[90] | 1 | ; Project name : XTIDE Universal BIOS |
---|
[3] | 2 | ; Description : Int 13h BIOS functions (Floppy and Hard disk). |
---|
| 3 | |
---|
[376] | 4 | ; |
---|
[445] | 5 | ; XTIDE Universal BIOS and Associated Tools |
---|
[526] | 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
---|
[376] | 7 | ; |
---|
| 8 | ; This program is free software; you can redistribute it and/or modify |
---|
| 9 | ; it under the terms of the GNU General Public License as published by |
---|
| 10 | ; the Free Software Foundation; either version 2 of the License, or |
---|
| 11 | ; (at your option) any later version. |
---|
[445] | 12 | ; |
---|
[376] | 13 | ; This program is distributed in the hope that it will be useful, |
---|
| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
[445] | 16 | ; GNU General Public License for more details. |
---|
[376] | 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
---|
[445] | 18 | ; |
---|
[376] | 19 | |
---|
[3] | 20 | ; Section containing code |
---|
| 21 | SECTION .text |
---|
| 22 | |
---|
| 23 | ;-------------------------------------------------------------------- |
---|
| 24 | ; Int 13h software interrupt handler. |
---|
[417] | 25 | ; This handler changes stack to top of stolen conventional memory |
---|
| 26 | ; and then calls the actual INT 13h handler (Int13h_DiskFunctionsHandler). |
---|
| 27 | ; |
---|
| 28 | ; Int13h_DiskFunctionsHandlerWithStackChange |
---|
| 29 | ; Parameters: |
---|
| 30 | ; AH: Bios function |
---|
| 31 | ; DL: Drive number |
---|
| 32 | ; Other: Depends on function |
---|
| 33 | ; Returns: |
---|
| 34 | ; Depends on function |
---|
| 35 | ;-------------------------------------------------------------------- |
---|
| 36 | %ifdef RELOCATE_INT13H_STACK |
---|
| 37 | ALIGN JUMP_ALIGN |
---|
| 38 | Int13h_DiskFunctionsHandlerWithStackChange: |
---|
[525] | 39 | sti ; Enable interrupts |
---|
| 40 | ; TODO: Maybe we need to save Flags (DF) as well? |
---|
| 41 | push ds ; Save DS:DI on the original stack |
---|
[417] | 42 | push di |
---|
| 43 | call RamVars_GetSegmentToDS |
---|
| 44 | |
---|
| 45 | ; Store entry registers to RAMVARS |
---|
[525] | 46 | %ifdef USE_386 |
---|
| 47 | pop DWORD [RAMVARS.dwStackChangeDSDI] |
---|
| 48 | %else |
---|
| 49 | pop WORD [RAMVARS.wStackChangeDI] ; Pop DS:DI to the top of what |
---|
| 50 | pop WORD [RAMVARS.wStackChangeDS] ; is to become the new stack |
---|
| 51 | %endif |
---|
[417] | 52 | mov [RAMVARS.fpInt13hEntryStack], sp |
---|
| 53 | mov [RAMVARS.fpInt13hEntryStack+2], ss |
---|
| 54 | |
---|
| 55 | ; Load new stack and restore DS and DI |
---|
[525] | 56 | mov di, ds ; We can save 2 bytes by using PUSH/POP but it's slower |
---|
| 57 | mov ss, di ; No need to wrap with CLI/STI since this is for AT only (286+) |
---|
| 58 | mov sp, RAMVARS.rgbTopOfStack-4 |
---|
