[90] | 1 | ; Project name : XTIDE Universal BIOS |
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[3] | 2 | ; Description : Int 13h BIOS functions (Floppy and Hard disk). |
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| 3 | |
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[376] | 4 | ; |
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[445] | 5 | ; XTIDE Universal BIOS and Associated Tools |
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[526] | 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
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[376] | 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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[445] | 12 | ; |
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[376] | 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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[445] | 16 | ; GNU General Public License for more details. |
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[376] | 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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[445] | 18 | ; |
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[376] | 19 | |
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[3] | 20 | ; Section containing code |
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| 21 | SECTION .text |
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| 22 | |
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| 23 | ;-------------------------------------------------------------------- |
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| 24 | ; Int 13h software interrupt handler. |
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[417] | 25 | ; This handler changes stack to top of stolen conventional memory |
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| 26 | ; and then calls the actual INT 13h handler (Int13h_DiskFunctionsHandler). |
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| 27 | ; |
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| 28 | ; Int13h_DiskFunctionsHandlerWithStackChange |
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| 29 | ; Parameters: |
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| 30 | ; AH: Bios function |
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| 31 | ; DL: Drive number |
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| 32 | ; Other: Depends on function |
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| 33 | ; Returns: |
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| 34 | ; Depends on function |
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| 35 | ;-------------------------------------------------------------------- |
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| 36 | %ifdef RELOCATE_INT13H_STACK |
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| 37 | ALIGN JUMP_ALIGN |
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| 38 | Int13h_DiskFunctionsHandlerWithStackChange: |
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[525] | 39 | sti ; Enable interrupts |
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| 40 | ; TODO: Maybe we need to save Flags (DF) as well? |
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| 41 | push ds ; Save DS:DI on the original stack |
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[417] | 42 | push di |
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| 43 | call RamVars_GetSegmentToDS |
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| 44 | |
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| 45 | ; Store entry registers to RAMVARS |
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[525] | 46 | %ifdef USE_386 |
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| 47 | pop DWORD [RAMVARS.dwStackChangeDSDI] |
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| 48 | %else |
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| 49 | pop WORD [RAMVARS.wStackChangeDI] ; Pop DS:DI to the top of what |
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| 50 | pop WORD [RAMVARS.wStackChangeDS] ; is to become the new stack |
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| 51 | %endif |
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[417] | 52 | mov [RAMVARS.fpInt13hEntryStack], sp |
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| 53 | mov [RAMVARS.fpInt13hEntryStack+2], ss |
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| 54 | |
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| 55 | ; Load new stack and restore DS and DI |
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[525] | 56 | mov di, ds ; We can save 2 bytes by using PUSH/POP but it's slower |
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| 57 | mov ss, di ; No need to wrap with CLI/STI since this is for AT only (286+) |
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| 58 | mov sp, RAMVARS.rgbTopOfStack-4 |
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| 59 | pop di ; DI before stack change |
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| 60 | pop ds ; DS before stack change |
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[417] | 61 | |
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| 62 | ; Call INT 13h |
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| 63 | pushf |
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| 64 | push cs |
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| 65 | call Int13h_DiskFunctionsHandler |
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| 66 | |
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| 67 | ; Restore stack (we must not corrupt FLAGS!) |
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| 68 | %ifdef USE_386 |
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| 69 | lss sp, [ss:RAMVARS.fpInt13hEntryStack] |
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| 70 | %else |
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[525] | 71 | cli |
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[417] | 72 | mov sp, [ss:RAMVARS.fpInt13hEntryStack] |
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| 73 | mov ss, [ss:RAMVARS.fpInt13hEntryStack+2] |
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[525] | 74 | sti |
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[417] | 75 | %endif |
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| 76 | retf 2 ; Skip FLAGS from stack |
