1 | /* |
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2 | * syscalls.h - kernel services definition |
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3 | * |
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4 | * Author Ghassan Almaless (2007,2008,2009,2010,2011,2012) |
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5 | * Alain Greiner (2016) |
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6 | * |
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7 | * Copyright (c) UPMC Sorbonne Universites |
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8 | * |
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9 | * This file is part of ALMOS-MKH. |
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10 | * |
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11 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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12 | * under the terms of the GNU General Public License as published by |
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13 | * the Free Software Foundation; version 2.0 of the License. |
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14 | * |
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15 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | * General Public License for more details. |
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19 | * |
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20 | * You should have received a copy of the GNU General Public License |
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21 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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22 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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23 | */ |
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24 | |
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25 | #ifndef _SYSCALLS_H_ |
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26 | #define _SYSCALLS_H_ |
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27 | |
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28 | /****************************************************************************************** |
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29 | * This enum defines the mnemonics for the syscall indexes. |
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30 | * It must be kept consistent with the array defined in do_syscalls.c |
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31 | *****************************************************************************************/ |
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32 | enum |
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33 | { |
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34 | SYS_EXIT, /* 0 */ |
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35 | SYS_MMAP, /* 1 */ |
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36 | SYS_CREATE, /* 2 */ |
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37 | SYS_JOIN, /* 3 */ |
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38 | SYS_DETACH, /* 4 */ |
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39 | SYS_YIELD, /* 5 */ |
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40 | SYS_SEMAPHORE, /* 6 */ |
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41 | SYS_COND_VAR, /* 7 */ |
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42 | SYS_BARRIER, /* 8 */ |
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43 | SYS_RWLOCK, /* 9 */ |
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44 | SYS_SLEEP, /* 10 */ |
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45 | SYS_WAKEUP, /* 11 */ |
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46 | SYS_OPEN, /* 12 */ |
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47 | SYS_CREAT, /* 13 */ |
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48 | SYS_READ, /* 14 */ |
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49 | SYS_WRITE, /* 15 */ |
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50 | SYS_LSEEK, /* 16 */ |
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51 | SYS_CLOSE, /* 17 */ |
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52 | SYS_UNLINK, /* 18 */ |
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53 | SYS_PIPE, /* 19 */ |
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54 | SYS_CHDIR, /* 20 */ |
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55 | SYS_MKDIR, /* 21 */ |
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56 | SYS_MKFIFO, /* 22 */ |
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57 | SYS_OPENDIR, /* 23 */ |
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58 | SYS_READDIR, /* 24 */ |
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59 | SYS_CLOSEDIR, /* 25 */ |
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60 | SYS_GETCWD, /* 26 */ |
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61 | SYS_CLOCK, /* 27 */ |
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62 | SYS_ALARM, /* 28 */ |
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63 | SYS_DMA_MEMCPY, /* 29 */ |
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64 | SYS_UTLS, /* 30 */ |
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65 | SYS_SIGRETURN, /* 31 */ |
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66 | SYS_SIGNAL, /* 32 */ |
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67 | SYS_SET_SIGRETURN, /* 33 */ |
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68 | SYS_KILL, /* 34 */ |
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69 | SYS_GETPID, /* 35 */ |
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70 | SYS_FORK, /* 36 */ |
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71 | SYS_EXEC, /* 37 */ |
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72 | SYS_GETATTR, /* 38 */ |
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73 | SYS_PS, /* 39 */ |
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74 | SYS_MADVISE, /* 40 */ |
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75 | SYS_PAGEINFO, /* 41 */ |
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76 | SYS_STAT, /* 42 */ |
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77 | SYS_MIGRATE, /* 43 */ |
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78 | SYS_SBRK, /* 44 */ |
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79 | SYS_RMDIR, /* 45 */ |
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80 | SYS_FTIME, /* 46 */ |
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81 | SYS_CHMOD, /* 47 */ |
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82 | SYS_FSYNC, /* 48 */ |
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83 | SYS_GET_TOD, /* 49 */ |
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84 | SYS_TIMES, /* 50 */ |
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85 | SYSCALLS_NR, |
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86 | }; |
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87 | |
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88 | /********************************************************************************************/ |
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89 | /******************** Process related system calls ***************************************/ |
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90 | /********************************************************************************************/ |
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91 | |
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92 | |
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93 | /********************************************************************************************* |
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94 | * [0] This function TODO |
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95 | ********************************************************************************************/ |
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96 | int sys_thread_exit( void * ); |
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97 | |
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98 | /********************************************************************************************* |
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99 | * [1] This function TODO |
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100 | ********************************************************************************************/ |
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101 | int sys_mmap(); |
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102 | |
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103 | /********************************************************************************************* |
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104 | * [2] This function TODO |
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105 | ********************************************************************************************/ |
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106 | int sys_thread_create(); |
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107 | |
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108 | /********************************************************************************************* |
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109 | * [3] This function TODO |
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110 | ********************************************************************************************/ |
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111 | int sys_thread_join(); |
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112 | |
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113 | /********************************************************************************************* |
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114 | * [4] This function TODO |
