1 | /*===============================================================*\ |
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2 | | Project: RTEMS remote gdb over serial line | |
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3 | +-----------------------------------------------------------------+ |
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4 | | File: serdbg.h | |
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5 | +-----------------------------------------------------------------+ |
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6 | | Copyright (c) 2002 IMD | |
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7 | | Ingenieurbuero fuer Microcomputertechnik Th. Doerfler | |
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8 | | <Thomas.Doerfler@imd-systems.de> | |
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9 | | all rights reserved | |
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10 | +-----------------------------------------------------------------+ |
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11 | | this file declares intialization functions to add | |
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12 | | a gdb remote debug stub to an RTEMS system | |
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13 | | | |
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14 | +-----------------------------------------------------------------+ |
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15 | | date history ID | |
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16 | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
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17 | | 04.04.02 creation doe | |
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18 | \*===============================================================*/ |
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19 | /* |
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20 | * $Id$ |
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21 | */ |
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22 | #ifndef _SERDBG_H |
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23 | #define _SERDBG_H |
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24 | |
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25 | #include <rtems.h> |
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26 | #include <termios.h> |
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27 | |
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28 | typedef struct { |
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29 | unsigned32 baudrate; /* debug baud rate, e.g. 57600 */ |
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30 | void (*callout)(void); /* callout pointer during polling */ |
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31 | int (*open_io)(const char *dev_name,unsigned32 baudrate); /* I/O open fnc */ |
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32 | const char *devname; /* debug device, e.g. "/dev/tty01" */ |
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33 | unsigned8 skip_init_bkpt; /* if TRUE, do not stop when initializing */ |
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34 | } serdbg_conf_t; |
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35 | |
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36 | /* |
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37 | * must be defined in init module... |
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38 | */ |
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39 | extern serdbg_conf_t serdbg_conf; |
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40 | |
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41 | |
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42 | /*=========================================================================*\ |
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43 | | Function: | |
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44 | \*-------------------------------------------------------------------------*/ |
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45 | void putDebugChar |
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46 | ( |
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47 | /*-------------------------------------------------------------------------*\ |
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48 | | Purpose: | |
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49 | | send character to remote debugger | |
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50 | +---------------------------------------------------------------------------+ |
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51 | | Input Parameters: | |
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52 | \*-------------------------------------------------------------------------*/ |
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53 | char c /* char to send */ |
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54 | ); |
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55 | /*-------------------------------------------------------------------------*\ |
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56 | | Return Value: | |
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57 | | <none> | |
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58 | \*=========================================================================*/ |
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59 | |
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60 | /*=========================================================================*\ |
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61 | | Function: | |
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62 | \*-------------------------------------------------------------------------*/ |
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63 | int getDebugChar |
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64 | ( |
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65 | /*-------------------------------------------------------------------------*\ |
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66 | | Purpose: | |
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67 | | get character from remote debugger | |
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68 | +---------------------------------------------------------------------------+ |
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69 | | Input Parameters: | |
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70 | \*-------------------------------------------------------------------------*/ |
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71 | void /* <none> */ |
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72 | ); |
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73 | /*-------------------------------------------------------------------------*\ |
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74 | | Return Value: | |
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75 | | <none> | |
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76 | \*=========================================================================*/ |
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77 | |
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78 | /*=========================================================================*\ |
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79 | | Function: | |
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80 | \*-------------------------------------------------------------------------*/ |
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81 | void serdbg_exceptionHandler |
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82 | ( |
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83 | /*-------------------------------------------------------------------------*\ |
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84 | | Purpose: | |
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85 | | hook directly to an exception vector | |
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86 | +---------------------------------------------------------------------------+ |
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87 | | Input Parameters: | |
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88 | \*-------------------------------------------------------------------------*/ |
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89 | int vecnum, /* vector index to hook at */ |
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90 | void *vector /* address of handler function */ |
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91 | ); |
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92 | /*-------------------------------------------------------------------------*\ |
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93 | | Return Value: | |
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94 | | <none> | |
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95 | \*=========================================================================*/ |
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96 | |
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97 | /*=========================================================================*\ |
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98 | | Function: | |
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99 | \*-------------------------------------------------------------------------*/ |
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100 | int serdbg_init |
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101 | ( |
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102 | /*-------------------------------------------------------------------------*\ |
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103 | | Purpose: | |
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104 | | initialize remote gdb session over serial line | |
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105 | +---------------------------------------------------------------------------+ |
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106 | | Input Parameters: | |
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107 | \*-------------------------------------------------------------------------*/ |
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108 | void |
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109 | ); |
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110 | /*-------------------------------------------------------------------------*\ |
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111 | | Return Value: | |
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112 | | rtems_status_code | |
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113 | \*=========================================================================*/ |
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114 | |
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115 | /* |
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116 | * stuff from serdbgio.c |
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117 | */ |
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118 | /*=========================================================================*\ |
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119 | | Function: | |
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120 | \*-------------------------------------------------------------------------*/ |
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121 | int serdbg_open |
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122 | |
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123 | /*-------------------------------------------------------------------------*\ |
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124 | | Purpose: | |
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125 | | try to open given serial debug port | |
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126 | +---------------------------------------------------------------------------+ |
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127 | | Input Parameters: | |
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128 | \*-------------------------------------------------------------------------*/ |
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129 | ( |
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130 | const char *dev_name, /* name of device to open */ |
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131 | unsigned32 baudrate /* baud rate to use */ |
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132 | ); |
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133 | /*-------------------------------------------------------------------------*\ |
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134 | | Return Value: | |
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135 | | 0 on success, -1 and errno otherwise | |
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136 | \*=========================================================================*/ |
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137 | |
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138 | /*=========================================================================*\ |
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139 | | Function: | |
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140 | \*-------------------------------------------------------------------------*/ |
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141 | void putDebugChar |
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142 | /*-------------------------------------------------------------------------*\ |
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143 | | Purpose: | |
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144 | | send one character to serial port | |
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145 | +---------------------------------------------------------------------------+ |
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146 | | Input Parameters: | |
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147 | \*-------------------------------------------------------------------------*/ |
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148 | ( |
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149 | char c /* character to print */ |
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150 | ); |
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151 | /*-------------------------------------------------------------------------*\ |
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152 | | Return Value: | |
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153 | | <none> | |
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154 | \*=========================================================================*/ |
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155 | |
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156 | /*=========================================================================*\ |
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157 | | Function: | |
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158 | \*-------------------------------------------------------------------------*/ |
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159 | int getDebugChar |
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160 | /*-------------------------------------------------------------------------*\ |
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161 | | Purpose: | |
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162 | | wait for one character from serial port | |
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163 | +---------------------------------------------------------------------------+ |
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164 | | Input Parameters: | |
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165 | \*-------------------------------------------------------------------------*/ |
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166 | ( |
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167 | void /* none */ |
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168 | ); |
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169 | /*-------------------------------------------------------------------------*\ |
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170 | | Return Value: | |
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171 | | received character | |
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172 | \*=========================================================================*/ |
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173 | |
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174 | #endif /* _SERDBG_H */ |
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