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31 lines
754 B
31 lines
754 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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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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* Copyright (c) 2011, The Linux Foundation. All rights reserved. |
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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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* also add cs0/1 = 2 |
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* so 48 = 42 + 4 + 2 + 2 |
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*/ |
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#define DBG_USER_REGS 42 |
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#define DBG_MAX_REG_NUM (DBG_USER_REGS + 8) |
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#define NUMREGBYTES (DBG_MAX_REG_NUM*4) |
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#endif /* __HEXAGON_KGDB_H__ */
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