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annotate packages/hal/synth/arch/current/include/hal_io.h @ 1908:e24eba6542a3

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Modify signal handler return sequence to avoid problems with recent kernels. Clean up the clock configuration options.
author bartv
date Fri, 11 Mar 2005 19:04:06 +0000
parents d27de7fdbf21
children de02720a095b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #ifndef CYGONCE_HAL_HAL_IO_H
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2 #define CYGONCE_HAL_HAL_IO_H
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3
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4 //=============================================================================
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5 //
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6 // hal_io.h
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7 //
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8 // HAL device IO register support.
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9 //
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10 //=============================================================================
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11 //####ECOSGPLCOPYRIGHTBEGIN####
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12 // -------------------------------------------
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13 // This file is part of eCos, the Embedded Configurable Operating System.
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14 // Copyright (C) 2002 Bart Veer
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15 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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16 //
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17 // eCos is free software; you can redistribute it and/or modify it under
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18 // the terms of the GNU General Public License as published by the Free
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19 // Software Foundation; either version 2 or (at your option) any later version.
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20 //
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21 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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22 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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24 // for more details.
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25 //
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26 // You should have received a copy of the GNU General Public License along
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27 // with eCos; if not, write to the Free Software Foundation, Inc.,
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28 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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29 //
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30 // As a special exception, if other files instantiate templates or use macros
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31 // or inline functions from this file, or you compile this file and link it
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32 // with other works to produce a work based on this file, this file does not
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33 // by itself cause the resulting work to be covered by the GNU General Public
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34 // License. However the source code for this file must still be made available
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35 // in accordance with section (3) of the GNU General Public License.
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36 //
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37 // This exception does not invalidate any other reasons why a work based on
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38 // this file might be covered by the GNU General Public License.
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39 //
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40 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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41 // at http://sources.redhat.com/ecos/ecos-license/
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42 // -------------------------------------------
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43 //####ECOSGPLCOPYRIGHTEND####
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44 //=============================================================================
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45 //#####DESCRIPTIONBEGIN####
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46 //
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47 // Author(s): nickg
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48 // Contributors:nickg, bartv, alunn, jlarmour
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49 // Date: 1998-02-17
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50 // Purpose: Define IO register support
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51 // Description: The macros defined here provide the HAL APIs for handling
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52 // device IO control registers.
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53 //
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54 // For the synthetic target these macros should never
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55 // actually be used since the application will run as an
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56 // ordinary user application and should not have
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57 // permission to access any real hardware. Instead
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58 // hardware access should go via the auxiliary. Possibly
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59 // the macros should be #pragma poison'd, but some people
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60 // may want to run the synthetic target in a way that
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61 // does involve accessing real hardware.
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62 //
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63 // The synthetic target provides some additional I/O
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64 // facilities in the form of Linux system calls. A useful
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65 // subset of these are prototyped here, together with
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66 // associated constants. There are also I/O operations to
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67 // interact with the auxiliary.
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68 //
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69 // Usage:
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70 // #include <cyg/hal/hal_io.h>
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71 // ...
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72 //
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73 //####DESCRIPTIONEND####
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74 //
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75 //=============================================================================
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76
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77 #include <cyg/infra/cyg_type.h>
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78
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79 #include <cyg/hal/var_io.h> // Variant-specific definitions
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80
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81 //-----------------------------------------------------------------------------
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82 // IO Register address.
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83 // This type is for recording the address of an IO register.
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84
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85 typedef volatile CYG_ADDRWORD HAL_IO_REGISTER;
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86
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87 //-----------------------------------------------------------------------------
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88 // BYTE Register access.
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89 // Individual and vectorized access to 8 bit registers.
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90
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91 #define HAL_READ_UINT8( _register_, _value_ ) \
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92 CYG_MACRO_START \
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93 ((_value_) = *((volatile CYG_BYTE *)(_register_))); \
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94 CYG_MACRO_END
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95
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96 #define HAL_WRITE_UINT8( _register_, _value_ ) \
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97 CYG_MACRO_START \
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98 (*((volatile CYG_BYTE *)(_register_)) = (_value_)); \
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99 CYG_MACRO_END
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100
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101 #define HAL_READ_UINT8_VECTOR( _register_, _buf_, _count_, _step_ ) \
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102 CYG_MACRO_START \
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103 cyg_count32 _i_,_j_; \
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104 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) { \
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105 (_buf_)[_i_] = ((volatile CYG_BYTE *)(_register_))[_j_]; \
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106 } \
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107 CYG_MACRO_END
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108
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109 #define HAL_WRITE_UINT8_VECTOR( _register_, _buf_, _count_, _step_ ) \
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110 CYG_MACRO_START \
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111 cyg_count32 _i_,_j_; \
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112 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) { \
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113 ((volatile CYG_BYTE *)(_register_))[_j_] = (_buf_)[_i_]; \
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114 } \
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115 CYG_MACRO_END
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116
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117
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118 //-----------------------------------------------------------------------------
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119 // 16 bit access.
