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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2011. 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 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
7 | 7 | ||
8 | $Revision: 3500 $ |
8 | $Revision: 3626 $ |
9 | 9 | ||
10 | ERROR_SUCCESS = 0 |
10 | ERROR_SUCCESS = 0 |
11 | ERROR_DISK_BASE = 1 |
11 | ERROR_DISK_BASE = 1 |
12 | ERROR_UNSUPPORTED_FS = 2 |
12 | ERROR_UNSUPPORTED_FS = 2 |
13 | ERROR_UNKNOWN_FS = 3 |
13 | ERROR_UNKNOWN_FS = 3 |
14 | ERROR_PARTITION = 4 |
14 | ERROR_PARTITION = 4 |
15 | ERROR_FILE_NOT_FOUND = 5 |
15 | ERROR_FILE_NOT_FOUND = 5 |
16 | ERROR_END_OF_FILE = 6 |
16 | ERROR_END_OF_FILE = 6 |
17 | ERROR_MEMORY_POINTER = 7 |
17 | ERROR_MEMORY_POINTER = 7 |
18 | ERROR_DISK_FULL = 8 |
18 | ERROR_DISK_FULL = 8 |
19 | ERROR_FAT_TABLE = 9 ;deprecated |
19 | ERROR_FAT_TABLE = 9 ;deprecated |
20 | ERROR_FS_FAIL = 9 |
20 | ERROR_FS_FAIL = 9 |
21 | ERROR_ACCESS_DENIED = 10 |
21 | ERROR_ACCESS_DENIED = 10 |
22 | ERROR_DEVICE = 11 |
22 | ERROR_DEVICE = 11 |
23 | 23 | ||
24 | image_of_eax EQU esp+32 |
24 | image_of_eax EQU esp+32 |
25 | image_of_ebx EQU esp+20 |
25 | image_of_ebx EQU esp+20 |
26 | 26 | ||
27 | ; System function 70 - files with long names (LFN) |
27 | ; System function 70 - files with long names (LFN) |
28 | ; diamond, 2006 |
28 | ; diamond, 2006 |
29 | 29 | ||
30 | iglobal |
30 | iglobal |
31 | ; in this table names must be in lowercase |
31 | ; in this table names must be in lowercase |
32 | rootdirs: |
32 | rootdirs: |
33 | db 2,'rd' |
33 | db 2,'rd' |
34 | dd fs_OnRamdisk |
34 | dd fs_OnRamdisk |
35 | dd fs_NextRamdisk |
35 | dd fs_NextRamdisk |
36 | db 7,'ramdisk' |
36 | db 7,'ramdisk' |
37 | dd fs_OnRamdisk |
37 | dd fs_OnRamdisk |
38 | dd fs_NextRamdisk |
38 | dd fs_NextRamdisk |
39 | db 2,'fd' |
39 | db 2,'fd' |
40 | dd fs_OnFloppy |
40 | dd fs_OnFloppy |
41 | dd fs_NextFloppy |
41 | dd fs_NextFloppy |
42 | db 10,'floppydisk' |
42 | db 10,'floppydisk' |
43 | dd fs_OnFloppy |
43 | dd fs_OnFloppy |
44 | dd fs_NextFloppy |
44 | dd fs_NextFloppy |
45 | db 3,'hd0' |
45 | db 3,'hd0' |
46 | dd fs_OnHd0 |
46 | dd fs_OnHd0 |
47 | dd fs_NextHd0 |
47 | dd fs_NextHd0 |
48 | db 3,'hd1' |
48 | db 3,'hd1' |
49 | dd fs_OnHd1 |
49 | dd fs_OnHd1 |
50 | dd fs_NextHd1 |
50 | dd fs_NextHd1 |
51 | db 3,'hd2' |
51 | db 3,'hd2' |
52 | dd fs_OnHd2 |
52 | dd fs_OnHd2 |
53 | dd fs_NextHd2 |
53 | dd fs_NextHd2 |
54 | db 3,'hd3' |
54 | db 3,'hd3' |
55 | dd fs_OnHd3 |
55 | dd fs_OnHd3 |
56 | dd fs_NextHd3 |
56 | dd fs_NextHd3 |
57 | ;********************************************** |
57 | ;********************************************** |
58 | db 3,'cd0' |
58 | db 3,'cd0' |
59 | dd fs_OnCd0 |
59 | dd fs_OnCd0 |
60 | dd fs_NextCd |
60 | dd fs_NextCd |
61 | db 3,'cd1' |
61 | db 3,'cd1' |
62 | dd fs_OnCd1 |
62 | dd fs_OnCd1 |
63 | dd fs_NextCd |
63 | dd fs_NextCd |
64 | db 3,'cd2' |
64 | db 3,'cd2' |
65 | dd fs_OnCd2 |
65 | dd fs_OnCd2 |
66 | dd fs_NextCd |
66 | dd fs_NextCd |
67 | db 3,'cd3' |
67 | db 3,'cd3' |
68 | dd fs_OnCd3 |
68 | dd fs_OnCd3 |
69 | dd fs_NextCd |
69 | dd fs_NextCd |
70 | ;*********************************************** |
70 | ;*********************************************** |
71 | db 0 |
71 | db 0 |
72 | 72 | ||
73 | 73 | ||
74 | virtual_root_query: |
74 | virtual_root_query: |
75 | dd fs_HasRamdisk |
75 | dd fs_HasRamdisk |
76 | db 'rd',0 |
76 | db 'rd',0 |
77 | dd fs_HasFloppy |
77 | dd fs_HasFloppy |
78 | db 'fd',0 |
78 | db 'fd',0 |
79 | dd fs_HasHd0 |
79 | dd fs_HasHd0 |
80 | db 'hd0',0 |
80 | db 'hd0',0 |
81 | dd fs_HasHd1 |
81 | dd fs_HasHd1 |
82 | db 'hd1',0 |
82 | db 'hd1',0 |
83 | dd fs_HasHd2 |
83 | dd fs_HasHd2 |
84 | db 'hd2',0 |
84 | db 'hd2',0 |
85 | dd fs_HasHd3 |
85 | dd fs_HasHd3 |
86 | db 'hd3',0 |
86 | db 'hd3',0 |
87 | ;********************************************** |
87 | ;********************************************** |
88 | dd fs_HasCd0 |
88 | dd fs_HasCd0 |
89 | db 'cd0',0 |
89 | db 'cd0',0 |
90 | dd fs_HasCd1 |
90 | dd fs_HasCd1 |
91 | db 'cd1',0 |
91 | db 'cd1',0 |
92 | dd fs_HasCd2 |
92 | dd fs_HasCd2 |
93 | db 'cd2',0 |
93 | db 'cd2',0 |
94 | dd fs_HasCd3 |
94 | dd fs_HasCd3 |
95 | db 'cd3',0 |
95 | db 'cd3',0 |
96 | ;********************************************** |
96 | ;********************************************** |
97 | dd 0 |
97 | dd 0 |
98 | 98 | ||
99 | fs_additional_handlers: |
99 | fs_additional_handlers: |
100 | dd biosdisk_handler, biosdisk_enum_root |
100 | dd biosdisk_handler, biosdisk_enum_root |
101 | dd dyndisk_handler, dyndisk_enum_root |
101 | dd dyndisk_handler, dyndisk_enum_root |
102 | ; add new handlers here |
102 | ; add new handlers here |
103 | dd 0 |
103 | dd 0 |
104 | 104 | ||
105 | endg |
105 | endg |
106 | 106 | ||
107 | file_system_lfn_protected: |
107 | file_system_lfn_protected: |
108 | pushad |
108 | pushad |
109 | call protect_from_terminate |
109 | call protect_from_terminate |
110 | call file_system_lfn |
110 | call file_system_lfn |
111 | call unprotect_from_terminate |
111 | call unprotect_from_terminate |
112 | popad |
112 | popad |
113 | mov [image_of_eax], eax |
113 | mov [image_of_eax], eax |
114 | mov [image_of_ebx], ebx |
114 | mov [image_of_ebx], ebx |
115 | ret |
115 | ret |
116 | 116 | ||
117 | file_system_lfn: |
117 | file_system_lfn: |
118 | ; in: ebx->fileinfo block |
118 | ; in: ebx->fileinfo block |
119 | ; operation codes: |
119 | ; operation codes: |
120 | ; 0 : read file |
120 | ; 0 : read file |
121 | ; 1 : read folder |
121 | ; 1 : read folder |
122 | ; 2 : create/rewrite file |
122 | ; 2 : create/rewrite file |
123 | ; 3 : write/append to file |
123 | ; 3 : write/append to file |
124 | ; 4 : set end of file |
124 | ; 4 : set end of file |
125 | ; 5 : get file/directory attributes structure |
125 | ; 5 : get file/directory attributes structure |
126 | ; 6 : set file/directory attributes structure |
126 | ; 6 : set file/directory attributes structure |
127 | ; 7 : start application |
127 | ; 7 : start application |
128 | ; 8 : delete file |
128 | ; 8 : delete file |
129 | ; 9 : create directory |
129 | ; 9 : create directory |
130 | 130 | ||
131 | ; parse file name |
131 | ; parse file name |
132 | lea esi, [ebx+20] |
132 | lea esi, [ebx+20] |
133 | lodsb |
133 | lodsb |
134 | test al, al |
134 | test al, al |
135 | jnz @f |
135 | jnz @f |
136 | mov esi, [esi] |
136 | mov esi, [esi] |
137 | lodsb |
137 | lodsb |
138 | @@: |
138 | @@: |
139 | cmp al, '/' |
139 | cmp al, '/' |
140 | jz .notcurdir |
140 | jz .notcurdir |
141 | dec esi |
141 | dec esi |
142 | mov ebp, esi |
142 | mov ebp, esi |
143 | test al, al |
143 | test al, al |
144 | jnz @f |
144 | jnz @f |
145 | xor ebp, ebp |
145 | xor ebp, ebp |
146 | @@: |
146 | @@: |
147 | mov esi, [current_slot] |
147 | mov esi, [current_slot] |
148 | mov esi, [esi+APPDATA.cur_dir] |
148 | mov esi, [esi+APPDATA.cur_dir] |
149 | jmp .parse_normal |
149 | jmp .parse_normal |
150 | .notcurdir: |
150 | .notcurdir: |
151 | cmp byte [esi], 0 |
