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431 serge 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
709 diamond 3 
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
431 serge 4 
;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
593 mikedld 7 
 
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$Revision: 848 $
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;****************************************************
1 ha 12 
;     поиск логических дисков на обнаруженных HDD
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;     и занесение данных в область таблицы
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;     автор Mario79
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;****************************************************
412 serge 16 
      mov   [transfer_adress],DRIVE_DATA+0xa
1 ha 17 
 search_partitions_ide0:
412 serge 18 
      test  [DRIVE_DATA+1],byte 0x40
1 ha 19 
      jz   search_partitions_ide1
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        mov   [hdbase],0x1f0
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        mov   [hdid],0x0
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        mov   [hdpos],1
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      mov  [fat32part],1
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 search_partitions_ide0_1:
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      call  set_FAT32_variables
848 serge 26 
 
1 ha 27 
      cmp   [problem_partition],0
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      jne   search_partitions_ide1
412 serge 29 
      inc   byte [DRIVE_DATA+2]
1 ha 30 
      call  partition_data_transfer
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      add   [transfer_adress],100
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      inc   [fat32part]
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      jmp   search_partitions_ide0_1
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 search_partitions_ide1:
412 serge 36 
      test  [DRIVE_DATA+1],byte 0x10
1 ha 37 
      jz   search_partitions_ide2
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        mov   [hdbase],0x1f0
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        mov   [hdid],0x10
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        mov   [hdpos],2
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      mov  [fat32part],1
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 search_partitions_ide1_1:
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      call  set_FAT32_variables
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      cmp   [problem_partition],0
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      jne   search_partitions_ide2
412 serge 46 
      inc   byte [DRIVE_DATA+3]
1 ha 47 
      call  partition_data_transfer
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      add   [transfer_adress],100
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      inc   [fat32part]
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      jmp   search_partitions_ide1_1
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 search_partitions_ide2:
412 serge 53 
      test  [DRIVE_DATA+1],byte 0x4
1 ha 54 
      jz   search_partitions_ide3
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        mov   [hdbase],0x170
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        mov   [hdid],0x0
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        mov   [hdpos],3
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      mov  [fat32part],1
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 search_partitions_ide2_1:
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      call  set_FAT32_variables
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      cmp   [problem_partition],0
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      jne   search_partitions_ide3
412 serge 63 
      inc   byte [DRIVE_DATA+4]
1 ha 64 
      call  partition_data_transfer
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      add   [transfer_adress],100
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      inc   [fat32part]
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      jmp   search_partitions_ide2_1
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 search_partitions_ide3:
412 serge 70 
      test  [DRIVE_DATA+1],byte 0x1
1 ha 71 
      jz   end_search_partitions_ide
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        mov   [hdbase],0x170
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        mov   [hdid],0x10
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        mov   [hdpos],4
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      mov  [fat32part],1
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 search_partitions_ide3_1:
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      call  set_FAT32_variables
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      cmp   [problem_partition],0
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      jne   end_search_partitions_ide
412 serge 80 
      inc   byte [DRIVE_DATA+5]
1 ha 81 
      call  partition_data_transfer
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      add   [transfer_adress],100
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      inc   [fat32part]
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      jmp   search_partitions_ide3_1
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709 diamond 86 
end_search_partitions_ide:
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        mov     [hdpos], 80h
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        mov     ecx, [NumBiosDisks]
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        test    ecx, ecx
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        jz      end_search_partitions
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start_search_partitions_bd:
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        push    ecx
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        mov     eax, [hdpos]
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        and     [BiosDiskPartitions+(eax-80h)*4], 0
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        mov     [fat32part], 1
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search_partitions_bd:
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        call    set_FAT32_variables
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        cmp     [problem_partition], 0
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        jne     end_search_partitions_bd
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        mov     eax, [hdpos]
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        inc     [BiosDiskPartitions+(eax-80h)*4]
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        call    partition_data_transfer
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        add     [transfer_adress], 100
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        inc     [fat32part]
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        jmp     search_partitions_bd
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end_search_partitions_bd:
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        pop     ecx
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        inc     [hdpos]
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        loop    start_search_partitions_bd
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        jmp     end_search_partitions
412 serge 111 
 
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partition_data_transfer:
1 ha 113 
     mov edi,[transfer_adress]
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     mov esi,PARTITION_START
321 diamond 115 
     mov ecx,(file_system_data_size+3)/4
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     rep movsd
1 ha 117 
     ret
321 diamond 118 
uglobal
1 ha 119 
transfer_adress dd 0
321 diamond 120 
endg
1 ha 121 
partition_data_transfer_1:
321 diamond 122 
;     cli
5 halyavin 123 
     push edi
1 ha 124 
     mov edi,PARTITION_START
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     mov esi,[transfer_adress]
321 diamond 126 
     mov ecx,(file_system_data_size+3)/4
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     rep movsd
5 halyavin 128 
     pop  edi
321 diamond 129 
;     sti
1 ha 130 
     ret
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709 diamond 132 
 end_search_partitions:
1 ha 133 
 
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;PARTITION_START      dd 0x3f
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;PARTITION_END        dd 0
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;SECTORS_PER_FAT      dd 0x1f3a
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;NUMBER_OF_FATS       dd 0x2
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;SECTORS_PER_CLUSTER  dd 0x8
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;BYTES_PER_SECTOR     dd 0x200   ; Note: if BPS <> 512 need lots of changes
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;ROOT_CLUSTER         dd 2       ; first rootdir cluster
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;FAT_START            dd 0       ; start of fat table
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;ROOT_START           dd 0       ; start of rootdir (only fat16)
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;ROOT_SECTORS         dd 0       ; count of rootdir sectors (only fat16)
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;DATA_START           dd 0       ; start of data area (=first cluster 2)
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;LAST_CLUSTER         dd 0       ; last availabe cluster
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;ADR_FSINFO           dd 0       ; used only by fat32
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;
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;fatRESERVED          dd 0x0FFFFFF6
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;fatBAD               dd 0x0FFFFFF7
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;fatEND               dd 0x0FFFFFF8
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;fatMASK              dd 0x0FFFFFFF
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;
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;fat_type             db 0       ; 0=none, 16=fat16, 32=fat32
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