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annotate packages/cygmon/current/misc/monitor.h @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children 02ea4320376c
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 //==========================================================================
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2 //
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3 // monitor.h
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4 //
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5 // Main definitions for the CygMON ROM monitor
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s):
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35 // Contributors: gthomas
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36 // Date: 1999-10-20
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37 // Purpose: Main definitions for the CygMON ROM monitor
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38 // Description:
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39 //
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40 //
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41 //####DESCRIPTIONEND####
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42 //
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43 //=========================================================================
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44
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45 #ifndef MONITOR_H
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46 #define MONITOR_H
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47
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48 #if !defined(__ASSEMBLER__)
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49 #include <stdarg.h>
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50 #endif
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51
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52 #include <board.h>
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53 #ifdef HAVE_BSP
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54 #include "cpu_info.h"
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55 #endif
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56 #include <monitor_cmd.h>
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57
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58 #ifndef ASM
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59
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60 #ifdef HAVE_BSP
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61 #define xprintf bsp_dprintf
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62 #define xsprintf bsp_sprintf
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63 #define xvprintf bsp_vprintf
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64 #define xputchar bsp_debug_putc
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65 #define xgetchar bsp_debug_getc
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66 #define xungetchar bsp_debug_ungetc
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67 #define __getTty() bsp_set_debug_comm(-1)
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68 #define set_pc(x) bsp_set_pc((x), mon_saved_regs)
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69 #define __single_step() bsp_singlestep_setup(mon_saved_regs)
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70 #define __reset bsp_reset
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71 #define breakpoint() bsp_breakpoint()
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72 #else
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73 extern void xprintf(const char *fmt, ...);
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74 extern void xsprintf(char *str, const char *fmt, ...);
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75 extern void xvprintf(const char *fmt, va_list ap);
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76
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77 #ifdef HAS_USER_IO
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78 #define xputchar putUserChar
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79 #define xgetchar getUserChar
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80 #else
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81 extern void putDebugChar(int ch);
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82 extern int getDebugChar(void);
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83 #define xputchar putDebugChar
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84 #define xgetchar getDebugChar
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85 #endif
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86 #define xungetchar ungetDebugChar
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87 #endif
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88
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89
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90 struct bp {
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91 mem_addr_t address;
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92 bp_inst_t old_inst;
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93 char in_memory;
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94 struct bp *next;
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95 };
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96
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97 struct regstruct
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98 {
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99 char *registername;
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100 int registernumber;
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101 #ifdef HAVE_BSP
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102 int registertype;
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103 #endif
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104 };
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105
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106
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107
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108 #ifdef HAVE_BSP
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109 #define REGTYPE_INT 1
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110 #define REGTYPE_FLOAT 2
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111 #define REGTYPE_DOUBLE 3
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112
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113 union target_reg
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114 {
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115 unsigned long i; /* integer register (32/64 bit) */
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116 #if HAVE_FLOAT_REGS
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117 float f; /* float register (32bit) */
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118 #endif
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119 #if HAVE_DOUBLE_REGS
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120 double d; /* double register (64bit) */
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121 #endif
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122 };
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123
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124 typedef union target_reg target_regval_t;
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125
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126
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127 /* This is a template for what should be defined in the board specific
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128 header file composed, board.h */
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129 #if ! defined(MEM_ADDR_DEFINED)
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130 #define MEM_ADDR_DEFINED 1
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131 typedef struct mem_addr {
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132 unsigned long addr;
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133 } mem_addr_t;
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134 #endif
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135
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136 #if !defined(BP_INST_T_DEFINED)
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137 #define BP_INST_T_DEFINED 1
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138 typedef unsigned char bp_inst_t ;
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139 #endif
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140
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141 #if ! defined(MAKE_STD_ADDR)
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142 #define MAKE_STD_ADDR(SRC, DST) ((DST)->addr = (SRC))
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143 #endif
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144
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145
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146 #if ! defined(ADD_OFFSET)
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147 #define ADD_OFFSET(SRC,DST,OFFSET) ((DST)->addr = (SRC)->addr + (OFFSET))
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148 #endif
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149
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150 #if ! defined(ADD_ALIGN)
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151 #define ADD_ALIGN(SRC,DST,ALIGN) \
