1 | /* |
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2 | * sys_socket.c - implement the various socket related system calls |
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3 | * |
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4 | * Author Alain Greiner (2016,2017,2018,2019,2020) |
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5 | * |
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6 | * Copyright (c) UPMC Sorbonne Universites |
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7 | * |
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8 | * This file is part of ALMOS-MKH. |
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9 | * |
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10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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11 | * under the terms of the GNU General Public License as published by |
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12 | * the Free Software Foundation; version 2.0 of the License. |
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13 | * |
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14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |
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24 | #include <hal_kernel_types.h> |
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25 | #include <hal_uspace.h> |
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26 | #include <hal_vmm.h> |
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27 | #include <errno.h> |
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28 | #include <vmm.h> |
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29 | #include <cluster.h> |
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30 | #include <thread.h> |
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31 | #include <process.h> |
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32 | #include <ksocket.h> |
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33 | #include <string.h> |
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34 | #include <shared_syscalls.h> |
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35 | #include <shared_socket.h> |
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36 | #include <remote_barrier.h> |
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37 | #include <vfs.h> |
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38 | #include <mapper.h> |
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39 | |
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40 | #include <syscalls.h> |
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41 | |
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42 | ///////////////////////////////////////////////////////////////////////////////// |
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43 | // This function returns a printable string for the socket related command type. |
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44 | ///////////////////////////////////////////////////////////////////////////////// |
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45 | |
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46 | #if DEBUG_SYS_SOCKET |
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47 | static char* socket_user_cmd_str( uint32_t type ) |
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48 | { |
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49 | if ( type == SOCK_CREATE ) return "CREATE"; |
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50 | else if( type == SOCK_BIND ) return "BIND"; |
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51 | else if( type == SOCK_LISTEN ) return "LISTEN"; |
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52 | else if( type == SOCK_CONNECT ) return "CONNECT"; |
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53 | else if( type == SOCK_ACCEPT ) return "ACCEPT"; |
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54 | else if( type == SOCK_SEND ) return "SEND"; |
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55 | else if( type == SOCK_RECV ) return "RECV"; |
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56 | else if( type == SOCK_SENDTO ) return "SENDTO"; |
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57 | else if( type == SOCK_RECVFROM ) return "RECVFROM"; |
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58 | else return "undefined"; |
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59 | } |
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60 | #endif |
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61 | |
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62 | ///////////////////////////// |
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63 | int sys_socket( reg_t arg0, |
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64 | reg_t arg1, |
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65 | reg_t arg2, |
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66 | reg_t arg3 ) |
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67 | { |
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68 | int ret; |
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69 | vseg_t * vseg; |
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70 | |
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71 | sockaddr_in_t k_sockaddr; // kernel buffer for one socket address |
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72 | |
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73 | thread_t * this = CURRENT_THREAD; |
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74 | process_t * process = this->process; |
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75 | |
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76 | uint32_t cmd = arg0; |
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77 | |
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78 | #if DEBUG_SYS_SOCKET || DEBUG_SYSCALLS_ERROR || CONFIG_INSTRUMENTATION_SYSCALLS |
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79 | uint64_t tm_start = hal_get_cycles(); |
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80 | #endif |
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81 | |
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82 | #if DEBUG_SYS_SOCKET |
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83 | char kbuf[64]; |
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84 | if( DEBUG_SYS_SOCKET < (uint32_t)tm_start ) |
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85 | printk("\n[%s] thread[%x,%x] enter for %s / a1 %x / a2 %x / a3 %x / cycle %d\n", |
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86 | __FUNCTION__, process->pid, this->trdid, socket_user_cmd_str(cmd), |
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87 | arg1, arg2, arg3, (uint32_t)tm_start ); |
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88 | #endif |
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89 | |
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90 | switch( cmd ) |
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91 | { |
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92 | ///////////////// |
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93 | case SOCK_CREATE: |
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94 | { |
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95 | uint32_t domain = arg1; |
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96 | uint32_t type = arg2; |
