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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5565 | serge | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 6317 $ |
9 | |||
2987 | Serge | 10 | ERROR_SUCCESS = 0 |
11 | ERROR_DISK_BASE = 1 |
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12 | ERROR_UNSUPPORTED_FS = 2 |
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13 | ERROR_UNKNOWN_FS = 3 |
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14 | ERROR_PARTITION = 4 |
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15 | ERROR_FILE_NOT_FOUND = 5 |
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16 | ERROR_END_OF_FILE = 6 |
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17 | ERROR_MEMORY_POINTER = 7 |
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18 | ERROR_DISK_FULL = 8 |
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19 | ERROR_FAT_TABLE = 9 ;deprecated |
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20 | ERROR_FS_FAIL = 9 |
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21 | ERROR_ACCESS_DENIED = 10 |
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22 | ERROR_DEVICE = 11 |
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6078 | serge | 23 | ERROR_OUT_OF_MEMORY = 12 |
593 | mikedld | 24 | |
1491 | Lrz | 25 | image_of_eax EQU esp+32 |
26 | image_of_ebx EQU esp+20 |
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488 | spraid | 27 | |
72 | diamond | 28 | ; System function 70 - files with long names (LFN) |
71 | diamond | 29 | ; diamond, 2006 |
30 | |||
31 | iglobal |
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32 | ; in this table names must be in lowercase |
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33 | rootdirs: |
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87 | mario79 | 34 | ;********************************************** |
2434 | Serge | 35 | db 3,'cd0' |
36 | dd fs_OnCd0 |
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37 | dd fs_NextCd |
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38 | db 3,'cd1' |
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39 | dd fs_OnCd1 |
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40 | dd fs_NextCd |
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41 | db 3,'cd2' |
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42 | dd fs_OnCd2 |
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43 | dd fs_NextCd |
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44 | db 3,'cd3' |
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45 | dd fs_OnCd3 |
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46 | dd fs_NextCd |
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5201 | serge | 47 | db 3,'cd4' |
48 | dd fs_OnCd4 |
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49 | dd fs_NextCd |
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50 | db 3,'cd5' |
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51 | dd fs_OnCd5 |
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52 | dd fs_NextCd |
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53 | db 3,'cd6' |
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54 | dd fs_OnCd6 |
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55 | dd fs_NextCd |
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56 | db 3,'cd7' |
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57 | dd fs_OnCd7 |
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58 | dd fs_NextCd |
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59 | db 3,'cd8' |
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60 | dd fs_OnCd8 |
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61 | dd fs_NextCd |
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62 | db 3,'cd9' |
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63 | dd fs_OnCd9 |
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64 | dd fs_NextCd |
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65 | db 4,'cd10' |
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66 | dd fs_OnCd10 |
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67 | dd fs_NextCd |
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68 | db 4,'cd11' |
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69 | dd fs_OnCd11 |
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70 | dd fs_NextCd |
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237 | serge | 71 | ;*********************************************** |
2434 | Serge | 72 | db 0 |
75 | diamond | 73 | |
87 | mario79 | 74 | |
75 | diamond | 75 | virtual_root_query: |
87 | mario79 | 76 | ;********************************************** |
2434 | Serge | 77 | dd fs_HasCd0 |
78 | db 'cd0',0 |
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79 | dd fs_HasCd1 |
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80 | db 'cd1',0 |
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81 | dd fs_HasCd2 |
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82 | db 'cd2',0 |
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83 | dd fs_HasCd3 |
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84 | db 'cd3',0 |
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5201 | serge | 85 | dd fs_HasCd4 |
86 | db 'cd4',0 |
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87 | dd fs_HasCd5 |
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88 | db 'cd5',0 |
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89 | dd fs_HasCd6 |