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| 77 | %endif ; RELOCATE_INT13H_STACK |
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| 78 | |
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| 79 | |
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| 80 | ;-------------------------------------------------------------------- |
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[555] | 81 | ; Int 13h (Hard Drive) to Int 40h (Floppy Drive) |
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| 82 | ; We must not call previous INT 13h for floppy drives since it |
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| 83 | ; does not work on Windows 98 (when using HSFLOP.PDR driver) for some reason. |
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| 84 | ; |
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| 85 | ; DirectCallToFloppyHandler40h |
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| 86 | ; Parameters: |
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| 87 | ; AH: Bios function |
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| 88 | ; DL: Drive number |
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| 89 | ; Other: Depends on function |
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| 90 | ; Returns: |
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| 91 | ; Depends on function |
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| 92 | ;-------------------------------------------------------------------- |
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| 93 | DirectCallToFloppyHandler40h: |
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| 94 | ; With serial floppy support, we handle all traffic for function 08h, |
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| 95 | ; as we need to wrap both hard disk and floppy drive counts. |
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| 96 | %ifdef MODULE_SERIAL_FLOPPY |
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| 97 | cmp ah, GET_DRIVE_PARAMETERS ; 08h |
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| 98 | je SHORT WeHandleTheFloppyFunction |
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| 99 | %endif |
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| 100 | |
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| 101 | int BIOS_DISKETTE_INTERRUPT_40h |
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| 102 | retf 2 ; Skip FLAGS from stack |
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| 103 | |
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| 104 | |
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| 105 | ;-------------------------------------------------------------------- |
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[417] | 106 | ; Int 13h software interrupt handler. |
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[3] | 107 | ; Jumps to specific function defined in AH. |
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| 108 | ; |
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[148] | 109 | ; Note to developers: Do not make recursive INT 13h calls! |
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| 110 | ; |
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| 111 | ; Int13h_DiskFunctionsHandler |
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[3] | 112 | ; Parameters: |
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| 113 | ; AH: Bios function |
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| 114 | ; DL: Drive number |
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[148] | 115 | ; Other: Depends on function |
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[3] | 116 | ; Returns: |
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| 117 | ; Depends on function |
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| 118 | ;-------------------------------------------------------------------- |
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| 119 | ALIGN JUMP_ALIGN |
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[148] | 120 | Int13h_DiskFunctionsHandler: |
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[555] | 121 | test dl, dl ; Floppy Drive? |
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| 122 | jns SHORT DirectCallToFloppyHandler40h |
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| 123 | WeHandleTheFloppyFunction: |
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| 124 | |
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[525] | 125 | %ifndef RELOCATE_INT13H_STACK |
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[3] | 126 | sti ; Enable interrupts |
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[555] | 127 | %endif |
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[150] | 128 | cld ; String instructions to increment pointers |
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[443] | 129 | CREATE_FRAME_INTPACK_TO_SSBP SIZE_OF_IDEPACK_WITHOUT_INTPACK |
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[3] | 130 | call RamVars_GetSegmentToDS |
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[294] | 131 | |
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[493] | 132 | %ifdef MODULE_DRIVEXLATE |
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[148] | 133 | call DriveXlate_ToOrBack |
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[414] | 134 | mov [RAMVARS.xlateVars+XLATEVARS.bXlatedDrv], dl |
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[395] | 135 | %endif |
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[322] | 136 | call FindDPT_ForDriveNumberInDL ; DS:DI points to our DPT, or NULL if not our drive |
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| 137 | jc SHORT .NotOurDrive ; DPT not found so this is not one of our drives |
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[258] | 138 | |
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[294] | 139 | .OurFunction: |
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[3] | 140 | ; Jump to correct BIOS function |
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[148] | 141 | eMOVZX bx, ah |
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[445] | 142 | eSHL_IM bx, 1 |
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[165] | 143 | cmp ah, 25h ; Possible EBIOS function? |