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115 | ********************************************************************************************/ |
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116 | int sys_thread_detach(); |
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117 | |
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118 | /********************************************************************************************* |
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119 | * [5] This function TODO |
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120 | ********************************************************************************************/ |
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121 | int sys_thread_yield(); |
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122 | |
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123 | /********************************************************************************************* |
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124 | * [6] This function TODO |
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125 | ********************************************************************************************/ |
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126 | int sys_sem(); |
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127 | |
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128 | /********************************************************************************************* |
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129 | * [7] This function TODO |
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130 | ********************************************************************************************/ |
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131 | int sys_cond_var(); |
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132 | |
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133 | /********************************************************************************************* |
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134 | * [8] This function TODO |
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135 | ********************************************************************************************/ |
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136 | int sys_barrier(); |
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137 | |
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138 | /********************************************************************************************* |
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139 | * [9] This function TODO |
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140 | ********************************************************************************************/ |
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141 | int sys_rwlock(); |
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142 | |
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143 | /********************************************************************************************* |
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144 | * [10] This function TODO |
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145 | ********************************************************************************************/ |
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146 | int sys_thread_sleep(); |
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147 | |
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148 | /********************************************************************************************* |
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149 | * [11] This function TODO |
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150 | ********************************************************************************************/ |
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151 | int sys_thread_wakeup(); |
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152 | |
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153 | /********************************************************************************************* |
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154 | * [12] This function TODO |
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155 | ********************************************************************************************/ |
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156 | int sys_open(); |
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157 | |
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158 | /********************************************************************************************* |
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159 | * [13] This function TODO |
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160 | ********************************************************************************************/ |
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161 | int sys_creat(); |
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162 | |
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163 | /********************************************************************************************* |
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164 | * [14] This function TODO |
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165 | ********************************************************************************************/ |
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166 | int sys_read(); |
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167 | |
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168 | /********************************************************************************************* |
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169 | * [15] This function TODO |
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170 | ********************************************************************************************/ |
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171 | int sys_write(); |
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172 | |
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173 | /********************************************************************************************* |
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174 | * [16] This function TODO |
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175 | ********************************************************************************************/ |
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176 | int sys_lseek(); |
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177 | |
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178 | /********************************************************************************************* |
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179 | * [17] This function TODO |
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180 | ********************************************************************************************/ |
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181 | int sys_close(); |
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182 | |
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183 | /********************************************************************************************* |
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184 | * [18] This function TODO |
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185 | ********************************************************************************************/ |
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186 | int sys_unlink(); |
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187 | |
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188 | /********************************************************************************************* |
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189 | * [19] This function TODO |
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190 | ********************************************************************************************/ |
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191 | int sys_pipe(); |
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192 | |
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193 | /********************************************************************************************* |
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194 | * [20] This function TODO |
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195 | ********************************************************************************************/ |
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196 | int sys_chdir(); |
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197 | |
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198 | /********************************************************************************************* |
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199 | * [21] This function TODO |
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200 | ********************************************************************************************/ |
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201 | int sys_mkdir(); |
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202 | |
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203 | /********************************************************************************************* |
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204 | * [22] This function TODO |
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205 | ********************************************************************************************/ |
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206 | int sys_mkfifo(); |
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207 | |