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90 | db 'cd6',0 |
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91 | dd fs_HasCd7 |
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92 | db 'cd7',0 |
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93 | dd fs_HasCd8 |
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94 | db 'cd8',0 |
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95 | dd fs_HasCd9 |
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96 | db 'cd9',0 |
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97 | dd fs_HasCd10 |
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98 | db 'cd10',0 |
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99 | dd fs_HasCd11 |
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100 | db 'cd11',0 |
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87 | mario79 | 101 | ;********************************************** |
2434 | Serge | 102 | dd 0 |
71 | diamond | 103 | endg |
3500 | Serge | 104 | |
105 | file_system_lfn_protected: |
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106 | pushad |
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107 | call protect_from_terminate |
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108 | call file_system_lfn |
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109 | call unprotect_from_terminate |
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110 | popad |
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111 | mov [image_of_eax], eax |
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112 | mov [image_of_ebx], ebx |
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113 | ret |
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114 | |||
71 | diamond | 115 | file_system_lfn: |
1491 | Lrz | 116 | ; in: ebx->fileinfo block |
71 | diamond | 117 | ; operation codes: |
72 | diamond | 118 | ; 0 : read file |
75 | diamond | 119 | ; 1 : read folder |
83 | diamond | 120 | ; 2 : create/rewrite file |
133 | diamond | 121 | ; 3 : write/append to file |
122 | ; 4 : set end of file |
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86 | diamond | 123 | ; 5 : get file/directory attributes structure |
124 | ; 6 : set file/directory attributes structure |
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91 | diamond | 125 | ; 7 : start application |
171 | diamond | 126 | ; 8 : delete file |
321 | diamond | 127 | ; 9 : create directory |
71 | diamond | 128 | |
1379 | turbanoff | 129 | ; parse file name |
2434 | Serge | 130 | lea esi, [ebx+20] |
131 | lodsb |
||
132 | test al, al |
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133 | jnz @f |
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134 | mov esi, [esi] |
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135 | lodsb |
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84 | diamond | 136 | @@: |
6317 | serge | 137 | lea ebp, [esi-1] |
138 | cmp dword [ebx], 7 |
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139 | jne @F |
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140 | mov edx, [ebx+4] |
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141 | mov ebx, [ebx+8] |
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142 | call fs_execute; ebp, ebx, edx |
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143 | mov [image_of_eax], eax |
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144 | ret |
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145 | @@: |
||
2434 | Serge | 146 | cmp al, '/' |
147 | jz .notcurdir |
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148 | dec esi |
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149 | mov ebp, esi |
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150 | test al, al |
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151 | jnz @f |
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152 | xor ebp, ebp |
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521 | diamond | 153 | @@: |
2434 | Serge | 154 | mov esi, [current_slot] |
155 | mov esi, [esi+APPDATA.cur_dir] |
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156 | jmp .parse_normal |
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521 | diamond | 157 | .notcurdir: |
2434 | Serge | 158 | cmp byte [esi], 0 |
159 | jz .rootdir |
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160 | call process_replace_file_name |
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521 | diamond | 161 | .parse_normal: |
2434 | Serge | 162 | mov edi, rootdirs-8 |
163 | xor ecx, ecx |
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164 | push esi |
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71 | diamond | 165 | .scan1: |
2434 | Serge | 166 | pop esi |
167 | add edi, ecx |
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168 | scasd |
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169 | scasd |
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170 | mov cl, byte [edi] |
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171 | test cl, cl |
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172 | jz .notfound_try |
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173 | inc edi |
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174 | push esi |
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71 | diamond | 175 | @@: |
2434 | Serge | 176 | lodsb |
177 | or al, 20h |
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178 | scasb |
