1 | ; Project name : BIOS Drive Information Tool |
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2 | ; Description : BIOS Drive Information Tool reads and displays |
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3 | ; drive information from BIOS. |
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4 | |
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5 | ; Include .inc files |
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6 | %define INCLUDE_DISPLAY_LIBRARY |
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7 | %define INCLUDE_KEYBOARD_LIBRARY |
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8 | %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first! |
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9 | %include "ATA_ID.inc" |
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10 | %include "Int13h.inc" |
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11 | %include "EBIOS.inc" |
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12 | |
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13 | |
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14 | ; Section containing code |
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15 | SECTION .text |
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16 | |
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17 | ; Program first instruction. |
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18 | ORG 100h ; Code starts at offset 100h (DOS .COM) |
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19 | Start: |
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20 | jmp StartBiosDriveInformationTool |
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21 | |
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22 | ; Include library and other sources |
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23 | %include "AssemblyLibrary.asm" |
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24 | %include "Strings.asm" |
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25 | %include "Bios.asm" |
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26 | %include "Print.asm" |
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27 | |
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28 | |
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29 | ;-------------------------------------------------------------------- |
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30 | ; Program start |
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31 | ;-------------------------------------------------------------------- |
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32 | ALIGN JUMP_ALIGN |
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33 | StartBiosDriveInformationTool: |
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34 | CALL_DISPLAY_LIBRARY InitializeDisplayContext |
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35 | mov bl, ATTRIBUTES_NOT_USED |
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36 | mov ax, Print_DosCharOut |
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37 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL |
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38 | |
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39 | mov si, g_szProgramName |
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40 | call Print_NullTerminatedStringFromSI |
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41 | |
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42 | call ReadAndDisplayAllHardDrives |
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43 | |
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44 | ; Exit to DOS |
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45 | mov ax, 4C00h ; Exit to DOS |
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46 | int 21h |
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47 | |
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48 | |
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49 | |
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50 | ReadAndDisplayAllHardDrives: |
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51 | call Bios_GetNumberOfHardDrivesToDX |
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52 | jc SHORT .NoDrivesAvailable |
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53 | mov cx, dx |
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54 | mov dl, 80h ; First hard drive |
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55 | jmp SHORT .DisplayFirstDrive |
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56 | |
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57 | ALIGN JUMP_ALIGN |
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58 | .DisplayNextDriveFromDL: |
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59 | mov si, g_szPressAnyKey |
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60 | call Print_NullTerminatedStringFromSI |
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61 | call Keyboard_GetKeystrokeToAXandWaitIfNecessary |
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62 | .DisplayFirstDrive: |
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63 | mov si, g_szHeaderDrive |
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64 | call Print_DriveNumberFromDLusingFormatStringInSI |
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65 | |
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66 | mov si, g_szAtaInfoHeader |
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67 | call Print_NullTerminatedStringFromSI |
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68 | call DisplayAtaInformationForDriveDL |
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69 | |
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70 | mov si, g_szOldInfoHeader |
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71 | call Print_NullTerminatedStringFromSI |
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72 | call DisplayOldInt13hInformationForDriveDL |
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73 | |
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74 | mov si, g_szNewInfoHeader |
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75 | call Print_NullTerminatedStringFromSI |
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76 | call DisplayNewInt13hInformationFromDriveDL |
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77 | |
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78 | inc dx |
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79 | loop .DisplayNextDriveFromDL |
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80 | .NoDrivesAvailable: |
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81 | ret |
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82 | |
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83 | |
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84 | ALIGN JUMP_ALIGN |
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85 | DisplayAtaInformationForDriveDL: |
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86 | push cx |
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87 | push dx |
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88 | |
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89 | call Bios_ReadAtaInfoFromDriveDLtoBX |
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90 | call Print_ErrorMessageFromAHifError |
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91 | jc SHORT .SkipAtaInfoSinceError |
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92 | |
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93 | call Print_NameFromAtaInfoInBX |
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94 | |
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95 | mov cx, [bx+ATA1.wCylCnt] |
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96 | mov dx, [bx+ATA1.wHeadCnt] |
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97 | mov ax, [bx+ATA1.wSPT] |
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98 | call Print_CHSfromCXDXAX |
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99 | |
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100 | test WORD [bx+ATA1.wFields], A1_wFields_54to58 |
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101 | jz SHORT .SkipChsSectors |
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102 | mov si, g_szChsSectors |