| 59 | pop di ; DI before stack change |
---|
| 60 | pop ds ; DS before stack change |
---|
[417] | 61 | |
---|
| 62 | ; Call INT 13h |
---|
| 63 | pushf |
---|
| 64 | push cs |
---|
| 65 | call Int13h_DiskFunctionsHandler |
---|
| 66 | |
---|
| 67 | ; Restore stack (we must not corrupt FLAGS!) |
---|
| 68 | %ifdef USE_386 |
---|
| 69 | lss sp, [ss:RAMVARS.fpInt13hEntryStack] |
---|
| 70 | %else |
---|
[525] | 71 | cli |
---|
[417] | 72 | mov sp, [ss:RAMVARS.fpInt13hEntryStack] |
---|
| 73 | mov ss, [ss:RAMVARS.fpInt13hEntryStack+2] |
---|
[525] | 74 | sti |
---|
[417] | 75 | %endif |
---|
| 76 | retf 2 ; Skip FLAGS from stack |
---|
| 77 | %endif ; RELOCATE_INT13H_STACK |
---|
| 78 | |
---|
| 79 | |
---|
| 80 | ;-------------------------------------------------------------------- |
---|
| 81 | ; Int 13h software interrupt handler. |
---|
[3] | 82 | ; Jumps to specific function defined in AH. |
---|
| 83 | ; |
---|
[148] | 84 | ; Note to developers: Do not make recursive INT 13h calls! |
---|
| 85 | ; |
---|
| 86 | ; Int13h_DiskFunctionsHandler |
---|
[3] | 87 | ; Parameters: |
---|
| 88 | ; AH: Bios function |
---|
| 89 | ; DL: Drive number |
---|
[148] | 90 | ; Other: Depends on function |
---|
[3] | 91 | ; Returns: |
---|
| 92 | ; Depends on function |
---|
| 93 | ;-------------------------------------------------------------------- |
---|
| 94 | ALIGN JUMP_ALIGN |
---|
[148] | 95 | Int13h_DiskFunctionsHandler: |
---|
[525] | 96 | %ifndef RELOCATE_INT13H_STACK |
---|
[3] | 97 | sti ; Enable interrupts |
---|
[556] | 98 | %endif |
---|
[150] | 99 | cld ; String instructions to increment pointers |
---|
[443] | 100 | CREATE_FRAME_INTPACK_TO_SSBP SIZE_OF_IDEPACK_WITHOUT_INTPACK |
---|
[3] | 101 | call RamVars_GetSegmentToDS |
---|
[294] | 102 | |
---|
[493] | 103 | %ifdef MODULE_DRIVEXLATE |
---|
[148] | 104 | call DriveXlate_ToOrBack |
---|
[395] | 105 | %endif |
---|
[322] | 106 | call FindDPT_ForDriveNumberInDL ; DS:DI points to our DPT, or NULL if not our drive |
---|
| 107 | jc SHORT .NotOurDrive ; DPT not found so this is not one of our drives |
---|
[258] | 108 | |
---|
[294] | 109 | .OurFunction: |
---|
[3] | 110 | ; Jump to correct BIOS function |
---|
[148] | 111 | eMOVZX bx, ah |
---|
[445] | 112 | eSHL_IM bx, 1 |
---|
[165] | 113 | cmp ah, 25h ; Possible EBIOS function? |
---|
[417] | 114 | %ifndef MODULE_EBIOS |
---|
| 115 | ja SHORT UnsupportedFunction |
---|
| 116 | jmp [cs:bx+g_rgw13hFuncJump] ; Jump to BIOS function |
---|
| 117 | |
---|
| 118 | %else ; If using MODULE_EBIOS |
---|
[165] | 119 | ja SHORT .JumpToEbiosFunction |
---|
[148] | 120 | jmp [cs:bx+g_rgw13hFuncJump] ; Jump to BIOS function |
---|
[3] | 121 | |
---|
[165] | 122 | ALIGN JUMP_ALIGN |
---|
| 123 | .JumpToEbiosFunction: |
---|
[542] | 124 | test BYTE [di+DPT.bFlagsLow], FLGL_DPT_LBA |
---|