151 | cmp byte [esi], 0 |
152 | jz .rootdir |
152 | jz .rootdir |
153 | call process_replace_file_name |
153 | call process_replace_file_name |
154 | .parse_normal: |
154 | .parse_normal: |
155 | cmp dword [ebx], 7 |
155 | cmp dword [ebx], 7 |
156 | jne @F |
156 | jne @F |
157 | mov edx, [ebx+4] |
157 | mov edx, [ebx+4] |
158 | mov ebx, [ebx+8] |
158 | mov ebx, [ebx+8] |
159 | call fs_execute; esi+ebp, ebx, edx |
159 | call fs_execute; esi+ebp, ebx, edx |
160 | mov [image_of_eax], eax |
160 | mov [image_of_eax], eax |
161 | ret |
161 | ret |
162 | @@: |
162 | @@: |
163 | mov edi, rootdirs-8 |
163 | mov edi, rootdirs-8 |
164 | xor ecx, ecx |
164 | xor ecx, ecx |
165 | push esi |
165 | push esi |
166 | .scan1: |
166 | .scan1: |
167 | pop esi |
167 | pop esi |
168 | add edi, ecx |
168 | add edi, ecx |
169 | scasd |
169 | scasd |
170 | scasd |
170 | scasd |
171 | mov cl, byte [edi] |
171 | mov cl, byte [edi] |
172 | test cl, cl |
172 | test cl, cl |
173 | jz .notfound_try |
173 | jz .notfound_try |
174 | inc edi |
174 | inc edi |
175 | push esi |
175 | push esi |
176 | @@: |
176 | @@: |
177 | lodsb |
177 | lodsb |
178 | or al, 20h |
178 | or al, 20h |
179 | scasb |
179 | scasb |
180 | loopz @b |
180 | loopz @b |
181 | jnz .scan1 |
181 | jnz .scan1 |
182 | lodsb |
182 | lodsb |
183 | cmp al, '/' |
183 | cmp al, '/' |
184 | jz .found1 |
184 | jz .found1 |
185 | test al, al |
185 | test al, al |
186 | jnz .scan1 |
186 | jnz .scan1 |
187 | pop eax |
187 | pop eax |
188 | ; directory /xxx |
188 | ; directory /xxx |
189 | .maindir: |
189 | .maindir: |
190 | mov esi, [edi+4] |
190 | mov esi, [edi+4] |
191 | .maindir_noesi: |
191 | .maindir_noesi: |
192 | cmp dword [ebx], 1 |
192 | cmp dword [ebx], 1 |
193 | jnz .access_denied |
193 | jnz .access_denied |
194 | xor eax, eax |
194 | xor eax, eax |
195 | mov ebp, [ebx+12] ;количество блоков для считывания |
195 | mov ebp, [ebx+12] ;количество блоков для считывания |
196 | mov edx, [ebx+16] ;куда записывать рузельтат |
196 | mov edx, [ebx+16] ;куда записывать рузельтат |
197 | ; add edx, std_application_base_address |
197 | ; add edx, std_application_base_address |
198 | push dword [ebx+4] ; first block |
198 | push dword [ebx+4] ; first block |
199 | mov ebx, [ebx+8] ; flags |
199 | mov ebx, [ebx+8] ; flags |
200 | ; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler |
200 | ; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler |
201 | mov edi, edx |
201 | mov edi, edx |
202 | push ecx |
202 | push ecx |
203 | mov ecx, 32/4 |
203 | mov ecx, 32/4 |
204 | rep stosd |
204 | rep stosd |
205 | pop ecx |
205 | pop ecx |
206 | mov byte [edx], 1 ; version |
206 | mov byte [edx], 1 ; version |
207 | .maindir_loop: |
207 | .maindir_loop: |
208 | call esi |
208 | call esi |
209 | jc .maindir_done |
209 | jc .maindir_done |
210 | inc dword [edx+8] |
210 | inc dword [edx+8] |
211 | dec dword [esp] |
211 | dec dword [esp] |
212 | jns .maindir_loop |
212 | jns .maindir_loop |
213 | dec ebp |
213 | dec ebp |
214 | js .maindir_loop |
214 | js .maindir_loop |
215 | inc dword [edx+4] |
215 | inc dword [edx+4] |
216 | mov dword [edi], 0x10 ; attributes: folder |
216 | mov dword [edi], 0x10 ; attributes: folder |
217 | mov dword [edi+4], 1 ; name type: UNICODE |
217 | mov dword [edi+4], 1 ; name type: UNICODE |
218 | push eax |
218 | push eax |
219 | xor eax, eax |
219 | xor eax, eax |
220 | add edi, 8 |
220 | add edi, 8 |
221 | push ecx |
221 | push ecx |
222 | mov ecx, 40/4-2 |
222 | mov ecx, 40/4-2 |
223 | rep stosd |
223 | rep stosd |
224 | pop ecx |
224 | pop ecx |
225 | pop eax |
225 | pop eax |
226 | push eax edx |
226 | push eax edx |
227 | ; convert number in eax to decimal UNICODE string |
227 | ; convert number in eax to decimal UNICODE string |
228 | push edi |
228 | push edi |
229 | push ecx |
229 | push ecx |
230 | push -'0' |
230 | push -'0' |
231 | mov ecx, 10 |
231 | mov ecx, 10 |
232 | @@: |
232 | @@: |
233 | xor edx, edx |
233 | xor edx, edx |
234 | div ecx |
234 | div ecx |
235 | push edx |
235 | push edx |
236 | test eax, eax |
236 | test eax, eax |
237 | jnz @b |
237 | jnz @b |
238 | @@: |
238 | @@: |
239 | pop eax |
239 | pop eax |
240 | add al, '0' |
240 | add al, '0' |
241 | stosb |
241 | stosb |
242 | test bl, 1 ; UNICODE name? |
242 | test bl, 1 ; UNICODE name? |
243 | jz .ansi2 |
243 | jz .ansi2 |
244 | mov byte [edi], 0 |
244 | mov byte [edi], 0 |
245 | inc edi |
245 | inc edi |
246 | .ansi2: |
246 | .ansi2: |
247 | test al, al |
247 | test al, al |
248 | jnz @b |
248 | jnz @b |
249 | mov byte [edi-1], 0 |
249 | mov byte [edi-1], 0 |
250 | pop ecx |
250 | pop ecx |
251 | pop edi |
251 | pop edi |
252 | ; UNICODE name length is 520 bytes, ANSI - 264 |
252 | ; UNICODE name length is 520 bytes, ANSI - 264 |
253 | add edi, 520 |
253 | add edi, 520 |
254 | test bl, 1 |
254 | test bl, 1 |
255 | jnz @f |
255 | jnz @f |
256 | sub edi, 520-264 |
256 | sub edi, 520-264 |
257 | @@: |
257 | @@: |
258 | pop edx eax |
258 | pop edx eax |
259 | jmp .maindir_loop |
259 | jmp .maindir_loop |
260 | .maindir_done: |
260 | .maindir_done: |
261 | pop eax |
261 | pop eax |
262 | mov ebx, [edx+4] |
262 | mov ebx, [edx+4] |
263 | xor eax, eax |
263 | xor eax, eax |
264 | dec ebp |
264 | dec ebp |
265 | js @f |
265 | js @f |
266 | mov al, ERROR_END_OF_FILE |
266 | mov al, ERROR_END_OF_FILE |
267 | @@: |
267 | @@: |
268 | mov [image_of_eax], eax |
268 | mov [image_of_eax], eax |
269 | mov [image_of_ebx], ebx |
269 | mov [image_of_ebx], ebx |
270 | ret |
270 | ret |
271 | ; directory / |
271 | ; directory / |
272 | .rootdir: |
272 | .rootdir: |
273 | cmp dword [ebx], 1 ; read folder? |
273 | cmp dword [ebx], 1 ; read folder? |
274 | jz .readroot |
274 | jz .readroot |
275 | .access_denied: |
275 | .access_denied: |
276 | mov dword [image_of_eax], 10 ; access denied |
276 | mov dword [image_of_eax], 10 ; access denied |
277 | ret |
277 | ret |
278 | 278 | ||
279 | .readroot: |
279 | .readroot: |
280 | ; virtual root folder - special handler |
280 | ; virtual root folder - special handler |
281 | mov esi, virtual_root_query |
281 | mov esi, virtual_root_query |
282 | mov ebp, [ebx+12] |
282 | mov ebp, [ebx+12] |
283 | mov edx, [ebx+16] |
283 | mov edx, [ebx+16] |
284 | ; add edx, std_application_base_address |
284 | ; add edx, std_application_base_address |
285 | push dword [ebx+4] ; first block |
285 | push dword [ebx+4] ; first block |
286 | mov ebx, [ebx+8] ; flags |
286 | mov ebx, [ebx+8] ; flags |
287 | xor eax, eax |
287 | xor eax, eax |
288 | ; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area |
288 | ; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area |
289 | mov edi, edx |
289 | mov edi, edx |
290 | mov ecx, 32/4 |
290 | mov ecx, 32/4 |
291 | rep stosd |
291 | rep stosd |
292 | mov byte [edx], 1 ; version |
292 | mov byte [edx], 1 ; version |
293 | .readroot_loop: |
293 | .readroot_loop: |
294 | cmp dword [esi], eax |
294 | cmp dword [esi], eax |
295 | jz .readroot_done_static |
295 | jz .readroot_done_static |