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[417] | 144 | %ifndef MODULE_EBIOS |
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| 145 | ja SHORT UnsupportedFunction |
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| 146 | jmp [cs:bx+g_rgw13hFuncJump] ; Jump to BIOS function |
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| 147 | |
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| 148 | %else ; If using MODULE_EBIOS |
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[165] | 149 | ja SHORT .JumpToEbiosFunction |
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[148] | 150 | jmp [cs:bx+g_rgw13hFuncJump] ; Jump to BIOS function |
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[3] | 151 | |
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[165] | 152 | ALIGN JUMP_ALIGN |
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| 153 | .JumpToEbiosFunction: |
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[542] | 154 | test BYTE [di+DPT.bFlagsLow], FLGL_DPT_LBA |
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[417] | 155 | jz SHORT UnsupportedFunction ; No eINT 13h for CHS drives |
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[322] | 156 | sub bl, 41h<<1 ; BX = Offset to eINT 13h jump table |
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[417] | 157 | jb SHORT UnsupportedFunction |
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[167] | 158 | cmp ah, 48h |
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[417] | 159 | ja SHORT UnsupportedFunction |
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[165] | 160 | jmp [cs:bx+g_rgwEbiosFunctionJumpTable] |
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[417] | 161 | %endif ; MODULE_EBIOS |
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[3] | 162 | |
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[417] | 163 | |
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[322] | 164 | ALIGN JUMP_ALIGN |
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| 165 | .NotOurDrive: |
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| 166 | test ah, ah |
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| 167 | jz SHORT .OurFunction ; We handle all function 0h requests (resets) |
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[260] | 168 | |
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[555] | 169 | ; We handle all traffic for function 08h, as we need to wrap both hard disk and floppy drive counts. |
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| 170 | cmp ah, GET_DRIVE_PARAMETERS ; 08h |
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[322] | 171 | je SHORT .OurFunction |
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| 172 | ; Fall to Int13h_DirectCallToAnotherBios |
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| 173 | |
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[417] | 174 | |
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[3] | 175 | ;-------------------------------------------------------------------- |
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[417] | 176 | ; UnsupportedFunction |
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[3] | 177 | ; Int13h_DirectCallToAnotherBios |
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| 178 | ; Parameters: |
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[148] | 179 | ; DL: Translated drive number |
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[3] | 180 | ; DS: RAMVARS segment |
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[150] | 181 | ; SS:BP: Ptr to IDEPACK |
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[148] | 182 | ; BX, DI: Corrupted on Int13h_DiskFunctionsHandler |
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[161] | 183 | ; Other: Function specific INT 13h parameters |
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[3] | 184 | ; Returns: |
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| 185 | ; Depends on function |
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| 186 | ; Corrupts registers: |
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| 187 | ; Flags |
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| 188 | ;-------------------------------------------------------------------- |
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| 189 | ALIGN JUMP_ALIGN |
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[417] | 190 | UnsupportedFunction: |
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[3] | 191 | Int13h_DirectCallToAnotherBios: |
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[148] | 192 | call ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[150] | 193 | mov bx, [bp+IDEPACK.intpack+INTPACK.bx] |
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| 194 | mov di, [bp+IDEPACK.intpack+INTPACK.di] |
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| 195 | mov ds, [bp+IDEPACK.intpack+INTPACK.ds] |
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| 196 | push WORD [bp+IDEPACK.intpack+INTPACK.flags] |
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[148] | 197 | popf |
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| 198 | push bp |
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[150] | 199 | mov bp, [bp+IDEPACK.intpack+INTPACK.bp] |
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[148] | 200 | int BIOS_DISK_INTERRUPT_13h ; Can safely do as much recursion as it wants |
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[3] | 201 | |
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[148] | 202 | ; Store returned values to INTPACK |
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| 203 | pop bp ; Standard INT 13h functions never uses BP as return register |
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| 204 | %ifdef USE_386 |
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[322] | 205 | ; mov [bp+IDEPACK.intpack+INTPACK.gs], gs |
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| 206 | ; mov [bp+IDEPACK.intpack+INTPACK.fs], fs |
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[148] | 207 | %endif |
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[150] | 208 | mov [bp+IDEPACK.intpack+INTPACK.es], es |
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| 209 | mov [bp+IDEPACK.intpack+INTPACK.ds], ds |
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| 210 | mov [bp+IDEPACK.intpack+INTPACK.di], di |