[417] | 125 | jz SHORT UnsupportedFunction ; No eINT 13h for CHS drives |
---|
[322] | 126 | sub bl, 41h<<1 ; BX = Offset to eINT 13h jump table |
---|
[417] | 127 | jb SHORT UnsupportedFunction |
---|
[167] | 128 | cmp ah, 48h |
---|
[417] | 129 | ja SHORT UnsupportedFunction |
---|
[165] | 130 | jmp [cs:bx+g_rgwEbiosFunctionJumpTable] |
---|
[417] | 131 | %endif ; MODULE_EBIOS |
---|
[3] | 132 | |
---|
[417] | 133 | |
---|
[322] | 134 | ALIGN JUMP_ALIGN |
---|
| 135 | .NotOurDrive: |
---|
| 136 | test ah, ah |
---|
| 137 | jz SHORT .OurFunction ; We handle all function 0h requests (resets) |
---|
[260] | 138 | |
---|
[556] | 139 | %ifndef MODULE_SERIAL_FLOPPY |
---|
| 140 | ; Without floppy support, we handle only hard disk traffic for function 08h. |
---|
| 141 | test dl, dl |
---|
| 142 | jns SHORT Int13h_DirectCallToAnotherBios |
---|
| 143 | %endif |
---|
| 144 | ; With floppy support, we handle all traffic for function 08h, as we need to wrap both hard disk and floppy drive counts. |
---|
| 145 | cmp ah, GET_DRIVE_PARAMETERS |
---|
[322] | 146 | je SHORT .OurFunction |
---|
| 147 | ; Fall to Int13h_DirectCallToAnotherBios |
---|
| 148 | |
---|
[417] | 149 | |
---|
[3] | 150 | ;-------------------------------------------------------------------- |
---|
[417] | 151 | ; UnsupportedFunction |
---|
[3] | 152 | ; Int13h_DirectCallToAnotherBios |
---|
| 153 | ; Parameters: |
---|
[148] | 154 | ; DL: Translated drive number |
---|
[3] | 155 | ; DS: RAMVARS segment |
---|
[150] | 156 | ; SS:BP: Ptr to IDEPACK |
---|
[148] | 157 | ; BX, DI: Corrupted on Int13h_DiskFunctionsHandler |
---|
[161] | 158 | ; Other: Function specific INT 13h parameters |
---|
[3] | 159 | ; Returns: |
---|
| 160 | ; Depends on function |
---|
| 161 | ; Corrupts registers: |
---|
| 162 | ; Flags |
---|
| 163 | ;-------------------------------------------------------------------- |
---|
| 164 | ALIGN JUMP_ALIGN |
---|
[417] | 165 | UnsupportedFunction: |
---|
[3] | 166 | Int13h_DirectCallToAnotherBios: |
---|
[557] | 167 | %ifdef MODULE_DRIVEXLATE |
---|
| 168 | ; Disable drive number translations in case of recursive INT 13h calls |
---|
| 169 | mov [RAMVARS.xlateVars+XLATEVARS.bXlatedDrv], dl |
---|
| 170 | push WORD [RAMVARS.xlateVars+XLATEVARS.wFDandHDswap] |
---|
[558] | 171 | call DriveXlate_Reset ; No translation |
---|
[557] | 172 | %endif |
---|
| 173 | |
---|
| 174 | push bp ; Store offset to IDEPACK (SS:SP now points it) |
---|
| 175 | |
---|
| 176 | ; Simulate INT by pushing flags and return address |
---|
| 177 | push WORD [bp+IDEPACK.intpack+INTPACK.flags] |
---|
[561] | 178 | %if 0 |
---|
| 179 | ; No standard INT 13h function uses FLAGS as parameters so no need to restore them |
---|
[557] | 180 | popf |
---|
[561] | 181 | pushf |
---|
| 182 | %endif |
---|
[557] | 183 | push cs |
---|
| 184 | ePUSH_T di, .ReturnFromAnotherBios ; Can not corrupt flags |
