Hexagon: kgdb support files
PATCH v5 31/36 Hexagon: kgdb support files
Signed-off-by Linas Vepstas <[email protected]>
Acked-by Arnd Bergmann <[email protected]>
--- arch/hexagon/include/asm/kgdb.h | 43 +++++++ arch/hexagon/kernel/kgdb.c | 255 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 298 insertions(+), 0 deletions(-) create mode 100644 arch/hexagon/include/asm/kgdb.h create mode 100644 arch/hexagon/kernel/kgdb.c
arch/hexagon/include/asm/kgdb.h new file +43 -0
@@ -0,0 +1,43 @@ +/* +* arch/hexagon/include/asm/kgdb.h - Hexagon KGDB Support +* +* Copyright (c) 2011, Code Aurora Forum. All rights reserved. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 and +* only version 2 as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +* 02110-1301, USA. +*/ + +#ifndef __HEXAGON_KGDB_H__ +#define __HEXAGON_KGDB_H__ + +#define BREAK_INSTR_SIZE 4 +#define CACHE_FLUSH_IS_SAFE 1 +#define BUFMAX ((NUMREGBYTES * 2) + 512) + +static inline void arch_kgdb_breakpoint (void ) +{ + asm("trap0(#0xDB)" ); +} + +/* Registers: +* 32 gpr + sa0/1 + lc0/1 + m0/1 + gp + ugp + pred + pc = 42 total. +* vm regs = psp+elr+est+badva = 4 +* syscall+restart = 2 more +* so 48 = 42 +4 + 2 +*/ +#define DBG_USER_REGS 42 +#define DBG_MAX_REG_NUM (DBG_USER_REGS + 6) +#define NUMREGBYTES (DBG_MAX_REG_NUM*4) + +#endif /* __HEXAGON_KGDB_H__ */
arch/hexagon/kernel/kgdb.c new file +255 -0
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Signature · 7 lines
1.7.1 -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.