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| 211 | mov [bp+IDEPACK.intpack+INTPACK.si], si |
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| 212 | mov [bp+IDEPACK.intpack+INTPACK.bx], bx |
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[493] | 213 | %ifdef MODULE_DRIVEXLATE |
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[150] | 214 | mov [bp+IDEPACK.intpack+INTPACK.dh], dh |
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[414] | 215 | %else |
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| 216 | mov [bp+IDEPACK.intpack+INTPACK.dx], dx |
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| 217 | %endif |
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[150] | 218 | mov [bp+IDEPACK.intpack+INTPACK.cx], cx |
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| 219 | mov [bp+IDEPACK.intpack+INTPACK.ax], ax |
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[148] | 220 | pushf |
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[150] | 221 | pop WORD [bp+IDEPACK.intpack+INTPACK.flags] |
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[148] | 222 | call RamVars_GetSegmentToDS |
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[414] | 223 | |
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[493] | 224 | %ifdef MODULE_DRIVEXLATE |
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[414] | 225 | cmp dl, [RAMVARS.xlateVars+XLATEVARS.bXlatedDrv] ; DL is still drive number? |
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[148] | 226 | je SHORT .ExchangeInt13hHandlers |
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[414] | 227 | mov [bp+IDEPACK.intpack+INTPACK.dl], dl ; Something is returned in DL |
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[148] | 228 | ALIGN JUMP_ALIGN |
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| 229 | .ExchangeInt13hHandlers: |
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[414] | 230 | %endif |
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| 231 | |
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[249] | 232 | %ifdef USE_186 |
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| 233 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 234 | jmp SHORT ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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| 235 | %else |
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[148] | 236 | call ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[249] | 237 | jmp SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 238 | %endif |
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[3] | 239 | |
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[417] | 240 | |
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[260] | 241 | %ifdef MODULE_SERIAL_FLOPPY |
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| 242 | ;-------------------------------------------------------------------- |
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| 243 | ; Int13h_ReturnSuccessForFloppy |
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| 244 | ; |
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| 245 | ; Some operations, such as format of a floppy disk track, should just |
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| 246 | ; return success, while for hard disks it should be treated as unsupported. |
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| 247 | ;-------------------------------------------------------------------- |
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| 248 | ALIGN JUMP_ALIGN |
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| 249 | Int13h_ReturnSuccessForFloppy: |
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| 250 | test dl, dl |
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[417] | 251 | js SHORT UnsupportedFunction |
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[294] | 252 | xor ah, ah |
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[417] | 253 | jmp SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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[260] | 254 | %endif |
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[3] | 255 | |
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[417] | 256 | |
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[3] | 257 | ;-------------------------------------------------------------------- |
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[249] | 258 | ; Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL |
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| 259 | ; Parameters: |
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| 260 | ; AH: BIOS Error code |
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| 261 | ; CL: Number of sectors actually transferred |
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| 262 | ; SS:BP: Ptr to IDEPACK |
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| 263 | ; Returns: |
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| 264 | ; All registers are loaded from INTPACK |
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| 265 | ;-------------------------------------------------------------------- |
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| 266 | ALIGN JUMP_ALIGN |
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| 267 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL: |
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| 268 | mov [bp+IDEPACK.intpack+INTPACK.al], cl |
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| 269 | ; Fall to Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 270 | |
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[417] | 271 | |
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[249] | 272 | ;-------------------------------------------------------------------- |
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[148] | 273 | ; Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 274 | ; Int13h_ReturnFromHandlerWithoutStoringErrorCode |
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[32] | 275 | ; Parameters: |
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[148] | 276 | ; AH: BIOS Error code |
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[150] | 277 | ; SS:BP: Ptr to IDEPACK |
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[32] | 278 | ; Returns: |