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120 // Individual and vectorized access to 16 bit registers.
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121
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122 #define HAL_READ_UINT16( _register_, _value_ ) \
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123 CYG_MACRO_START \
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124 ((_value_) = *((volatile CYG_WORD16 *)(_register_))); \
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125 CYG_MACRO_END
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126
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127 #define HAL_WRITE_UINT16( _register_, _value_ ) \
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128 CYG_MACRO_START \
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129 (*((volatile CYG_WORD16 *)(_register_)) = (_value_)); \
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130 CYG_MACRO_END
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131
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132 #define HAL_READ_UINT16_VECTOR( _register_, _buf_, _count_, _step_ ) \
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133 CYG_MACRO_START \
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134 cyg_count32 _i_,_j_; \
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135 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) { \
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136 (_buf_)[_i_] = ((volatile CYG_WORD16 *)(_register_))[_j_]; \
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137 } \
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138 CYG_MACRO_END
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139
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140 #define HAL_WRITE_UINT16_VECTOR( _register_, _buf_, _count_, _step_ ) \
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141 CYG_MACRO_START \
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142 cyg_count32 _i_,_j_; \
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143 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) { \
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144 ((volatile CYG_WORD16 *)(_register_))[_j_] = (_buf_)[_i_]; \
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145 } \
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146 CYG_MACRO_END
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147
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148 //-----------------------------------------------------------------------------
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149 // 32 bit access.
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150 // Individual and vectorized access to 32 bit registers.
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151
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152 #define HAL_READ_UINT32( _register_, _value_ ) \
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153 CYG_MACRO_START \
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154 ((_value_) = *((volatile CYG_WORD32 *)(_register_))); \
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155 CYG_MACRO_END
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156
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157 #define HAL_WRITE_UINT32( _register_, _value_ ) \
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158 CYG_MACRO_START \
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159 (*((volatile CYG_WORD32 *)(_register_)) = (_value_)); \
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160 CYG_MACRO_END
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161
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162 #define HAL_READ_UINT32_VECTOR( _register_, _buf_, _count_, _step_ ) \
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163 CYG_MACRO_START \
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164 cyg_count32 _i_,_j_; \
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165 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) { \
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166 (_buf_)[_i_] = ((volatile CYG_WORD32 *)(_register_))[_j_]; \
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167 } \
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168 CYG_MACRO_END
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169
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170 #define HAL_WRITE_UINT32_VECTOR( _register_, _buf_, _count_, _step_ ) \
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171 CYG_MACRO_START \
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172 cyg_count32 _i_,_j_; \
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173 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) { \
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174 ((volatile CYG_WORD32 *)(_register_))[_j_] = (_buf_)[_i_]; \
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175 } \
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176 CYG_MACRO_END
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177
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178 // ----------------------------------------------------------------------------
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179 // Linux system calls and associated structures and constants. This is
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180 // by no means a complete list, but there is enough information for
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181 // the needs of the relevant HAL packages. The information needs to be
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182 // kept in synch with the Linux header files, but in practice
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183 // divergence will be rare because that would imply incompatible
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184 // changes in the Linux kernel API.
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185 //
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186 // It may seem tempting to import the Linux header files directly, but
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187 // that would prevent cross-compilation and introduce all kinds of
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188 // namespace pollution.
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189 //
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190 // The actual implementation lives in variant HAL packages since
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191 // typically they involve direct system calls via bits of assembler.
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192 // Note that only a subset of system calls are actually implemented,
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193 // so the variant HALs may need to be updated if this list needs to
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194 // be extended.
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195
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196 // Error codes.
