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| Rev 1448 | Rev 1709 | ||
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| 3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
| 4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
| 5 | ;; ;; |
5 | ;; ;; |
| 6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 7... | Line 7... | ||
| 7 | 7 | ||
| Line 8... | Line 8... | ||
| 8 | $Revision: 1448 $ |
8 | $Revision: 1709 $ |
| 9 | 9 | ||
| 10 | 10 | ||
| Line 47... | Line 47... | ||
| 47 | cmp [hd_error],0 |
47 | cmp [hd_error],0 |
| 48 | jne return_01 |
48 | jne return_01 |
| 49 | ; Read through BIOS? |
49 | ; Read through BIOS? |
| 50 | cmp [hdpos], 0x80 |
50 | cmp [hdpos], 0x80 |
| 51 | jae .bios |
51 | jae .bios |
| - | 52 | ; hd_read_{dma,pio} use old ATA with 28 bit for sector number |
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| - | 53 | cmp eax, 0x10000000 |
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| - | 54 | jb @f |
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| - | 55 | inc [hd_error] |
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| - | 56 | jmp return_01 |
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| - | 57 | @@: |
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| 52 | ; DMA read is permitted if [allow_dma_access]=1 or 2 |
58 | ; DMA read is permitted if [allow_dma_access]=1 or 2 |
| 53 | cmp [allow_dma_access], 2 |
59 | cmp [allow_dma_access], 2 |
| 54 | ja .nodma |
60 | ja .nodma |
| 55 | cmp [dma_hdd], 1 |
61 | cmp [dma_hdd], 1 |
| 56 | jnz .nodma |
62 | jnz .nodma |
| Line 233... | Line 239... | ||
| 233 | pop edi esi ecx |
239 | pop edi esi ecx |
| 234 | ret |
240 | ret |
| Line 235... | Line 241... | ||
| 235 | 241 | ||
| 236 | align 4 |
242 | align 4 |
| - | 243 | cache_write_pio: |
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| - | 244 | cmp dword[esi],0x10000000 |
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| 237 | cache_write_pio: |
245 | jae .bad |
| Line 238... | Line 246... | ||
| 238 | ; call disable_ide_int |
246 | ; call disable_ide_int |
| 239 | 247 | ||
| 240 | call wait_for_hd_idle |
248 | call wait_for_hd_idle |
| Line 293... | Line 301... | ||
| 293 | 301 | ||
| 294 | ; call enable_ide_int |
302 | ; call enable_ide_int |
| Line 295... | Line 303... | ||
| 295 | pop esi ecx |
303 | pop esi ecx |
| - | 304 | ||
| - | 305 | ret |
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| - | 306 | .bad: |
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| Line 296... | Line 307... | ||
| 296 | 307 | inc [hd_error] |
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| Line 297... | Line 308... | ||
| 297 | ret |
308 | ret |
| 298 | 309 | ||
| Line 684... | Line 695... | ||
| 684 | mov [cache_chain_size],1 |
695 | mov [cache_chain_size],1 |
| 685 | mov [cache_chain_pos],edi |
696 | mov [cache_chain_pos],edi |
| 686 | write_cache_chain: |
697 | write_cache_chain: |
| 687 | cmp [hdpos], 0x80 |
698 | cmp [hdpos], 0x80 |
| 688 | jae bd_write_cache_chain |
699 | jae bd_write_cache_chain |
| - | 700 | mov eax,[cache_chain_ptr] |
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| - | 701 | cmp dword[eax],0x10000000 |
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| - | 702 | jae .bad |
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| 689 | push esi |
703 | push esi |
| 690 | mov eax, IDE_descriptor_table |
704 | mov eax, IDE_descriptor_table |
| 691 | mov edx,eax |
705 | mov edx,eax |
| 692 | pusha |
706 | pusha |
| 693 | mov esi,[cache_chain_pos] |
707 | mov esi,[cache_chain_pos] |
| Line 777... | Line 791... | ||
| 777 | @@: |
791 | @@: |
| 778 | cmp [hd_error], 0 |
792 | cmp [hd_error], 0 |
| 779 | jnz hd_write_error_dma |
793 | jnz hd_write_error_dma |
| 780 | pop esi |
794 | pop esi |
| 781 | ret |
795 | ret |
| - | 796 | .bad: |
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| - | 797 | inc [hd_error] |
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| - | 798 | ret |
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| Line 782... | Line 799... | ||
| 782 | 799 | ||
| 783 | uglobal |
800 | uglobal |
| 784 | IDEContrRegsBaseAddr dw ? |
801 | IDEContrRegsBaseAddr dw ? |
| 785 | endg |
802 | endg |