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179 | loopz @b |
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180 | jnz .scan1 |
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181 | lodsb |
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182 | cmp al, '/' |
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183 | jz .found1 |
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184 | test al, al |
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185 | jnz .scan1 |
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186 | pop eax |
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71 | diamond | 187 | ; directory /xxx |
188 | .maindir: |
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2434 | Serge | 189 | mov esi, [edi+4] |
709 | diamond | 190 | .maindir_noesi: |
2434 | Serge | 191 | cmp dword [ebx], 1 |
192 | jnz .access_denied |
||
193 | xor eax, eax |
||
5201 | serge | 194 | mov ebp, [ebx+12] ;the number of blocks to read |
195 | mov edx, [ebx+16] ;where to write the result |
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465 | serge | 196 | ; add edx, std_application_base_address |
2434 | Serge | 197 | push dword [ebx+4] ; first block |
198 | mov ebx, [ebx+8] ; flags |
||
78 | diamond | 199 | ; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler |
2434 | Serge | 200 | mov edi, edx |
201 | push ecx |
||
202 | mov ecx, 32/4 |
||
203 | rep stosd |
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204 | pop ecx |
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205 | mov byte [edx], 1 ; version |
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75 | diamond | 206 | .maindir_loop: |
2434 | Serge | 207 | call esi |
208 | jc .maindir_done |
||
209 | inc dword [edx+8] |
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210 | dec dword [esp] |
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211 | jns .maindir_loop |
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212 | dec ebp |
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213 | js .maindir_loop |
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214 | inc dword [edx+4] |
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215 | mov dword [edi], 0x10 ; attributes: folder |
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216 | mov dword [edi+4], 1 ; name type: UNICODE |
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217 | push eax |
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218 | xor eax, eax |
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219 | add edi, 8 |
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220 | push ecx |
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221 | mov ecx, 40/4-2 |
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222 | rep stosd |
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223 | pop ecx |
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224 | pop eax |
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225 | push eax edx |
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75 | diamond | 226 | ; convert number in eax to decimal UNICODE string |
2434 | Serge | 227 | push edi |
228 | push ecx |
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229 | push -'0' |
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230 | mov ecx, 10 |
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75 | diamond | 231 | @@: |
2434 | Serge | 232 | xor edx, edx |
233 | div ecx |
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234 | push edx |
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235 | test eax, eax |
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236 | jnz @b |
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75 | diamond | 237 | @@: |
2434 | Serge | 238 | pop eax |
239 | add al, '0' |
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240 | stosb |
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241 | test bl, 1 ; UNICODE name? |
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242 | jz .ansi2 |
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243 | mov byte [edi], 0 |
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244 | inc edi |
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78 | diamond | 245 | .ansi2: |
2434 | Serge | 246 | test al, al |
247 | jnz @b |
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248 | mov byte [edi-1], 0 |
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249 | pop ecx |
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250 | pop edi |
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78 | diamond | 251 | ; UNICODE name length is 520 bytes, ANSI - 264 |
2434 | Serge | 252 | add edi, 520 |
253 | test bl, 1 |
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254 | jnz @f |
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255 | sub edi, 520-264 |
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78 | diamond | 256 | @@: |
2434 | Serge | 257 | pop edx eax |
258 | jmp .maindir_loop |
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75 | diamond | 259 | .maindir_done: |
2434 | Serge | 260 | pop eax |
261 | mov ebx, [edx+4] |
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262 | xor eax, eax |
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263 | dec ebp |
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264 | js @f |
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265 | mov al, ERROR_END_OF_FILE |