296 | call dword [esi] |
296 | call dword [esi] |
297 | add esi, 4 |
297 | add esi, 4 |
298 | test eax, eax |
298 | test eax, eax |
299 | jnz @f |
299 | jnz @f |
300 | .readroot_next: |
300 | .readroot_next: |
301 | or ecx, -1 |
301 | or ecx, -1 |
302 | xchg esi, edi |
302 | xchg esi, edi |
303 | repnz scasb |
303 | repnz scasb |
304 | xchg esi, edi |
304 | xchg esi, edi |
305 | jmp .readroot_loop |
305 | jmp .readroot_loop |
306 | @@: |
306 | @@: |
307 | xor eax, eax |
307 | xor eax, eax |
308 | inc dword [edx+8] |
308 | inc dword [edx+8] |
309 | dec dword [esp] |
309 | dec dword [esp] |
310 | jns .readroot_next |
310 | jns .readroot_next |
311 | dec ebp |
311 | dec ebp |
312 | js .readroot_next |
312 | js .readroot_next |
313 | inc dword [edx+4] |
313 | inc dword [edx+4] |
314 | mov dword [edi], 0x10 ; attributes: folder |
314 | mov dword [edi], 0x10 ; attributes: folder |
315 | mov dword [edi+4], ebx ; name type: UNICODE |
315 | mov dword [edi+4], ebx ; name type: UNICODE |
316 | add edi, 8 |
316 | add edi, 8 |
317 | mov ecx, 40/4-2 |
317 | mov ecx, 40/4-2 |
318 | rep stosd |
318 | rep stosd |
319 | push edi |
319 | push edi |
320 | @@: |
320 | @@: |
321 | lodsb |
321 | lodsb |
322 | stosb |
322 | stosb |
323 | test bl, 1 |
323 | test bl, 1 |
324 | jz .ansi |
324 | jz .ansi |
325 | mov byte [edi], 0 |
325 | mov byte [edi], 0 |
326 | inc edi |
326 | inc edi |
327 | .ansi: |
327 | .ansi: |
328 | test eax, eax |
328 | test eax, eax |
329 | jnz @b |
329 | jnz @b |
330 | pop edi |
330 | pop edi |
331 | add edi, 520 |
331 | add edi, 520 |
332 | test bl, 1 |
332 | test bl, 1 |
333 | jnz .readroot_loop |
333 | jnz .readroot_loop |
334 | sub edi, 520-264 |
334 | sub edi, 520-264 |
335 | jmp .readroot_loop |
335 | jmp .readroot_loop |
336 | .readroot_done_static: |
336 | .readroot_done_static: |
337 | mov esi, fs_additional_handlers-8 |
337 | mov esi, fs_additional_handlers-8 |
338 | sub esp, 16 |
338 | sub esp, 16 |
339 | .readroot_ah_loop: |
339 | .readroot_ah_loop: |
340 | add esi, 8 |
340 | add esi, 8 |
341 | cmp dword [esi], 0 |
341 | cmp dword [esi], 0 |
342 | jz .readroot_done |
342 | jz .readroot_done |
343 | xor eax, eax |
343 | xor eax, eax |
344 | .readroot_ah_loop2: |
344 | .readroot_ah_loop2: |
345 | push edi |
345 | push edi |
346 | lea edi, [esp+4] |
346 | lea edi, [esp+4] |
347 | call dword [esi+4] |
347 | call dword [esi+4] |
348 | pop edi |
348 | pop edi |
349 | test eax, eax |
349 | test eax, eax |
350 | jz .readroot_ah_loop |
350 | jz .readroot_ah_loop |
351 | inc dword [edx+8] |
351 | inc dword [edx+8] |
352 | dec dword [esp+16] |
352 | dec dword [esp+16] |
353 | jns .readroot_ah_loop2 |
353 | jns .readroot_ah_loop2 |
354 | dec ebp |
354 | dec ebp |
355 | js .readroot_ah_loop2 |
355 | js .readroot_ah_loop2 |
356 | push eax |
356 | push eax |
357 | xor eax, eax |
357 | xor eax, eax |
358 | inc dword [edx+4] |
358 | inc dword [edx+4] |
359 | mov dword [edi], 0x10 ; attributes: folder |
359 | mov dword [edi], 0x10 ; attributes: folder |
360 | mov dword [edi+4], ebx |
360 | mov dword [edi+4], ebx |
361 | add edi, 8 |
361 | add edi, 8 |
362 | mov ecx, 40/4-2 |
362 | mov ecx, 40/4-2 |
363 | rep stosd |
363 | rep stosd |
364 | push esi edi |
364 | push esi edi |
365 | lea esi, [esp+12] |
365 | lea esi, [esp+12] |
366 | @@: |
366 | @@: |
367 | lodsb |
367 | lodsb |
368 | stosb |
368 | stosb |
369 | test bl, 1 |
369 | test bl, 1 |
370 | jz .ansi3 |
370 | jz .ansi3 |
371 | mov byte [edi], 0 |
371 | mov byte [edi], 0 |
372 | inc edi |
372 | inc edi |
373 | .ansi3: |
373 | .ansi3: |
374 | test al, al |
374 | test al, al |
375 | jnz @b |
375 | jnz @b |
376 | pop edi esi eax |
376 | pop edi esi eax |
377 | add edi, 520 |
377 | add edi, 520 |
378 | test bl, 1 |
378 | test bl, 1 |
379 | jnz .readroot_ah_loop2 |
379 | jnz .readroot_ah_loop2 |
380 | sub edi, 520-264 |
380 | sub edi, 520-264 |
381 | jmp .readroot_ah_loop2 |
381 | jmp .readroot_ah_loop2 |
382 | .readroot_done: |
382 | .readroot_done: |
383 | add esp, 16 |
383 | add esp, 16 |
384 | pop eax |
384 | pop eax |
385 | mov ebx, [edx+4] |
385 | mov ebx, [edx+4] |
386 | xor eax, eax |
386 | xor eax, eax |
387 | dec ebp |
387 | dec ebp |
388 | js @f |
388 | js @f |
389 | mov al, ERROR_END_OF_FILE |
389 | mov al, ERROR_END_OF_FILE |
390 | @@: |
390 | @@: |
391 | mov [image_of_eax], eax |
391 | mov [image_of_eax], eax |
392 | mov [image_of_ebx], ebx |
392 | mov [image_of_ebx], ebx |
393 | ret |
393 | ret |
394 | .notfound_try: |
394 | .notfound_try: |
395 | mov edi, fs_additional_handlers |
395 | mov edi, fs_additional_handlers |
396 | @@: |
396 | @@: |
397 | cmp dword [edi], 0 |
397 | cmp dword [edi], 0 |
398 | jz .notfound |
398 | jz .notfound |
399 | call dword [edi] |
399 | call dword [edi] |
400 | scasd |
400 | scasd |
401 | scasd |
401 | scasd |
402 | jmp @b |
402 | jmp @b |
403 | .notfound: |
403 | .notfound: |
404 | mov dword [image_of_eax], ERROR_FILE_NOT_FOUND |
404 | mov dword [image_of_eax], ERROR_FILE_NOT_FOUND |
405 | and dword [image_of_ebx], 0 |
405 | and dword [image_of_ebx], 0 |
406 | ret |
406 | ret |
407 | 407 | ||
408 | .notfounda: |
408 | .notfounda: |
409 | cmp edi, esp |
409 | cmp edi, esp |
410 | jnz .notfound |
410 | jnz .notfound |
411 | call dword [edi+4] |
411 | call dword [edi+4] |
412 | add esp, 16 |
412 | add esp, 16 |
413 | jmp .notfound |
413 | jmp .notfound |
414 | 414 | ||
415 | .found1: |
415 | .found1: |
416 | pop eax |
416 | pop eax |
417 | cmp byte [esi], 0 |
417 | cmp byte [esi], 0 |
418 | jz .maindir |
418 | jz .maindir |
419 | .found2: |
419 | .found2: |
420 | ; read partition number |
420 | ; read partition number |
421 | xor ecx, ecx |
421 | xor ecx, ecx |
422 | xor eax, eax |
422 | xor eax, eax |
423 | @@: |
423 | @@: |
424 | lodsb |
424 | lodsb |
425 | cmp al, '/' |
425 | cmp al, '/' |
426 | jz .done1 |
426 | jz .done1 |
427 | test al, al |
427 | test al, al |
428 | jz .done1 |
428 | jz .done1 |
429 | sub al, '0' |
429 | sub al, '0' |
430 | cmp al, 9 |
430 | cmp al, 9 |
431 | ja .notfounda |
431 | ja .notfounda |
432 | lea ecx, [ecx*5] |
432 | lea ecx, [ecx*5] |
433 | lea ecx, [ecx*2+eax] |
433 | lea ecx, [ecx*2+eax] |
434 | jmp @b |
434 | jmp @b |
435 | .done1: |
435 | .done1: |
436 | jecxz .notfounda |
436 | jecxz .notfounda |
437 | test al, al |
437 | test al, al |
438 | jnz @f |
438 | jnz @f |
439 | dec esi |
439 | dec esi |
440 | @@: |
440 | @@: |
441 | cmp byte [esi], 0 |
441 | cmp byte [esi], 0 |
442 | jnz @f |
442 | jnz @f |
443 | test ebp, ebp |
443 | test ebp, ebp |
444 | jz @f |
444 | jz @f |
445 | mov esi, ebp |
445 | mov esi, ebp |
446 | xor ebp, ebp |
446 | xor ebp, ebp |
447 | @@: |
447 | @@: |
448 | ; now [edi] contains handler address, ecx - partition number, |
448 | ; now [edi] contains handler address, ecx - partition number, |
449 | ; esi points to ASCIIZ string - rest of name |
449 | ; esi points to ASCIIZ string - rest of name |
450 | jmp dword [edi] |
450 | jmp dword [edi] |
451 | 451 | ||
452 | ; handlers for devices |