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208 | /********************************************************************************************* |
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209 | * [23] This function TODO |
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210 | ********************************************************************************************/ |
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211 | int sys_opendir(); |
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212 | |
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213 | /********************************************************************************************* |
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214 | * [24] This function TODO |
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215 | ********************************************************************************************/ |
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216 | int sys_readdir(); |
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217 | |
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218 | /********************************************************************************************* |
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219 | * [25] This function TODO |
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220 | ********************************************************************************************/ |
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221 | int sys_closedir(); |
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222 | |
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223 | /********************************************************************************************* |
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224 | * [26] This function TODO |
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225 | ********************************************************************************************/ |
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226 | int sys_getcwd(); |
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227 | |
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228 | /********************************************************************************************* |
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229 | * [27] This function TODO |
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230 | ********************************************************************************************/ |
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231 | int sys_clock(); |
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232 | |
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233 | /********************************************************************************************* |
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234 | * [28] This function TODO |
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235 | ********************************************************************************************/ |
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236 | int sys_alarm(); |
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237 | |
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238 | /********************************************************************************************* |
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239 | * [29] This function TODO |
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240 | ********************************************************************************************/ |
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241 | int sys_dma_memcpy(); |
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242 | |
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243 | /********************************************************************************************* |
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244 | * [30] This function TODO |
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245 | ********************************************************************************************/ |
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246 | int sys_utls(); |
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247 | |
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248 | /********************************************************************************************* |
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249 | * [31] This function TODO |
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250 | ********************************************************************************************/ |
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251 | int sys_notAvailable(); |
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252 | |
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253 | /********************************************************************************************* |
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254 | * [32] This function TODO |
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255 | ********************************************************************************************/ |
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256 | int sys_signal(); |
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257 | |
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258 | /********************************************************************************************* |
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259 | * [33] This function TODO |
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260 | ********************************************************************************************/ |
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261 | int sys_sigreturn_setup(); |
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262 | |
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263 | /********************************************************************************************* |
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264 | * [34] This function implements the "kill" system call. |
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265 | * It register the signal identified by the <sig> argument in all thread descriptors |
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266 | * of process identified by the <pid> argument. |
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267 | ********************************************************************************************* |
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268 | * @ pid : target process identifier. |
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269 | * @ sig : signal index. |
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270 | ********************************************************************************************/ |
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271 | int sys_kill( pid_t pid, |
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272 | uint32_t sig ); |
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273 | |
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274 | /********************************************************************************************* |
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275 | * [35] This function TODO |
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276 | ********************************************************************************************/ |
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277 | int sys_getpid(); |
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278 | |
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279 | /********************************************************************************************* |
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280 | * [36] This function implement the "fork" system call. |
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281 | * The calling process descriptor (parent process), and the associated thread descriptor are |
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282 | * replicated in the same cluster as the calling thread, but the new process (child process) |
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283 | * is registered in another target cluster, that will become the process owner. |
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284 | * The child process and the associated main thread will be migrated to the target cluster |
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285 | * later, when the child process makes an "exec" or any other system call. |
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286 | * The target cluster depends on the "fork_user" flag and "fork_cxy" variable that can be |
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287 | * stored in the calling thread descriptor by the specific fork_place() system call. |
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288 | * If not, the sys_fork() function makes a query to the DQDT to select the target cluster. |
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289 | ********************************************************************************************* |
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290 | * @ returns child process PID if success / returns -1 if failure |
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291 | ********************************************************************************************/ |
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292 | int sys_fork(); |
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293 | |
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294 | /********************************************************************************************* |
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295 | * [37] This function implement the "exec" system call. |
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296 | * It is executed in the client cluster, but the new process descriptor and main thread |