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75 | diamond | 266 | @@: |
2434 | Serge | 267 | mov [image_of_eax], eax |
268 | mov [image_of_ebx], ebx |
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269 | ret |
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71 | diamond | 270 | ; directory / |
271 | .rootdir: |
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2434 | Serge | 272 | cmp dword [ebx], 1 ; read folder? |
273 | jz .readroot |
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75 | diamond | 274 | .access_denied: |
2434 | Serge | 275 | mov dword [image_of_eax], 10 ; access denied |
276 | ret |
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71 | diamond | 277 | |
75 | diamond | 278 | .readroot: |
279 | ; virtual root folder - special handler |
||
2434 | Serge | 280 | mov ebp, [ebx+12] |
281 | mov edx, [ebx+16] |
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465 | serge | 282 | ; add edx, std_application_base_address |
2434 | Serge | 283 | push dword [ebx+4] ; first block |
284 | mov ebx, [ebx+8] ; flags |
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285 | xor eax, eax |
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78 | diamond | 286 | ; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area |
2434 | Serge | 287 | mov edi, edx |
288 | mov ecx, 32/4 |
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289 | rep stosd |
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290 | mov byte [edx], 1 ; version |
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4287 | Serge | 291 | sub esp, 16 |
292 | .readroot_ah_loop2: |
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293 | push edi |
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294 | lea edi, [esp+4] |
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295 | call dyndisk_enum_root |
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296 | pop edi |
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297 | test eax, eax |
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298 | jz .readroot_done_dynamic |
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299 | inc dword [edx+8] |
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300 | dec dword [esp+16] |
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301 | jns .readroot_ah_loop2 |
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302 | dec ebp |
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303 | js .readroot_ah_loop2 |
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304 | push eax |
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305 | xor eax, eax |
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306 | inc dword [edx+4] |
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307 | mov dword [edi], 0x10 ; attributes: folder |
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308 | mov dword [edi+4], ebx |
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309 | add edi, 8 |
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310 | mov ecx, 40/4-2 |
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311 | rep stosd |
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312 | push esi edi |
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313 | lea esi, [esp+12] |
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314 | @@: |
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315 | lodsb |
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316 | stosb |
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317 | test bl, 1 |
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318 | jz .ansi3 |
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319 | mov byte [edi], 0 |
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320 | inc edi |
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321 | .ansi3: |
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322 | test al, al |
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323 | jnz @b |
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324 | pop edi esi eax |
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325 | add edi, 520 |
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326 | test bl, 1 |
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327 | jnz .readroot_ah_loop2 |
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328 | sub edi, 520-264 |
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329 | jmp .readroot_ah_loop2 |
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330 | .readroot_done_dynamic: |
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331 | add esp, 16 |
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332 | mov esi, virtual_root_query |
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75 | diamond | 333 | .readroot_loop: |
2434 | Serge | 334 | cmp dword [esi], eax |
4287 | Serge | 335 | jz .readroot_done |
2434 | Serge | 336 | call dword [esi] |
337 | add esi, 4 |
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338 | test eax, eax |
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339 | jnz @f |
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75 | diamond | 340 | .readroot_next: |
2434 | Serge | 341 | or ecx, -1 |
342 | xchg esi, edi |
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343 | repnz scasb |
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344 | xchg esi, edi |
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345 | jmp .readroot_loop |
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75 | diamond | 346 | @@: |