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97 | |
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98 | if( domain != AF_INET ) |
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99 | { |
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100 | |
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101 | #if DEBUG_SYSCALLS_ERROR |
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102 | printk("\n[ERROR] in %s : thread[%x,%x] / CREATE / domain %d =! AF_INET / cycle %d\n", |
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103 | __FUNCTION__ , process->pid , this->trdid , domain , (uint32_t)tm_start ); |
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104 | #endif |
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105 | this->errno = EINVAL; |
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106 | ret = -1; |
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107 | break; |
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108 | } |
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109 | |
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110 | if( (type != SOCK_DGRAM) && (type != SOCK_STREAM) ) |
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111 | { |
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112 | |
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113 | #if DEBUG_SYSCALLS_ERROR |
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114 | printk("\n[ERROR] in %s : thread[%x,%x] / CREATE / illegal socket type / cycle %d\n", |
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115 | __FUNCTION__ , process->pid , this->trdid , (uint32_t)tm_start); |
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116 | #endif |
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117 | this->errno = EINVAL; |
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118 | ret = -1; |
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119 | break; |
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120 | } |
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121 | |
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122 | // call relevant kernel socket function |
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123 | ret = socket_build( domain , type ); |
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124 | |
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125 | if( ret < 0 ) |
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126 | { |
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127 | |
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128 | #if DEBUG_SYSCALLS_ERROR |
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129 | printk("\n[ERROR] in %s : thread[%x,%x] / CREATE / cannot create socket / cycle %d\n", |
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130 | __FUNCTION__ , process->pid , this->trdid , (uint32_t)tm_start); |
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131 | #endif |
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132 | this->errno = EINVAL; |
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133 | ret = -1; |
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134 | break; |
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135 | } |
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136 | |
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137 | break; |
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138 | } |
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139 | /////////////// |
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140 | case SOCK_BIND: |
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141 | { |
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142 | uint32_t fdid = arg1; |
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143 | sockaddr_in_t * u_sockaddr = (sockaddr_in_t *)(intptr_t)arg2; |
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144 | |
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145 | // check addr pointer in user space |
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146 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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147 | { |
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148 | |
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149 | #if DEBUG_SYSCALLS_ERROR |
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150 | printk("\n[ERROR] in %s : thread[%x,%x] / BIND / socket address %x unmapped / cycle %d\n", |
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151 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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152 | #endif |
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153 | this->errno = EINVAL; |
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154 | ret = -1; |
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155 | break; |
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156 | } |
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157 | |
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158 | // copy sockaddr structure from uspace to kernel space |
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159 | hal_copy_from_uspace( XPTR( local_cxy , &k_sockaddr ), |
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160 | u_sockaddr, |
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161 | sizeof(sockaddr_in_t) ); |
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162 | |
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163 | // call relevant kernel socket function |
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164 | ret = socket_bind( fdid, |
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165 | k_sockaddr.sin_addr, |
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166 | k_sockaddr.sin_port ); |
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167 | |
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168 | if( ret < 0 ) |
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169 | { |
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170 | |
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171 | #if DEBUG_SYSCALLS_ERROR |
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172 | printk("\n[ERROR] in %s : thread[%x,%x] / BIND / cannot access socket[%x,%d] / cycle %d\n", |
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173 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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174 | #endif |
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175 | this->errno = EINVAL; |
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176 | ret = -1; |
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177 | break; |
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178 | } |
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179 | |
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180 | break; |
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181 | } |
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182 | ///////////////// |
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183 | case SOCK_LISTEN: |
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184 | { |
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185 | uint32_t fdid = (uint32_t)arg1; |
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186 | uint32_t max_pending = (uint32_t)arg2; |
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187 | |