452 | ; handlers for devices |
453 | ; in: ecx = 0 => query virtual directory /xxx |
453 | ; in: ecx = 0 => query virtual directory /xxx |
454 | ; in: ecx = partition number |
454 | ; in: ecx = partition number |
455 | ; esi -> relative (for device) name |
455 | ; esi -> relative (for device) name |
456 | ; ebx -> fileinfo |
456 | ; ebx -> fileinfo |
457 | ; ebp = 0 or pointer to rest of name from folder addressed by esi |
457 | ; ebp = 0 or pointer to rest of name from folder addressed by esi |
458 | ; out: [image_of_eax]=image of eax, [image_of_ebx]=image of ebx |
458 | ; out: [image_of_eax]=image of eax, [image_of_ebx]=image of ebx |
459 | 459 | ||
460 | fs_OnRamdisk: |
460 | fs_OnRamdisk: |
461 | cmp ecx, 1 |
461 | cmp ecx, 1 |
462 | jnz file_system_lfn.notfound |
462 | jnz file_system_lfn.notfound |
463 | mov eax, [ebx] |
463 | mov eax, [ebx] |
464 | cmp eax, fs_NumRamdiskServices |
464 | cmp eax, fs_NumRamdiskServices |
465 | jae .not_impl |
465 | jae .not_impl |
466 | mov ecx, [ebx+12] |
466 | mov ecx, [ebx+12] |
467 | mov edx, [ebx+16] |
467 | mov edx, [ebx+16] |
468 | ; add edx, std_application_base_address |
468 | ; add edx, std_application_base_address |
469 | add ebx, 4 |
469 | add ebx, 4 |
470 | call dword [fs_RamdiskServices + eax*4] |
470 | call dword [fs_RamdiskServices + eax*4] |
471 | mov [image_of_eax], eax |
471 | mov [image_of_eax], eax |
472 | mov [image_of_ebx], ebx |
472 | mov [image_of_ebx], ebx |
473 | ret |
473 | ret |
474 | .not_impl: |
474 | .not_impl: |
475 | mov dword [image_of_eax], 2 ; not implemented |
475 | mov dword [image_of_eax], 2 ; not implemented |
476 | ret |
476 | ret |
477 | 477 | ||
478 | fs_NotImplemented: |
478 | fs_NotImplemented: |
479 | mov eax, 2 |
479 | mov eax, 2 |
480 | ret |
480 | ret |
481 | 481 | ||
482 | fs_RamdiskServices: |
482 | fs_RamdiskServices: |
483 | dd fs_RamdiskRead |
483 | dd fs_RamdiskRead |
484 | dd fs_RamdiskReadFolder |
484 | dd fs_RamdiskReadFolder |
485 | dd fs_RamdiskRewrite |
485 | dd fs_RamdiskRewrite |
486 | dd fs_RamdiskWrite |
486 | dd fs_RamdiskWrite |
487 | dd fs_RamdiskSetFileEnd |
487 | dd fs_RamdiskSetFileEnd |
488 | dd fs_RamdiskGetFileInfo |
488 | dd fs_RamdiskGetFileInfo |
489 | dd fs_RamdiskSetFileInfo |
489 | dd fs_RamdiskSetFileInfo |
490 | dd 0 |
490 | dd 0 |
491 | dd fs_RamdiskDelete |
491 | dd fs_RamdiskDelete |
492 | dd fs_RamdiskCreateFolder |
492 | dd fs_RamdiskCreateFolder |
493 | fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4 |
493 | fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4 |
494 | 494 | ||
495 | fs_OnFloppy: |
495 | fs_OnFloppy: |
496 | cmp ecx, 2 |
496 | cmp ecx, 2 |
497 | ja file_system_lfn.notfound |
497 | ja file_system_lfn.notfound |
498 | mov eax, [ebx] |
498 | mov eax, [ebx] |
499 | cmp eax, fs_NumFloppyServices |
499 | cmp eax, fs_NumFloppyServices |
500 | jae fs_OnRamdisk.not_impl |
500 | jae fs_OnRamdisk.not_impl |
501 | call reserve_flp |
501 | call reserve_flp |
502 | mov [flp_number], cl |
502 | mov [flp_number], cl |
503 | mov ecx, [ebx+12] |
503 | mov ecx, [ebx+12] |
504 | mov edx, [ebx+16] |
504 | mov edx, [ebx+16] |
505 | ; add edx, std_application_base_address |
505 | ; add edx, std_application_base_address |
506 | add ebx, 4 |
506 | add ebx, 4 |
507 | call dword [fs_FloppyServices + eax*4] |
507 | call dword [fs_FloppyServices + eax*4] |
508 | and [flp_status], 0 |
508 | and [flp_status], 0 |
509 | mov [image_of_eax], eax |
509 | mov [image_of_eax], eax |
510 | mov [image_of_ebx], ebx |
510 | mov [image_of_ebx], ebx |
511 | ret |
511 | ret |
512 | 512 | ||
513 | fs_FloppyServices: |
513 | fs_FloppyServices: |
514 | dd fs_FloppyRead |
514 | dd fs_FloppyRead |
515 | dd fs_FloppyReadFolder |
515 | dd fs_FloppyReadFolder |
516 | dd fs_FloppyRewrite |
516 | dd fs_FloppyRewrite |
517 | dd fs_FloppyWrite |
517 | dd fs_FloppyWrite |
518 | dd fs_FloppySetFileEnd |
518 | dd fs_FloppySetFileEnd |
519 | dd fs_FloppyGetFileInfo |
519 | dd fs_FloppyGetFileInfo |
520 | dd fs_FloppySetFileInfo |
520 | dd fs_FloppySetFileInfo |
521 | dd 0 |
521 | dd 0 |
522 | dd fs_FloppyDelete |
522 | dd fs_FloppyDelete |
523 | dd fs_FloppyCreateFolder |
523 | dd fs_FloppyCreateFolder |
524 | fs_NumFloppyServices = ($ - fs_FloppyServices)/4 |
524 | fs_NumFloppyServices = ($ - fs_FloppyServices)/4 |
525 | 525 | ||
526 | fs_OnHd0: |
526 | fs_OnHd0: |
527 | call reserve_hd1 |
527 | call reserve_hd1 |
528 | mov [hdbase], 0x1F0 |
528 | mov [hdbase], 0x1F0 |
529 | mov [hdid], 0 |
529 | mov [hdid], 0 |
530 | push 1 |
530 | push 1 |
531 | jmp fs_OnHd |
531 | jmp fs_OnHd |
532 | fs_OnHd1: |
532 | fs_OnHd1: |
533 | call reserve_hd1 |
533 | call reserve_hd1 |
534 | mov [hdbase], 0x1F0 |
534 | mov [hdbase], 0x1F0 |
535 | mov [hdid], 0x10 |
535 | mov [hdid], 0x10 |
536 | push 2 |
536 | push 2 |
537 | jmp fs_OnHd |
537 | jmp fs_OnHd |
538 | fs_OnHd2: |
538 | fs_OnHd2: |
539 | call reserve_hd1 |
539 | call reserve_hd1 |
540 | mov [hdbase], 0x170 |
540 | mov [hdbase], 0x170 |
541 | mov [hdid], 0 |
541 | mov [hdid], 0 |
542 | push 3 |
542 | push 3 |
543 | jmp fs_OnHd |
543 | jmp fs_OnHd |
544 | fs_OnHd3: |
544 | fs_OnHd3: |
545 | call reserve_hd1 |
545 | call reserve_hd1 |
546 | mov [hdbase], 0x170 |
546 | mov [hdbase], 0x170 |
547 | mov [hdid], 0x10 |
547 | mov [hdid], 0x10 |
548 | push 4 |
548 | push 4 |
549 | fs_OnHd: |
549 | fs_OnHd: |
550 | call reserve_hd_channel |
550 | call reserve_hd_channel |
551 | pop eax |
551 | pop eax |
552 | mov [hdpos], eax |
552 | mov [hdpos], eax |
553 | cmp ecx, 0x100 |
553 | cmp ecx, 0x100 |
554 | jae fs_OnHdAndBd.nf |
554 | jae fs_OnHdAndBd.nf |
555 | cmp cl, [DRIVE_DATA+1+eax] |
555 | cmp cl, [DRIVE_DATA+1+eax] |
556 | fs_OnHdAndBd: |
556 | fs_OnHdAndBd: |
557 | jbe @f |
557 | jbe @f |
558 | .nf: |
558 | .nf: |
559 | call free_hd_channel |
559 | call free_hd_channel |
560 | and [hd1_status], 0 |
560 | and [hd1_status], 0 |
561 | mov dword [image_of_eax], 5 ; not found |
561 | mov dword [image_of_eax], 5 ; not found |
562 | ret |
562 | ret |
563 | @@: |
563 | @@: |
564 | mov [known_part], ecx ; mov [fat32part], ecx |
564 | mov [known_part], ecx ; mov [fat32part], ecx |
565 | push ebx esi |
565 | push ebx esi |
566 | call choice_necessity_partition_1 |
566 | call choice_necessity_partition_1 |
567 | pop esi ebx |
567 | pop esi ebx |
568 | mov ecx, [ebx+12] |
568 | mov ecx, [ebx+12] |
569 | mov edx, [ebx+16] |
569 | mov edx, [ebx+16] |
570 | ; add edx, std_application_base_address |
570 | ; add edx, std_application_base_address |
571 | mov eax, [ebx] |
571 | mov eax, [ebx] |
572 | cmp eax, fs_NumHdServices |
572 | cmp eax, fs_NumHdServices |
573 | jae .not_impl |
573 | jae .not_impl |
574 | add ebx, 4 |
574 | add ebx, 4 |
575 | call dword [fs_HdServices + eax*4] |
575 | call dword [fs_HdServices + eax*4] |
576 | call free_hd_channel |
576 | call free_hd_channel |
577 | and [hd1_status], 0 |
577 | and [hd1_status], 0 |
578 | mov [image_of_eax], eax |
578 | mov [image_of_eax], eax |
579 | mov [image_of_ebx], ebx |