---|
| 185 | |
---|
| 186 | ; Push old INT 13h handler and restore registers |
---|
| 187 | push WORD [RAMVARS.fpOldI13h+2] |
---|
| 188 | push WORD [RAMVARS.fpOldI13h] |
---|
[150] | 189 | mov bx, [bp+IDEPACK.intpack+INTPACK.bx] |
---|
| 190 | mov di, [bp+IDEPACK.intpack+INTPACK.di] |
---|
| 191 | mov ds, [bp+IDEPACK.intpack+INTPACK.ds] |
---|
| 192 | mov bp, [bp+IDEPACK.intpack+INTPACK.bp] |
---|
[557] | 193 | retf ; "Return" to old INT 13h |
---|
| 194 | .ReturnFromAnotherBios: |
---|
[3] | 195 | |
---|
[557] | 196 | %if 0 |
---|
| 197 | ; We need to restore our pointer to IDEPACK but we cannot corrupt any register |
---|
| 198 | push ax ; Dummy WORD |
---|
| 199 | cli |
---|
| 200 | xchg bp, sp |
---|
| 201 | mov [bp], sp ; Replace dummy WORD with returned BP |
---|
| 202 | mov sp, [bp+2] ; Load offset to IDEPACK |
---|
| 203 | xchg sp, bp |
---|
| 204 | sti ; We would have set IF anyway when exiting INT 13h |
---|
| 205 | pop WORD [bp+IDEPACK.intpack+INTPACK.bp] |
---|
| 206 | %endif |
---|
| 207 | ; Actually we can corrupt BP since no standard INT 13h function uses it as return |
---|
| 208 | ; register. Above code is kept here just in case if there is some non-standard function. |
---|
| 209 | ; POP BP below also belongs to the above code. |
---|
| 210 | pop bp ; Clean IDEPACK offset from stack |
---|
[556] | 211 | |
---|
[557] | 212 | ; Store remaining returned values to INTPACK |
---|
[148] | 213 | %ifdef USE_386 |
---|
[557] | 214 | ; We do not use GS or FS at the moment |
---|
[322] | 215 | ; mov [bp+IDEPACK.intpack+INTPACK.gs], gs |
---|
| 216 | ; mov [bp+IDEPACK.intpack+INTPACK.fs], fs |
---|
[148] | 217 | %endif |
---|
[150] | 218 | mov [bp+IDEPACK.intpack+INTPACK.es], es |
---|
| 219 | mov [bp+IDEPACK.intpack+INTPACK.ds], ds |
---|
| 220 | mov [bp+IDEPACK.intpack+INTPACK.di], di |
---|
| 221 | mov [bp+IDEPACK.intpack+INTPACK.si], si |
---|
| 222 | mov [bp+IDEPACK.intpack+INTPACK.bx], bx |
---|
[493] | 223 | %ifdef MODULE_DRIVEXLATE |
---|
[150] | 224 | mov [bp+IDEPACK.intpack+INTPACK.dh], dh |
---|
[414] | 225 | %else |
---|
| 226 | mov [bp+IDEPACK.intpack+INTPACK.dx], dx |
---|
| 227 | %endif |
---|
[150] | 228 | mov [bp+IDEPACK.intpack+INTPACK.cx], cx |
---|
| 229 | mov [bp+IDEPACK.intpack+INTPACK.ax], ax |
---|
[148] | 230 | pushf |
---|
[150] | 231 | pop WORD [bp+IDEPACK.intpack+INTPACK.flags] |
---|
[148] | 232 | call RamVars_GetSegmentToDS |
---|
[414] | 233 | |
---|
[493] | 234 | %ifdef MODULE_DRIVEXLATE |
---|
[557] | 235 | ; Restore drive number translation back to what it was |
---|
| 236 | pop WORD [RAMVARS.xlateVars+XLATEVARS.wFDandHDswap] |
---|
[414] | 237 | cmp dl, [RAMVARS.xlateVars+XLATEVARS.bXlatedDrv] ; DL is still drive number? |
---|
[557] | 238 | je SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
---|
