2011-11-01 07:54:43 +08:00
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/*
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* arch/hexagon/include/asm/kgdb.h - Hexagon KGDB Support
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*
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2012-09-20 05:22:02 +08:00
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* Copyright (c) 2011, The Linux Foundation. All rights reserved.
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2011-11-01 07:54:43 +08:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef __HEXAGON_KGDB_H__
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#define __HEXAGON_KGDB_H__
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#define BREAK_INSTR_SIZE 4
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#define CACHE_FLUSH_IS_SAFE 1
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#define BUFMAX ((NUMREGBYTES * 2) + 512)
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static inline void arch_kgdb_breakpoint(void)
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{
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asm("trap0(#0xDB)");
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}
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/* Registers:
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* 32 gpr + sa0/1 + lc0/1 + m0/1 + gp + ugp + pred + pc = 42 total.
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* vm regs = psp+elr+est+badva = 4
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* syscall+restart = 2 more
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2013-11-01 19:55:38 +08:00
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* also add cs0/1 = 2
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* so 48 = 42 + 4 + 2 + 2
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2011-11-01 07:54:43 +08:00
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*/
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#define DBG_USER_REGS 42
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2013-11-01 19:55:38 +08:00
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#define DBG_MAX_REG_NUM (DBG_USER_REGS + 8)
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2011-11-01 07:54:43 +08:00
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#define NUMREGBYTES (DBG_MAX_REG_NUM*4)
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#endif /* __HEXAGON_KGDB_H__ */
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