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188 | // call relevant kernel socket function |
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189 | ret = socket_listen( fdid , max_pending ); |
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190 | |
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191 | if( ret < 0 ) |
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192 | { |
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193 | |
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194 | #if DEBUG_SYSCALLS_ERROR |
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195 | printk("\n[ERROR] in %s : thread[%x,%x] / LISTEN / cannot access socket[%x,%d] / cycle %d\n", |
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196 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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197 | #endif |
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198 | this->errno = EINVAL; |
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199 | ret = -1; |
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200 | break; |
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201 | } |
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202 | |
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203 | break; |
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204 | } |
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205 | ////////////////// |
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206 | case SOCK_CONNECT: |
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207 | { |
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208 | uint32_t fdid = (uint32_t)arg1; |
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209 | sockaddr_in_t * u_sockaddr = (sockaddr_in_t *)(intptr_t)arg2; |
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210 | |
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211 | // check addr pointer in user space |
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212 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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213 | { |
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214 | |
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215 | #if DEBUG_SYSCALLS_ERROR |
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216 | printk("\n[ERROR] in %s : thread[%x,%x] / CONNECT / server address %x unmapped / cycle %d\n", |
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217 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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218 | #endif |
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219 | this->errno = EINVAL; |
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220 | ret = -1; |
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221 | break; |
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222 | } |
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223 | |
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224 | // copy sockaddr structure from uspace to kernel space |
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225 | hal_copy_from_uspace( XPTR( local_cxy , &k_sockaddr ), |
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226 | u_sockaddr , |
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227 | sizeof(sockaddr_in_t) ); |
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228 | |
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229 | // call relevant kernel function |
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230 | ret = socket_connect( fdid, |
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231 | k_sockaddr.sin_addr, |
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232 | k_sockaddr.sin_port ); |
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233 | if( ret < 0 ) |
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234 | { |
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235 | |
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236 | #if DEBUG_SYSCALLS_ERROR |
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237 | printk("\n[ERROR] in %s : thread[%x,%x] / LISTEN / cannot access socket[%x,%d] / cycle %d\n", |
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238 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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239 | #endif |
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240 | this->errno = EINVAL; |
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241 | ret = -1; |
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242 | break; |
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243 | } |
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244 | |
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245 | break; |
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246 | } |
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247 | ///////////////// |
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248 | case SOCK_ACCEPT: |
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249 | { |
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250 | uint32_t fdid = (uint32_t)arg1; |
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251 | sockaddr_in_t * u_sockaddr = (sockaddr_in_t *)(intptr_t)arg2; |
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252 | |
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253 | // check addr pointer in user space |
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254 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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255 | { |
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256 | |
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257 | #if DEBUG_SYSCALLS_ERROR |
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258 | printk("\n[ERROR] in %s : thread[%x,%x] / CONNECT / server address %x unmapped / cycle %d\n", |
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259 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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260 | #endif |
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261 | this->errno = EINVAL; |
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262 | ret = -1; |
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263 | break; |
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264 | } |
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265 | |
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266 | // call relevant kernel function |
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267 | ret = socket_accept( fdid, |
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268 | &k_sockaddr.sin_addr, |
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269 | &k_sockaddr.sin_port ); |
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270 | |
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271 | if( ret < 0 ) |
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272 | { |
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273 | |
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274 | #if DEBUG_SYSCALLS_ERROR |
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275 | printk("\n[ERROR] in %s : thread[%x,%x] / ACCEPT / cannot access socket[%x,%d] / cycle %d\n", |
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276 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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277 | #endif |