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197 #define CYG_HAL_SYS_EINTR 4
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198 #define CYG_HAL_SYS_EAGAIN 11
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199
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200 // Signal-related information
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201 #define CYG_HAL_SYS_SIGHUP 1
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202 #define CYG_HAL_SYS_SIGINT 2
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203 #define CYG_HAL_SYS_SIGQUIT 3
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204 #define CYG_HAL_SYS_SIGILL 4
332
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205 #define CYG_HAL_SYS_SIGTRAP 5
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206 #define CYG_HAL_SYS_SIGABRT 6
161
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207 #define CYG_HAL_SYS_SIGBUS 7
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208 #define CYG_HAL_SYS_SIGFPE 8
332
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209 #define CYG_HAL_SYS_SIGKILL 9
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210 #define CYG_HAL_SYS_SIGUSR1 10
161
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211 #define CYG_HAL_SYS_SIGSEGV 11
332
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212 #define CYG_HAL_SYS_SIGUSR2 12
161
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213 #define CYG_HAL_SYS_SIGPIPE 13
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214 #define CYG_HAL_SYS_SIGALRM 14
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215 #define CYG_HAL_SYS_SIGTERM 15
332
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216 #define CYG_HAL_SYS_SIGSTKFLT 16
161
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217 #define CYG_HAL_SYS_SIGCHLD 17
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218 #define CYG_HAL_SYS_SIGCONT 18
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219 #define CYG_HAL_SYS_SIGSTOP 19
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220 #define CYG_HAL_SYS_SIGTSTP 20
332
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221 #define CYG_HAL_SYS_SIGTTIN 21
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222 #define CYG_HAL_SYS_SIGTTOU 22
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223 #define CYG_HAL_SYS_SIGURG 23
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224 #define CYG_HAL_SYS_SIGXCPU 24
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225 #define CYG_HAL_SYS_SIGXFSZ 25
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226 #define CYG_HAL_SYS_SIGVTALRM 26
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227 #define CYG_HAL_SYS_SIGPROF 27
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228 #define CYG_HAL_SYS_SIGWINCH 28
161
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229 #define CYG_HAL_SYS_SIGIO 29
332
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230 #define CYG_HAL_SYS_SIGPWR 30
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231 #define CYG_HAL_SYS_SIGSYS 31
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232
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233 #define CYG_HAL_SYS_SA_NOCLDSTOP 0x00000001
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234 #define CYG_HAL_SYS_SA_NOCLDWAIT 0x00000002
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235 #define CYG_HAL_SYS_SA_SIGINFO 0x00000004
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236 #define CYG_HAL_SYS_SA_RESTORER 0x04000000
161
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237 #define CYG_HAL_SYS_SA_RESTART 0x10000000
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238 #define CYG_HAL_SYS_SA_NODEFER 0x40000000
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239
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240 #define CYG_HAL_SYS_SIG_BLOCK 0
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241 #define CYG_HAL_SYS_SIG_UNBLOCK 1
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242 #define CYG_HAL_SYS_SIG_SETMASK 2
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243
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244 #define CYG_HAL_SYS__NSIG 64
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245 #define CYG_HAL_SYS__SIGBITS (8 * sizeof(unsigned long))
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246 #define CYG_HAL_SYS__SIGELT(_d_) ((_d_) / CYG_HAL_SYS__SIGBITS)
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247 #define CYG_HAL_SYS__SIGMASK(_d_) ((unsigned long)1 << ((_d_) % CYG_HAL_SYS__SIGBITS))
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248
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249 typedef struct cyg_hal_sys_sigset_t {
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250 unsigned long hal_sig_bits[CYG_HAL_SYS__NSIG / CYG_HAL_SYS__SIGBITS];
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251 } cyg_hal_sys_sigset_t;
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252
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253 #define CYG_HAL_SYS_SIGFILLSET(_set_) \
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254 CYG_MACRO_START \
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255 unsigned int __i; \
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256 for (__i = 0; __i < (CYG_HAL_SYS__NSIG / CYG_HAL_SYS__SIGBITS); __i++) { \
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257 (_set_)->hal_sig_bits[__i] = ~0; \
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258 } \
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259 CYG_MACRO_END
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260
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261 #define CYG_HAL_SYS_SIGEMPTYSET(_set_) \
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262 CYG_MACRO_START \
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263 unsigned int __i; \
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264 for (__i = 0; __i < (CYG_HAL_SYS__NSIG / CYG_HAL_SYS__SIGBITS); __i++) { \
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265 (_set_)->hal_sig_bits[__i] = 0; \
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266 } \
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267 CYG_MACRO_END
