81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/* Kernel debugger for MN10300
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*
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* Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_KGDB_H
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#define _ASM_KGDB_H
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/*
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* BUFMAX defines the maximum number of characters in inbound/outbound
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* buffers at least NUMREGBYTES*2 are needed for register packets
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* Longer buffer is needed to list all threads
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*/
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#define BUFMAX 1024
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/*
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* Note that this register image is in a different order than the register
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* image that Linux produces at interrupt time.
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*/
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enum regnames {
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GDB_FR_D0 = 0,
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GDB_FR_D1 = 1,
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GDB_FR_D2 = 2,
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GDB_FR_D3 = 3,
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GDB_FR_A0 = 4,
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GDB_FR_A1 = 5,
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GDB_FR_A2 = 6,
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GDB_FR_A3 = 7,
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GDB_FR_SP = 8,
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GDB_FR_PC = 9,
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GDB_FR_MDR = 10,
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GDB_FR_EPSW = 11,
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GDB_FR_LIR = 12,
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GDB_FR_LAR = 13,
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GDB_FR_MDRQ = 14,
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GDB_FR_E0 = 15,
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GDB_FR_E1 = 16,
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GDB_FR_E2 = 17,
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GDB_FR_E3 = 18,
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GDB_FR_E4 = 19,
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GDB_FR_E5 = 20,
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GDB_FR_E6 = 21,
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GDB_FR_E7 = 22,
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GDB_FR_SSP = 23,
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GDB_FR_MSP = 24,
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GDB_FR_USP = 25,
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GDB_FR_MCRH = 26,
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GDB_FR_MCRL = 27,
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GDB_FR_MCVF = 28,
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GDB_FR_FPCR = 29,
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GDB_FR_DUMMY0 = 30,
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GDB_FR_DUMMY1 = 31,
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GDB_FR_FS0 = 32,
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GDB_FR_SIZE = 64,
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};
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#define GDB_ORIG_D0 41
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#define NUMREGBYTES (GDB_FR_SIZE*4)
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static inline void arch_kgdb_breakpoint(void)
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{
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asm(".globl __arch_kgdb_breakpoint; __arch_kgdb_breakpoint: break");
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}
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extern u8 __arch_kgdb_breakpoint;
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#define BREAK_INSTR_SIZE 1
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#define CACHE_FLUSH_IS_SAFE 1
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#endif /* _ASM_KGDB_H */
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