1 | ; Project name : XTIDE Universal BIOS Configurator v2 |
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2 | ; Description : Functions to automatically configure XTIDE |
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3 | ; Universal BIOS for current system. |
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4 | |
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5 | ; |
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6 | ; XTIDE Universal BIOS and Associated Tools |
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7 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
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8 | ; |
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9 | ; This program is free software; you can redistribute it and/or modify |
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10 | ; it under the terms of the GNU General Public License as published by |
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11 | ; the Free Software Foundation; either version 2 of the License, or |
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12 | ; (at your option) any later version. |
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13 | ; |
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14 | ; This program is distributed in the hope that it will be useful, |
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15 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | ; GNU General Public License for more details. |
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18 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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19 | ; |
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20 | |
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21 | ; Section containing code |
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22 | SECTION .text |
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23 | |
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24 | |
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25 | ;-------------------------------------------------------------------- |
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26 | ; AutoConfigure_ForThisSystem |
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27 | ; MENUITEM activation function (.fnActivate) |
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28 | ; Parameters: |
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29 | ; SS:BP: Ptr to MENU |
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30 | ; Returns: |
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31 | ; Nothing |
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32 | ; Corrupts registers: |
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33 | ; All, except segments |
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34 | ;-------------------------------------------------------------------- |
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35 | ALIGN JUMP_ALIGN |
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36 | AutoConfigure_ForThisSystem: |
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37 | push es |
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38 | push ds |
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39 | |
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40 | call Buffers_GetFileBufferToESDI ; ROMVARS now in ES:DI |
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41 | push es |
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42 | pop ds ; ROMVARS now in DS:DI |
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43 | call ResetIdevarsToDefaultValues |
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44 | call DetectIdePortsAndDevices |
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45 | call EnableInterruptsForPrimaryAndSecondaryControllers |
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46 | call StoreAndDisplayNumberOfControllers |
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47 | |
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48 | pop ds |
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49 | pop es |
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50 | ret |
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51 | |
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52 | |
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53 | ;-------------------------------------------------------------------- |
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54 | ; ResetIdevarsToDefaultValues |
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55 | ; Parameters: |
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56 | ; DS:DI: Ptr to ROMVARS |
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57 | ; Returns: |
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58 | ; Nothing |
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59 | ; Corrupts registers: |
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60 | ; AX, CX |
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61 | ;-------------------------------------------------------------------- |
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62 | ALIGN JUMP_ALIGN |
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63 | ResetIdevarsToDefaultValues: |
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64 | push di |
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65 | add di, BYTE ROMVARS.ideVarsBegin |
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66 | mov cx, ROMVARS.ideVarsEnd - ROMVARS.ideVarsBegin |
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67 | call Memory_ZeroESDIwithSizeInCX ; Never clears ROMVARS.ideVarsSerialAuto |
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68 | pop di |
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69 | |
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70 | ; Set default values (other than zero) |
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71 | mov ax, DISABLE_WRITE_CACHE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION) | FLG_DRVPARAMS_BLOCKMODE |
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72 | mov [di+ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax |
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73 | mov [di+ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax |
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74 | |
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75 | mov [di+ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax |
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76 | mov [di+ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax |
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77 | |
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78 | mov [di+ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax |
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79 | mov [di+ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax |
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80 | |
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81 | mov [di+ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax |
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82 | mov [di+ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax |
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83 | ret |
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84 | |
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85 | |
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86 | ;-------------------------------------------------------------------- |
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87 | ; DetectIdePortsAndDevices |
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88 | ; Parameters: |
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89 | ; DS:DI: Ptr to ROMVARS |
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90 | ; Returns: |
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91 | ; CX: Number of controllers detected |
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92 | ; Corrupts registers: |
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93 | ; AX, BX, DX, SI |
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94 | ;-------------------------------------------------------------------- |
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95 | ALIGN JUMP_ALIGN |
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96 | DetectIdePortsAndDevices: |
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97 | xor cx, cx ; Number of devices found |
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98 | xor dx, dx ; IDE_PORT_TO_START_DETECTION |
