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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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593 | mikedld | 7 | |
8 | $Revision: 593 $ |
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9 | |||
10 | |||
11 | ;**************************************************** |
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1 | ha | 12 | ; поиск логических дисков на обнаруженных HDD |
13 | ; и занесение данных в область таблицы |
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14 | ; автор Mario79 |
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15 | ;**************************************************** |
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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 |
20 | mov [hdbase],0x1f0 |
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21 | mov [hdid],0x0 |
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22 | mov [hdpos],1 |
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23 | mov [fat32part],1 |
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24 | search_partitions_ide0_1: |
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25 | call set_FAT32_variables |
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26 | cmp [problem_partition],0 |
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27 | jne search_partitions_ide1 |
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412 | serge | 28 | inc byte [DRIVE_DATA+2] |
1 | ha | 29 | call partition_data_transfer |
30 | add [transfer_adress],100 |
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31 | inc [fat32part] |
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32 | jmp search_partitions_ide0_1 |
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33 | |||
34 | search_partitions_ide1: |
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412 | serge | 35 | test [DRIVE_DATA+1],byte 0x10 |
1 | ha | 36 | jz search_partitions_ide2 |
37 | mov [hdbase],0x1f0 |
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38 | mov [hdid],0x10 |
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39 | mov [hdpos],2 |
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40 | mov [fat32part],1 |
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41 | search_partitions_ide1_1: |
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42 | call set_FAT32_variables |
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43 | cmp [problem_partition],0 |
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44 | jne search_partitions_ide2 |
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412 | serge | 45 | inc byte [DRIVE_DATA+3] |
1 | ha | 46 | call partition_data_transfer |
47 | add [transfer_adress],100 |
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48 | inc [fat32part] |
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49 | jmp search_partitions_ide1_1 |
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50 | |||
51 | search_partitions_ide2: |
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412 | serge | 52 | test [DRIVE_DATA+1],byte 0x4 |
1 | ha | 53 | jz search_partitions_ide3 |
54 | mov [hdbase],0x170 |
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55 | mov [hdid],0x0 |
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56 | mov [hdpos],3 |
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57 | mov [fat32part],1 |
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58 | search_partitions_ide2_1: |
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59 | call set_FAT32_variables |
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60 | cmp [problem_partition],0 |
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61 | jne search_partitions_ide3 |
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412 | serge | 62 | inc byte [DRIVE_DATA+4] |
1 | ha | 63 | call partition_data_transfer |
64 | add [transfer_adress],100 |
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65 | inc [fat32part] |
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66 | jmp search_partitions_ide2_1 |
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67 | |||
68 | search_partitions_ide3: |
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412 | serge | 69 | test [DRIVE_DATA+1],byte 0x1 |
1 | ha | 70 | jz end_search_partitions_ide |
71 | mov [hdbase],0x170 |
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72 | mov [hdid],0x10 |
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73 | mov [hdpos],4 |
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74 | mov [fat32part],1 |
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75 | search_partitions_ide3_1: |
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76 | call set_FAT32_variables |
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77 | cmp [problem_partition],0 |
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78 | jne end_search_partitions_ide |
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412 | serge | 79 | inc byte [DRIVE_DATA+5] |
1 | ha | 80 | call partition_data_transfer |
81 | add [transfer_adress],100 |
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82 | inc [fat32part] |
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83 | jmp search_partitions_ide3_1 |
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84 | |||
412 | serge | 85 | |
86 | partition_data_transfer: |
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1 | ha | 87 | mov edi,[transfer_adress] |
88 | mov esi,PARTITION_START |
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321 | diamond | 89 | mov ecx,(file_system_data_size+3)/4 |
90 | rep movsd |
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1 | ha | 91 | ret |
321 | diamond | 92 | uglobal |
1 | ha | 93 | transfer_adress dd 0 |
321 | diamond | 94 | endg |
1 | ha | 95 | partition_data_transfer_1: |
321 | diamond | 96 | ; cli |
5 | halyavin | 97 | push edi |
1 | ha | 98 | mov edi,PARTITION_START |
99 | mov esi,[transfer_adress] |
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321 | diamond | 100 | mov ecx,(file_system_data_size+3)/4 |
101 | rep movsd |
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5 | halyavin | 102 | pop edi |
321 | diamond | 103 | ; sti |
1 | ha | 104 | ret |
105 | |||
106 | end_search_partitions_ide: |
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107 | |||
108 | ;PARTITION_START dd 0x3f |
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109 | ;PARTITION_END dd 0 |
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110 | ;SECTORS_PER_FAT dd 0x1f3a |
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111 | ;NUMBER_OF_FATS dd 0x2 |
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112 | ;SECTORS_PER_CLUSTER dd 0x8 |
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113 | ;BYTES_PER_SECTOR dd 0x200 ; Note: if BPS <> 512 need lots of changes |
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114 | ;ROOT_CLUSTER dd 2 ; first rootdir cluster |
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115 | ;FAT_START dd 0 ; start of fat table |
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116 | ;ROOT_START dd 0 ; start of rootdir (only fat16) |
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117 | ;ROOT_SECTORS dd 0 ; count of rootdir sectors (only fat16) |
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118 | ;DATA_START dd 0 ; start of data area (=first cluster 2) |
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119 | ;LAST_CLUSTER dd 0 ; last availabe cluster |
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120 | ;ADR_FSINFO dd 0 ; used only by fat32 |
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121 | ; |
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122 | ;fatRESERVED dd 0x0FFFFFF6 |
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123 | ;fatBAD dd 0x0FFFFFF7 |
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124 | ;fatEND dd 0x0FFFFFF8 |
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125 | ;fatMASK dd 0x0FFFFFFF |
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126 | ; |
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127 | ;fat_type db 0 ; 0=none, 16=fat16, 32=fat32> |
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128 |