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103 | call Print_NullTerminatedStringFromSI |
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104 | mov si, bx |
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105 | mov ax, [si+ATA1.dwCurSCnt] |
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106 | mov dx, [si+ATA1.dwCurSCnt+2] |
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107 | xor bx, bx |
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108 | call Print_TotalSectorsFromBXDXAX |
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109 | mov bx, si |
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110 | .SkipChsSectors: |
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111 | |
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112 | test WORD [bx+ATA1.wCaps], A1_wCaps_LBA |
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113 | jz SHORT .SkipLBA28 |
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114 | mov si, g_szLBA28 |
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115 | call Print_NullTerminatedStringFromSI |
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116 | mov si, bx |
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117 | mov ax, [si+ATA1.dwLBACnt] |
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118 | mov dx, [si+ATA1.dwLBACnt+2] |
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119 | xor bx, bx |
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120 | call Print_TotalSectorsFromBXDXAX |
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121 | mov bx, si |
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122 | .SkipLBA28: |
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123 | |
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124 | test WORD [bx+ATA6.wSetSup83], A6_wSetSup83_LBA48 |
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125 | jz SHORT .SkipLBA48 |
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126 | mov si, g_szLBA48 |
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127 | call Print_NullTerminatedStringFromSI |
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128 | mov ax, [bx+ATA6.qwLBACnt] |
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129 | mov dx, [bx+ATA6.qwLBACnt+2] |
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130 | mov bx, [bx+ATA6.qwLBACnt+4] |
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131 | call Print_TotalSectorsFromBXDXAX |
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132 | .SkipLBA48: |
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133 | .SkipAtaInfoSinceError: |
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134 | pop dx |
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135 | pop cx |
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136 | ret |
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137 | |
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138 | |
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139 | ALIGN JUMP_ALIGN |
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140 | DisplayOldInt13hInformationForDriveDL: |
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141 | push cx |
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142 | push dx |
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143 | |
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144 | call Bios_ReadOldInt13hParametersFromDriveDL |
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145 | call Print_ErrorMessageFromAHifError |
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146 | jc SHORT .SkipOldInt13hSinceError |
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147 | call Print_CHSfromCXDXAX |
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148 | |
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149 | mov si, g_szSectors |
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150 | call Print_NullTerminatedStringFromSI |
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151 | pop dx |
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152 | push dx |
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153 | call Bios_ReadOldInt13hCapacityFromDriveDL |
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154 | call Print_ErrorMessageFromAHifError |
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155 | jc SHORT .SkipOldInt13hSinceError |
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156 | xchg ax, dx |
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157 | mov dx, cx |
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158 | xor bx, bx |
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159 | call Print_TotalSectorsFromBXDXAX |
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160 | .SkipOldInt13hSinceError: |
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161 | pop dx |
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162 | pop cx |
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163 | ret |
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164 | |
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165 | |
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166 | ALIGN JUMP_ALIGN |
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167 | DisplayNewInt13hInformationFromDriveDL: |
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168 | push cx |
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169 | push dx |
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170 | |
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171 | call Bios_ReadEbiosVersionFromDriveDL |
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172 | call Print_ErrorMessageFromAHifError |
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173 | jc SHORT .SkipNewInt13hSinceError |
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174 | call Print_EbiosVersionFromBXandExtensionsFromCX |
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175 | |
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176 | call Bios_ReadEbiosInfoFromDriveDLtoDSSI |
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177 | call Print_ErrorMessageFromAHifError |
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178 | jc SHORT .SkipNewInt13hSinceError |
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179 | |
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180 | test WORD [si+EDRIVE_INFO.wFlags], FLG_CHS_INFORMATION_IS_VALID |
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181 | jz SHORT .SkipEbiosCHS |
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182 | mov ax, [si+EDRIVE_INFO.dwCylinders] |
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183 | mov dx, [si+EDRIVE_INFO.dwHeads] |
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184 | mov cx, [si+EDRIVE_INFO.dwSectorsPerTrack] |
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185 | call Print_CHSfromCXDXAX |
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186 | .SkipEbiosCHS: |
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187 | |
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188 | push si |
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189 | mov si, g_szSectors |
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190 | call Print_NullTerminatedStringFromSI |
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191 | pop si |
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192 | mov ax, [si+EDRIVE_INFO.qwTotalSectors] |
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193 | mov dx, [si+EDRIVE_INFO.qwTotalSectors+2] |
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194 | mov bx, [si+EDRIVE_INFO.qwTotalSectors+4] |
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195 | call Print_TotalSectorsFromBXDXAX |
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196 | |
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197 | mov ax, [si+EDRIVE_INFO.wSectorSize] |
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198 | mov si, g_szNewSectorSize |
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199 | call Print_SectorSizeFromAXusingFormatStringInSI |
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200 | |
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201 | .SkipNewInt13hSinceError: |
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202 | pop dx |
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203 | pop cx |
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204 | ret |
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