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268
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269 #define CYG_HAL_SYS_SIGADDSET(_set_, _bit_) \
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270 CYG_MACRO_START \
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271 (_set_)->hal_sig_bits[CYG_HAL_SYS__SIGELT(_bit_ - 1)] |= CYG_HAL_SYS__SIGMASK(_bit_ - 1); \
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272 CYG_MACRO_END
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273
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274 #define CYG_HAL_SYS_SIGDELSET(_set_, _bit_) \
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275 CYG_MACRO_START \
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276 (_set_)->hal_sig_bits[CYG_HAL_SYS__SIGELT(_bit_ - 1)] &= ~CYG_HAL_SYS__SIGMASK(_bit_ - 1); \
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277 CYG_MACRO_END
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278
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279 #define CYG_HAL_SYS_SIGISMEMBER(_set_, _bit_) \
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280 (0 != ((_set_)->hal_sig_bits[CYG_HAL_SYS__SIGELT(_bit_ - 1)] & CYG_HAL_SYS__SIGMASK(_bit_ - 1)))
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281
1908
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282 // The kernel sigaction structure has changed, to allow for >32
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283 // signals. This is the old version, i.e. a struct old_sigaction, for
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284 // use with the sigaction() system call rather than rt_sigaction(). It
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285 // is preferred to the more modern version because gdb knows about
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286 // rt_sigaction() and will start intercepting signals, but it seems to
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287 // ignore sigaction().
161
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288 struct cyg_hal_sys_sigaction {
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289 void (*hal_handler)(int);
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290 long hal_mask;
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291 int hal_flags;
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292 void (*hal_restorer)(void);
161
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293 };
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294
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295 // Time support.
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296 struct cyg_hal_sys_timeval {
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297 long hal_tv_sec;
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298 long hal_tv_usec;
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299 };
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300
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301 struct cyg_hal_sys_timezone {
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302 int hal_tz_minuteswest;
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303 int hal_tz_dsttime;
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304 };
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305
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306 // Select support. Initially this is used only by the idle handler.
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307 #define CYG_HAL_SYS_FD_SETSIZE 1024
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308 #define CYG_HAL_SYS__NFDBITS (8 * sizeof(unsigned long))
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309 #define CYG_HAL_SYS__FDELT(_d_) ((_d_) / CYG_HAL_SYS__NFDBITS)
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310 #define CYG_HAL_SYS__FDMASK(_d_) ((unsigned long)1 << ((_d_) % CYG_HAL_SYS__NFDBITS))
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311
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312 struct cyg_hal_sys_fd_set {
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313 unsigned long hal_fds_bits[CYG_HAL_SYS_FD_SETSIZE / CYG_HAL_SYS__NFDBITS];
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314 };
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315 #define CYG_HAL_SYS_FD_ZERO(_fdsp_) \
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316 do { \
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317 unsigned int __i; \
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318 for (__i = 0; \
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319 __i < (CYG_HAL_SYS_FD_SETSIZE / CYG_HAL_SYS__NFDBITS); \
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320 __i++) { \
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321 (_fdsp_)->hal_fds_bits[__i] = 0; \
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322 } \
161
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323 } while (0);
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324
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325 #define CYG_HAL_SYS_FD_SET(_fd_, _fdsp_) \
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326 CYG_MACRO_START \
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327 (_fdsp_)->hal_fds_bits[CYG_HAL_SYS__FDELT(_fd_)] |= CYG_HAL_SYS__FDMASK(_fd_); \
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328 CYG_MACRO_END
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329
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330 #define CYG_HAL_SYS_FD_CLR(_fd_, _fdsp_) \
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331 CYG_MACRO_START \
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332 (_fdsp_)->hal_fds_bits[CYG_HAL_SYS__FDELT(_fd_)] &= ~CYG_HAL_SYS__FDMASK(_fd_); \
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333 CYG_MACRO_END
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334
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335 #define CYG_HAL_SYS_FD_ISSET(_fd_, _fdsp_) \
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336 (0 != ((_fdsp_)->hal_fds_bits[CYG_HAL_SYS__FDELT(_fd_)] & CYG_HAL_SYS__FDMASK(_fd_)))
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337
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338 // Interval timer support, needed for the clock.