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278 | this->errno = EINVAL; |
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279 | } |
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280 | |
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281 | // copy sockaddr structure from kernel space to uspace |
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282 | hal_copy_to_uspace( u_sockaddr, |
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283 | XPTR( local_cxy , &k_sockaddr ), |
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284 | sizeof(sockaddr_in_t) ); |
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285 | |
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286 | break; |
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287 | } |
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288 | /////////////// |
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289 | case SOCK_SEND: |
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290 | { |
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291 | uint32_t fdid = (uint32_t)arg1; |
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292 | uint8_t * u_buf = (uint8_t *)(intptr_t)arg2; |
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293 | uint32_t length = (uint32_t)arg3; |
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294 | |
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295 | // check buffer is mapped in user space |
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296 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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297 | { |
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298 | |
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299 | #if DEBUG_SYSCALLS_ERROR |
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300 | printk("\n[ERROR] in %s : thread[%x,%x] / SEND / u_buf %x unmapped / cycle %d\n", |
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301 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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302 | #endif |
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303 | this->errno = EINVAL; |
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304 | ret = -1; |
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305 | break; |
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306 | } |
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307 | |
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308 | // check length argument |
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309 | if( (length == 0) || (length > (1<<CONFIG_SOCK_TX_BUF_ORDER)) ) |
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310 | { |
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311 | |
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312 | #if DEBUG_SYSCALLS_ERROR |
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313 | printk("\n[ERROR] in %s : thread[%x,%x] / SEND / bad buffer length %d / cycle %d\n", |
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314 | __FUNCTION__ , process->pid , this->trdid , length , (uint32_t)tm_start ); |
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315 | #endif |
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316 | this->errno = EINVAL; |
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317 | ret = -1; |
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318 | break; |
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319 | } |
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320 | |
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321 | // cal relevant socket function |
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322 | ret = socket_send( fdid, |
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323 | u_buf, |
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324 | length ); |
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325 | if( ret < 0 ) |
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326 | { |
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327 | |
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328 | #if DEBUG_SYSCALLS_ERROR |
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329 | printk("\n[ERROR] in %s : thread[%x,%x] / SEND / cannot access socket[%x,%d] / cycle %d\n", |
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330 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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331 | #endif |
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332 | this->errno = EINVAL; |
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333 | } |
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334 | |
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335 | #if DEBUG_SYS_SOCKET |
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336 | if( DEBUG_SYS_SOCKET < (uint32_t)tm_start ) |
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337 | { |
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338 | hal_copy_from_uspace( XPTR( local_cxy , &kbuf ) , u_buf , ret ); |
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339 | printk("\n[%s] thread[%x,%x] send %d bytes <%s>\n", |
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340 | __FUNCTION__, process->pid, this->trdid , ret, kbuf ); |
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341 | } |
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342 | #endif |
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343 | break; |
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344 | } |
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345 | /////////////// |
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346 | case SOCK_RECV: |
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347 | { |
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348 | uint32_t fdid = (uint32_t)arg1; |
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349 | uint8_t * u_buf = (uint8_t *)(intptr_t)arg2; |
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350 | uint32_t length = (uint32_t)arg3; |
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351 | |
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352 | // check buffer is mapped in user space |
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353 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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354 | { |
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355 | |
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356 | #if DEBUG_SYSCALLS_ERROR |
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357 | printk("\n[ERROR] in %s : thread[%x,%x] / RECV / u_buf %x unmapped / cycle %d\n", |
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358 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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359 | #endif |
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360 | this->errno = EINVAL; |
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361 | ret = -1; |
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362 | break; |
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363 | } |
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364 | |
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365 | // check length argument |
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366 | if( (length == 0) || (length > (1<<CONFIG_SOCK_RX_BUF_ORDER)) ) |