579 | mov [image_of_ebx], ebx |
580 | ret |
580 | ret |
581 | .not_impl: |
581 | .not_impl: |
582 | call free_hd_channel |
582 | call free_hd_channel |
583 | and [hd1_status], 0 |
583 | and [hd1_status], 0 |
584 | mov dword [image_of_eax], 2 ; not implemented |
584 | mov dword [image_of_eax], 2 ; not implemented |
585 | ret |
585 | ret |
586 | 586 | ||
587 | fs_HdServices: |
587 | fs_HdServices: |
588 | dd fs_HdRead |
588 | dd fs_HdRead |
589 | dd fs_HdReadFolder |
589 | dd fs_HdReadFolder |
590 | dd fs_HdRewrite |
590 | dd fs_HdRewrite |
591 | dd fs_HdWrite |
591 | dd fs_HdWrite |
592 | dd fs_HdSetFileEnd |
592 | dd fs_HdSetFileEnd |
593 | dd fs_HdGetFileInfo |
593 | dd fs_HdGetFileInfo |
594 | dd fs_HdSetFileInfo |
594 | dd fs_HdSetFileInfo |
595 | dd 0 |
595 | dd 0 |
596 | dd fs_HdDelete |
596 | dd fs_HdDelete |
597 | dd fs_HdCreateFolder |
597 | dd fs_HdCreateFolder |
598 | fs_NumHdServices = ($ - fs_HdServices)/4 |
598 | fs_NumHdServices = ($ - fs_HdServices)/4 |
599 | 599 | ||
600 | ;******************************************************* |
600 | ;******************************************************* |
601 | fs_OnCd0: |
601 | fs_OnCd0: |
602 | call reserve_cd |
602 | call reserve_cd |
603 | mov [ChannelNumber], 1 |
603 | mov [ChannelNumber], 1 |
604 | mov [DiskNumber], 0 |
604 | mov [DiskNumber], 0 |
605 | push 6 |
605 | push 6 |
606 | push 1 |
606 | push 1 |
607 | jmp fs_OnCd |
607 | jmp fs_OnCd |
608 | fs_OnCd1: |
608 | fs_OnCd1: |
609 | call reserve_cd |
609 | call reserve_cd |
610 | mov [ChannelNumber], 1 |
610 | mov [ChannelNumber], 1 |
611 | mov [DiskNumber], 1 |
611 | mov [DiskNumber], 1 |
612 | push 4 |
612 | push 4 |
613 | push 2 |
613 | push 2 |
614 | jmp fs_OnCd |
614 | jmp fs_OnCd |
615 | fs_OnCd2: |
615 | fs_OnCd2: |
616 | call reserve_cd |
616 | call reserve_cd |
617 | mov [ChannelNumber], 2 |
617 | mov [ChannelNumber], 2 |
618 | mov [DiskNumber], 0 |
618 | mov [DiskNumber], 0 |
619 | push 2 |
619 | push 2 |
620 | push 3 |
620 | push 3 |
621 | jmp fs_OnCd |
621 | jmp fs_OnCd |
622 | fs_OnCd3: |
622 | fs_OnCd3: |
623 | call reserve_cd |
623 | call reserve_cd |
624 | mov [ChannelNumber], 2 |
624 | mov [ChannelNumber], 2 |
625 | mov [DiskNumber], 1 |
625 | mov [DiskNumber], 1 |
626 | push 0 |
626 | push 0 |
627 | push 4 |
627 | push 4 |
628 | fs_OnCd: |
628 | fs_OnCd: |
629 | call reserve_cd_channel |
629 | call reserve_cd_channel |
630 | pop eax |
630 | pop eax |
631 | mov [cdpos], eax |
631 | mov [cdpos], eax |
632 | pop eax |
632 | pop eax |
633 | cmp ecx, 0x100 |
633 | cmp ecx, 0x100 |
634 | jae .nf |
634 | jae .nf |
635 | push ecx ebx |
635 | push ecx ebx |
636 | mov cl, al |
636 | mov cl, al |
637 | mov bl, [DRIVE_DATA+1] |
637 | mov bl, [DRIVE_DATA+1] |
638 | shr bl, cl |
638 | shr bl, cl |
639 | test bl, 2 |
639 | test bl, 2 |
640 | pop ebx ecx |
640 | pop ebx ecx |
641 | 641 | ||
642 | jnz @f |
642 | jnz @f |
643 | .nf: |
643 | .nf: |
644 | call free_cd_channel |
644 | call free_cd_channel |
645 | and [cd_status], 0 |
645 | and [cd_status], 0 |
646 | mov dword [image_of_eax], 5 ; not found |
646 | mov dword [image_of_eax], 5 ; not found |
647 | ret |
647 | ret |
648 | @@: |
648 | @@: |
649 | mov ecx, [ebx+12] |
649 | mov ecx, [ebx+12] |
650 | mov edx, [ebx+16] |
650 | mov edx, [ebx+16] |
651 | ; add edx, std_application_base_address |
651 | ; add edx, std_application_base_address |
652 | mov eax, [ebx] |
652 | mov eax, [ebx] |
653 | cmp eax, fs_NumCdServices |
653 | cmp eax, fs_NumCdServices |
654 | jae .not_impl |
654 | jae .not_impl |
655 | add ebx, 4 |
655 | add ebx, 4 |
656 | call dword [fs_CdServices + eax*4] |
656 | call dword [fs_CdServices + eax*4] |
657 | call free_cd_channel |
657 | call free_cd_channel |
658 | and [cd_status], 0 |
658 | and [cd_status], 0 |
659 | mov [image_of_eax], eax |
659 | mov [image_of_eax], eax |
660 | mov [image_of_ebx], ebx |
660 | mov [image_of_ebx], ebx |
661 | ret |
661 | ret |
662 | .not_impl: |
662 | .not_impl: |
663 | call free_cd_channel |
663 | call free_cd_channel |
664 | and [cd_status], 0 |
664 | and [cd_status], 0 |
665 | mov dword [image_of_eax], 2 ; not implemented |
665 | mov dword [image_of_eax], 2 ; not implemented |
666 | ret |
666 | ret |
667 | 667 | ||
668 | fs_CdServices: |
668 | fs_CdServices: |
669 | dd fs_CdRead |
669 | dd fs_CdRead |
670 | dd fs_CdReadFolder |
670 | dd fs_CdReadFolder |
671 | dd fs_NotImplemented |
671 | dd fs_NotImplemented |
672 | dd fs_NotImplemented |
672 | dd fs_NotImplemented |
673 | dd fs_NotImplemented |
673 | dd fs_NotImplemented |
674 | dd fs_CdGetFileInfo |
674 | dd fs_CdGetFileInfo |
675 | dd fs_NotImplemented |
675 | dd fs_NotImplemented |
676 | dd 0 |
676 | dd 0 |
677 | dd fs_NotImplemented |
677 | dd fs_NotImplemented |
678 | dd fs_NotImplemented |
678 | dd fs_NotImplemented |
679 | fs_NumCdServices = ($ - fs_CdServices)/4 |
679 | fs_NumCdServices = ($ - fs_CdServices)/4 |
680 | 680 | ||
681 | ;******************************************************* |
681 | ;******************************************************* |
682 | 682 | ||
683 | fs_HasRamdisk: |
683 | fs_HasRamdisk: |
684 | mov al, 1 ; we always have ramdisk |
684 | mov al, 1 ; we always have ramdisk |
685 | ret |
685 | ret |
686 | - | ||
687 | fs_HasFloppy: |
686 | fs_HasFloppy: |
688 | cmp byte [DRIVE_DATA], 0 |
687 | cmp byte [DRIVE_DATA], 0 |
689 | setnz al |
688 | setnz al |
690 | ret |
689 | ret |
691 | - | ||
692 | fs_HasHd0: |
690 | fs_HasHd0: |
693 | mov al, [DRIVE_DATA+1] |
691 | test byte [DRIVE_DATA+1], 01000000b |
694 | and al, 11000000b |
- | |
695 | cmp al, 01000000b |
- | |
696 | setz al |
692 | setnz al |
697 | ret |
693 | ret |
698 | fs_HasHd1: |
694 | fs_HasHd1: |
699 | mov al, [DRIVE_DATA+1] |
695 | test byte [DRIVE_DATA+1], 00010000b |
700 | and al, 00110000b |
- | |
701 | cmp al, 00010000b |
- | |
702 | setz al |
696 | setnz al |
703 | ret |
697 | ret |
704 | fs_HasHd2: |
698 | fs_HasHd2: |
705 | mov al, [DRIVE_DATA+1] |
699 | test byte [DRIVE_DATA+1], 00000100b |
706 | and al, 00001100b |
- | |
707 | cmp al, 00000100b |
- | |
708 | setz al |
700 | setnz al |
709 | ret |
701 | ret |
710 | fs_HasHd3: |
702 | fs_HasHd3: |
711 | mov al, [DRIVE_DATA+1] |
703 | test byte [DRIVE_DATA+1], 00000001b |
712 | and al, 00000011b |
- | |
713 | cmp al, 00000001b |
- | |
714 | setz al |
704 | setnz al |
715 | ret |
705 | ret |
716 | 706 | ||
717 | ;******************************************************* |
707 | ;******************************************************* |
718 | fs_HasCd0: |
708 | fs_HasCd0: |
719 | mov al, [DRIVE_DATA+1] |
709 | test byte [DRIVE_DATA+1], 10000000b |
720 | and al, 11000000b |
- | |
721 | cmp al, 10000000b |
- | |
722 | setz al |
710 | setnz al |
723 | ret |
711 | ret |
724 | fs_HasCd1: |
712 | fs_HasCd1: |
725 | mov al, [DRIVE_DATA+1] |
713 | test byte [DRIVE_DATA+1], 00100000b |
726 | and al, 00110000b |
- | |
727 | cmp al, 00100000b |
- | |
728 | setz al |
714 | setnz al |
729 | ret |
715 | ret |
730 | fs_HasCd2: |
716 | fs_HasCd2: |