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339 #define CYG_HAL_SYS_ITIMER_REAL 0
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340 #define CYG_HAL_SYS_ITIMER_VIRTUAL 1
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341 #define CYG_HAL_SYS_ITIMER_PROF 2
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342
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343 struct cyg_hal_sys_itimerval {
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344 struct cyg_hal_sys_timeval hal_it_interval;
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345 struct cyg_hal_sys_timeval hal_it_value;
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346 };
202
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347
332
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348 // System calls and related constants, or rather the subset that is
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349 // needed internally.
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350 #define CYG_HAL_SYS_R_OK 0x04
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351 #define CYG_HAL_SYS_W_OK 0x02
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352 #define CYG_HAL_SYS_X_OK 0x01
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353 #define CYG_HAL_SYS_F_OK 0x00
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354
202
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355 /* lseek whence flags */
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356 #define CYG_HAL_SYS_SEEK_SET 0 /* Seek from beginning of file. */
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357 #define CYG_HAL_SYS_SEEK_CUR 1 /* Seek from current position. */
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358 #define CYG_HAL_SYS_SEEK_END 2 /* Seek from end of file. */
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359
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360 /* open/fcntl flags */
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361
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362 #define CYG_HAL_SYS_O_RDONLY 0
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363 #define CYG_HAL_SYS_O_WRONLY 01
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364 #define CYG_HAL_SYS_O_RDWR 02
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365 #define CYG_HAL_SYS_O_CREAT 0100
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366 #define CYG_HAL_SYS_O_EXCL 0200
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367 #define CYG_HAL_SYS_O_NOCTTY 0400
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368 #define CYG_HAL_SYS_O_TRUNC 01000
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369 #define CYG_HAL_SYS_O_APPEND 02000
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370 #define CYG_HAL_SYS_O_NONBLOCK 04000
202
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371 #define CYG_HAL_SYS_O_NDELAY CYG_HAL_SYS_O_NONBLOCK
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372 #define CYG_HAL_SYS_O_SYNC 010000
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373 #define CYG_HAL_SYS_O_FSYNC CYG_HAL_SYS_O_SYNC
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374 #define CYG_HAL_SYS_O_ASYNC 020000
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375
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376 /* open mode flags */
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377 #define CYG_HAL_SYS_S_IRUSR 0400
202
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378 #define CYG_HAL_SYS_S_IREAD CYG_HAL_SYS_S_IRUSR
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379 #define CYG_HAL_SYS_S_IWUSR 0200
202
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380 #define CYG_HAL_SYS_S_IWRITE CYG_HAL_SYS_S_IWUSR
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381 #define CYG_HAL_SYS_S_IXUSR 0100
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382 #define CYG_HAL_SYS_S_IEXEC CYG_HAL_SYS_S_IXUSR
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383 #define CYG_HAL_SYS_S_IRWXU \
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384 (CYG_HAL_SYS_S_IREAD|CYG_HAL_SYS_S_IWRITE|CYG_HAL_SYS_S_IEXEC)
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385 #define CYG_HAL_SYS_S_IRWXG (CYG_HAL_SYS_S_IRWXU>>3)
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386 #define CYG_HAL_SYS_S_IRGRP (CYG_HAL_SYS_S_IRUSR>>3)
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387 #define CYG_HAL_SYS_S_IWGRP (CYG_HAL_SYS_S_IWUSR>>3)
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388 #define CYG_HAL_SYS_S_IXGRP (CYG_HAL_SYS_S_IXUSR>>3)
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389 #define CYG_HAL_SYS_S_IRWXO (CYG_HAL_SYS_S_IRWXG>>3)
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390 #define CYG_HAL_SYS_S_IROTH (CYG_HAL_SYS_S_IRGRP>>3)
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391 #define CYG_HAL_SYS_S_IWOTH (CYG_HAL_SYS_S_IWGRP>>3)
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392 #define CYG_HAL_SYS_S_IXOTH (CYG_HAL_SYS_S_IXGRP>>3)
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393
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394 /* stat flags */
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395 #define CYG_HAL_SYS_S_IFMT 0170000 /*bitmask for the file type bitfields*/
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396 #define CYG_HAL_SYS_S_IFSOCK 0140000 /*socket*/
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397 #define CYG_HAL_SYS_S_IFLNK 0120000 /*symbolic link*/
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398 #define CYG_HAL_SYS_S_IFREG 0100000 /*regular file*/
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399 #define CYG_HAL_SYS_S_IFBLK 0060000 /*block device*/
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400 #define CYG_HAL_SYS_S_IFDIR 0040000 /*directory*/
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401 #define CYG_HAL_SYS_S_IFCHR 0020000 /*character device*/
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402 #define CYG_HAL_SYS_S_IFIFO 0010000 /*fifo*/