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367 | { |
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368 | |
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369 | #if DEBUG_SYSCALLS_ERROR |
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370 | printk("\n[ERROR] in %s : thread[%x,%x] / RECV / bad buffer length %d / cycle %d\n", |
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371 | __FUNCTION__ , process->pid , this->trdid , length , (uint32_t)tm_start ); |
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372 | #endif |
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373 | this->errno = EINVAL; |
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374 | ret = -1; |
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375 | break; |
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376 | } |
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377 | |
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378 | // cal relevant kernel socket function |
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379 | ret = socket_recv( fdid, |
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380 | u_buf, |
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381 | length ); |
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382 | if( ret < 0 ) |
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383 | { |
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384 | |
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385 | #if DEBUG_SYSCALLS_ERROR |
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386 | printk("\n[ERROR] in %s : thread[%x,%x] / RECV / cannot access socket[%x,%d] / cycle %d\n", |
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387 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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388 | #endif |
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389 | this->errno = EINVAL; |
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390 | } |
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391 | |
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392 | #if DEBUG_SYS_SOCKET |
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393 | if( DEBUG_SYS_SOCKET < (uint32_t)tm_start ) |
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394 | { |
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395 | hal_copy_from_uspace( XPTR( local_cxy , &kbuf ) , u_buf , ret ); |
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396 | printk("\n[%s] thread[%x,%x] received %d bytes <%s>\n", |
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397 | __FUNCTION__, process->pid, this->trdid , ret, kbuf ); |
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398 | } |
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399 | #endif |
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400 | break; |
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401 | } |
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402 | ///////////////// |
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403 | case SOCK_SENDTO: |
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404 | { |
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405 | sockaddr_in_t k_remote_addr; |
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406 | |
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407 | uint32_t fdid = (uint32_t)arg1 & 0x0000FFFF; |
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408 | uint32_t length = (uint32_t)arg1 >> 16; |
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409 | uint8_t * u_buf = (uint8_t *)(intptr_t)arg2; |
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410 | sockaddr_t * u_remote_addr = (sockaddr_t *)(intptr_t)arg3; |
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411 | |
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412 | // check u_buf mapped in user space |
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413 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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414 | { |
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415 | |
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416 | #if DEBUG_SYSCALLS_ERROR |
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417 | printk("\n[ERROR] in %s : thread[%x,%x] / SENDTO / u_buf %x unmapped / cycle %d\n", |
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418 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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419 | #endif |
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420 | this->errno = EINVAL; |
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421 | ret = -1; |
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422 | break; |
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423 | } |
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424 | |
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425 | // check u_remote_addr mapped in user space |
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426 | if( vmm_get_vseg( process , (intptr_t)arg3 , &vseg ) ) |
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427 | { |
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428 | |
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429 | #if DEBUG_SYSCALLS_ERROR |
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430 | printk("\n[ERROR] in %s : thread[%x,%x] / SENDTO / u_remote_addr %x unmapped / cycle %d\n", |
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431 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg3 , (uint32_t)tm_start ); |
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432 | #endif |
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433 | this->errno = EINVAL; |
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434 | ret = -1; |
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435 | break; |
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436 | } |
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437 | |
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438 | // check length argument |
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439 | if( (length == 0) || (length > (1<<CONFIG_SOCK_TX_BUF_ORDER)) ) |
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440 | { |
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441 | |
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442 | #if DEBUG_SYSCALLS_ERROR |
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443 | printk("\n[ERROR] in %s : thread[%x,%x] / SENDTO / bad length %d / cycle %d\n", |
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444 | __FUNCTION__ , process->pid , this->trdid , length , (uint32_t)tm_start ); |
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445 | #endif |
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446 | this->errno = EINVAL; |
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447 | ret = -1; |
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448 | break; |
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449 | } |
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450 | |
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451 | // make a kernel copy of the sockaddr_t structure |
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452 | hal_copy_from_uspace( XPTR( local_cxy , &k_remote_addr ), |
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453 | u_remote_addr, sizeof(sockaddr_t) ); |
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454 | |