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[148] | 279 | ; All registers are loaded from INTPACK |
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[32] | 280 | ;-------------------------------------------------------------------- |
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| 281 | ALIGN JUMP_ALIGN |
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[148] | 282 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH: |
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[258] | 283 | %ifdef MODULE_SERIAL_FLOPPY |
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| 284 | mov al, [bp+IDEPACK.intpack+INTPACK.dl] |
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[294] | 285 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH_ALHasDriveNumber: |
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[258] | 286 | call Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH_ALHasDriveNumber |
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[414] | 287 | |
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[258] | 288 | %else |
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[150] | 289 | call Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH |
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[258] | 290 | %endif |
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[414] | 291 | |
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[148] | 292 | Int13h_ReturnFromHandlerWithoutStoringErrorCode: |
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[417] | 293 | ; Always return with interrupts enabled since there are programs that rely |
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| 294 | ; on INT 13h to enable interrupts. |
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| 295 | or BYTE [bp+IDEPACK.intpack+INTPACK.flags+1], (FLG_FLAGS_IF>>8) |
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| 296 | mov sp, bp ; This makes possible to exit anytime, no matter what is on stack |
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[443] | 297 | RESTORE_FRAME_INTPACK_FROM_SSBP SIZE_OF_IDEPACK_WITHOUT_INTPACK |
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[32] | 298 | |
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| 299 | |
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| 300 | ;-------------------------------------------------------------------- |
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[148] | 301 | ; Int13h_CallPreviousInt13hHandler |
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[3] | 302 | ; Parameters: |
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[148] | 303 | ; AH: INT 13h function to call |
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| 304 | ; DL: Drive number |
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| 305 | ; DS: RAMVARS segment |
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[3] | 306 | ; Returns: |
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| 307 | ; Depends on function |
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[294] | 308 | ; NOTE: ES:DI needs to be returned from the previous interrupt |
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[258] | 309 | ; handler, for floppy DPT in function 08h |
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[3] | 310 | ; Corrupts registers: |
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[258] | 311 | ; None |
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[3] | 312 | ;-------------------------------------------------------------------- |
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| 313 | ALIGN JUMP_ALIGN |
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[148] | 314 | Int13h_CallPreviousInt13hHandler: |
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| 315 | call ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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| 316 | int BIOS_DISK_INTERRUPT_13h |
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[258] | 317 | ;;; fall-through to ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[35] | 318 | |
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[3] | 319 | ;-------------------------------------------------------------------- |
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[148] | 320 | ; ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[3] | 321 | ; Parameters: |
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| 322 | ; DS: RAMVARS segment |
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| 323 | ; Returns: |
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[148] | 324 | ; Nothing |
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[3] | 325 | ; Corrupts registers: |
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[258] | 326 | ; Nothing |
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| 327 | ; Note: Flags are preserved |
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[3] | 328 | ;-------------------------------------------------------------------- |
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| 329 | ALIGN JUMP_ALIGN |
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[148] | 330 | ExchangeCurrentInt13hHandlerWithOldInt13hHandler: |
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| 331 | push es |
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[258] | 332 | push si |
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| 333 | LOAD_BDA_SEGMENT_PRESERVE_FLAGS_TO es, si |
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| 334 | mov si, [RAMVARS.fpOldI13h] |
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[150] | 335 | cli |
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[258] | 336 | xchg si, [es:BIOS_DISK_INTERRUPT_13h*4] |
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| 337 | mov [RAMVARS.fpOldI13h], si |
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| 338 | mov si, [RAMVARS.fpOldI13h+2] |
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| 339 | xchg si, [es:BIOS_DISK_INTERRUPT_13h*4+2] |
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[181] | 340 | sti |
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[258] | 341 | mov [RAMVARS.fpOldI13h+2], si |
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| 342 | pop si |
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[148] | 343 | pop es |
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| 344 | ret |