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403 #define CYG_HAL_SYS_S_ISUID 0004000 /*set UID bit*/
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404 #define CYG_HAL_SYS_S_ISGID 0002000 /*set GID bit (see below)*/
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405 #define CYG_HAL_SYS_S_ISVTX 0001000 /*sticky bit (see below)*/
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406
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407 struct cyg_hal_sys_mmap_args {
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408 unsigned long addr;
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409 unsigned long len;
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410 unsigned long prot;
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411 unsigned long flags;
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412 unsigned long fd;
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413 unsigned long offset;
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414 };
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415
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416 /* Protection flags for mmap */
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417 #define CYG_HAL_SYS_PROT_READ 0x1 /* page can be read */
353a011b23b8 Merge from eCos master repository on 2002-01-11-06:43:03-GMT
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parents: 199
diff changeset
418 #define CYG_HAL_SYS_PROT_WRITE 0x2 /* page can be written */
353a011b23b8 Merge from eCos master repository on 2002-01-11-06:43:03-GMT
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parents: 199
diff changeset
419 #define CYG_HAL_SYS_PROT_EXEC 0x4 /* page can be executed */
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parents: 199
diff changeset
420 #define CYG_HAL_SYS_PROT_NONE 0x0 /* page can not be accessed */
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parents: 199
diff changeset
421
353a011b23b8 Merge from eCos master repository on 2002-01-11-06:43:03-GMT
jlarmour
parents: 199
diff changeset
422 /* Sharing types and other flags */
353a011b23b8 Merge from eCos master repository on 2002-01-11-06:43:03-GMT
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parents: 199
diff changeset
423 #define CYG_HAL_SYS_MAP_SHARED 0x01 /* Share changes. */
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parents: 199
diff changeset
424 #define CYG_HAL_SYS_MAP_PRIVATE 0x02 /* Changes are private. */
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parents: 199
diff changeset
425 #define CYG_HAL_SYS_MAP_FIXED 0x10 /* Interpret addr exactly. */
161
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
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parents:
diff changeset
426
1676
0f42ca5f04a9 * include/hal_io.h:
asl
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diff changeset
427 struct cyg_hal_sys_dirent
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
428 {
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
429 unsigned long d_ino;
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
430 unsigned long d_off;
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
431 unsigned short int d_reclen;
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
432 char d_name[256];
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
433 };
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
434
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
435 struct cyg_hal_sys_timespec
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
436 {
0f42ca5f04a9 * include/hal_io.h:
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parents: 1671
diff changeset
437 unsigned int tv_sec;
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
438 unsigned int tv_nsec;
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
439 };
0f42ca5f04a9 * include/hal_io.h:
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diff changeset
440
0f42ca5f04a9 * include/hal_io.h:
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diff changeset
441 struct cyg_hal_sys_stat
0f42ca5f04a9 * include/hal_io.h:
asl
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diff changeset
442 {
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
443 unsigned int dev; /* inode */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
444 unsigned long ino; /* device */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
445 unsigned short mode; /* protection */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
446 unsigned short nlink; /* number of hard links */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
447 unsigned short uid; /* user ID of owner */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
448 unsigned short gid; /* group ID of owner */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
449 unsigned long rdev; /* device type (if inode device) */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
450 unsigned long size; /* total size, in bytes */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
451 unsigned int blksize; /* blocksize for filesystem I/O */
0f42ca5f04a9 * include/hal_io.h:
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parents: 1671
diff changeset
452 unsigned int blocks; /* number of blocks allocated */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
453 struct cyg_hal_sys_timespec atime; /* time of last access */
0f42ca5f04a9 * include/hal_io.h:
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parents: 1671
diff changeset
454 struct cyg_hal_sys_timespec mtime; /* time of last modification */
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
455 struct cyg_hal_sys_timespec ctime; /* time of last change */
0f42ca5f04a9 * include/hal_io.h:
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parents: 1671
diff changeset
456 };
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
457
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
458 // System calls, or rather the subset that is needed internally or by
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
459 // applications which want to access the host OS.