2434 | Serge | 347 | xor eax, eax |
348 | inc dword [edx+8] |
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349 | dec dword [esp] |
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350 | jns .readroot_next |
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351 | dec ebp |
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352 | js .readroot_next |
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353 | inc dword [edx+4] |
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354 | mov dword [edi], 0x10 ; attributes: folder |
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355 | mov dword [edi+4], ebx ; name type: UNICODE |
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356 | add edi, 8 |
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357 | mov ecx, 40/4-2 |
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358 | rep stosd |
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359 | push edi |
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75 | diamond | 360 | @@: |
2434 | Serge | 361 | lodsb |
362 | stosb |
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363 | test bl, 1 |
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364 | jz .ansi |
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365 | mov byte [edi], 0 |
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366 | inc edi |
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78 | diamond | 367 | .ansi: |
2434 | Serge | 368 | test eax, eax |
369 | jnz @b |
||
370 | pop edi |
||
371 | add edi, 520 |
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372 | test bl, 1 |
||
373 | jnz .readroot_loop |
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374 | sub edi, 520-264 |
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375 | jmp .readroot_loop |
||
75 | diamond | 376 | .readroot_done: |
2434 | Serge | 377 | pop eax |
378 | mov ebx, [edx+4] |
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379 | xor eax, eax |
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380 | dec ebp |
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381 | js @f |
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382 | mov al, ERROR_END_OF_FILE |
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75 | diamond | 383 | @@: |
2434 | Serge | 384 | mov [image_of_eax], eax |
385 | mov [image_of_ebx], ebx |
||
386 | ret |
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709 | diamond | 387 | .notfound_try: |
4287 | Serge | 388 | call dyndisk_handler |
521 | diamond | 389 | .notfound: |
2434 | Serge | 390 | mov dword [image_of_eax], ERROR_FILE_NOT_FOUND |
391 | and dword [image_of_ebx], 0 |
||
392 | ret |
||
75 | diamond | 393 | |
709 | diamond | 394 | .notfounda: |
395 | cmp edi, esp |
||
396 | jnz .notfound |
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2130 | serge | 397 | call dword [edi+4] |
398 | add esp, 16 |
||
709 | diamond | 399 | jmp .notfound |
400 | |||
71 | diamond | 401 | .found1: |
2434 | Serge | 402 | pop eax |
403 | cmp byte [esi], 0 |
||
404 | jz .maindir |
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709 | diamond | 405 | .found2: |
71 | diamond | 406 | ; read partition number |
2434 | Serge | 407 | xor ecx, ecx |
408 | xor eax, eax |
||
71 | diamond | 409 | @@: |
2434 | Serge | 410 | lodsb |
411 | cmp al, '/' |
||
412 | jz .done1 |
||
413 | test al, al |
||
414 | jz .done1 |
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415 | sub al, '0' |
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416 | cmp al, 9 |
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417 | ja .notfounda |
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418 | lea ecx, [ecx*5] |
||
419 | lea ecx, [ecx*2+eax] |
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420 | jmp @b |
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71 | diamond | 421 | .done1: |
2434 | Serge | 422 | jecxz .notfounda |
423 | test al, al |
||
424 | jnz @f |
||
425 | dec esi |
||
71 | diamond | 426 | @@: |
2434 | Serge | 427 | cmp byte [esi], 0 |
428 | jnz @f |
||
429 | test ebp, ebp |
||
430 | jz @f |
||
431 | mov esi, ebp |
||
432 | xor ebp, ebp |
||
521 | diamond | 433 | @@: |
75 | diamond | 434 | ; now [edi] contains handler address, ecx - partition number, |
435 | ; esi points to ASCIIZ string - rest of name |
||
2434 | Serge | 436 | jmp dword [edi] |
71 | diamond | 437 | |
438 | ; handlers for devices |
||
75 | diamond | 439 | ; in: ecx = 0 => query virtual directory /xxx |
71 | diamond | 440 | ; in: ecx = partition number |
441 | ; esi -> relative (for device) name |
||
442 | ; ebx -> fileinfo |
||
521 | diamond | 443 | ; ebp = 0 or pointer to rest of name from folder addressed by esi |
488 | spraid | 444 | ; out: [image_of_eax]=image of eax, [image_of_ebx]=image of ebx |
71 | diamond | 445 | |
86 | diamond | 446 | fs_NotImplemented: |
2434 | Serge | 447 | mov eax, 2 |
448 | ret |
||
5201 | serge | 449 | ;----------------------------------------------------------------------------- |
87 | mario79 | 450 | fs_OnCd0: |
2434 | Serge | 451 | call reserve_cd |
452 | mov [ChannelNumber], 1 |
||
453 | mov [DiskNumber], 0 |
||
454 | push 6 |
||
455 | push 1 |
||
456 | jmp fs_OnCd |
||
5201 | serge | 457 | ;----------------------------------------------------------------------------- |
87 | mario79 | 458 | fs_OnCd1: |
2434 | Serge | 459 | call reserve_cd |
460 | mov [ChannelNumber], 1 |
||
461 | mov [DiskNumber], 1 |
||