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[28] | 345 | |
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[35] | 346 | |
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[150] | 347 | ;-------------------------------------------------------------------- |
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| 348 | ; Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH |
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| 349 | ; Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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| 350 | ; Parameters: |
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| 351 | ; AH: BIOS error code (00h = no error) |
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| 352 | ; SS:BP: Ptr to IDEPACK |
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| 353 | ; Returns: |
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| 354 | ; SS:BP: Ptr to IDEPACK with error condition set |
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| 355 | ; Corrupts registers: |
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| 356 | ; DS, DI |
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| 357 | ;-------------------------------------------------------------------- |
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| 358 | ALIGN JUMP_ALIGN |
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[258] | 359 | %ifdef MODULE_SERIAL_FLOPPY |
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| 360 | Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH_ALHasDriveNumber: |
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| 361 | ; Store error code to BDA |
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| 362 | mov bx, BDA.bHDLastSt |
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| 363 | test al, al |
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[414] | 364 | js SHORT .HardDisk |
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[258] | 365 | mov bl, BDA.bFDRetST & 0xff |
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| 366 | .HardDisk: |
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| 367 | LOAD_BDA_SEGMENT_TO ds, di |
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[294] | 368 | mov [bx], ah |
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[417] | 369 | ; Fall to Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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| 370 | |
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[258] | 371 | %else |
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[150] | 372 | Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH: |
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| 373 | ; Store error code to BDA |
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[294] | 374 | LOAD_BDA_SEGMENT_TO ds, di |
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[150] | 375 | mov [BDA.bHDLastSt], ah |
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[417] | 376 | ; Fall to Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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[258] | 377 | %endif |
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[35] | 378 | |
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[150] | 379 | ; Store error code to INTPACK |
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| 380 | Int13h_SetErrorCodeToIntpackInSSBPfromAH: |
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| 381 | mov [bp+IDEPACK.intpack+INTPACK.ah], ah |
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| 382 | test ah, ah |
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| 383 | jnz SHORT .SetCFtoIntpack |
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| 384 | and BYTE [bp+IDEPACK.intpack+INTPACK.flags], ~FLG_FLAGS_CF |
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| 385 | ret |
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| 386 | .SetCFtoIntpack: |
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| 387 | or BYTE [bp+IDEPACK.intpack+INTPACK.flags], FLG_FLAGS_CF |
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| 388 | ret |
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| 389 | |
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| 390 | |
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[3] | 391 | ; Jump table for correct BIOS function |
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| 392 | ALIGN WORD_ALIGN |
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| 393 | g_rgw13hFuncJump: |
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[417] | 394 | dw AH0h_HandlerForDiskControllerReset ; 00h, Disk Controller Reset (All) |
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| 395 | dw AH1h_HandlerForReadDiskStatus ; 01h, Read Disk Status (All) |
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| 396 | dw AH2h_HandlerForReadDiskSectors ; 02h, Read Disk Sectors (All) |
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| 397 | dw AH3h_HandlerForWriteDiskSectors ; 03h, Write Disk Sectors (All) |
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| 398 | dw AH4h_HandlerForVerifyDiskSectors ; 04h, Verify Disk Sectors (All) |
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[260] | 399 | %ifdef MODULE_SERIAL_FLOPPY |
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[417] | 400 | dw Int13h_ReturnSuccessForFloppy ; 05h, Format Disk Track (XT, AT, EISA) |
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[260] | 401 | %else |
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[417] | 402 | dw UnsupportedFunction ; 05h, Format Disk Track (XT, AT, EISA) |
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[260] | 403 | %endif |
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[417] | 404 | dw UnsupportedFunction ; 06h, Format Disk Track with Bad Sectors (XT) |
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| 405 | dw UnsupportedFunction ; 07h, Format Multiple Cylinders (XT) |
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| 406 | dw AH8h_HandlerForReadDiskDriveParameters ; 08h, Read Disk Drive Parameters (All) |
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| 407 | dw AH9h_HandlerForInitializeDriveParameters ; 09h, Initialize Drive Parameters (All) |
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| 408 | dw UnsupportedFunction ; 0Ah, Read Disk Sectors with ECC (XT, AT, EISA) |
