[327] | 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 | push dx |
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| 144 | |
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| 145 | call Bios_ReadOldInt13hParametersFromDriveDL |
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| 146 | call Print_ErrorMessageFromAHifError |
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| 147 | jc SHORT .SkipOldInt13hSinceError |
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| 148 | call Print_CHSfromCXDXAX |
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| 149 | |
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| 150 | mov si, g_szSectors |
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| 151 | call Print_NullTerminatedStringFromSI |
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| 152 | pop 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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