731 | mov al, [DRIVE_DATA+1] |
717 | test byte [DRIVE_DATA+1], 00001000b |
732 | and al, 00001100b |
- | |
733 | cmp al, 00001000b |
- | |
734 | setz al |
718 | setnz al |
735 | ret |
719 | ret |
736 | fs_HasCd3: |
720 | fs_HasCd3: |
737 | mov al, [DRIVE_DATA+1] |
721 | test byte [DRIVE_DATA+1], 00000010b |
738 | and al, 00000011b |
- | |
739 | cmp al, 00000010b |
- | |
740 | setz al |
722 | setnz al |
741 | ret |
723 | ret |
742 | ;******************************************************* |
724 | ;******************************************************* |
743 | 725 | ||
744 | ; fs_NextXXX functions: |
726 | ; fs_NextXXX functions: |
745 | ; in: eax = partition number, from which start to scan |
727 | ; in: eax = partition number, from which start to scan |
746 | ; out: CF=1 => no more partitions |
728 | ; out: CF=1 => no more partitions |
747 | ; CF=0 => eax=next partition number |
729 | ; CF=0 => eax=next partition number |
748 | 730 | ||
749 | fs_NextRamdisk: |
731 | fs_NextRamdisk: |
750 | ; we always have /rd/1 |
732 | ; we always have /rd/1 |
751 | test eax, eax |
733 | test eax, eax |
752 | stc |
734 | stc |
753 | jnz @f |
735 | jnz @f |
754 | mov al, 1 |
736 | mov al, 1 |
755 | clc |
737 | clc |
756 | @@: |
738 | @@: |
757 | ret |
739 | ret |
758 | 740 | ||
759 | fs_NextFloppy: |
741 | fs_NextFloppy: |
760 | ; we have /fd/1 iff (([DRIVE_DATA] and 0xF0) != 0) and /fd/2 iff (([DRIVE_DATA] and 0x0F) != 0) |
742 | ; we have /fd/1 iff (([DRIVE_DATA] and 0xF0) != 0) and /fd/2 iff (([DRIVE_DATA] and 0x0F) != 0) |
761 | test byte [DRIVE_DATA], 0xF0 |
743 | test byte [DRIVE_DATA], 0xF0 |
762 | jz .no1 |
744 | jz .no1 |
763 | test eax, eax |
745 | test eax, eax |
764 | jnz .no1 |
746 | jnz .no1 |
765 | inc eax |
747 | inc eax |
766 | ret ; CF cleared |
748 | ret ; CF cleared |
767 | .no1: |
749 | .no1: |
768 | test byte [DRIVE_DATA], 0x0F |
750 | test byte [DRIVE_DATA], 0x0F |
769 | jz .no2 |
751 | jz .no2 |
770 | cmp al, 2 |
752 | cmp al, 2 |
771 | jae .no2 |
753 | jae .no2 |
772 | mov al, 2 |
754 | mov al, 2 |
773 | clc |
755 | clc |
774 | ret |
756 | ret |
775 | .no2: |
757 | .no2: |
776 | stc |
758 | stc |
777 | ret |
759 | ret |
778 | 760 | ||
779 | ; on hdx, we have partitions from 1 to [0x40002+x] |
761 | ; on hdx, we have partitions from 1 to [0x40002+x] |
780 | fs_NextHd0: |
762 | fs_NextHd0: |
781 | push 0 |
763 | push 0 |
782 | jmp fs_NextHd |
764 | jmp fs_NextHd |
783 | fs_NextHd1: |
765 | fs_NextHd1: |
784 | push 1 |
766 | push 1 |
785 | jmp fs_NextHd |
767 | jmp fs_NextHd |
786 | fs_NextHd2: |
768 | fs_NextHd2: |
787 | push 2 |
769 | push 2 |
788 | jmp fs_NextHd |
770 | jmp fs_NextHd |
789 | fs_NextHd3: |
771 | fs_NextHd3: |
790 | push 3 |
772 | push 3 |
791 | fs_NextHd: |
773 | fs_NextHd: |
792 | pop ecx |
774 | pop ecx |
793 | movzx ecx, byte [DRIVE_DATA+2+ecx] |
775 | movzx ecx, byte [DRIVE_DATA+2+ecx] |
794 | cmp eax, ecx |
776 | cmp eax, ecx |
795 | jae fs_NextFloppy.no2 |
777 | jae fs_NextFloppy.no2 |
796 | inc eax |
778 | inc eax |
797 | clc |
779 | clc |
798 | ret |
780 | ret |
799 | 781 | ||
800 | ;******************************************************* |
782 | ;******************************************************* |
801 | fs_NextCd: |
783 | fs_NextCd: |
802 | ; we always have /cdX/1 |
784 | ; we always have /cdX/1 |
803 | test eax, eax |
785 | test eax, eax |
804 | stc |
786 | stc |
805 | jnz @f |
787 | jnz @f |
806 | mov al, 1 |
788 | mov al, 1 |
807 | clc |
789 | clc |
808 | @@: |
790 | @@: |
809 | ret |
791 | ret |
810 | ;******************************************************* |
792 | ;******************************************************* |
811 | 793 | ||
812 | ; Additional FS handlers. |
794 | ; Additional FS handlers. |
813 | ; This handler gets the control each time when fn 70 is called |
795 | ; This handler gets the control each time when fn 70 is called |
814 | ; with unknown item of root subdirectory. |
796 | ; with unknown item of root subdirectory. |
815 | ; in: esi -> name |
797 | ; in: esi -> name |
816 | ; ebp = 0 or rest of name relative to esi |
798 | ; ebp = 0 or rest of name relative to esi |
817 | ; out: if the handler processes path, he must not return in file_system_lfn, |
799 | ; out: if the handler processes path, he must not return in file_system_lfn, |
818 | ; but instead pop return address and return directly to the caller |
800 | ; but instead pop return address and return directly to the caller |
819 | ; otherwise simply return |
801 | ; otherwise simply return |
820 | 802 | ||
821 | ; here we test for /bd |
803 | ; here we test for /bd |
822 | biosdisk_handler: |
804 | biosdisk_handler: |
823 | cmp [NumBiosDisks], 0 |
805 | cmp [NumBiosDisks], 0 |
824 | jz .ret |
806 | jz .ret |
825 | mov al, [esi] |
807 | mov al, [esi] |
826 | or al, 20h |
808 | or al, 20h |
827 | cmp al, 'b' |
809 | cmp al, 'b' |
828 | jnz .ret |
810 | jnz .ret |
829 | mov al, [esi+1] |
811 | mov al, [esi+1] |
830 | or al, 20h |
812 | or al, 20h |
831 | cmp al, 'd' |
813 | cmp al, 'd' |
832 | jnz .ret |
814 | jnz .ret |
833 | push esi |
815 | push esi |
834 | inc esi |
816 | inc esi |
835 | inc esi |
817 | inc esi |
836 | cmp byte [esi], '0' |
818 | cmp byte [esi], '0' |
837 | jb .ret2 |
819 | jb .ret2 |
838 | cmp byte [esi], '9' |
820 | cmp byte [esi], '9' |
839 | ja .ret2 |
821 | ja .ret2 |
840 | xor edx, edx |
822 | xor edx, edx |
841 | @@: |
823 | @@: |
842 | lodsb |
824 | lodsb |
843 | test al, al |
825 | test al, al |
844 | jz .ok |
826 | jz .ok |
845 | cmp al, '/' |
827 | cmp al, '/' |
846 | jz .ok |
828 | jz .ok |
847 | sub al, '0' |
829 | sub al, '0' |
848 | cmp al, 9 |
830 | cmp al, 9 |
849 | ja .ret2 |
831 | ja .ret2 |
850 | lea edx, [edx*5] |
832 | lea edx, [edx*5] |
851 | lea edx, [edx*2+eax] |
833 | lea edx, [edx*2+eax] |
852 | jmp @b |
834 | jmp @b |
853 | .ret2: |
835 | .ret2: |
854 | pop esi |
836 | pop esi |
855 | .ret: |
837 | .ret: |
856 | ret |
838 | ret |
857 | .ok: |
839 | .ok: |
858 | cmp al, '/' |
840 | cmp al, '/' |
859 | jz @f |
841 | jz @f |
860 | dec esi |
842 | dec esi |
861 | @@: |
843 | @@: |
862 | add dl, 80h |
844 | add dl, 80h |
863 | xor ecx, ecx |
845 | xor ecx, ecx |
864 | @@: |
846 | @@: |
865 | cmp dl, [BiosDisksData+ecx*4] |
847 | cmp dl, [BiosDisksData+ecx*4] |
866 | jz .ok2 |
848 | jz .ok2 |
867 | inc ecx |
849 | inc ecx |
868 | cmp ecx, [NumBiosDisks] |
850 | cmp ecx, [NumBiosDisks] |
869 | jb @b |
851 | jb @b |
870 | jmp .ret2 |
852 | jmp .ret2 |
871 | .ok2: |
853 | .ok2: |
872 | add esp, 8 |
854 | add esp, 8 |
873 | test al, al |
855 | test al, al |
874 | jnz @f |
856 | jnz @f |
875 | mov esi, fs_BdNext |
857 | mov esi, fs_BdNext |
876 | jmp file_system_lfn.maindir_noesi |
858 | jmp file_system_lfn.maindir_noesi |
877 | @@: |
859 | @@: |
878 | push ecx |
860 | push ecx |
879 | push ecx |
861 | push ecx |
880 | push biosdisk_cleanup |
862 | push biosdisk_cleanup |
881 | push fs_OnBd |
863 | push fs_OnBd |
882 | mov edi, esp |
864 | mov edi, esp |
883 | jmp file_system_lfn.found2 |