462 | push 4 |
||
463 | push 2 |
||
464 | jmp fs_OnCd |
||
5201 | serge | 465 | ;----------------------------------------------------------------------------- |
87 | mario79 | 466 | fs_OnCd2: |
2434 | Serge | 467 | call reserve_cd |
468 | mov [ChannelNumber], 2 |
||
469 | mov [DiskNumber], 0 |
||
470 | push 2 |
||
471 | push 3 |
||
472 | jmp fs_OnCd |
||
5201 | serge | 473 | ;----------------------------------------------------------------------------- |
87 | mario79 | 474 | fs_OnCd3: |
2434 | Serge | 475 | call reserve_cd |
476 | mov [ChannelNumber], 2 |
||
477 | mov [DiskNumber], 1 |
||
478 | push 0 |
||
479 | push 4 |
||
5201 | serge | 480 | jmp fs_OnCd |
481 | ;----------------------------------------------------------------------------- |
||
482 | fs_OnCd4: |
||
483 | call reserve_cd |
||
484 | mov [ChannelNumber], 1 |
||
485 | mov [DiskNumber], 0 |
||
486 | push 6 |
||
487 | push 5 |
||
488 | jmp fs_OnCd |
||
489 | ;----------------------------------------------------------------------------- |
||
490 | fs_OnCd5: |
||
491 | call reserve_cd |
||
492 | mov [ChannelNumber], 1 |
||
493 | mov [DiskNumber], 1 |
||
494 | push 4 |
||
495 | push 6 |
||
496 | jmp fs_OnCd |
||
497 | ;----------------------------------------------------------------------------- |
||
498 | fs_OnCd6: |
||
499 | call reserve_cd |
||
500 | mov [ChannelNumber], 2 |
||
501 | mov [DiskNumber], 0 |
||
502 | push 2 |
||
503 | push 7 |
||
504 | jmp fs_OnCd |
||
505 | ;----------------------------------------------------------------------------- |
||
506 | fs_OnCd7: |
||
507 | call reserve_cd |
||
508 | mov [ChannelNumber], 2 |
||
509 | mov [DiskNumber], 1 |
||
510 | push 0 |
||
511 | push 8 |
||
512 | jmp fs_OnCd |
||
513 | ;----------------------------------------------------------------------------- |
||
514 | fs_OnCd8: |
||
515 | call reserve_cd |
||
516 | mov [ChannelNumber], 1 |
||
517 | mov [DiskNumber], 0 |
||
518 | push 6 |
||
519 | push 9 |
||
520 | jmp fs_OnCd |
||
521 | ;----------------------------------------------------------------------------- |
||
522 | fs_OnCd9: |
||
523 | call reserve_cd |
||
524 | mov [ChannelNumber], 1 |
||
525 | mov [DiskNumber], 1 |
||
526 | push 4 |
||
527 | push 10 |
||
528 | jmp fs_OnCd |
||
529 | ;----------------------------------------------------------------------------- |
||
530 | fs_OnCd10: |
||
531 | call reserve_cd |
||
532 | mov [ChannelNumber], 2 |
||
533 | mov [DiskNumber], 0 |
||
534 | push 2 |
||
535 | push 11 |
||
536 | jmp fs_OnCd |
||
537 | ;----------------------------------------------------------------------------- |
||
538 | fs_OnCd11: |
||
539 | call reserve_cd |
||
540 | mov [ChannelNumber], 2 |
||
541 | mov [DiskNumber], 1 |
||
542 | push 0 |
||
543 | push 12 |
||
544 | ;----------------------------------------------------------------------------- |
||
87 | mario79 | 545 | fs_OnCd: |
2434 | Serge | 546 | pop eax |
547 | mov [cdpos], eax |
||
5201 | serge | 548 | call reserve_cd_channel |
2434 | Serge | 549 | pop eax |
550 | cmp ecx, 0x100 |
||
551 | jae .nf |
||
552 | push ecx ebx |
||
553 | mov cl, al |
||
5201 | serge | 554 | |
555 | push eax |
||
556 | mov eax, [cdpos] |
||
557 | dec eax |
||
558 | shr eax, 2 |
||
559 | lea eax, [eax*5] |
||
560 | mov bl, [eax+DRIVE_DATA+1] |
||
561 | pop eax |
||
562 | |||
2434 | Serge | 563 | shr bl, cl |
564 | test bl, 2 |
||
565 | pop ebx ecx |
||
87 | mario79 | 566 | |
2434 | Serge | 567 | jnz @f |
87 | mario79 | 568 | .nf: |
2434 | Serge | 569 | call free_cd_channel |
570 | and [cd_status], 0 |
||
571 | mov dword [image_of_eax], 5 ; not found |
||
572 | ret |
||
87 | mario79 | 573 | @@: |
2434 | Serge | 574 | mov ecx, [ebx+12] |
575 | mov edx, [ebx+16] |
||
465 | serge | 576 | ; add edx, std_application_base_address |
2434 | Serge | 577 | mov eax, [ebx] |
578 | cmp eax, fs_NumCdServices |
||
579 | jae .not_impl |
||
580 | add ebx, 4 |
||
581 | call dword [fs_CdServices + eax*4] |
||
582 | call free_cd_channel |
||
583 | and [cd_status], 0 |
||
584 | mov [image_of_eax], eax |
||
585 | mov [image_of_ebx], ebx |
||
586 | ret |
||
87 | mario79 | 587 | .not_impl: |
2434 | Serge | 588 | call free_cd_channel |
589 | and [cd_status], 0 |
||
590 | mov dword [image_of_eax], 2 ; not implemented |
||
591 | ret |
||
5201 | serge | 592 | ;----------------------------------------------------------------------------- |
87 | mario79 | 593 | fs_CdServices: |
2434 | Serge | 594 | dd fs_CdRead |
595 | dd fs_CdReadFolder |
||
596 | dd fs_NotImplemented |
||
597 | dd fs_NotImplemented |
||
598 | dd fs_NotImplemented |
||
599 | dd fs_CdGetFileInfo |
||
600 | dd fs_NotImplemented |
||
601 | dd 0 |
||
602 | dd fs_NotImplemented |
||
603 | dd fs_NotImplemented |
||
90 | mario79 | 604 | fs_NumCdServices = ($ - fs_CdServices)/4 |
5201 | serge | 605 | ;----------------------------------------------------------------------------- |
87 | mario79 | 606 | fs_HasCd0: |
3626 | Serge | 607 | test byte [DRIVE_DATA+1], 10000000b |
608 | setnz al |
||
2434 | Serge | 609 | ret |
5201 | serge | 610 | ;-------------------------------------- |
87 | mario79 | 611 | fs_HasCd1: |
3626 | Serge | 612 | test byte [DRIVE_DATA+1], 00100000b |
613 | setnz al |
||
2434 | Serge | 614 | ret |
5201 | serge | 615 | ;-------------------------------------- |
87 | mario79 | 616 | fs_HasCd2: |
3626 | Serge | 617 | test byte [DRIVE_DATA+1], 00001000b |
618 | setnz al |
||
2434 | Serge | 619 | ret |
5201 | serge | 620 | ;-------------------------------------- |
