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| Rev 4720 | Rev 4772 | ||
|---|---|---|---|
| Line 138... | Line 138... | ||
| 138 | cache_ide8 IDE_CACHE |
138 | cache_ide8 IDE_CACHE |
| 139 | cache_ide9 IDE_CACHE |
139 | cache_ide9 IDE_CACHE |
| 140 | cache_ide10 IDE_CACHE |
140 | cache_ide10 IDE_CACHE |
| 141 | cache_ide11 IDE_CACHE |
141 | cache_ide11 IDE_CACHE |
| 142 | ;-------------------------------------- |
142 | ;-------------------------------------- |
| - | 143 | IDE_device_1 rd 2 |
|
| - | 144 | IDE_device_2 rd 2 |
|
| - | 145 | IDE_device_3 rd 2 |
|
| - | 146 | ;-------------------------------------- |
|
| 143 | endg |
147 | endg |
| 144 | ;----------------------------------------------------------------------------- |
148 | ;----------------------------------------------------------------------------- |
| 145 | ; START of initialisation IDE ATA code |
149 | ; START of initialisation IDE ATA code |
| 146 | ;----------------------------------------------------------------------------- |
150 | ;----------------------------------------------------------------------------- |
| 147 | Init_IDE_ATA_controller: |
151 | Init_IDE_ATA_controller: |
| Line 293... | Line 297... | ||
| 293 | add ebx, 10 |
297 | add ebx, 10 |
| 294 | ;-------------------------------------- |
298 | ;-------------------------------------- |
| 295 | .check_DRIVE_DATA: |
299 | .check_DRIVE_DATA: |
| 296 | mov al, 0 |
300 | mov al, 0 |
| 297 | mov ah, [ebx+DRIVE_DATA+1] |
301 | mov ah, [ebx+DRIVE_DATA+1] |
| 298 | test ah, 10100000b |
302 | test ah, 10100000b ; check for ATAPI devices |
| 299 | jz @f |
303 | jz @f |
| 300 | - | ||
| - | 304 | ;-------------------------------------- |
|
| - | 305 | .ch1_pio_set_ATAPI: |
|
| 301 | DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" |
306 | DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" |
| - | 307 | jmp .ch1_pio_set_for_all |
|
| - | 308 | ;-------------------------------------- |
|
| - | 309 | .ch1_pio_set_no_devices: |
|
| - | 310 | DEBUGF 1, "K : IDE CH1 PIO because no devices\n" |
|
| - | 311 | jmp .ch1_pio_set_for_all |
|
| - | 312 | ;------------------------------------- |
|
| - | 313 | .ch1_pio_set: |
|
| - | 314 | DEBUGF 1, "K : IDE CH1 PIO because device not support UDMA\n" |
|
| - | 315 | ;------------------------------------- |
|
| - | 316 | .ch1_pio_set_for_all: |
|
| 302 | mov [ecx+IDE_DATA.dma_hdd_channel_1], byte 0 |
317 | mov [ecx+IDE_DATA.dma_hdd_channel_1], al |
| 303 | - | ||
| 304 | jmp .ch2_check |
318 | jmp .ch2_check |
| 305 | ;-------------------------------------- |
319 | ;-------------------------------------- |
| 306 | @@: |
320 | @@: |
| - | 321 | xor ebx, ebx |
|
| - | 322 | call calculate_IDE_device_values_storage |
|
| - | 323 | ||
| - | 324 | test ah, 1010000b |
|
| - | 325 | jz .ch1_pio_set_no_devices |
|
| - | 326 | ||
| - | 327 | test ah, 1000000b |
|
| - | 328 | jz @f |
|
| - | 329 | ||
| - | 330 | cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
|
| - | 331 | je .ch1_pio_set |
|
| - | 332 | ||
| - | 333 | cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
|
| - | 334 | je .ch1_pio_set |
|
| - | 335 | ;-------------------------------------- |
|
| - | 336 | @@: |
|
| - | 337 | test ah, 10000b |
|
| - | 338 | jz @f |
|
| - | 339 | ||
| - | 340 | add ebx, 2 |
|
| - | 341 | ||
| - | 342 | cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
|
| - | 343 | je .ch1_pio_set |
|
| - | 344 | ||
| - | 345 | cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
|
| - | 346 | je .ch1_pio_set |
|
| - | 347 | ;-------------------------------------- |
|
| - | 348 | @@: |
|
| 307 | mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4 |
349 | mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4 |
| 308 | add dx, 2 ;0x3F6 |
350 | add dx, 2 ;0x3F6 |
| 309 | out dx, al |
351 | out dx, al |
| 310 | DEBUGF 1, "K : IDE CH1 DMA enabled\n" |
352 | DEBUGF 1, "K : IDE CH1 DMA enabled\n" |
| 311 | mov [ecx+IDE_DATA.dma_hdd_channel_1], byte 1 |
353 | mov [ecx+IDE_DATA.dma_hdd_channel_1], byte 1 |
| 312 | ;-------------------------------------- |