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99 | lea si, [di+ROMVARS.ideVarsBegin] ; DS:SI points to first IDEVARS |
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100 | |
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101 | .DetectFromNextPort: |
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102 | call IdeAutodetect_IncrementDXtoNextIdeBasePort |
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103 | jz SHORT .AllPortsAlreadyDetected |
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104 | push si |
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105 | call IdeAutodetect_DetectIdeDeviceFromPortDXAndReturnControlBlockInSI |
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106 | mov bx, si |
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107 | pop si |
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108 | jc SHORT .DetectFromNextPort |
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109 | |
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110 | ; Device found from port DX, Device Type returned in AL |
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111 | inc cx ; Increment number of controllers found |
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112 | mov [si+IDEVARS.wBasePort], dx |
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113 | mov [si+IDEVARS.wControlBlockPort], bx |
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114 | mov [si+IDEVARS.bDevice], al |
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115 | |
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116 | ; Point to next IDEVARS |
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117 | add si, IDEVARS_size |
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118 | cmp si, ROMVARS.ideVars3 |
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119 | jbe SHORT .DetectFromNextPort |
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120 | .AllPortsAlreadyDetected: |
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121 | ret |
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122 | |
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123 | |
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124 | ;-------------------------------------------------------------------- |
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125 | ; EnableInterruptsForPrimaryAndSecondaryControllers |
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126 | ; Parameters: |
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127 | ; DS:DI: Ptr to ROMVARS |
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128 | ; CX: Number of controllers detected |
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129 | ; Returns: |
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130 | ; Nothing |
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131 | ; Corrupts registers: |
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132 | ; AX, ES |
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133 | ;-------------------------------------------------------------------- |
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134 | ALIGN JUMP_ALIGN |
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135 | EnableInterruptsForPrimaryAndSecondaryControllers: |
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136 | jcxz .NoControllersDetected |
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137 | call Buffers_IsXTbuildLoaded |
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138 | je SHORT .DoNotEnableIRQforXTbuilds |
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139 | push di |
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140 | push cx |
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141 | |
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142 | add di, BYTE ROMVARS.ideVars0 ; DS:DI now points first IDEVARS |
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143 | .CheckNextController: |
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144 | mov al, 14 |
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145 | cmp WORD [di+IDEVARS.wBasePort], DEVICE_ATA_PRIMARY_PORT |
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146 | je SHORT .EnableIrqAL |
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147 | |
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148 | inc ax ; 15 |
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149 | cmp WORD [di+IDEVARS.wBasePort], DEVICE_ATA_SECONDARY_PORT |
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150 | jne SHORT .DoNotEnableIRQ |
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151 | |
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152 | .EnableIrqAL: |
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153 | mov [di+IDEVARS.bIRQ], al |
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154 | .DoNotEnableIRQ: |
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155 | loop .CheckNextController |
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156 | pop cx |
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157 | pop di |
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158 | .DoNotEnableIRQforXTbuilds: |
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159 | .NoControllersDetected: |
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160 | ret |
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161 | |
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162 | |
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163 | ;-------------------------------------------------------------------- |
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164 | ; StoreAndDisplayNumberOfControllers |
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165 | ; Parameters: |
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166 | ; CX: Number of controllers detected |
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167 | ; DS:DI: Ptr to ROMVARS |
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168 | ; SS:BP: Ptr to MENU |
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169 | ; Returns: |
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170 | ; Nothing |
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171 | ; Corrupts registers: |
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172 | ; AX, BX, DX, DI, SI, DS, ES |
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173 | ;-------------------------------------------------------------------- |
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174 | ALIGN JUMP_ALIGN |
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175 | StoreAndDisplayNumberOfControllers: |
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176 | xor ax, ax |
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177 | or al, cl |
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178 | jnz SHORT .AtLeastOneController |
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179 | inc ax ; Cannot store zero |
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180 | .AtLeastOneController: |
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181 | test BYTE [di+ROMVARS.wFlags], FLG_ROMVARS_FULLMODE |
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182 | jnz SHORT .FullModeSoNoNeedToLimit |
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183 | MIN_U al, MAX_LITE_MODE_CONTROLLERS |
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184 | .FullModeSoNoNeedToLimit: |
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185 | |
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186 | ; Store number of IDE Controllers. This will also modify |
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187 | ; menu and set unsaved changes flag. |
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188 | push cs |
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189 | pop ds |
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190 | mov si, g_MenuitemConfigurationIdeControllers |
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191 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI |
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192 | |
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193 | ; Display results (should be changed to proper string formatting) |
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194 | add cl, '0' |
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195 | mov [cs:g_bControllersDetected], cl |
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196 | mov dx, g_szDlgAutoConfigure |
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197 | jmp Dialogs_DisplayNotificationFromCSDX |
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