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, 2011-2012 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 StoreAndDisplayNumberOfControllers
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46 |
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47 | pop ds
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48 | pop es
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49 | ret
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50 |
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51 |
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52 | ;--------------------------------------------------------------------
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53 | ; ResetIdevarsToDefaultValues
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54 | ; Parameters:
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55 | ; DS:DI: Ptr to ROMVARS
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56 | ; Returns:
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57 | ; Nothing
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58 | ; Corrupts registers:
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59 | ; AX, CX
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60 | ;--------------------------------------------------------------------
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61 | ALIGN JUMP_ALIGN
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62 | ResetIdevarsToDefaultValues:
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63 | push di
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64 | add di, BYTE ROMVARS.ideVarsBegin
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65 | mov cx, ROMVARS.ideVarsEnd - ROMVARS.ideVarsBegin
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66 | call Memory_ZeroESDIwithSizeInCX ; Never clears ROMVARS.ideVarsSerialAuto
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67 | pop di
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68 |
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69 | ; Set default values (other than zero)
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70 | mov ax, DISABLE_WRITE_CACHE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION) | FLG_DRVPARAMS_BLOCKMODE
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71 | mov [di+ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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72 | mov [di+ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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73 |
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74 | mov [di+ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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75 | mov [di+ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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76 |
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77 | mov [di+ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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78 | mov [di+ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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79 |
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80 | mov [di+ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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81 | mov [di+ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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82 | ret
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83 |
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84 |
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85 | ;--------------------------------------------------------------------
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86 | ; DetectIdePortsAndDevices
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87 | ; Parameters:
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88 | ; DS:DI: Ptr to ROMVARS
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89 | ; Returns:
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90 | ; CX: Number of controllers detected
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91 | ; Corrupts registers:
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92 | ; AX, BX, DX, SI
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93 | ;--------------------------------------------------------------------
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94 | ALIGN JUMP_ALIGN
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95 | DetectIdePortsAndDevices:
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96 | xor cx, cx ; Number of devices found
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97 | xor dx, dx ; IDE_PORT_TO_START_DETECTION
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98 | lea si, [di+ROMVARS.ideVarsBegin] ; DS:SI points to first IDEVARS
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99 |
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100 | .DetectFromNextPort:
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101 | call IdeAutodetect_IncrementDXtoNextIdeBasePort
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102 | jz SHORT .AllPortsAlreadyDetected
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103 | push si
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104 | call IdeAutodetect_DetectIdeDeviceFromPortDXAndReturnControlBlockInSI
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105 | mov bx, si
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106 | pop si
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107 | jc SHORT .DetectFromNextPort
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108 |
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109 | ; Device found from port DX, Device Type returned in AL
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110 | inc cx ; Increment number of controllers found
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111 | mov [si+IDEVARS.wBasePort], dx
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112 | mov [si+IDEVARS.wControlBlockPort], bx
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113 | mov [si+IDEVARS.bDevice], al
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114 |
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115 | ; Point to next IDEVARS
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116 | cmp si, ROMVARS.ideVars3
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117 | jae SHORT .AllPortsAlreadyDetected
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118 | add si, IDEVARS_size
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119 | jmp 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 | ; StoreAndDisplayNumberOfControllers
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126 | ; Parameters:
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127 | ; CX: Number of controllers detected
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128 | ; DS:DI: Ptr to ROMVARS
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129 | ; SS:BP: Ptr to MENU
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130 | ; Returns:
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131 | ; Nothing
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132 | ; Corrupts registers:
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133 | ; AX, BX, DX, DI, SI, DS, ES
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134 | ;--------------------------------------------------------------------
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135 | ALIGN JUMP_ALIGN
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136 | StoreAndDisplayNumberOfControllers:
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137 | mov ax, 1
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138 | MAX_U al, cl ; Cannot store zero
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139 | test BYTE [di+ROMVARS.wFlags], FLG_ROMVARS_FULLMODE
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140 | jnz SHORT .FullModeSoNoNeedToLimit
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141 | MIN_U al, MAX_LITE_MODE_CONTROLLERS
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142 | .FullModeSoNoNeedToLimit:
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143 |
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144 | ; Store number of IDE Controllers. This will also modify
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145 | ; menu and set unsaved changes flag.
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146 | push cs
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147 | pop ds
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148 | mov si, g_MenuitemConfigurationIdeControllers
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149 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
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150 |
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151 | ; Display results (should be changed to proper string formatting)
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152 | add cl, '0'
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153 | mov [cs:g_bControllersDetected], cl
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154 | mov dx, g_szDlgAutoConfigure
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155 | jmp Dialogs_DisplayNotificationFromCSDX
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