[414] | 239 | mov [bp+IDEPACK.intpack+INTPACK.dl], dl ; Something is returned in DL |
---|
| 240 | %endif |
---|
[249] | 241 | jmp SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
---|
[3] | 242 | |
---|
[417] | 243 | |
---|
[260] | 244 | %ifdef MODULE_SERIAL_FLOPPY |
---|
| 245 | ;-------------------------------------------------------------------- |
---|
| 246 | ; Int13h_ReturnSuccessForFloppy |
---|
| 247 | ; |
---|
| 248 | ; Some operations, such as format of a floppy disk track, should just |
---|
| 249 | ; return success, while for hard disks it should be treated as unsupported. |
---|
| 250 | ;-------------------------------------------------------------------- |
---|
| 251 | ALIGN JUMP_ALIGN |
---|
| 252 | Int13h_ReturnSuccessForFloppy: |
---|
| 253 | test dl, dl |
---|
[417] | 254 | js SHORT UnsupportedFunction |
---|
[294] | 255 | xor ah, ah |
---|
[417] | 256 | jmp SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
---|
[260] | 257 | %endif |
---|
[3] | 258 | |
---|
[417] | 259 | |
---|
[3] | 260 | ;-------------------------------------------------------------------- |
---|
[249] | 261 | ; Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL |
---|
| 262 | ; Parameters: |
---|
| 263 | ; AH: BIOS Error code |
---|
| 264 | ; CL: Number of sectors actually transferred |
---|
| 265 | ; SS:BP: Ptr to IDEPACK |
---|
| 266 | ; Returns: |
---|
| 267 | ; All registers are loaded from INTPACK |
---|
| 268 | ;-------------------------------------------------------------------- |
---|
| 269 | ALIGN JUMP_ALIGN |
---|
| 270 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL: |
---|
| 271 | mov [bp+IDEPACK.intpack+INTPACK.al], cl |
---|
| 272 | ; Fall to Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
---|
| 273 | |
---|
[417] | 274 | |
---|
[249] | 275 | ;-------------------------------------------------------------------- |
---|
[148] | 276 | ; Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
---|
| 277 | ; Int13h_ReturnFromHandlerWithoutStoringErrorCode |
---|
[32] | 278 | ; Parameters: |
---|
[148] | 279 | ; AH: BIOS Error code |
---|
[150] | 280 | ; SS:BP: Ptr to IDEPACK |
---|
[32] | 281 | ; Returns: |
---|
[148] | 282 | ; All registers are loaded from INTPACK |
---|
[32] | 283 | ;-------------------------------------------------------------------- |
---|
| 284 | ALIGN JUMP_ALIGN |
---|
[148] | 285 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH: |
---|
[258] | 286 | %ifdef MODULE_SERIAL_FLOPPY |
---|
| 287 | mov al, [bp+IDEPACK.intpack+INTPACK.dl] |
---|
[294] | 288 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH_ALHasDriveNumber: |
---|
[258] | 289 | call Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH_ALHasDriveNumber |
---|
[414] | 290 | |
---|
[258] | 291 | %else |
---|
[150] | 292 | call Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH |
---|
[258] | 293 | %endif |
---|