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
460
161
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parents:
diff changeset
461 externC unsigned long cyg_hal_sys_write(int, const void*, long);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
462 externC unsigned long cyg_hal_sys_read(int, void*, long);
202
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jlarmour
parents: 199
diff changeset
463 externC int cyg_hal_sys_lseek(int, int, int);
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jlarmour
parents: 199
diff changeset
464 externC int cyg_hal_sys_open(const char *,int,int);
161
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jlarmour
parents:
diff changeset
465 externC int cyg_hal_sys_fdatasync(int);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
466 externC int cyg_hal_sys_sigaction(int,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
467 const struct cyg_hal_sys_sigaction*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
468 struct cyg_hal_sys_sigaction*);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
469 externC int cyg_hal_sys_sigprocmask(int,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
470 const cyg_hal_sys_sigset_t*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
471 cyg_hal_sys_sigset_t*);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
472 externC int cyg_hal_sys__newselect(int,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
473 struct cyg_hal_sys_fd_set*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
474 struct cyg_hal_sys_fd_set*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
475 struct cyg_hal_sys_fd_set*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
476 struct cyg_hal_sys_timeval*);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
477 externC int cyg_hal_sys_setitimer(int,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
478 const struct cyg_hal_sys_itimerval*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
479 struct cyg_hal_sys_itimerval*);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
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parents:
diff changeset
480 externC int cyg_hal_sys_gettimeofday(struct cyg_hal_sys_timeval*,
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
481 struct cyg_hal_sys_timezone*);
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
482
332
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bartv
parents: 260
diff changeset
483 externC int cyg_hal_sys_access(const char*, int);
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
484 externC int cyg_hal_sys_fork(void);
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
485 externC int cyg_hal_sys_execve(const char*, const char* [], const char* []);
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
486 externC int cyg_hal_sys_pipe(int []);
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
487 externC int cyg_hal_sys_close(int);
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
488 externC int cyg_hal_sys_dup2(int, int);
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
489
1862
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
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diff changeset
490 #define CYG_HAL_SYS_IPCOP_semop 1
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
491 #define CYG_HAL_SYS_IPCOP_semget 2
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
492 #define CYG_HAL_SYS_IPCOP_semctl 3
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
493 #define CYG_HAL_SYS_IPCOP_msgsnd 11
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
494 #define CYG_HAL_SYS_IPCOP_msgrcv 12
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
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diff changeset
495 #define CYG_HAL_SYS_IPCOP_msgget 13
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
496 #define CYG_HAL_SYS_IPCOP_msgctl 14
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
497 #define CYG_HAL_SYS_IPCOP_shmat 21
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
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diff changeset
498 #define CYG_HAL_SYS_IPCOP_shmdt 22
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
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diff changeset
499 #define CYG_HAL_SYS_IPCOP_shmget 23
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
500 #define CYG_HAL_SYS_IPCOP_shmctl 24
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
501
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
502 /*The ipc system call, which is used by the following shmem
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
503 functions. These may be unportable*/
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
504
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
505 // Generic system call. Depending on the value of call, it will
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
506 // perform the following functions.
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
507 externC int cyg_hal_sys_ipc(int call, int first, int second,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
508 int third, void* ptr);
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
509 //get an identifier for a shared memory segment
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
510 externC int cyg_hal_sys_shmget (int key, int size, int shmflg);
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
511 //attach to an shared memory segment
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
512 externC void * cyg_hal_sys_shmat (int shmid, const void* shmaddr,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
513 int shmflg);
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
514 //detach from it again
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
515 externC int cyg_hal_sys_shmdt (const void* shmaddr);
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
516
161
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
517 // The actual implementation appears to return the new brk() value.
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
518 externC void* cyg_hal_sys_brk(void*);
199
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 161
diff changeset
519
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 161
diff changeset
520 // Returns the number of characters placed in the buffer or <0 for error,
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 161
diff changeset
521 // not a char*.
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 161
diff changeset
522 externC int cyg_hal_sys_getcwd(char*, int);
202
353a011b23b8 Merge from eCos master repository on 2002-01-11-06:43:03-GMT
jlarmour
parents: 199
diff changeset
523
1862
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
524 // mmap on the "host" system - this may be unportable. This is the
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
525 // really system call into the kernel which passes one structure
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
526 // containing all the arguments.
