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| author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2016-01-20 15:27:30 +0100 |
|---|---|---|
| committer | Yoshinori Sato <ysato@users.sourceforge.jp> | 2016-01-20 15:27:30 +0100 |
| commit | 96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3 (patch) | |
| tree | bbe1d1d66bbc7f52d26d25afa78c98a4c42f1f8f /arch/h8300/include | |
| parent | irqchip: renesas-h8s: Replace ctrl_outw/ctrl_inw with writew/readw (diff) | |
| download | linux-96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3.tar.xz linux-96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3.zip | |
h8300: Add KGDB support.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Diffstat (limited to 'arch/h8300/include')
| -rw-r--r-- | arch/h8300/include/asm/kgdb.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/kgdb.h b/arch/h8300/include/asm/kgdb.h new file mode 100644 index 000000000000..726ff8fdfc18 --- /dev/null +++ b/arch/h8300/include/asm/kgdb.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015 Yoshinori Sato <ysato@users.sourceforge.jp> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_H8300_KGDB_H +#define _ASM_H8300_KGDB_H + +#define CACHE_FLUSH_IS_SAFE 1 +#define BUFMAX 2048 + +enum regnames { + GDB_ER0, GDB_ER1, GDB_ER2, GDB_ER3, + GDB_ER4, GDB_ER5, GDB_ER6, GDB_SP, + GDB_CCR, GDB_PC, + GDB_CYCLLE, +#if defined(CONFIG_CPU_H8S) + GDB_EXR, +#endif + GDB_TICK, GDB_INST, +#if defined(CONFIG_CPU_H8S) + GDB_MACH, GDB_MACL, +#endif + /* do not change the last entry or anything below! */ + GDB_NUMREGBYTES, /* number of registers */ +}; + +#define GDB_SIZEOF_REG sizeof(u32) +#if defined(CONFIG_CPU_H8300H) +#define DBG_MAX_REG_NUM (13) +#elif defined(CONFIG_CPU_H8S) +#define DBG_MAX_REG_NUM (14) +#endif +#define NUMREGBYTES (DBG_MAX_REG_NUM * GDB_SIZEOF_REG) + +#define BREAK_INSTR_SIZE 2 +static inline void arch_kgdb_breakpoint(void) +{ + __asm__ __volatile__("trapa #2"); +} + +#endif /* _ASM_H8300_KGDB_H */ |