[414] | 294 | |
---|
[148] | 295 | Int13h_ReturnFromHandlerWithoutStoringErrorCode: |
---|
[417] | 296 | ; Always return with interrupts enabled since there are programs that rely |
---|
| 297 | ; on INT 13h to enable interrupts. |
---|
| 298 | or BYTE [bp+IDEPACK.intpack+INTPACK.flags+1], (FLG_FLAGS_IF>>8) |
---|
| 299 | mov sp, bp ; This makes possible to exit anytime, no matter what is on stack |
---|
[443] | 300 | RESTORE_FRAME_INTPACK_FROM_SSBP SIZE_OF_IDEPACK_WITHOUT_INTPACK |
---|
[32] | 301 | |
---|
| 302 | |
---|
| 303 | ;-------------------------------------------------------------------- |
---|
[148] | 304 | ; Int13h_CallPreviousInt13hHandler |
---|
[3] | 305 | ; Parameters: |
---|
[148] | 306 | ; AH: INT 13h function to call |
---|
| 307 | ; DL: Drive number |
---|
| 308 | ; DS: RAMVARS segment |
---|
[3] | 309 | ; Returns: |
---|
| 310 | ; Depends on function |
---|
[294] | 311 | ; NOTE: ES:DI needs to be returned from the previous interrupt |
---|
[258] | 312 | ; handler, for floppy DPT in function 08h |
---|
[3] | 313 | ; Corrupts registers: |
---|
[258] | 314 | ; None |
---|
[3] | 315 | ;-------------------------------------------------------------------- |
---|
| 316 | ALIGN JUMP_ALIGN |
---|
[148] | 317 | Int13h_CallPreviousInt13hHandler: |
---|
[557] | 318 | pushf ; Simulate INT by pushing flags |
---|
| 319 | call far [RAMVARS.fpOldI13h] |
---|
[148] | 320 | ret |
---|
[28] | 321 | |
---|
[35] | 322 | |
---|
[150] | 323 | ;-------------------------------------------------------------------- |
---|
| 324 | ; Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH |
---|
| 325 | ; Int13h_SetErrorCodeToIntpackInSSBPfromAH |
---|
| 326 | ; Parameters: |
---|
| 327 | ; AH: BIOS error code (00h = no error) |
---|
| 328 | ; SS:BP: Ptr to IDEPACK |
---|
| 329 | ; Returns: |
---|
| 330 | ; SS:BP: Ptr to IDEPACK with error condition set |
---|
| 331 | ; Corrupts registers: |
---|
| 332 | ; DS, DI |
---|
| 333 | ;-------------------------------------------------------------------- |
---|
| 334 | ALIGN JUMP_ALIGN |
---|
[258] | 335 | %ifdef MODULE_SERIAL_FLOPPY |
---|
| 336 | Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH_ALHasDriveNumber: |
---|
| 337 | ; Store error code to BDA |
---|
| 338 | mov bx, BDA.bHDLastSt |
---|
| 339 | test al, al |
---|
[414] | 340 | js SHORT .HardDisk |
---|
[258] | 341 | mov bl, BDA.bFDRetST & 0xff |
---|
| 342 | .HardDisk: |
---|
| 343 | LOAD_BDA_SEGMENT_TO ds, di |
---|
[294] | 344 | mov [bx], ah |
---|
[417] | 345 | ; Fall to Int13h_SetErrorCodeToIntpackInSSBPfromAH |
---|
| 346 | |
---|
[258] | 347 | %else |
---|
[150] | 348 | Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH: |
---|
| 349 | ; Store error code to BDA |
---|
[294] | 350 | LOAD_BDA_SEGMENT_TO ds, di |
---|
[150] | 351 | mov [BDA.bHDLastSt], ah |
---|