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297 | * must be created in a server cluster, that is generally another cluster, using a RPC. |
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298 | * - If the server_cluster is the client cluster, call directly make_exec() in local |
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299 | * mode, to change the process image and launch a new thread in local cluster. |
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300 | * finally, the old thread is deleted. |
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301 | * - If the target_cluster is remote, call rpc_process_exec_client() to execute the |
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302 | * make_exec() in remote mode on the remote cluster, to create a new process |
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303 | * descriptor and a new thread on remote cluster. Finally, both the local |
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304 | * process descriptor and the local thread descriptor are deleted. |
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305 | * In both case this function build an exec_info_t structure containing all informations |
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306 | * required to build the new process descriptor and the associated thread, including |
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307 | * the mode (local/remote). |
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308 | ********************************************************************************************* |
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309 | * @ filename : string pointer on .elf filename (virtual pointer in user space) |
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310 | * @ argv : array of strings on process arguments (virtual pointers in user space) |
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311 | * @ envp : array of strings on Renvironment variables (virtual pointers in user space) |
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312 | * @ returns O if success / returns non-zero if error. |
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313 | ********************************************************************************************/ |
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314 | int sys_exec( char * filename, |
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315 | char ** argv, |
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316 | char ** envp ); |
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317 | |
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318 | /********************************************************************************************* |
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319 | * [38] This function TODO |
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320 | ********************************************************************************************/ |
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321 | int sys_thread_getattr(); |
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322 | |
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323 | /********************************************************************************************* |
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324 | * [39] This function implements the ps system call. |
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325 | ********************************************************************************************/ |
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326 | int sys_ps( uint32_t cmd, |
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327 | pid_t pid, |
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328 | uint32_t tid ); |
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329 | |
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330 | /********************************************************************************************* |
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331 | * [40] This function TODO |
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332 | ********************************************************************************************/ |
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333 | int sys_madvise(); |
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334 | |
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335 | /********************************************************************************************* |
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336 | * [41] This function TODO |
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337 | ********************************************************************************************/ |
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338 | int sys_mcntl(); |
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339 | |
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340 | /********************************************************************************************* |
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341 | * [42] This function TODO |
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342 | ********************************************************************************************/ |
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343 | int sys_stat(); |
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344 | |
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345 | /********************************************************************************************* |
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346 | * [43] This function TODO |
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347 | ********************************************************************************************/ |
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348 | int sys_thread_migrate(); |
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349 | |
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350 | /********************************************************************************************* |
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351 | * [44] This function TODO |
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352 | ********************************************************************************************/ |
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353 | int sys_sbrk(); |
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354 | |
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355 | /********************************************************************************************* |
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356 | * [45] This function TODO |
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357 | ********************************************************************************************/ |
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358 | int sys_rmdir(); |
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359 | |
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360 | /********************************************************************************************* |
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361 | * [46] This function TODO |
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362 | ********************************************************************************************/ |
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363 | int sys_ftime(); |
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364 | |
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365 | /********************************************************************************************* |
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366 | * [47] This function TODO |
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367 | ********************************************************************************************/ |
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368 | int sys_chmod(); |
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369 | |
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370 | /********************************************************************************************* |
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371 | * [48] This function TODO |
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372 | ********************************************************************************************/ |
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373 | int sys_fsync(); |
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374 | |
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375 | /********************************************************************************************* |
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376 | * [49] This function TODO |
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377 | ********************************************************************************************/ |
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378 | int sys_gettimeofday(); |
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379 | |
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380 | /********************************************************************************************* |
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381 | * [50] This function TODO |
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382 | ********************************************************************************************/ |
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383 | int sys_times(); |
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384 | |
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385 | |
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386 | #endif // _SYSCALLS_H_ |
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