865 | jmp file_system_lfn.found2 |
884 | 866 | ||
885 | fs_BdNext: |
867 | fs_BdNext: |
886 | cmp eax, [BiosDiskPartitions+ecx*4] |
868 | cmp eax, [BiosDiskPartitions+ecx*4] |
887 | inc eax |
869 | inc eax |
888 | cmc |
870 | cmc |
889 | biosdisk_cleanup: |
871 | biosdisk_cleanup: |
890 | ret |
872 | ret |
891 | 873 | ||
892 | fs_OnBd: |
874 | fs_OnBd: |
893 | pop edx edx edx edx |
875 | pop edx edx edx edx |
894 | ; edx = disk number, ecx = partition number |
876 | ; edx = disk number, ecx = partition number |
895 | ; esi+ebp = name |
877 | ; esi+ebp = name |
896 | call reserve_hd1 |
878 | call reserve_hd1 |
897 | add edx, 0x80 |
879 | add edx, 0x80 |
898 | mov [hdpos], edx |
880 | mov [hdpos], edx |
899 | cmp ecx, [BiosDiskPartitions+(edx-0x80)*4] |
881 | cmp ecx, [BiosDiskPartitions+(edx-0x80)*4] |
900 | jmp fs_OnHdAndBd |
882 | jmp fs_OnHdAndBd |
901 | 883 | ||
902 | ; This handler is called when virtual root is enumerated |
884 | ; This handler is called when virtual root is enumerated |
903 | ; and must return all items which can be handled by this. |
885 | ; and must return all items which can be handled by this. |
904 | ; It is called several times, first time with eax=0 |
886 | ; It is called several times, first time with eax=0 |
905 | ; in: eax = 0 for first call, previously returned value for subsequent calls |
887 | ; in: eax = 0 for first call, previously returned value for subsequent calls |
906 | ; out: eax = 0 => no more items |
888 | ; out: eax = 0 => no more items |
907 | ; eax != 0 => buffer pointed to by edi contains name of item |
889 | ; eax != 0 => buffer pointed to by edi contains name of item |
908 | 890 | ||
909 | ; here we enumerate existing BIOS disks /bd |
891 | ; here we enumerate existing BIOS disks /bd |
910 | biosdisk_enum_root: |
892 | biosdisk_enum_root: |
911 | cmp eax, [NumBiosDisks] |
893 | cmp eax, [NumBiosDisks] |
912 | jae .end |
894 | jae .end |
913 | push eax |
895 | push eax |
914 | movzx eax, byte [BiosDisksData+eax*4] |
896 | movzx eax, byte [BiosDisksData+eax*4] |
915 | sub al, 80h |
897 | sub al, 80h |
916 | push eax |
898 | push eax |
917 | mov al, 'b' |
899 | mov al, 'b' |
918 | stosb |
900 | stosb |
919 | mov al, 'd' |
901 | mov al, 'd' |
920 | stosb |
902 | stosb |
921 | pop eax |
903 | pop eax |
922 | cmp al, 10 |
904 | cmp al, 10 |
923 | jae .big |
905 | jae .big |
924 | add al, '0' |
906 | add al, '0' |
925 | stosb |
907 | stosb |
926 | mov byte [edi], 0 |
908 | mov byte [edi], 0 |
927 | pop eax |
909 | pop eax |
928 | inc eax |
910 | inc eax |
929 | ret |
911 | ret |
930 | .end: |
912 | .end: |
931 | xor eax, eax |
913 | xor eax, eax |
932 | ret |
914 | ret |
933 | .big: |
915 | .big: |
934 | push ecx edx |
916 | push ecx edx |
935 | push -'0' |
917 | push -'0' |
936 | mov ecx, 10 |
918 | mov ecx, 10 |
937 | @@: |
919 | @@: |
938 | xor edx, edx |
920 | xor edx, edx |
939 | div ecx |
921 | div ecx |
940 | push edx |
922 | push edx |
941 | test eax, eax |
923 | test eax, eax |
942 | jnz @b |
924 | jnz @b |
943 | xchg eax, edx |
925 | xchg eax, edx |
944 | @@: |
926 | @@: |
945 | pop eax |
927 | pop eax |
946 | add al, '0' |
928 | add al, '0' |
947 | stosb |
929 | stosb |
948 | jnz @b |
930 | jnz @b |
949 | pop edx ecx |
931 | pop edx ecx |
950 | pop eax |
932 | pop eax |
951 | inc eax |
933 | inc eax |
952 | ret |
934 | ret |
953 | 935 | ||
954 | process_replace_file_name: |
936 | process_replace_file_name: |
955 | mov ebp, [full_file_name_table] |
937 | mov ebp, [full_file_name_table] |
956 | mov edi, [full_file_name_table.size] |
938 | mov edi, [full_file_name_table.size] |
957 | dec edi |
939 | dec edi |
958 | shl edi, 7 |
940 | shl edi, 7 |
959 | add edi, ebp |
941 | add edi, ebp |
960 | .loop: |
942 | .loop: |
961 | cmp edi, ebp |
943 | cmp edi, ebp |
962 | jb .notfound |
944 | jb .notfound |
963 | push esi edi |
945 | push esi edi |
964 | @@: |
946 | @@: |
965 | cmp byte [edi], 0 |
947 | cmp byte [edi], 0 |
966 | jz .dest_done |
948 | jz .dest_done |
967 | lodsb |
949 | lodsb |
968 | test al, al |
950 | test al, al |
969 | jz .cont |
951 | jz .cont |
970 | or al, 20h |
952 | or al, 20h |
971 | scasb |
953 | scasb |
972 | jz @b |
954 | jz @b |
973 | jmp .cont |
955 | jmp .cont |
974 | .dest_done: |
956 | .dest_done: |
975 | cmp byte [esi], 0 |
957 | cmp byte [esi], 0 |
976 | jz .found |
958 | jz .found |
977 | cmp byte [esi], '/' |
959 | cmp byte [esi], '/' |
978 | jnz .cont |
960 | jnz .cont |
979 | inc esi |
961 | inc esi |
980 | jmp .found |
962 | jmp .found |
981 | .cont: |
963 | .cont: |
982 | pop edi esi |
964 | pop edi esi |
983 | sub edi, 128 |
965 | sub edi, 128 |
984 | jmp .loop |
966 | jmp .loop |
985 | .found: |
967 | .found: |
986 | pop edi eax |
968 | pop edi eax |
987 | mov ebp, esi |
969 | mov ebp, esi |
988 | cmp byte [esi], 0 |
970 | cmp byte [esi], 0 |
989 | lea esi, [edi+64] |
971 | lea esi, [edi+64] |
990 | jnz .ret |
972 | jnz .ret |
991 | .notfound: |
973 | .notfound: |
992 | xor ebp, ebp |
974 | xor ebp, ebp |
993 | .ret: |
975 | .ret: |
994 | ret |
976 | ret |
995 | 977 | ||
996 | sys_current_directory: |
978 | sys_current_directory: |
997 | ; mov esi, [current_slot] |
979 | ; mov esi, [current_slot] |
998 | ; mov esi, [esi+APPDATA.cur_dir] |
980 | ; mov esi, [esi+APPDATA.cur_dir] |
999 | ; mov edx, esi |
981 | ; mov edx, esi |
1000 | 982 | ||
1001 | ;get length string of appdata.cur_dir |
983 | ;get length string of appdata.cur_dir |
1002 | mov eax, [current_slot] |
984 | mov eax, [current_slot] |
1003 | mov edi, [eax+APPDATA.cur_dir] |
985 | mov edi, [eax+APPDATA.cur_dir] |
1004 | 986 | ||
1005 | dec ebx |
987 | dec ebx |
1006 | jz .set |
988 | jz .set |
1007 | dec ebx |
989 | dec ebx |
1008 | jz .get |
990 | jz .get |
1009 | ret |
991 | ret |
1010 | .get: |
992 | .get: |
1011 | ; sysfunction 30.2: [for app] eax=30,ebx=2,ecx->buffer,edx=len |
993 | ; sysfunction 30.2: [for app] eax=30,ebx=2,ecx->buffer,edx=len |
1012 | ; for our code: ebx->buffer,ecx=len |
994 | ; for our code: ebx->buffer,ecx=len |
1013 | max_cur_dir equ 0x1000 |
995 | max_cur_dir equ 0x1000 |
1014 | 996 | ||
1015 | mov ebx, edi |
997 | mov ebx, edi |
1016 | 998 | ||
1017 | push ecx |
999 | push ecx |
1018 | push edi |
1000 | push edi |
1019 | 1001 | ||
1020 | xor eax, eax |
1002 | xor eax, eax |
1021 | mov ecx, max_cur_dir |
1003 | mov ecx, max_cur_dir |
1022 | 1004 | ||
1023 | repne scasb ;find zerro at and string |
1005 | repne scasb ;find zerro at and string |
1024 | jnz .error ; no zero in cur_dir: internal error, should not happen |
1006 | jnz .error ; no zero in cur_dir: internal error, should not happen |
1025 | 1007 | ||
1026 | sub edi, ebx ;lenght for copy |
1008 | sub edi, ebx ;lenght for copy |
1027 | inc edi |
1009 | inc edi |
1028 | mov [esp+32+8], edi ;return in eax |
1010 | mov [esp+32+8], edi ;return in eax |
1029 | 1011 | ||
1030 | cmp edx, edi |
1012 | cmp edx, edi |
1031 | jbe @f |
1013 | jbe @f |
1032 | mov edx, edi |
1014 | mov edx, edi |
1033 | @@: |
1015 | @@: |
1034 | ;source string |
