19*4882a593Smuzhiyun 	GDB_CYCLLE,
20*4882a593Smuzhiyun #if defined(CONFIG_CPU_H8S)
21*4882a593Smuzhiyun 	GDB_EXR,
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun 	GDB_TICK, GDB_INST,
24*4882a593Smuzhiyun #if defined(CONFIG_CPU_H8S)
25*4882a593Smuzhiyun 	GDB_MACH, GDB_MACL,
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun 	/* do not change the last entry or anything below! */
28*4882a593Smuzhiyun 	GDB_NUMREGBYTES,		/* number of registers */
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define GDB_SIZEOF_REG		sizeof(u32)
32*4882a593Smuzhiyun #if defined(CONFIG_CPU_H8300H)
33*4882a593Smuzhiyun #define DBG_MAX_REG_NUM		(13)
34*4882a593Smuzhiyun #elif defined(CONFIG_CPU_H8S)
35*4882a593Smuzhiyun #define DBG_MAX_REG_NUM		(14)
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun #define NUMREGBYTES		(DBG_MAX_REG_NUM * GDB_SIZEOF_REG)
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #define BREAK_INSTR_SIZE	2
arch_kgdb_breakpoint(void)40*4882a593Smuzhiyun static inline void arch_kgdb_breakpoint(void)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun 	__asm__ __volatile__("trapa #2");
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #endif /* _ASM_H8300_KGDB_H */
46