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| 409 | dw UnsupportedFunction ; 0Bh, Write Disk Sectors with ECC (XT, AT, EISA) |
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| 410 | dw AHCh_HandlerForSeek ; 0Ch, Seek (All) |
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[507] | 411 | dw AH9h_HandlerForInitializeDriveParameters ; 0Dh, Alternate Disk Reset (All) |
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[417] | 412 | dw UnsupportedFunction ; 0Eh, Read Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2) |
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| 413 | dw UnsupportedFunction ; 0Fh, Write Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2) |
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| 414 | dw AH10h_HandlerForCheckDriveReady ; 10h, Check Drive Ready (All) |
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| 415 | dw AH11h_HandlerForRecalibrate ; 11h, Recalibrate (All) |
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| 416 | dw UnsupportedFunction ; 12h, Controller RAM Diagnostic (XT) |
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| 417 | dw UnsupportedFunction ; 13h, Drive Diagnostic (XT) |
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[540] | 418 | dw AH10h_HandlerForCheckDriveReady ; 14h, Controller Internal Diagnostic (All) |
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[417] | 419 | dw AH15h_HandlerForReadDiskDriveSize ; 15h, Read Disk Drive Size (AT+) |
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| 420 | dw UnsupportedFunction ; 16h, |
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| 421 | dw UnsupportedFunction ; 17h, |
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| 422 | dw UnsupportedFunction ; 18h, |
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| 423 | dw UnsupportedFunction ; 19h, Park Heads (PS/2) |
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| 424 | dw UnsupportedFunction ; 1Ah, Format ESDI Drive (PS/2) |
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| 425 | dw UnsupportedFunction ; 1Bh, Get ESDI Manufacturing Header (PS/2) |
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| 426 | dw UnsupportedFunction ; 1Ch, ESDI Special Functions (PS/2) |
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| 427 | dw UnsupportedFunction ; 1Dh, |
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[493] | 428 | %ifdef MODULE_8BIT_IDE_ADVANCED |
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[471] | 429 | dw AH1Eh_HandlerForXTCFfeatures ; 1Eh, Lo-tech XT-CF features (XTIDE Universal BIOS) |
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| 430 | %else |
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[525] | 431 | dw UnsupportedFunction ; 1Eh, |
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[471] | 432 | %endif |
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[417] | 433 | dw UnsupportedFunction ; 1Fh, |
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| 434 | dw UnsupportedFunction ; 20h, |
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| 435 | dw UnsupportedFunction ; 21h, Read Disk Sectors, Multiple Blocks (PS/1) |
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| 436 | dw UnsupportedFunction ; 22h, Write Disk Sectors, Multiple Blocks (PS/1) |
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| 437 | dw AH23h_HandlerForSetControllerFeatures ; 23h, Set Controller Features Register (PS/1) |
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| 438 | dw AH24h_HandlerForSetMultipleBlocks ; 24h, Set Multiple Blocks (PS/1) |
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| 439 | dw AH25h_HandlerForGetDriveInformation ; 25h, Get Drive Information (PS/1) |
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[165] | 440 | |
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[176] | 441 | %ifdef MODULE_EBIOS |
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[165] | 442 | g_rgwEbiosFunctionJumpTable: |
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[417] | 443 | dw AH41h_HandlerForCheckIfExtensionsPresent ; 41h, Check if Extensions Present (EBIOS)* |
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| 444 | dw AH42h_HandlerForExtendedReadSectors ; 42h, Extended Read Sectors (EBIOS)* |
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| 445 | dw AH43h_HandlerForExtendedWriteSectors ; 43h, Extended Write Sectors (EBIOS)* |
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| 446 | dw AH44h_HandlerForExtendedVerifySectors ; 44h, Extended Verify Sectors (EBIOS)* |
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| 447 | dw UnsupportedFunction ; 45h, Lock and Unlock Drive (EBIOS)*** |
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| 448 | dw UnsupportedFunction ; 46h, Eject Media Request (EBIOS)*** |
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| 449 | dw AH47h_HandlerForExtendedSeek ; 47h, Extended Seek (EBIOS)* |
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| 450 | dw AH48h_HandlerForGetExtendedDriveParameters ; 48h, Get Extended Drive Parameters (EBIOS)* |
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| 451 | ; dw UnsupportedFunction ; 49h, Get Extended Disk Change Status (EBIOS)*** |
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| 452 | ; dw UnsupportedFunction ; 4Ah, Initiate Disk Emulation (Bootable CD-ROM) |
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| 453 | ; dw UnsupportedFunction ; 4Bh, Terminate Disk Emulation (Bootable CD-ROM) |
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| 454 | ; dw UnsupportedFunction ; 4Ch, Initiate Disk Emulation and Boot (Bootable CD-ROM) |
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| 455 | ; dw UnsupportedFunction ; 4Dh, Return Boot Catalog (Bootable CD-ROM) |
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| 456 | ; dw UnsupportedFunction ; 4Eh, Set Hardware Configuration (EBIOS)** |
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[150] | 457 | ; |
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| 458 | ; * = Enhanced Drive Access Support (minimum required EBIOS functions) |
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| 459 | ; ** = Enhanced Disk Drive (EDD) Support |
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| 460 | ; *** = Drive Locking and Ejecting Support |
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[181] | 461 | %endif |
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