87 | mario79 | 621 | fs_HasCd3: |
3626 | Serge | 622 | test byte [DRIVE_DATA+1], 00000010b |
623 | setnz al |
||
2434 | Serge | 624 | ret |
5201 | serge | 625 | ;-------------------------------------- |
626 | fs_HasCd4: |
||
627 | test byte [DRIVE_DATA+6], 10000000b |
||
628 | setnz al |
||
629 | ret |
||
630 | ;-------------------------------------- |
||
631 | fs_HasCd5: |
||
632 | test byte [DRIVE_DATA+6], 00100000b |
||
633 | setnz al |
||
634 | ret |
||
635 | ;-------------------------------------- |
||
636 | fs_HasCd6: |
||
637 | test byte [DRIVE_DATA+6], 00001000b |
||
638 | setnz al |
||
639 | ret |
||
640 | ;-------------------------------------- |
||
641 | fs_HasCd7: |
||
642 | test byte [DRIVE_DATA+6], 00000010b |
||
643 | setnz al |
||
644 | ret |
||
645 | ;-------------------------------------- |
||
646 | fs_HasCd8: |
||
647 | test byte [DRIVE_DATA+11], 10000000b |
||
648 | setnz al |
||
649 | ret |
||
650 | ;-------------------------------------- |
||
651 | fs_HasCd9: |
||
652 | test byte [DRIVE_DATA+11], 00100000b |
||
653 | setnz al |
||
654 | ret |
||
655 | ;-------------------------------------- |
||
656 | fs_HasCd10: |
||
657 | test byte [DRIVE_DATA+11], 00001000b |
||
658 | setnz al |
||
659 | ret |
||
660 | ;-------------------------------------- |
||
661 | fs_HasCd11: |
||
662 | test byte [DRIVE_DATA+11], 00000010b |
||
663 | setnz al |
||
664 | ret |
||
665 | ;----------------------------------------------------------------------------- |
||
666 | ; |
||
75 | diamond | 667 | ; fs_NextXXX functions: |
668 | ; in: eax = partition number, from which start to scan |
||
669 | ; out: CF=1 => no more partitions |
||
670 | ; CF=0 => eax=next partition number |
||
5201 | serge | 671 | ; |
672 | ;----------------------------------------------------------------------------- |
||
87 | mario79 | 673 | fs_NextCd: |
674 | ; we always have /cdX/1 |
||
2434 | Serge | 675 | test eax, eax |
676 | stc |
||
677 | jnz @f |
||
678 | mov al, 1 |
||
679 | clc |
||
87 | mario79 | 680 | @@: |
2434 | Serge | 681 | ret |
3725 | Serge | 682 | ;----------------------------------------------------------------------------- |
521 | diamond | 683 | process_replace_file_name: |
3725 | Serge | 684 | ; in |
685 | ; esi - path with filename(f.70) |
||
686 | ; |
||
687 | ; out |
||
688 | ; ebp - full filename |
||
689 | pushfd |
||
690 | cli |
||
2434 | Serge | 691 | mov ebp, [full_file_name_table] |
3725 | Serge | 692 | xor edi, edi |
521 | diamond | 693 | .loop: |
3725 | Serge | 694 | cmp edi, [full_file_name_table.size] |
695 | jae .notfound |
||
2434 | Serge | 696 | push esi edi |
3725 | Serge | 697 | shl edi, 7 ; edi*128 |
698 | add edi, ebp |
||
521 | diamond | 699 | @@: |
3725 | Serge | 700 | cmp byte [edi], 0 ; end of dir_name |
2434 | Serge | 701 | jz .dest_done |
702 | lodsb |
||
703 | test al, al |
||
704 | jz .cont |
||
3725 | Serge | 705 | or al, 20h ; 32 - space char |
2434 | Serge | 706 | scasb |
707 | jz @b |
||
708 | jmp .cont |
||
521 | diamond | 709 | .dest_done: |
2434 | Serge | 710 | cmp byte [esi], 0 |
711 | jz .found |
||
712 | cmp byte [esi], '/' |
||
713 | jnz .cont |
||
714 | inc esi |
||
715 | jmp .found |
||
521 | diamond | 716 | .cont: |
2434 | Serge | 717 | pop edi esi |
3725 | Serge | 718 | inc edi |
2434 | Serge | 719 | jmp .loop |
521 | diamond | 720 | .found: |
2434 | Serge | 721 | pop edi eax |
3725 | Serge | 722 | shl edi, 7 ; edi*128 |
723 | add edi, ebp |
||
2434 | Serge | 724 | mov ebp, esi |
725 | cmp byte [esi], 0 |
||
726 | lea esi, [edi+64] |
||
727 | jnz .ret |
||
521 | diamond | 728 | .notfound: |
2434 | Serge | 729 | xor ebp, ebp |
521 | diamond | 730 | .ret: |
3725 | Serge | 731 | popfd |
2434 | Serge | 732 | ret |
3725 | Serge | 733 | ;----------------------------------------------------------------------------- |
734 | uglobal |
||
735 | lock_flag_for_f30_3 rb 1 |
||
736 | endg |
||
3908 | Serge | 737 | |
521 | diamond | 738 | sys_current_directory: |
2434 | Serge | 739 | ; mov esi, [current_slot] |
740 | ; mov esi, [esi+APPDATA.cur_dir] |
||
741 | ; mov edx, esi |
||
1304 | Lrz | 742 | |
1305 | diamond | 743 | ;get length string of appdata.cur_dir |
2434 | Serge | 744 | mov eax, [current_slot] |
745 | mov edi, [eax+APPDATA.cur_dir] |
||
1304 | Lrz | 746 | |
2434 | Serge | 747 | dec ebx |
748 | jz .set |
||
749 | dec ebx |
||
750 | jz .get |
||
3725 | Serge | 751 | dec ebx |
752 | jz .mount_additional_directory |
||
2434 | Serge | 753 | ret |
3725 | Serge | 754 | |
755 | .mount_additional_directory: |
||
756 | ; sysfunction 30.2: [for app] eax=30,ebx=3,ecx->dir name+dir path (128) |
||
757 | ; for our code: nothing |
||
758 | |||
759 | ; check lock of the function |
||
760 | cmp [lock_flag_for_f30_3], 1 |
||
761 | je @f |
||
762 | |||
763 | mov esi, ecx |
||
764 | mov edi, sysdir_name1 |
||
765 | ; copying fake directory name |
||
766 | mov ecx, 63 |
||
767 | pushfd |
||
768 | cli |
||
769 | cld |
||
770 | rep movsb |
||
771 | ; terminator of name, in case if we get the inlet trash |
||
772 | inc esi |
||
773 | xor eax, eax |
||
774 | stosb |
||
775 | ; copying real directory path for mounting |
||
776 | mov ecx, 63 |
||
777 | rep movsb |
||
778 | ; terminator of name, in case if we get the inlet trash |
||
779 | xor eax, eax |
||
780 | stosb |
||
781 | ; increase the pointer of inputs for procedure "process_replace_file_name" |
||
782 | mov [full_file_name_table.size], 2 |
||