354 | ;-------------------------------------- |
| 313 | .ch2_check: |
355 | .ch2_check: |
| 314 | test ah, 1010b |
356 | test ah, 1010b ; check for ATAPI devices |
| 315 | jz @f |
357 | jz @f |
| 316 | - | ||
| - | 358 | ;-------------------------------------- |
|
| - | 359 | .ch2_pio_set_ATAPI: |
|
| 317 | DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" |
360 | DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" |
| - | 361 | jmp .ch2_pio_set_for_all |
|
| - | 362 | ;-------------------------------------- |
|
| - | 363 | .ch2_pio_set_no_devices: |
|
| - | 364 | DEBUGF 1, "K : IDE CH2 PIO because no devices\n" |
|
| - | 365 | jmp .ch2_pio_set_for_all |
|
| - | 366 | ;-------------------------------------- |
|
| - | 367 | .ch2_pio_set: |
|
| - | 368 | DEBUGF 1, "K : IDE CH2 PIO because device not support UDMA\n" |
|
| - | 369 | ;-------------------------------------- |
|
| - | 370 | .ch2_pio_set_for_all: |
|
| 318 | mov [ecx+IDE_DATA.dma_hdd_channel_2], byte 0 |
371 | mov [ecx+IDE_DATA.dma_hdd_channel_2], al |
| 319 | - | ||
| 320 | jmp .end_set_interrupts |
372 | jmp .end_set_interrupts |
| 321 | ;-------------------------------------- |
373 | ;-------------------------------------- |
| 322 | @@: |
374 | @@: |
| - | 375 | mov ebx, 4 |
|
| - | 376 | call calculate_IDE_device_values_storage |
|
| - | 377 | ||
| - | 378 | test ah, 101b |
|
| - | 379 | jz .ch2_pio_set_no_devices |
|
| - | 380 | ||
| - | 381 | test ah, 100b |
|
| - | 382 | jz @f |
|
| - | 383 | ||
| - | 384 | cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
|
| - | 385 | je .ch2_pio_set |
|
| - | 386 | ||
| - | 387 | cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
|
| - | 388 | je .ch2_pio_set |
|
| - | 389 | ;-------------------------------------- |
|
| - | 390 | @@: |
|
| - | 391 | test ah, 1b |
|
| - | 392 | jz @f |
|
| - | 393 | ||
| - | 394 | add ebx, 2 |
|
| - | 395 | ||
| - | 396 | cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
|
| - | 397 | je .ch2_pio_set |
|
| - | 398 | ||
| - | 399 | cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
|
| - | 400 | je .ch2_pio_set |
|
| - | 401 | ;-------------------------------------- |
|
| - | 402 | @@: |
|
| 323 | mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374 |
403 | mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374 |
| 324 | add dx, 2 ;0x376 |
404 | add dx, 2 ;0x376 |
| 325 | out dx, al |
405 | out dx, al |
| 326 | DEBUGF 1, "K : IDE CH2 DMA enabled\n" |
406 | DEBUGF 1, "K : IDE CH2 DMA enabled\n" |
| 327 | mov [ecx+IDE_DATA.dma_hdd_channel_2], byte 1 |
407 | mov [ecx+IDE_DATA.dma_hdd_channel_2], byte 1 |
| Line 348... | Line 428... | ||
| 348 | ;----------------------------------------------------------------------------- |
428 | ;----------------------------------------------------------------------------- |
| 349 | mov esi, boot_detectpart |
429 | mov esi, boot_detectpart |
| 350 | call boot_log |
430 | call boot_log |
| 351 | include 'sear_par.inc' |
431 | include 'sear_par.inc' |
| 352 | ;----------------------------------------------------------------------------- |
432 | ;----------------------------------------------------------------------------- |
| - | 433 | mov esi, boot_init_sys |
|
| - | 434 | call boot_log |
|
| - | 435 | call Parser_params |
|
| - | 436 | ||
| - | 437 | if ~ defined extended_primary_loader |
|
| - | 438 | ; ramdisk image should be loaded by extended primary loader if it exists |
|
| - | 439 | ; READ RAMDISK IMAGE FROM HD |
|
| - | 440 | include '../boot/rdload.inc' |
|
| - | 441 | end if |
|
| - | 442 | ;----------------------------------------------------------------------------- |
|
| 353 | mov ecx, IDE_controller_1 |
443 | mov ecx, IDE_controller_1 |
| 354 | mov [IDE_controller_pointer], ecx |
444 | mov [IDE_controller_pointer], ecx |
| 355 | call Init_IDE_ATA_controller_2 |
445 | call Init_IDE_ATA_controller_2 |
| 356 | mov ecx, IDE_controller_2 |
446 | mov ecx, IDE_controller_2 |
| 357 | mov [IDE_controller_pointer], ecx |
447 | mov [IDE_controller_pointer], ecx |