[417] | 352 | ; Fall to Int13h_SetErrorCodeToIntpackInSSBPfromAH |
---|
[258] | 353 | %endif |
---|
[35] | 354 | |
---|
[150] | 355 | ; Store error code to INTPACK |
---|
| 356 | Int13h_SetErrorCodeToIntpackInSSBPfromAH: |
---|
| 357 | mov [bp+IDEPACK.intpack+INTPACK.ah], ah |
---|
| 358 | test ah, ah |
---|
| 359 | jnz SHORT .SetCFtoIntpack |
---|
| 360 | and BYTE [bp+IDEPACK.intpack+INTPACK.flags], ~FLG_FLAGS_CF |
---|
| 361 | ret |
---|
| 362 | .SetCFtoIntpack: |
---|
| 363 | or BYTE [bp+IDEPACK.intpack+INTPACK.flags], FLG_FLAGS_CF |
---|
| 364 | ret |
---|
| 365 | |
---|
| 366 | |
---|
[3] | 367 | ; Jump table for correct BIOS function |
---|
| 368 | ALIGN WORD_ALIGN |
---|
| 369 | g_rgw13hFuncJump: |
---|
[417] | 370 | dw AH0h_HandlerForDiskControllerReset ; 00h, Disk Controller Reset (All) |
---|
| 371 | dw AH1h_HandlerForReadDiskStatus ; 01h, Read Disk Status (All) |
---|
| 372 | dw AH2h_HandlerForReadDiskSectors ; 02h, Read Disk Sectors (All) |
---|
| 373 | dw AH3h_HandlerForWriteDiskSectors ; 03h, Write Disk Sectors (All) |
---|
| 374 | dw AH4h_HandlerForVerifyDiskSectors ; 04h, Verify Disk Sectors (All) |
---|
[260] | 375 | %ifdef MODULE_SERIAL_FLOPPY |
---|
[417] | 376 | dw Int13h_ReturnSuccessForFloppy ; 05h, Format Disk Track (XT, AT, EISA) |
---|
[260] | 377 | %else |
---|
[417] | 378 | dw UnsupportedFunction ; 05h, Format Disk Track (XT, AT, EISA) |
---|
[260] | 379 | %endif |
---|
[417] | 380 | dw UnsupportedFunction ; 06h, Format Disk Track with Bad Sectors (XT) |
---|
| 381 | dw UnsupportedFunction ; 07h, Format Multiple Cylinders (XT) |
---|
| 382 | dw AH8h_HandlerForReadDiskDriveParameters ; 08h, Read Disk Drive Parameters (All) |
---|
| 383 | dw AH9h_HandlerForInitializeDriveParameters ; 09h, Initialize Drive Parameters (All) |
---|
| 384 | dw UnsupportedFunction ; 0Ah, Read Disk Sectors with ECC (XT, AT, EISA) |
---|
| 385 | dw UnsupportedFunction ; 0Bh, Write Disk Sectors with ECC (XT, AT, EISA) |
---|
| 386 | dw AHCh_HandlerForSeek ; 0Ch, Seek (All) |
---|
[507] | 387 | dw AH9h_HandlerForInitializeDriveParameters ; 0Dh, Alternate Disk Reset (All) |
---|
[417] | 388 | dw UnsupportedFunction ; 0Eh, Read Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2) |
---|
| 389 | dw UnsupportedFunction ; 0Fh, Write Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2) |
---|
| 390 | dw AH10h_HandlerForCheckDriveReady ; 10h, Check Drive Ready (All) |
---|
| 391 | dw AH11h_HandlerForRecalibrate ; 11h, Recalibrate (All) |
---|
| 392 | dw UnsupportedFunction ; 12h, Controller RAM Diagnostic (XT) |
---|
| 393 | dw UnsupportedFunction ; 13h, Drive Diagnostic (XT) |
---|
[540] | 394 | dw AH10h_HandlerForCheckDriveReady ; 14h, Controller Internal Diagnostic (All) |
---|
[417] | 395 | dw AH15h_HandlerForReadDiskDriveSize ; 15h, Read Disk Drive Size (AT+) |
---|
| 396 | dw UnsupportedFunction ; 16h, |
---|
