1 | //====================================================================== |
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2 | // |
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3 | // Project: XTIDE Universal BIOS, Serial Port Server |
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4 | // |
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5 | // File: image.cpp - Abstract base class for disk image support |
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6 | // |
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7 | |
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8 | #include "library.h" |
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9 | #include <memory.h> |
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10 | #include <stdlib.h> |
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11 | #include <string.h> |
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12 | |
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13 | Image::Image( char *name, int p_readOnly, int p_drive ) |
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14 | { |
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15 | init( name, p_readOnly, p_drive ); |
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16 | } |
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17 | |
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18 | Image::Image( char *name, int p_readOnly, int p_drive, int p_create, unsigned long p_lba ) |
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19 | { |
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20 | init( name, p_readOnly, p_drive ); |
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21 | } |
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22 | |
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23 | Image::Image( char *name, int p_readOnly, int p_drive, int p_create, unsigned long p_cyl, unsigned long p_sect, unsigned long p_head ) |
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24 | { |
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25 | init( name, p_readOnly, p_drive ); |
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26 | } |
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27 | |
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28 | void Image::init( char *name, int p_readOnly, int p_drive ) |
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29 | { |
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30 | for( char *c = shortFileName = name; *c; c++ ) |
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31 | if( *c == '\\' || *c == '/' || *c == ':' ) |
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32 | shortFileName = c+1; |
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33 | |
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34 | if( *(shortFileName) == 0 ) |
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35 | { |
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36 | log( 1, "Can't parse '%s' for short file name\n\n", name ); |
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37 | shortFileName = "SerDrive"; |
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38 | } |
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39 | |
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40 | readOnly = p_readOnly; |
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41 | drive = p_drive; |
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42 | } |
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43 | |
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44 | int Image::parseGeometry( char *str, unsigned long *p_cyl, unsigned long *p_sect, unsigned long *p_head ) |
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45 | { |
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46 | char *c, *s, *h; |
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47 | unsigned long cyl, sect, head; |
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48 | |
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49 | c = str; |
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50 | for( s = c; *s && *s != ':' && *s != 'x' && *s != 'X'; s++ ) ; |
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51 | if( !*s ) |
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52 | return( 0 ); |
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53 | |
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54 | *s = '\0'; |
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55 | s++; |
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56 | for( h = s+1; *h && *h != ':' && *h != 'x' && *h != 'X'; h++ ) ; |
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57 | if( !*h ) |
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58 | return( 0 ); |
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59 | |
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60 | *h = '\0'; |
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61 | h++; |
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62 | |
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63 | cyl = atol(c); |
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64 | sect = atol(s); |
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65 | head = atol(h); |
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66 | |
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67 | if( cyl == 0 || sect == 0 || head == 0 ) |
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68 | return( 0 ); |
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69 | |
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70 | *p_cyl = cyl; |
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71 | *p_sect = sect; |
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72 | *p_head = head; |
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73 | |
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74 | return( 1 ); |
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75 | } |
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76 | |
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77 | #define ATA_wGenCfg 0 |
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78 | #define ATA_wCylCnt 1 |
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79 | #define ATA_wHeadCnt 3 |
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80 | #define ATA_wBpTrck 4 |
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81 | #define ATA_wBpSect 5 |
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82 | #define ATA_wSPT 6 |
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83 | #define ATA_strSerial 10 |
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84 | #define ATA_strFirmware 23 |
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85 | #define ATA_strModel 27 |
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86 | #define ATA_wCaps 49 |
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87 | #define ATA_wCurCyls 54 |
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88 | #define ATA_wCurHeads 55 |
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89 | #define ATA_wCurSPT 56 |
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90 | #define ATA_dwCurSCnt 57 |
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91 | #define ATA_dwLBACnt 60 |
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92 | |
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93 | #define ATA_VendorSpecific_ReturnPortBaud 158 |
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94 | |
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95 | #define ATA_wCaps_LBA 0x200 |
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96 | |
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97 | #define ATA_wGenCfg_FIXED 0x40 |
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98 | |
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99 | struct comPorts { |
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100 | unsigned long port; |
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101 | unsigned char com; |
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102 | }; |
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103 | struct comPorts supportedComPorts[] = |
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104 | { |
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105 | { 0x3f8, '1' }, |
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106 | { 0x2f8, '2' }, |
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107 | { 0x3e8, '3' }, |
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108 | { 0x2e8, '4' }, |
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109 | { 0x2f0, '5' }, |
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110 | { 0x3e0, '6' }, |
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111 | { 0x2e0, '7' }, |
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112 | { 0x260, '8' }, |
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113 | { 0x368, '9' }, |
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114 | { 0x268, 'A' }, |
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115 | { 0x360, 'B' }, |
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116 | { 0x270, 'C' }, |
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117 | { 0, 0 } |
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118 | }; |
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119 | |
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120 | void Image::respondInquire( unsigned short *buff, struct baudRate *baudRate, unsigned char portAndBaud ) |
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121 | { |
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122 | unsigned short comPort = 0; |
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123 | struct comPorts *cp; |
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124 | |
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125 | if( portAndBaud ) |
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126 | { |
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127 | for( cp = supportedComPorts; cp->port && cp->port != ((portAndBaud << 3) + 0x260); cp++ ) ; |
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128 | if( cp->port ) |
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129 | comPort = cp->com; |
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130 | } |
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131 | |
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132 | memset( &buff[0], 0, 514 ); |
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133 | |
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134 | if( comPort ) |
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135 | sprintf( (char *) &buff[ATA_strModel], "%.20s (COM%d/%s)", shortFileName, comPort, baudRate->display ); |
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136 | else |
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137 | sprintf( (char *) &buff[ATA_strModel], "%.30s (%s baud)", shortFileName, baudRate->display ); |
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138 | |
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139 | // strncpy( (char *) &buff[ATA_strModel], img->shortFileName, 40 ); |
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140 | |
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141 | strncpy( (char *) &buff[ATA_strSerial], "serial", 20 ); |
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142 | strncpy( (char *) &buff[ATA_strFirmware], "firmw", 8 ); |
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143 | |
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144 | for( int t = ATA_strModel; t < ATA_strModel+40; t++ ) |
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145 | buff[t] = (buff[t] >> 8) | (buff[t] << 8); |
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146 | |
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147 | #if 1 |
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148 | buff[ ATA_wCylCnt ] = cyl; |
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149 | buff[ ATA_wHeadCnt ] = head; |
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150 | buff[ ATA_wSPT ] = sect; |
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151 | #endif |
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152 | buff[ ATA_wGenCfg ] = ATA_wGenCfg_FIXED; |
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153 | // buff[ ATA_VendorSpecific_ReturnPortBaud ] = retWord; |
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154 | #if 0 |
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155 | buff[ ATA_wCaps ] = ATA_wCaps_LBA; |
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156 | |
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157 | buff[ ATA_dwLBACnt ] = (unsigned short) (totallba & 0xffff); |
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158 | buff[ ATA_dwLBACnt+1 ] = (unsigned short) (totallba >> 16); |
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159 | #endif |
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160 | } |
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