783 | ; block the ability to call f.30.3 because for one session is necessary |
||
784 | ; for us only once |
||
785 | mov [lock_flag_for_f30_3], 1 |
||
786 | popfd |
||
787 | @@: |
||
788 | ret |
||
789 | |||
521 | diamond | 790 | .get: |
791 | ; sysfunction 30.2: [for app] eax=30,ebx=2,ecx->buffer,edx=len |
||
792 | ; for our code: ebx->buffer,ecx=len |
||
2434 | Serge | 793 | max_cur_dir equ 0x1000 |
1304 | Lrz | 794 | |
2434 | Serge | 795 | mov ebx, edi |
1304 | Lrz | 796 | |
2434 | Serge | 797 | push ecx |
798 | push edi |
||
1304 | Lrz | 799 | |
2434 | Serge | 800 | xor eax, eax |
801 | mov ecx, max_cur_dir |
||
1304 | Lrz | 802 | |
2434 | Serge | 803 | repne scasb ;find zerro at and string |
804 | jnz .error ; no zero in cur_dir: internal error, should not happen |
||
1304 | Lrz | 805 | |
2434 | Serge | 806 | sub edi, ebx ;lenght for copy |
807 | inc edi |
||
808 | mov [esp+32+8], edi ;return in eax |
||
1304 | Lrz | 809 | |
2434 | Serge | 810 | cmp edx, edi |
811 | jbe @f |
||
812 | mov edx, edi |
||
1305 | diamond | 813 | @@: |
814 | ;source string |
||
2434 | Serge | 815 | pop esi |
1304 | Lrz | 816 | ;destination string |
2434 | Serge | 817 | pop edi |
818 | cmp edx, 1 |
||
819 | jbe .ret |
||
1304 | Lrz | 820 | |
2434 | Serge | 821 | mov al, '/' ;start string with '/' |
822 | stosb |
||
823 | mov ecx, edx |
||
824 | rep movsb ;copy string |
||
825 | .ret: |
||
826 | ret |
||
1304 | Lrz | 827 | |
2434 | Serge | 828 | .error: |
829 | add esp, 8 |
||
830 | or dword [esp+32], -1 ;error not found zerro at string ->[eax+APPDATA.cur_dir] |
||
831 | ret |
||
521 | diamond | 832 | .set: |
833 | ; sysfunction 30.1: [for app] eax=30,ebx=1,ecx->string |
||
834 | ; for our code: ebx->string to set |
||
1289 | diamond | 835 | ; use generic resolver with APPDATA.cur_dir as destination |
2434 | Serge | 836 | push max_cur_dir ;0x1000 |
837 | push edi ;destination |
||
838 | mov ebx, ecx |
||
839 | call get_full_file_name |
||
840 | ret |
||
1289 | diamond | 841 | |
842 | ; in: ebx = file name, [esp+4] = destination, [esp+8] = sizeof destination |
||
843 | ; destroys all registers except ebp,esp |
||
844 | get_full_file_name: |
||
2434 | Serge | 845 | push ebp |
846 | mov esi, [current_slot] |
||
847 | mov esi, [esi+APPDATA.cur_dir] |
||
848 | mov edx, esi |
||
521 | diamond | 849 | @@: |
2434 | Serge | 850 | inc esi |
851 | cmp byte [esi-1], 0 |
||
852 | jnz @b |
||
853 | dec esi |
||
854 | cmp byte [ebx], '/' |
||
855 | jz .set_absolute |
||
521 | diamond | 856 | ; string gives relative path |
2434 | Serge | 857 | mov edi, [esp+8] ; destination |
521 | diamond | 858 | .relative: |
2434 | Serge | 859 | cmp byte [ebx], 0 |
860 | jz .set_ok |
||
861 | cmp word [ebx], '.' |
||
862 | jz .set_ok |
||
863 | cmp word [ebx], './' |
||
864 | jnz @f |
||
865 | add ebx, 2 |
||
866 | jmp .relative |
||
521 | diamond | 867 | @@: |
2434 | Serge | 868 | cmp word [ebx], '..' |
869 | jnz .doset_relative |
||
870 | cmp byte [ebx+2], 0 |
||
871 | jz @f |
||
872 | cmp byte [ebx+2], '/' |
||
873 | jnz .doset_relative |
||
521 | diamond | 874 | @@: |
2434 | Serge | 875 | dec esi |
876 | cmp byte [esi], '/' |
||
877 | jnz @b |
||
878 | add ebx, 3 |
||
879 | jmp .relative |
||
1289 | diamond | 880 | .set_ok: |
2434 | Serge | 881 | cmp edx, edi ; is destination equal to APPDATA.cur_dir? |
882 | jz .set_ok.cur_dir |
||
883 | sub esi, edx |
||
884 | cmp esi, [esp+12] |
||
885 | jb .set_ok.copy |
||
1289 | diamond | 886 | .fail: |
2434 | Serge | 887 | mov byte [edi], 0 |
888 | xor eax, eax ; fail |
||
889 | pop ebp |
||
890 | ret 8 |
||
1289 | diamond | 891 | .set_ok.copy: |
2434 | Serge | 892 | mov ecx, esi |
893 | mov esi, edx |
||
894 | rep movsb |
||
895 | mov byte [edi], 0 |
||
1289 | diamond | 896 | .ret.ok: |
2434 | Serge | 897 | mov al, 1 ; ok |
898 | pop ebp |
||
899 | ret 8 |
||
1289 | diamond | 900 | .set_ok.cur_dir: |
2434 | Serge | 901 | mov byte [esi], 0 |
902 | jmp .ret.ok |
||
521 | diamond | 903 | .doset_relative: |
2434 | Serge | 904 | cmp edx, edi |
905 | jz .doset_relative.cur_dir |
||
906 | sub esi, edx |
||
907 | cmp esi, [esp+12] |
||
908 | jae .fail |
||
909 | mov ecx, esi |
||
910 | mov esi, edx |
||
911 | mov edx, edi |
||
912 | rep movsb |
||
913 | jmp .doset_relative.copy |
||
1289 | diamond | 914 | .doset_relative.cur_dir: |
2434 | Serge | 915 | mov edi, esi |
1289 | diamond | 916 | .doset_relative.copy: |
2434 | Serge | 917 | add edx, [esp+12] |
918 | mov byte [edi], '/' |
||
919 | inc edi |
||
920 | cmp edi, edx |
||
921 | jae .overflow |
||
521 | diamond | 922 | @@: |
2434 | Serge | 923 | mov al, [ebx] |
924 | inc ebx |
||
925 | stosb |
||
926 | test al, al |
||
927 | jz .ret.ok |
||
928 | cmp edi, edx |
||
929 | jb @b |
||
1289 | diamond | 930 | .overflow: |
2434 | Serge | 931 | dec edi |
932 | jmp .fail |
||
521 | diamond | 933 | .set_absolute: |
2434 | Serge | 934 | lea esi, [ebx+1] |
935 | call process_replace_file_name |
||
936 | mov edi, [esp+8] |
||
937 | mov edx, [esp+12] |
||
938 | add edx, edi |
||
521 | diamond | 939 | .set_copy: |
2434 | Serge | 940 | lodsb |
941 | stosb |
||
942 | test al, al |
||
943 | jz .set_part2 |
||
521 | diamond | 944 | .set_copy_cont: |
2434 | Serge | 945 | cmp edi, edx |
946 | jb .set_copy |
||
947 | jmp .overflow |
||
521 | diamond | 948 | .set_part2: |
2434 | Serge | 949 | mov esi, ebp |
950 | xor ebp, ebp |
||
951 | test esi, esi |
||
952 | jz .ret.ok |
||
953 | mov byte [edi-1], '/' |
||
954 | jmp .set_copy_cont |