1 | /* system.h |
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2 | * |
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3 | * This include file contains information that is included in every |
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4 | * function in the executive. This must be the first include file |
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5 | * included in all internal RTEMS files. |
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6 | * |
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7 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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8 | * On-Line Applications Research Corporation (OAR). |
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9 | * All rights assigned to U.S. Government, 1994. |
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10 | * |
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11 | * This material may be reproduced by or for the U.S. Government pursuant |
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12 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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13 | * notice must appear in all copies of this file and its derivatives. |
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14 | * |
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15 | * $Id$ |
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16 | */ |
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17 | |
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18 | #ifndef __RTEMS_SYSTEM_h |
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19 | #define __RTEMS_SYSTEM_h |
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20 | |
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21 | #ifdef __cplusplus |
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22 | extern "C" { |
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23 | #endif |
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24 | |
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25 | /* |
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26 | * The following define the CPU Family and Model within the family |
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27 | * |
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28 | * NOTE: The string "REPLACE_THIS_WITH_USE_INLINE_OR_MACROS" is replaced |
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29 | * with either "USE_INLINES" or "USE_MACROS" based upon the |
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30 | * whether this target configuration uses the inline or |
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31 | * macro implementations of the inlined RTEMS routines. |
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32 | */ |
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33 | |
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34 | |
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35 | #define REPLACE_THIS_WITH_USE_INLINE_OR_MACROS |
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36 | |
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37 | /* |
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38 | * The following insures that all data is declared in the space |
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39 | * of the initialization routine for either the Initialization Manager |
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40 | * or the initialization file for the appropriate API. It is |
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41 | * referenced as "external" in every other file. |
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42 | */ |
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43 | |
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44 | #ifdef SCORE_INIT |
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45 | #undef SCORE_EXTERN |
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46 | #define SCORE_EXTERN |
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47 | #else |
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48 | #undef SCORE_EXTERN |
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49 | #define SCORE_EXTERN extern |
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50 | #endif |
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51 | |
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52 | #ifdef SAPI_INIT |
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53 | #undef SAPI_EXTERN |
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54 | #define SAPI_EXTERN |
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55 | #else |
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56 | #undef SAPI_EXTERN |
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57 | #define SAPI_EXTERN extern |
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58 | #endif |
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59 | |
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60 | #ifdef RTEMS_API_INIT |
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61 | #undef RTEMS_EXTERN |
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62 | #define RTEMS_EXTERN |
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63 | #else |
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64 | #undef RTEMS_EXTERN |
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65 | #define RTEMS_EXTERN extern |
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66 | #endif |
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67 | |
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68 | #ifdef POSIX_API_INIT |
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69 | #undef POSIX_EXTERN |
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70 | #define POSIX_EXTERN |
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71 | #else |
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72 | #undef POSIX_EXTERN |
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73 | #define POSIX_EXTERN extern |
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74 | #endif |
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75 | |
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76 | /* |
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77 | * The following (in conjunction with compiler arguments) are used |
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78 | * to choose between the use of static inline functions and macro |
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79 | * functions. The static inline implementation allows better |
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80 | * type checking with no cost in code size or execution speed. |
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81 | */ |
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82 | |
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83 | #ifdef USE_INLINES |
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84 | # ifdef __GNUC__ |
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85 | # define RTEMS_INLINE_ROUTINE static __inline__ |
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86 | # else |
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87 | # define RTEMS_INLINE_ROUTINE static inline |
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88 | # endif |
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89 | #else |
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90 | # define RTEMS_INLINE_ROUTINE |
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91 | #endif |
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92 | |
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93 | /* |
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94 | * Include a base set of files. |
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95 | */ |
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96 | |
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97 | /* |
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98 | * XXX: Eventually proc_ptr needs to disappear!!! |
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99 | */ |
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100 | |
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101 | typedef void * proc_ptr; |
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102 | |
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103 | #include <rtems/score/cpu.h> /* processor specific information */ |
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104 | |
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105 | /* |
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106 | * Define NULL |
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107 | */ |
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108 | |
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109 | #ifndef NULL |
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110 | #define NULL 0 /* NULL value */ |
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111 | #endif |
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112 | |
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113 | /* |
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114 | * Boolean constants |
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115 | */ |
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116 | |
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117 | #if !defined( TRUE ) || (TRUE != 1) |
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118 | #undef TRUE |
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119 | #define TRUE (1) |
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120 | #endif |
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121 | |
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122 | #if !defined( FALSE ) || (FALSE != 0) |
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123 | #undef FALSE |
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124 | #define FALSE (0) |
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125 | #endif |
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126 | |
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127 | #define stringify( _x ) # _x |
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128 | |
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129 | #define RTEMS_offsetof(type, field) \ |
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130 | ((unsigned32) &(((type *) 0)->field)) |
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131 | |
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132 | /* |
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133 | * The following is the extern for the RTEMS version string. |
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134 | * The contents of this string are CPU specific. |
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135 | */ |
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136 | |
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137 | extern const char _RTEMS_version[]; /* RTEMS version string */ |
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138 | extern const char _Copyright_Notice[]; /* RTEMS copyright string */ |
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139 | |
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140 | /* |
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141 | * The following defines the CPU dependent information table. |
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142 | */ |
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143 | |
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144 | SCORE_EXTERN rtems_cpu_table _CPU_Table; /* CPU dependent info */ |
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145 | |
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146 | /* |
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147 | * XXX weird RTEMS stuff |
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148 | */ |
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149 | |
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150 | #define RTEMS_MAXIMUM_NAME_LENGTH 4 |
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151 | |
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152 | #ifdef __cplusplus |
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153 | } |
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154 | #endif |
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155 | |
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156 | #endif |
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157 | /* end of include file */ |
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