| 397 | dw UnsupportedFunction ; 17h, |
---|
| 398 | dw UnsupportedFunction ; 18h, |
---|
| 399 | dw UnsupportedFunction ; 19h, Park Heads (PS/2) |
---|
| 400 | dw UnsupportedFunction ; 1Ah, Format ESDI Drive (PS/2) |
---|
| 401 | dw UnsupportedFunction ; 1Bh, Get ESDI Manufacturing Header (PS/2) |
---|
| 402 | dw UnsupportedFunction ; 1Ch, ESDI Special Functions (PS/2) |
---|
| 403 | dw UnsupportedFunction ; 1Dh, |
---|
[493] | 404 | %ifdef MODULE_8BIT_IDE_ADVANCED |
---|
[471] | 405 | dw AH1Eh_HandlerForXTCFfeatures ; 1Eh, Lo-tech XT-CF features (XTIDE Universal BIOS) |
---|
| 406 | %else |
---|
[525] | 407 | dw UnsupportedFunction ; 1Eh, |
---|
[471] | 408 | %endif |
---|
[417] | 409 | dw UnsupportedFunction ; 1Fh, |
---|
| 410 | dw UnsupportedFunction ; 20h, |
---|
| 411 | dw UnsupportedFunction ; 21h, Read Disk Sectors, Multiple Blocks (PS/1) |
---|
| 412 | dw UnsupportedFunction ; 22h, Write Disk Sectors, Multiple Blocks (PS/1) |
---|
| 413 | dw AH23h_HandlerForSetControllerFeatures ; 23h, Set Controller Features Register (PS/1) |
---|
| 414 | dw AH24h_HandlerForSetMultipleBlocks ; 24h, Set Multiple Blocks (PS/1) |
---|
| 415 | dw AH25h_HandlerForGetDriveInformation ; 25h, Get Drive Information (PS/1) |
---|
[165] | 416 | |
---|
[176] | 417 | %ifdef MODULE_EBIOS |
---|
[165] | 418 | g_rgwEbiosFunctionJumpTable: |
---|
[417] | 419 | dw AH41h_HandlerForCheckIfExtensionsPresent ; 41h, Check if Extensions Present (EBIOS)* |
---|
| 420 | dw AH42h_HandlerForExtendedReadSectors ; 42h, Extended Read Sectors (EBIOS)* |
---|
| 421 | dw AH43h_HandlerForExtendedWriteSectors ; 43h, Extended Write Sectors (EBIOS)* |
---|
| 422 | dw AH44h_HandlerForExtendedVerifySectors ; 44h, Extended Verify Sectors (EBIOS)* |
---|
| 423 | dw UnsupportedFunction ; 45h, Lock and Unlock Drive (EBIOS)*** |
---|
| 424 | dw UnsupportedFunction ; 46h, Eject Media Request (EBIOS)*** |
---|
| 425 | dw AH47h_HandlerForExtendedSeek ; 47h, Extended Seek (EBIOS)* |
---|
| 426 | dw AH48h_HandlerForGetExtendedDriveParameters ; 48h, Get Extended Drive Parameters (EBIOS)* |
---|
| 427 | ; dw UnsupportedFunction ; 49h, Get Extended Disk Change Status (EBIOS)*** |
---|
| 428 | ; dw UnsupportedFunction ; 4Ah, Initiate Disk Emulation (Bootable CD-ROM) |
---|
| 429 | ; dw UnsupportedFunction ; 4Bh, Terminate Disk Emulation (Bootable CD-ROM) |
---|
| 430 | ; dw UnsupportedFunction ; 4Ch, Initiate Disk Emulation and Boot (Bootable CD-ROM) |
---|
| 431 | ; dw UnsupportedFunction ; 4Dh, Return Boot Catalog (Bootable CD-ROM) |
---|
| 432 | ; dw UnsupportedFunction ; 4Eh, Set Hardware Configuration (EBIOS)** |
---|
[150] | 433 | ; |
---|
| 434 | ; * = Enhanced Drive Access Support (minimum required EBIOS functions) |
---|
| 435 | ; ** = Enhanced Disk Drive (EDD) Support |
---|
| 436 | ; *** = Drive Locking and Ejecting Support |
---|
[181] | 437 | %endif |
---|