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152 ((DST)->addr = (SRC)->addr - ((SRC)->addr % (ALIGN)))
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153 #endif
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154
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155 #if ! defined(MEM_ADDR_EQ_P)
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156 #define MEM_ADDR_EQ_P(A, B) ((A).addr == (B).addr)
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157 #endif
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158
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159 #if ! defined(MEM_ADDR_DIFF)
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160 #define MEM_ADDR_DIFF(A, B) ((A).addr - (B).addr)
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161 #endif
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162
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163 #if ! defined(MEM_ADDR_ASI)
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164 #define MEM_ADDR_ASI(A) -1
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165 #endif
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166
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167 #endif /* HAVE_BSP */
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168
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169 #if defined(NO_MALLOC) && ! defined(MAX_NUM_BP)
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170 #define MAX_NUM_BP 64
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171 #endif
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172
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173 extern struct regstruct regtab[];
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174
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175 extern char **argvect;
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176
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177 #ifdef HAVE_BSP
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178 #define VERSION "release 2.0"
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179 #else
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180 #define VERSION "release 1.2"
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181 #endif
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182
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183 #define MAXLINELEN 80
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184 #define PROMPT "cygmon> "
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185 #if ! defined MAX_HIST_ENTS
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186 #define MAX_HIST_ENTS 10
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187 #endif
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188
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189 /*
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190 * From monitor.c
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191 */
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192 extern mem_addr_t last_pc;
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193 extern int stub_is_active;
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194 #ifdef HAVE_BSP
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195 extern void *mon_saved_regs;
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196 #else
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197 extern int (*user_signal_handler)(int);
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198 #endif
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199
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200 extern void clear_user_state (void);
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201 extern int transfer_to_stub (void);
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202 extern void version (void);
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203 #ifdef MONITOR_CONTROL_INTERRUPTS
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204 /* Enable interrupts within the monitor. */
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205 extern void monitor_enable_interrupts (void);
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206
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207 /* Disable interrupts within the monitor. */
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208 extern void monitor_disable_interrupts (void);
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209
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210 /* Returns 1 if interrupts have been enabled within the monitor, 0
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211 otherwise. */
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212 extern int monitor_interrupt_state (void);
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213 #endif /* MONITOR_CONTROL_INTERRUPTS */
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214
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215
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216 /*
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217 * From utils.c
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218 */
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219 extern int switch_to_stub_flag;
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220 extern int input_char (void);
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221 extern target_register_t str2int (char *str, int base);
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222 #if HAVE_DOUBLE_REGS
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223 extern double str2double (char *str, int base);
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224 #endif
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225 extern target_register_t str2intlen (char *str, int base, int len);
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226 extern int hex2bytes(char *string, char *dest, int maxsize);
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227 extern char *int2str (target_register_t number, int base, int numdigs);
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228 #ifndef NO_MALLOC
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229 extern char *strdup(const char *str);
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230 #endif
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231 extern target_register_t get_pc(void);
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232 extern char *get_register_str (regnames_t which, int detail);
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233 extern void store_register (regnames_t which, char *string);
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234
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235 /*
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236 * From breakpoints.c
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237 */
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238 extern int add_mon_breakpoint (mem_addr_t location);
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239 extern void install_breakpoints (void);
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240 extern void clear_breakpoints (void);
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241 extern int show_breakpoints (void);
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242 extern int clear_mon_breakpoint (mem_addr_t location);
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243
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244
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245 /*
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246 * From do-dis.c
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247 */
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248 extern mem_addr_t do_dis (mem_addr_t *addr);
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249 extern void flush_dis (void);
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250
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251
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252 /*
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253 * From architecture-mon.c
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254 */
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255 #ifdef HAVE_BSP
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256 extern void initialize_mon(void);
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257 extern target_regval_t get_register(int regnum);
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258 extern void put_register(int regnum, target_regval_t val);
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259 #endif
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260
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261
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262 /* Lame. */
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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263 #ifndef ITIMER_REAL
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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264 #define ITIMER_REAL 0
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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265 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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266
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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267 #endif /* ASM */
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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268 #endif