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
527 externC int cyg_hal_sys_mmapx(struct cyg_hal_sys_mmap_args *);
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
528
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
529 // This is the mmap call that users are used to.
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
530 externC int cyg_hal_sys_mmap(void *addr,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
531 unsigned long length,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
532 unsigned long prot,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
533 unsigned long flags,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
534 unsigned long fd,
d27de7fdbf21 * include/hal_io.h: Add cyg_hal_sys_shmget(), cyg_hal_sys_shmat()
asl
parents: 1698
diff changeset
535 unsigned long off);
202
353a011b23b8 Merge from eCos master repository on 2002-01-11-06:43:03-GMT
jlarmour
parents: 199
diff changeset
536
1676
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
537 externC int cyg_hal_sys_readdir(unsigned int fd,
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
538 struct cyg_hal_sys_dirent *dp,
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
539 unsigned int count);
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
540 externC int cyg_hal_sys_lstat(const char* name, struct cyg_hal_sys_stat *buf);
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
541 externC int cyg_hal_sys_fstat(int fd, struct cyg_hal_sys_stat *buf);
1698
9a9ce858560e * include/hal_io.h: Add cyg_hal_sys_mkdir() system call
asl
parents: 1676
diff changeset
542 externC int cyg_hal_sys_mkdir(const char* path, int mode);
1676
0f42ca5f04a9 * include/hal_io.h:
asl
parents: 1671
diff changeset
543
260
922ca26d90c4 Add variables cyg_hal_sys_argc/argv/environ, corresponding to the
bartv
parents: 210
diff changeset
544 // Access to environmental data
922ca26d90c4 Add variables cyg_hal_sys_argc/argv/environ, corresponding to the
bartv
parents: 210
diff changeset
545 extern int cyg_hal_sys_argc;
922ca26d90c4 Add variables cyg_hal_sys_argc/argv/environ, corresponding to the
bartv
parents: 210
diff changeset
546 extern const char** cyg_hal_sys_argv;
922ca26d90c4 Add variables cyg_hal_sys_argc/argv/environ, corresponding to the
bartv
parents: 210
diff changeset
547 extern const char** cyg_hal_sys_environ;
922ca26d90c4 Add variables cyg_hal_sys_argc/argv/environ, corresponding to the
bartv
parents: 210
diff changeset
548
161
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
549 // ----------------------------------------------------------------------------
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents:
diff changeset
550 // Interaction between the application and the auxiliary.
332
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
551
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
552 // Is the auxiliary actually in use/available? This flag should be tested by
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
553 // device drivers prior to attempting any communication with the auxiliary.
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
554 extern cyg_bool synth_auxiliary_running;
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
parents: 260
diff changeset
555
7c1c8dc43ba1 Now witness the firepower of this fully armed and operational
bartv
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556 // The fundamental I/O operation: sending a request to the auxiliary and
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557 // optionally getting back a reply. A null pointer for the response field
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558 // indicates that no reply is expected.
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559 externC void synth_auxiliary_xchgmsg(int /* devid */, int /* request */,
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560 int /* arg1 */, int /* arg2 */,
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561 const unsigned char* /* txdata */, int /* txlen */,
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562 int* /* response */,
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563 unsigned char* /* rxdata */, int* /* actual_rxlen */,
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564 int /* rxlen */);
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565
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566 // Request that the auxiliary instantiates a given device, loading appropriate
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567 // support code as required. This function takes the following arguments:
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568 // 1) the location of the package that should provide this device, e.g.
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569 // devs/eth/synth
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570 // 2) the version of that package currently being used, e.g. "current"
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571 // 3) the name of the device, e.g. "ethernet". This identifies the
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572 // Tcl script that should be loaded to handle requests for this device.
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573 // 4) the name of the device instance, e.g. "eth0".
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574 // 5) device-specific initialization data.
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575 externC int synth_auxiliary_instantiate(const char*, const char*, const char*, const char*, const char*);
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576
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577 // Support for generating strings
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578 #define SYNTH_MAKESTRING1(a) #a
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579 #define SYNTH_MAKESTRING(a) SYNTH_MAKESTRING1(a)
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580
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581 //-----------------------------------------------------------------------------
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582 #endif // ifndef CYGONCE_HAL_HAL_IO_H
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583 // End of hal_io.h