diff options
| author | Mischa Jonker <mjonker@synopsys.com> | 2013-01-18 15:12:24 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 23:16:07 +0530 |
| commit | f46121bd26d7957866739313f1e098a682e8d3e4 (patch) | |
| tree | 1469839dbb041f325d01428e973e637f3297595e /arch/arc/include | |
| parent | 2e651ea1596b0ee25af4fcdc4cd13cbb33ffc254 (diff) | |
| download | linux-stable-f46121bd26d7957866739313f1e098a682e8d3e4.tar.gz linux-stable-f46121bd26d7957866739313f1e098a682e8d3e4.tar.bz2 linux-stable-f46121bd26d7957866739313f1e098a682e8d3e4.zip | |
ARC: kgdb support
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'arch/arc/include')
| -rw-r--r-- | arch/arc/include/asm/kgdb.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arc/include/asm/kgdb.h b/arch/arc/include/asm/kgdb.h new file mode 100644 index 000000000000..f3c4934f0ca9 --- /dev/null +++ b/arch/arc/include/asm/kgdb.h @@ -0,0 +1,61 @@ +/* + * kgdb support for ARC + * + * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARC_KGDB_H__ +#define __ARC_KGDB_H__ + +#ifdef CONFIG_KGDB + +#include <asm/user.h> + +/* to ensure compatibility with Linux 2.6.35, we don't implement the get/set + * register API yet */ +#undef DBG_MAX_REG_NUM + +#define GDB_MAX_REGS 39 + +#define BREAK_INSTR_SIZE 2 +#define CACHE_FLUSH_IS_SAFE 1 +#define NUMREGBYTES (GDB_MAX_REGS * 4) +#define BUFMAX 2048 + +static inline void arch_kgdb_breakpoint(void) +{ + __asm__ __volatile__ ("trap_s 0x4\n"); +} + +extern void kgdb_trap(struct pt_regs *regs, int param); + +enum arc700_linux_regnums { + _R0 = 0, + _R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13, + _R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24, + _R25, _R26, + _BTA = 27, + _LP_START = 28, + _LP_END = 29, + _LP_COUNT = 30, + _STATUS32 = 31, + _BLINK = 32, + _FP = 33, + __SP = 34, + _EFA = 35, + _RET = 36, + _ORIG_R8 = 37, + _STOP_PC = 38 +}; + +#else +static inline void kgdb_trap(struct pt_regs *regs, int param) +{ +} +#endif + +#endif /* __ARC_KGDB_H__ */ |