1016 | ;source string |
1035 | pop esi |
1017 | pop esi |
1036 | ;destination string |
1018 | ;destination string |
1037 | pop edi |
1019 | pop edi |
1038 | cmp edx, 1 |
1020 | cmp edx, 1 |
1039 | jbe .ret |
1021 | jbe .ret |
1040 | 1022 | ||
1041 | mov al, '/' ;start string with '/' |
1023 | mov al, '/' ;start string with '/' |
1042 | stosb |
1024 | stosb |
1043 | mov ecx, edx |
1025 | mov ecx, edx |
1044 | rep movsb ;copy string |
1026 | rep movsb ;copy string |
1045 | .ret: |
1027 | .ret: |
1046 | ret |
1028 | ret |
1047 | 1029 | ||
1048 | .error: |
1030 | .error: |
1049 | add esp, 8 |
1031 | add esp, 8 |
1050 | or dword [esp+32], -1 ;error not found zerro at string ->[eax+APPDATA.cur_dir] |
1032 | or dword [esp+32], -1 ;error not found zerro at string ->[eax+APPDATA.cur_dir] |
1051 | ret |
1033 | ret |
1052 | .set: |
1034 | .set: |
1053 | ; sysfunction 30.1: [for app] eax=30,ebx=1,ecx->string |
1035 | ; sysfunction 30.1: [for app] eax=30,ebx=1,ecx->string |
1054 | ; for our code: ebx->string to set |
1036 | ; for our code: ebx->string to set |
1055 | ; use generic resolver with APPDATA.cur_dir as destination |
1037 | ; use generic resolver with APPDATA.cur_dir as destination |
1056 | push max_cur_dir ;0x1000 |
1038 | push max_cur_dir ;0x1000 |
1057 | push edi ;destination |
1039 | push edi ;destination |
1058 | mov ebx, ecx |
1040 | mov ebx, ecx |
1059 | call get_full_file_name |
1041 | call get_full_file_name |
1060 | ret |
1042 | ret |
1061 | 1043 | ||
1062 | ; in: ebx = file name, [esp+4] = destination, [esp+8] = sizeof destination |
1044 | ; in: ebx = file name, [esp+4] = destination, [esp+8] = sizeof destination |
1063 | ; destroys all registers except ebp,esp |
1045 | ; destroys all registers except ebp,esp |
1064 | get_full_file_name: |
1046 | get_full_file_name: |
1065 | push ebp |
1047 | push ebp |
1066 | mov esi, [current_slot] |
1048 | mov esi, [current_slot] |
1067 | mov esi, [esi+APPDATA.cur_dir] |
1049 | mov esi, [esi+APPDATA.cur_dir] |
1068 | mov edx, esi |
1050 | mov edx, esi |
1069 | @@: |
1051 | @@: |
1070 | inc esi |
1052 | inc esi |
1071 | cmp byte [esi-1], 0 |
1053 | cmp byte [esi-1], 0 |
1072 | jnz @b |
1054 | jnz @b |
1073 | dec esi |
1055 | dec esi |
1074 | cmp byte [ebx], '/' |
1056 | cmp byte [ebx], '/' |
1075 | jz .set_absolute |
1057 | jz .set_absolute |
1076 | ; string gives relative path |
1058 | ; string gives relative path |
1077 | mov edi, [esp+8] ; destination |
1059 | mov edi, [esp+8] ; destination |
1078 | .relative: |
1060 | .relative: |
1079 | cmp byte [ebx], 0 |
1061 | cmp byte [ebx], 0 |
1080 | jz .set_ok |
1062 | jz .set_ok |
1081 | cmp word [ebx], '.' |
1063 | cmp word [ebx], '.' |
1082 | jz .set_ok |
1064 | jz .set_ok |
1083 | cmp word [ebx], './' |
1065 | cmp word [ebx], './' |
1084 | jnz @f |
1066 | jnz @f |
1085 | add ebx, 2 |
1067 | add ebx, 2 |
1086 | jmp .relative |
1068 | jmp .relative |
1087 | @@: |
1069 | @@: |
1088 | cmp word [ebx], '..' |
1070 | cmp word [ebx], '..' |
1089 | jnz .doset_relative |
1071 | jnz .doset_relative |
1090 | cmp byte [ebx+2], 0 |
1072 | cmp byte [ebx+2], 0 |
1091 | jz @f |
1073 | jz @f |
1092 | cmp byte [ebx+2], '/' |
1074 | cmp byte [ebx+2], '/' |
1093 | jnz .doset_relative |
1075 | jnz .doset_relative |
1094 | @@: |
1076 | @@: |
1095 | dec esi |
1077 | dec esi |
1096 | cmp byte [esi], '/' |
1078 | cmp byte [esi], '/' |
1097 | jnz @b |
1079 | jnz @b |
1098 | add ebx, 3 |
1080 | add ebx, 3 |
1099 | jmp .relative |
1081 | jmp .relative |
1100 | .set_ok: |
1082 | .set_ok: |
1101 | cmp edx, edi ; is destination equal to APPDATA.cur_dir? |
1083 | cmp edx, edi ; is destination equal to APPDATA.cur_dir? |
1102 | jz .set_ok.cur_dir |
1084 | jz .set_ok.cur_dir |
1103 | sub esi, edx |
1085 | sub esi, edx |
1104 | cmp esi, [esp+12] |
1086 | cmp esi, [esp+12] |
1105 | jb .set_ok.copy |
1087 | jb .set_ok.copy |
1106 | .fail: |
1088 | .fail: |
1107 | mov byte [edi], 0 |
1089 | mov byte [edi], 0 |
1108 | xor eax, eax ; fail |
1090 | xor eax, eax ; fail |
1109 | pop ebp |
1091 | pop ebp |
1110 | ret 8 |
1092 | ret 8 |
1111 | .set_ok.copy: |
1093 | .set_ok.copy: |
1112 | mov ecx, esi |
1094 | mov ecx, esi |
1113 | mov esi, edx |
1095 | mov esi, edx |
1114 | rep movsb |
1096 | rep movsb |
1115 | mov byte [edi], 0 |
1097 | mov byte [edi], 0 |
1116 | .ret.ok: |
1098 | .ret.ok: |
1117 | mov al, 1 ; ok |
1099 | mov al, 1 ; ok |
1118 | pop ebp |
1100 | pop ebp |
1119 | ret 8 |
1101 | ret 8 |
1120 | .set_ok.cur_dir: |
1102 | .set_ok.cur_dir: |
1121 | mov byte [esi], 0 |
1103 | mov byte [esi], 0 |
1122 | jmp .ret.ok |
1104 | jmp .ret.ok |
1123 | .doset_relative: |
1105 | .doset_relative: |
1124 | cmp edx, edi |
1106 | cmp edx, edi |
1125 | jz .doset_relative.cur_dir |
1107 | jz .doset_relative.cur_dir |
1126 | sub esi, edx |
1108 | sub esi, edx |
1127 | cmp esi, [esp+12] |
1109 | cmp esi, [esp+12] |
1128 | jae .fail |
1110 | jae .fail |
1129 | mov ecx, esi |
1111 | mov ecx, esi |
1130 | mov esi, edx |
1112 | mov esi, edx |
1131 | mov edx, edi |
1113 | mov edx, edi |
1132 | rep movsb |
1114 | rep movsb |
1133 | jmp .doset_relative.copy |
1115 | jmp .doset_relative.copy |
1134 | .doset_relative.cur_dir: |
1116 | .doset_relative.cur_dir: |
1135 | mov edi, esi |
1117 | mov edi, esi |
1136 | .doset_relative.copy: |
1118 | .doset_relative.copy: |
1137 | add edx, [esp+12] |
1119 | add edx, [esp+12] |
1138 | mov byte [edi], '/' |
1120 | mov byte [edi], '/' |
1139 | inc edi |
1121 | inc edi |
1140 | cmp edi, edx |
1122 | cmp edi, edx |
1141 | jae .overflow |
1123 | jae .overflow |
1142 | @@: |
1124 | @@: |
1143 | mov al, [ebx] |
1125 | mov al, [ebx] |
1144 | inc ebx |
1126 | inc ebx |
1145 | stosb |
1127 | stosb |
1146 | test al, al |
1128 | test al, al |
1147 | jz .ret.ok |
1129 | jz .ret.ok |
1148 | cmp edi, edx |
1130 | cmp edi, edx |
1149 | jb @b |
1131 | jb @b |
1150 | .overflow: |
1132 | .overflow: |
1151 | dec edi |
1133 | dec edi |
1152 | jmp .fail |
1134 | jmp .fail |
1153 | .set_absolute: |
1135 | .set_absolute: |
1154 | lea esi, [ebx+1] |
1136 | lea esi, [ebx+1] |
1155 | call process_replace_file_name |
1137 | call process_replace_file_name |
1156 | mov edi, [esp+8] |
1138 | mov edi, [esp+8] |
1157 | mov edx, [esp+12] |
1139 | mov edx, [esp+12] |
1158 | add edx, edi |
1140 | add edx, edi |
1159 | .set_copy: |
1141 | .set_copy: |
1160 | lodsb |
1142 | lodsb |
1161 | stosb |
1143 | stosb |
1162 | test al, al |
1144 | test al, al |
1163 | jz .set_part2 |
1145 | jz .set_part2 |
1164 | .set_copy_cont: |
1146 | .set_copy_cont: |
1165 | cmp edi, edx |
1147 | cmp edi, edx |
1166 | jb .set_copy |
1148 | jb .set_copy |
1167 | jmp .overflow |
1149 | jmp .overflow |
1168 | .set_part2: |
1150 | .set_part2: |
1169 | mov esi, ebp |
1151 | mov esi, ebp |
1170 | xor ebp, ebp |
1152 | xor ebp, ebp |
1171 | test esi, esi |
1153 | test esi, esi |
1172 | jz .ret.ok |
1154 | jz .ret.ok |
1173 | mov byte [edi-1], '/' |
1155 | mov byte [edi-1], '/' |
1174 | jmp .set_copy_cont |
1156 | jmp .set_copy_cont |