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455 | // cal relevant socket function |
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456 | ret = socket_sendto( fdid, |
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457 | u_buf, |
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458 | length, |
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459 | k_remote_addr.sin_addr, |
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460 | k_remote_addr.sin_port ); |
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461 | if( ret < 0 ) |
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462 | { |
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463 | |
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464 | #if DEBUG_SYSCALLS_ERROR |
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465 | printk("\n[ERROR] in %s : thread[%x,%x] / SENDTO / cannot access socket[%x,%d] / cycle %d\n", |
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466 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
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467 | #endif |
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468 | this->errno = EINVAL; |
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469 | } |
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470 | |
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471 | break; |
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472 | } |
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473 | /////////////////// |
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474 | case SOCK_RECVFROM: |
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475 | { |
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476 | sockaddr_in_t k_remote_addr; |
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477 | |
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478 | uint32_t fdid = (uint32_t)arg1 & 0x0000FFFF; |
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479 | uint32_t length = (uint32_t)arg1 >> 16; |
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480 | uint8_t * u_buf = (uint8_t *)(intptr_t)arg2; |
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481 | sockaddr_t * u_remote_addr = (sockaddr_t *)(intptr_t)arg3; |
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482 | |
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483 | // check buffer is mapped in user space |
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484 | if( vmm_get_vseg( process , (intptr_t)arg2 , &vseg ) ) |
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485 | { |
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486 | |
---|
487 | #if DEBUG_SYSCALLS_ERROR |
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488 | printk("\n[ERROR] in %s : thread[%x,%x] / RECVFROM / u_buf %x unmapped / cycle %d\n", |
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489 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg2 , (uint32_t)tm_start ); |
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490 | #endif |
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491 | this->errno = EINVAL; |
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492 | ret = -1; |
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493 | break; |
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494 | } |
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495 | |
---|
496 | // check u_remote_addr mapped in user space |
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497 | if( vmm_get_vseg( process , (intptr_t)arg3 , &vseg ) ) |
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498 | { |
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499 | |
---|
500 | #if DEBUG_SYSCALLS_ERROR |
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501 | printk("\n[ERROR] in %s : thread[%x,%x] / RECVFROM / u_remote_addr %x unmapped / cycle %d\n", |
---|
502 | __FUNCTION__ , process->pid , this->trdid , (intptr_t)arg3 , (uint32_t)tm_start ); |
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503 | #endif |
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504 | this->errno = EINVAL; |
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505 | ret = -1; |
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506 | break; |
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507 | } |
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508 | |
---|
509 | // check length argument |
---|
510 | if( (length == 0) || (length > (1<<CONFIG_SOCK_RX_BUF_ORDER)) ) |
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511 | { |
---|
512 | |
---|
513 | #if DEBUG_SYSCALLS_ERROR |
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514 | printk("\n[ERROR] in %s : thread[%x,%x] / RECVFROM / bad length %d / cycle %d\n", |
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515 | __FUNCTION__ , process->pid , this->trdid , length , (uint32_t)tm_start ); |
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516 | #endif |
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517 | this->errno = EINVAL; |
---|
518 | ret = -1; |
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519 | break; |
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520 | } |
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521 | |
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522 | // make a kernel copy of the sockaddr_t structure |
---|
523 | hal_copy_from_uspace( XPTR( local_cxy , &k_remote_addr ), |
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524 | u_remote_addr, sizeof(sockaddr_t) ); |
---|
525 | |
---|
526 | // cal relevant socket function |
---|
527 | ret = socket_recvfrom( fdid, |
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528 | u_buf, |
---|
529 | length, |
---|
530 | k_remote_addr.sin_addr, |
---|
531 | k_remote_addr.sin_port ); |
---|
532 | if( ret < 0 ) |
---|
533 | { |
---|
534 | |
---|
535 | #if DEBUG_SYSCALLS_ERROR |
---|
536 | printk("\n[ERROR] in %s : thread[%x,%x] / RECVFROM / cannot access socket[%x,%d] / cycle %d\n", |
---|
537 | __FUNCTION__ , process->pid , this->trdid , process->pid, fdid , (uint32_t)tm_start ); |
---|
538 | #endif |
---|
539 | this->errno = EINVAL; |
---|
540 | } |
---|
541 | |
---|
542 | break; |
---|
543 | } |
---|
544 | //////// |
---|
545 | default: |
---|
546 | { |
---|
547 | |
---|
548 | #if DEBUG_SYSCALLS_ERROR |
---|
549 | printk("\n[ERROR] in %s : thread[%x,%x] / undefined socket operation %d / cycle %d\n", |
---|
550 | __FUNCTION__ , process->pid , this->trdid , cmd , (uint32_t)tm_start ); |
---|
551 | #endif |
---|
552 | this->errno = EINVAL; |
---|
553 | ret = -1; |
---|
554 | break; |
---|
555 | } |
---|
556 | } // end switch on cmd |
---|
557 | |
---|
558 | #if (DEBUG_SYS_SOCKET || CONFIG_INSTRUMENTATION_SYSCALLS) |
---|
559 | uint64_t tm_end = hal_get_cycles(); |
---|
560 | #endif |
---|
561 | |
---|
562 | #if DEBUG_SYS_SOCKET |
---|
563 | printk("\n[%s] thread[%x,%x] exit for %s / cycle %d\n", |
---|
564 | __FUNCTION__, process->pid, this->trdid, socket_user_cmd_str(cmd), (uint32_t)tm_end ); |
---|
565 | #endif |
---|
566 | |
---|
567 | #if CONFIG_INSTRUMENTATION_SYSCALLS |
---|
568 | hal_atomic_add( &syscalls_cumul_cost[SYS_SOCKET] , tm_end - tm_start ); |
---|
569 | hal_atomic_add( &syscalls_occurences[SYS_SOCKET] , 1 ); |
---|
570 | #endif |
---|
571 | |
---|
572 | return ret; |
---|
573 | |
---|
574 | } // end sys_socket() |
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