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$Revision: 472 $
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$Revision: 514 $
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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    jnz   hdreadcache
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    jnz   hdreadcache
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    call  find_empty_slot       ; ret in edi
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    call  find_empty_slot       ; ret in edi
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    cmp   [hd_error],0
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    cmp   [hd_error],0
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    jne   return_01
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; DMA read is permitted if [allow_dma_access]=1 or 2
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        cmp     [allow_dma_access], 2
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    jne   return_01
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        ja      .nodma
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        cmp     [dma_hdd], 1
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        cmp     [dma_hdd], 1
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        jnz     .nodma
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        jnz     .nodma
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        call    hd_read_dma
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        call    hd_read_dma
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        jmp     @f
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        jmp     @f
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    cmp   eax,[PARTITION_START]
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    cmp   eax,[PARTITION_START]
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    jb    danger
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    jb    danger
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    cmp   eax,[PARTITION_END]
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    cmp   eax,[PARTITION_END]
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    ja    danger
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    ja    danger
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; DMA write is permitted only if [allow_dma_access]=1
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        cmp     [allow_dma_write], 1
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        cmp     [allow_dma_access], 2
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        jnz     .nodma
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        jae     .nodma
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        cmp     [dma_hdd], 1
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        cmp     [dma_hdd], 1
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        jnz     .nodma
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        jnz     .nodma
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; Ž¡ê¥¤¨­ï¥¬ § ¯¨áì 楯®çª¨ ¯®á«¥¤®¢ â¥«ì­ëå ᥪâ®à®¢ ¢ ®¤­® ®¡à é¥­¨¥ ª ¤¨áªã
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; Ž¡ê¥¤¨­ï¥¬ § ¯¨áì 楯®çª¨ ¯®á«¥¤®¢ â¥«ì­ëå ᥪâ®à®¢ ¢ ®¤­® ®¡à é¥­¨¥ ª ¤¨áªã
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        cmp     ecx, 1
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        cmp     ecx, 1
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cache_chain_ptr dd      0
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cache_chain_ptr dd      0
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cache_chain_size        db      0
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cache_chain_size        db      0
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cache_chain_started     db      0
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cache_chain_started     db      0
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dma_task_switched       db      0
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dma_task_switched       db      0
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dma_hdd         db      0
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dma_hdd         db      0
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allow_dma_write db      0
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allow_dma_access db      0
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endg
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endg
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align 4
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align 4
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hdd_irq14:
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hdd_irq14: