Rev 2486 | Rev 2500 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 2486 | Rev 2489 | ||
---|---|---|---|
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. 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: 2486 $ |
8 | $Revision: 2489 $ |
9 | 9 | ||
10 | 10 | ||
11 | DRV_COMPAT equ 5 ;minimal required drivers version |
11 | DRV_COMPAT equ 5 ;minimal required drivers version |
12 | DRV_CURRENT equ 6 ;current drivers model version |
12 | DRV_CURRENT equ 6 ;current drivers model version |
13 | 13 | ||
14 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
14 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
15 | PID_KERNEL equ 1 ;os_idle thread |
15 | PID_KERNEL equ 1 ;os_idle thread |
16 | 16 | ||
17 | 17 | ||
18 | 18 | ||
19 | align 4 |
19 | align 4 |
20 | proc get_notify stdcall, p_ev:dword |
20 | proc get_notify stdcall, p_ev:dword |
21 | 21 | ||
22 | .wait: |
22 | .wait: |
23 | mov ebx, [current_slot] |
23 | mov ebx, [current_slot] |
24 | test dword [ebx+APPDATA.event_mask], EVENT_NOTIFY |
24 | test dword [ebx+APPDATA.event_mask], EVENT_NOTIFY |
25 | jz @f |
25 | jz @f |
26 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
26 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
27 | mov edi, [p_ev] |
27 | mov edi, [p_ev] |
28 | mov dword [edi], EV_INTR |
28 | mov dword [edi], EV_INTR |
29 | mov eax, [ebx+APPDATA.event] |
29 | mov eax, [ebx+APPDATA.event] |
30 | mov dword [edi+4], eax |
30 | mov dword [edi+4], eax |
31 | ret |
31 | ret |
32 | @@: |
32 | @@: |
33 | call change_task |
33 | call change_task |
34 | jmp .wait |
34 | jmp .wait |
35 | endp |
35 | endp |
36 | 36 | ||
37 | align 4 |
37 | align 4 |
38 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
38 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
39 | push ebx |
39 | push ebx |
40 | xor eax, eax |
40 | xor eax, eax |
41 | xor ebx, ebx |
41 | xor ebx, ebx |
42 | mov ah, byte [bus] |
42 | mov ah, byte [bus] |
43 | mov al, 6 |
43 | mov al, 6 |
44 | mov bh, byte [devfn] |
44 | mov bh, byte [devfn] |
45 | mov bl, byte [reg] |
45 | mov bl, byte [reg] |
46 | call pci_read_reg |
46 | call pci_read_reg |
47 | pop ebx |
47 | pop ebx |
48 | ret |
48 | ret |
49 | endp |
49 | endp |
50 | 50 | ||
51 | align 4 |
51 | align 4 |
52 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
52 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
53 | push ebx |
53 | push ebx |
54 | xor eax, eax |
54 | xor eax, eax |
55 | xor ebx, ebx |
55 | xor ebx, ebx |
56 | mov ah, byte [bus] |
56 | mov ah, byte [bus] |
57 | mov al, 5 |
57 | mov al, 5 |
58 | mov bh, byte [devfn] |
58 | mov bh, byte [devfn] |
59 | mov bl, byte [reg] |
59 | mov bl, byte [reg] |
60 | call pci_read_reg |
60 | call pci_read_reg |
61 | pop ebx |
61 | pop ebx |
62 | ret |
62 | ret |
63 | endp |
63 | endp |
64 | 64 | ||
65 | align 4 |
65 | align 4 |
66 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
66 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
67 | push ebx |
67 | push ebx |
68 | xor eax, eax |
68 | xor eax, eax |
69 | xor ebx, ebx |
69 | xor ebx, ebx |
70 | mov ah, byte [bus] |
70 | mov ah, byte [bus] |
71 | mov al, 4 |
71 | mov al, 4 |
72 | mov bh, byte [devfn] |
72 | mov bh, byte [devfn] |
73 | mov bl, byte [reg] |
73 | mov bl, byte [reg] |
74 | call pci_read_reg |
74 | call pci_read_reg |
75 | pop ebx |
75 | pop ebx |
76 | ret |
76 | ret |
77 | endp |
77 | endp |
78 | 78 | ||
79 | align 4 |
79 | align 4 |
80 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
80 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
81 | push ebx |
81 | push ebx |
82 | xor eax, eax |
82 | xor eax, eax |
83 | xor ebx, ebx |
83 | xor ebx, ebx |
84 | mov ah, byte [bus] |
84 | mov ah, byte [bus] |
85 | mov al, 8 |
85 | mov al, 8 |
86 | mov bh, byte [devfn] |
86 | mov bh, byte [devfn] |
87 | mov bl, byte [reg] |
87 | mov bl, byte [reg] |
88 | mov ecx, [val] |
88 | mov ecx, [val] |
89 | call pci_write_reg |
89 | call pci_write_reg |
90 | pop ebx |
90 | pop ebx |
91 | ret |
91 | ret |
92 | endp |
92 | endp |
93 | 93 | ||
94 | align 4 |
94 | align 4 |
95 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
95 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
96 | push ebx |
96 | push ebx |
97 | xor eax, eax |
97 | xor eax, eax |
98 | xor ebx, ebx |
98 | xor ebx, ebx |
99 | mov ah, byte [bus] |
99 | mov ah, byte [bus] |
100 | mov al, 9 |
100 | mov al, 9 |
101 | mov bh, byte [devfn] |
101 | mov bh, byte [devfn] |
102 | mov bl, byte [reg] |
102 | mov bl, byte [reg] |
103 | mov ecx, [val] |
103 | mov ecx, [val] |
104 | call pci_write_reg |
104 | call pci_write_reg |
105 | pop ebx |
105 | pop ebx |
106 | ret |
106 | ret |
107 | endp |
107 | endp |
108 | 108 | ||
109 | align 4 |
109 | align 4 |
110 | proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
110 | proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
111 | push ebx |
111 | push ebx |
112 | xor eax, eax |
112 | xor eax, eax |
113 | xor ebx, ebx |
113 | xor ebx, ebx |
114 | mov ah, byte [bus] |
114 | mov ah, byte [bus] |
115 | mov al, 10 |
115 | mov al, 10 |
116 | mov bh, byte [devfn] |
116 | mov bh, byte [devfn] |
117 | mov bl, byte [reg] |
117 | mov bl, byte [reg] |
118 | mov ecx, [val] |
118 | mov ecx, [val] |
119 | call pci_write_reg |
119 | call pci_write_reg |
120 | pop ebx |
120 | pop ebx |
121 | ret |
121 | ret |
122 | endp |
122 | endp |
123 | 123 | ||
124 | handle equ IOCTL.handle |
124 | handle equ IOCTL.handle |
125 | io_code equ IOCTL.io_code |
125 | io_code equ IOCTL.io_code |
126 | input equ IOCTL.input |
126 | input equ IOCTL.input |
127 | inp_size equ IOCTL.inp_size |
127 | inp_size equ IOCTL.inp_size |
128 | output equ IOCTL.output |
128 | output equ IOCTL.output |
129 | out_size equ IOCTL.out_size |
129 | out_size equ IOCTL.out_size |
130 | 130 | ||
131 | 131 | ||
132 | align 4 |
132 | align 4 |
133 | proc srv_handler stdcall, ioctl:dword |
133 | proc srv_handler stdcall, ioctl:dword |
134 | mov esi, [ioctl] |
134 | mov esi, [ioctl] |
135 | test esi, esi |
135 | test esi, esi |
136 | jz .err |
136 | jz .err |
137 | 137 | ||
138 | mov edi, [esi+handle] |
138 | mov edi, [esi+handle] |
139 | cmp [edi+SRV.magic], ' SRV' |
139 | cmp [edi+SRV.magic], ' SRV' |
140 | jne .fail |
140 | jne .fail |
141 | 141 | ||
142 | cmp [edi+SRV.size], sizeof.SRV |
142 | cmp [edi+SRV.size], sizeof.SRV |
143 | jne .fail |
143 | jne .fail |
144 | 144 | ||
145 | stdcall [edi+SRV.srv_proc], esi |
145 | stdcall [edi+SRV.srv_proc], esi |
146 | ret |
146 | ret |
147 | .fail: |
147 | .fail: |
148 | xor eax, eax |
148 | xor eax, eax |
149 | not eax |
149 | not eax |
150 | mov [esi+output], eax |
150 | mov [esi+output], eax |
151 | mov [esi+out_size], 4 |
151 | mov [esi+out_size], 4 |
152 | ret |
152 | ret |
153 | .err: |
153 | .err: |
154 | xor eax, eax |
154 | xor eax, eax |
155 | not eax |
155 | not eax |
156 | ret |
156 | ret |
157 | endp |
157 | endp |
158 | 158 | ||
159 | ; param |
159 | ; param |
160 | ; ecx= io_control |
160 | ; ecx= io_control |
161 | ; |
161 | ; |
162 | ; retval |
162 | ; retval |
163 | ; eax= error code |
163 | ; eax= error code |
164 | 164 | ||
165 | align 4 |
165 | align 4 |
166 | srv_handlerEx: |
166 | srv_handlerEx: |
167 | cmp ecx, OS_BASE |
167 | cmp ecx, OS_BASE |
168 | jae .fail |
168 | jae .fail |
169 | 169 | ||
170 | mov eax, [ecx+handle] |
170 | mov eax, [ecx+handle] |
171 | cmp [eax+SRV.magic], ' SRV' |
171 | cmp [eax+SRV.magic], ' SRV' |
172 | jne .fail |
172 | jne .fail |
173 | 173 | ||
174 | cmp [eax+SRV.size], sizeof.SRV |
174 | cmp [eax+SRV.size], sizeof.SRV |
175 | jne .fail |
175 | jne .fail |
176 | 176 | ||
177 | stdcall [eax+SRV.srv_proc], ecx |
177 | stdcall [eax+SRV.srv_proc], ecx |
178 | ret |
178 | ret |
179 | .fail: |
179 | .fail: |
180 | or eax, -1 |
180 | or eax, -1 |
181 | ret |
181 | ret |
182 | 182 | ||
183 | restore handle |
183 | restore handle |
184 | restore io_code |
184 | restore io_code |
185 | restore input |
185 | restore input |
186 | restore inp_size |
186 | restore inp_size |
187 | restore output |
187 | restore output |
188 | restore out_size |
188 | restore out_size |
189 | 189 | ||
190 | align 4 |
190 | align 4 |
191 | proc get_service stdcall, sz_name:dword |
191 | proc get_service stdcall, sz_name:dword |
192 | mov eax, [sz_name] |
192 | mov eax, [sz_name] |
193 | test eax, eax |
193 | test eax, eax |
194 | jnz @F |
194 | jnz @F |
195 | ret |
195 | ret |
196 | @@: |
196 | @@: |
197 | mov edx, [srv.fd] |
197 | mov edx, [srv.fd] |
198 | @@: |
198 | @@: |
199 | cmp edx, srv.fd-SRV.fd |
199 | cmp edx, srv.fd-SRV.fd |
200 | je .not_load |
200 | je .not_load |
201 | 201 | ||
202 | stdcall strncmp, edx, [sz_name], 16 |
202 | stdcall strncmp, edx, [sz_name], 16 |
203 | test eax, eax |
203 | test eax, eax |
204 | je .ok |
204 | je .ok |
205 | 205 | ||
206 | mov edx, [edx+SRV.fd] |
206 | mov edx, [edx+SRV.fd] |
207 | jmp @B |
207 | jmp @B |
208 | .not_load: |
208 | .not_load: |
209 | pop ebp |
209 | pop ebp |
210 | jmp load_driver |
210 | jmp load_driver |
211 | .ok: |
211 | .ok: |
212 | mov eax, edx |
212 | mov eax, edx |
213 | ret |
213 | ret |
214 | endp |
214 | endp |
215 | 215 | ||
216 | align 4 |
216 | align 4 |
217 | proc reg_service stdcall, name:dword, handler:dword |
217 | proc reg_service stdcall, name:dword, handler:dword |
218 | 218 | ||
219 | push ebx |
219 | push ebx |
220 | 220 | ||
221 | xor eax, eax |
221 | xor eax, eax |
222 | 222 | ||
223 | cmp [name], eax |
223 | cmp [name], eax |
224 | je .fail |
224 | je .fail |
225 | 225 | ||
226 | cmp [handler], eax |
226 | cmp [handler], eax |
227 | je .fail |
227 | je .fail |
228 | 228 | ||
229 | mov eax, sizeof.SRV |
229 | mov eax, sizeof.SRV |
230 | call malloc |
230 | call malloc |
231 | test eax, eax |
231 | test eax, eax |
232 | jz .fail |
232 | jz .fail |
233 | 233 | ||
234 | push esi |
234 | push esi |
235 | push edi |
235 | push edi |
236 | mov edi, eax |
236 | mov edi, eax |
237 | mov esi, [name] |
237 | mov esi, [name] |
238 | movsd |
238 | movsd |
239 | movsd |
239 | movsd |
240 | movsd |
240 | movsd |
241 | movsd |
241 | movsd |
242 | pop edi |
242 | pop edi |
243 | pop esi |
243 | pop esi |
244 | 244 | ||
245 | mov [eax+SRV.magic], ' SRV' |
245 | mov [eax+SRV.magic], ' SRV' |
246 | mov [eax+SRV.size], sizeof.SRV |
246 | mov [eax+SRV.size], sizeof.SRV |
247 | 247 | ||
248 | mov ebx, srv.fd-SRV.fd |
248 | mov ebx, srv.fd-SRV.fd |
249 | mov edx, [ebx+SRV.fd] |
249 | mov edx, [ebx+SRV.fd] |
250 | mov [eax+SRV.fd], edx |
250 | mov [eax+SRV.fd], edx |
251 | mov [eax+SRV.bk], ebx |
251 | mov [eax+SRV.bk], ebx |
252 | mov [ebx+SRV.fd], eax |
252 | mov [ebx+SRV.fd], eax |
253 | mov [edx+SRV.bk], eax |
253 | mov [edx+SRV.bk], eax |
254 | 254 | ||
255 | mov ecx, [handler] |
255 | mov ecx, [handler] |
256 | mov [eax+SRV.srv_proc], ecx |
256 | mov [eax+SRV.srv_proc], ecx |
257 | pop ebx |
257 | pop ebx |
258 | ret |
258 | ret |
259 | .fail: |
259 | .fail: |
260 | xor eax, eax |
260 | xor eax, eax |
261 | pop ebx |
261 | pop ebx |
262 | ret |
262 | ret |
263 | endp |
263 | endp |
264 | 264 | ||
265 | align 4 |
265 | align 4 |
266 | proc get_proc stdcall, exp:dword, sz_name:dword |
266 | proc get_proc stdcall, exp:dword, sz_name:dword |
267 | 267 | ||
268 | mov edx, [exp] |
268 | mov edx, [exp] |
269 | .next: |
269 | .next: |
270 | mov eax, [edx] |
270 | mov eax, [edx] |
271 | test eax, eax |
271 | test eax, eax |
272 | jz .end |
272 | jz .end |
273 | 273 | ||
274 | push edx |
274 | push edx |
275 | stdcall strncmp, eax, [sz_name], 16 |
275 | stdcall strncmp, eax, [sz_name], 16 |
276 | pop edx |
276 | pop edx |
277 | test eax, eax |
277 | test eax, eax |
278 | jz .ok |
278 | jz .ok |
279 | 279 | ||
280 | add edx, 8 |
280 | add edx, 8 |
281 | jmp .next |
281 | jmp .next |
282 | .ok: |
282 | .ok: |
283 | mov eax, [edx+4] |
283 | mov eax, [edx+4] |
284 | .end: |
284 | .end: |
285 | ret |
285 | ret |
286 | endp |
286 | endp |
287 | 287 | ||
288 | align 4 |
288 | align 4 |
289 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
289 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
290 | 290 | ||
291 | @@: |
291 | @@: |
292 | stdcall strncmp, [pSym], [sz_sym], 8 |
292 | stdcall strncmp, [pSym], [sz_sym], 8 |
293 | test eax, eax |
293 | test eax, eax |
294 | jz .ok |
294 | jz .ok |
295 | add [pSym], 18 |
295 | add [pSym], 18 |
296 | dec [count] |
296 | dec [count] |
297 | jnz @b |
297 | jnz @b |
298 | xor eax, eax |
298 | xor eax, eax |
299 | ret |
299 | ret |
300 | .ok: |
300 | .ok: |
301 | mov eax, [pSym] |
301 | mov eax, [pSym] |
302 | mov eax, [eax+8] |
302 | mov eax, [eax+8] |
303 | ret |
303 | ret |
304 | endp |
304 | endp |
305 | 305 | ||
306 | align 4 |
306 | align 4 |
307 | proc get_curr_task |
307 | proc get_curr_task |
308 | mov eax, [CURRENT_TASK] |
308 | mov eax, [CURRENT_TASK] |
309 | shl eax, 8 |
309 | shl eax, 8 |
310 | ret |
310 | ret |
311 | endp |
311 | endp |
312 | 312 | ||
313 | align 4 |
313 | align 4 |
314 | proc get_fileinfo stdcall, file_name:dword, info:dword |
314 | proc get_fileinfo stdcall, file_name:dword, info:dword |
315 | locals |
315 | locals |
316 | cmd dd ? |
316 | cmd dd ? |
317 | offset dd ? |
317 | offset dd ? |
318 | dd ? |
318 | dd ? |
319 | count dd ? |
319 | count dd ? |
320 | buff dd ? |
320 | buff dd ? |
321 | db ? |
321 | db ? |
322 | name dd ? |
322 | name dd ? |
323 | endl |
323 | endl |
324 | 324 | ||
325 | xor eax, eax |
325 | xor eax, eax |
326 | mov ebx, [file_name] |
326 | mov ebx, [file_name] |
327 | mov ecx, [info] |
327 | mov ecx, [info] |
328 | 328 | ||
329 | mov [cmd], 5 |
329 | mov [cmd], 5 |
330 | mov [offset], eax |
330 | mov [offset], eax |
331 | mov [offset+4], eax |
331 | mov [offset+4], eax |
332 | mov [count], eax |
332 | mov [count], eax |
333 | mov [buff], ecx |
333 | mov [buff], ecx |
334 | mov byte [buff+4], al |
334 | mov byte [buff+4], al |
335 | mov [name], ebx |
335 | mov [name], ebx |
336 | 336 | ||
337 | mov eax, 70 |
337 | mov eax, 70 |
338 | lea ebx, [cmd] |
338 | lea ebx, [cmd] |
339 | int 0x40 |
339 | int 0x40 |
340 | ret |
340 | ret |
341 | endp |
341 | endp |
342 | 342 | ||
343 | align 4 |
343 | align 4 |
344 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
344 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
345 | bytes:dword |
345 | bytes:dword |
346 | locals |
346 | locals |
347 | cmd dd ? |
347 | cmd dd ? |
348 | offset dd ? |
348 | offset dd ? |
349 | dd ? |
349 | dd ? |
350 | count dd ? |
350 | count dd ? |
351 | buff dd ? |
351 | buff dd ? |
352 | db ? |
352 | db ? |
353 | name dd ? |
353 | name dd ? |
354 | endl |
354 | endl |
355 | 355 | ||
356 | xor eax, eax |
356 | xor eax, eax |
357 | mov ebx, [file_name] |
357 | mov ebx, [file_name] |
358 | mov ecx, [off] |
358 | mov ecx, [off] |
359 | mov edx, [bytes] |
359 | mov edx, [bytes] |
360 | mov esi, [buffer] |
360 | mov esi, [buffer] |
361 | 361 | ||
362 | mov [cmd], eax |
362 | mov [cmd], eax |
363 | mov [offset], ecx |
363 | mov [offset], ecx |
364 | mov [offset+4], eax |
364 | mov [offset+4], eax |
365 | mov [count], edx |
365 | mov [count], edx |
366 | mov [buff], esi |
366 | mov [buff], esi |
367 | mov byte [buff+4], al |
367 | mov byte [buff+4], al |
368 | mov [name], ebx |
368 | mov [name], ebx |
369 | 369 | ||
370 | pushad |
370 | pushad |
371 | lea ebx, [cmd] |
371 | lea ebx, [cmd] |
372 | call file_system_lfn |
372 | call file_system_lfn |
373 | popad |
373 | popad |
374 | ret |
374 | ret |
375 | endp |
375 | endp |
376 | 376 | ||
377 | ; description |
377 | ; description |
378 | ; allocate kernel memory and loads the specified file |
378 | ; allocate kernel memory and loads the specified file |
379 | ; |
379 | ; |
380 | ; param |
380 | ; param |
381 | ; file_name= full path to file |
381 | ; file_name= full path to file |
382 | ; |
382 | ; |
383 | ; retval |
383 | ; retval |
384 | ; eax= file image in kernel memory |
384 | ; eax= file image in kernel memory |
385 | ; ebx= size of file |
385 | ; ebx= size of file |
386 | ; |
386 | ; |
387 | ; warging |
387 | ; warging |
388 | ; You mast call kernel_free() to delete each file |
388 | ; You mast call kernel_free() to delete each file |
389 | ; loaded by the load_file() function |
389 | ; loaded by the load_file() function |
390 | 390 | ||
391 | align 4 |
391 | align 4 |
392 | proc load_file stdcall, file_name:dword |
392 | proc load_file stdcall, file_name:dword |
393 | locals |
393 | locals |
394 | attr dd ? |
394 | attr dd ? |
395 | flags dd ? |
395 | flags dd ? |
396 | cr_time dd ? |
396 | cr_time dd ? |
397 | cr_date dd ? |
397 | cr_date dd ? |
398 | acc_time dd ? |
398 | acc_time dd ? |
399 | acc_date dd ? |
399 | acc_date dd ? |
400 | mod_time dd ? |
400 | mod_time dd ? |
401 | mod_date dd ? |
401 | mod_date dd ? |
402 | file_size dd ? |
402 | file_size dd ? |
403 | 403 | ||
404 | file dd ? |
404 | file dd ? |
405 | file2 dd ? |
405 | file2 dd ? |
406 | endl |
406 | endl |
407 | 407 | ||
408 | push esi |
408 | push esi |
409 | push edi |
409 | push edi |
410 | 410 | ||
411 | lea eax, [attr] |
411 | lea eax, [attr] |
412 | stdcall get_fileinfo, [file_name], eax |
412 | stdcall get_fileinfo, [file_name], eax |
413 | test eax, eax |
413 | test eax, eax |
414 | jnz .fail |
414 | jnz .fail |
415 | 415 | ||
416 | mov eax, [file_size] |
416 | mov eax, [file_size] |
417 | cmp eax, 1024*1024*16 |
417 | cmp eax, 1024*1024*16 |
418 | ja .fail |
418 | ja .fail |
419 | 419 | ||
420 | stdcall kernel_alloc, [file_size] |
420 | stdcall kernel_alloc, [file_size] |
421 | mov [file], eax |
421 | mov [file], eax |
422 | test eax, eax |
422 | test eax, eax |
423 | jz .fail |
423 | jz .fail |
424 | 424 | ||
425 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
425 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
426 | cmp ebx, [file_size] |
426 | cmp ebx, [file_size] |
427 | jne .cleanup |
427 | jne .cleanup |
428 | 428 | ||
429 | mov eax, [file] |
429 | mov eax, [file] |
430 | cmp dword [eax], 0x4B43504B |
430 | cmp dword [eax], 0x4B43504B |
431 | jne .exit |
431 | jne .exit |
432 | mov ebx, [eax+4] |
432 | mov ebx, [eax+4] |
433 | mov [file_size], ebx |
433 | mov [file_size], ebx |
434 | stdcall kernel_alloc, ebx |
434 | stdcall kernel_alloc, ebx |
435 | 435 | ||
436 | test eax, eax |
436 | test eax, eax |
437 | jz .cleanup |
437 | jz .cleanup |
438 | 438 | ||
439 | mov [file2], eax |
439 | mov [file2], eax |
440 | - | ||
441 | push eax |
- | |
442 | .wait_lock: |
- | |
443 | cmp [unpack_mutex], 0 |
- | |
444 | je .get_lock |
- | |
445 | call change_task |
- | |
446 | jmp .wait_lock |
- | |
447 | - | ||
448 | .get_lock: |
- | |
449 | mov eax, 1 |
440 | |
450 | xchg eax, [unpack_mutex] |
- | |
451 | test eax, eax |
441 | mov ecx, unpack_mutex |
452 | jnz .wait_lock |
- | |
453 | pop eax |
442 | call mutex_lock |
454 | 443 | ||
455 | stdcall unpack, [file], eax |
444 | stdcall unpack, [file], eax |
456 | 445 | ||
457 | mov [unpack_mutex], 0 |
446 | call mutex_unlock |
458 | 447 | ||
459 | stdcall kernel_free, [file] |
448 | stdcall kernel_free, [file] |
460 | mov eax, [file2] |
449 | mov eax, [file2] |
461 | mov ebx, [file_size] |
450 | mov ebx, [file_size] |
462 | .exit: |
451 | .exit: |
463 | push eax |
452 | push eax |
464 | lea edi, [eax+ebx] ;cleanup remain space |
453 | lea edi, [eax+ebx] ;cleanup remain space |
465 | mov ecx, 4096 ;from file end |
454 | mov ecx, 4096 ;from file end |
466 | and ebx, 4095 |
455 | and ebx, 4095 |
467 | jz @f |
456 | jz @f |
468 | sub ecx, ebx |
457 | sub ecx, ebx |
469 | xor eax, eax |
458 | xor eax, eax |
470 | cld |
459 | cld |
471 | rep stosb |
460 | rep stosb |
472 | @@: |
461 | @@: |
473 | mov ebx, [file_size] |
462 | mov ebx, [file_size] |
474 | pop eax |
463 | pop eax |
475 | pop edi |
464 | pop edi |
476 | pop esi |
465 | pop esi |
477 | ret |
466 | ret |
478 | .cleanup: |
467 | .cleanup: |
479 | stdcall kernel_free, [file] |
468 | stdcall kernel_free, [file] |
480 | .fail: |
469 | .fail: |
481 | xor eax, eax |
470 | xor eax, eax |
482 | xor ebx, ebx |
471 | xor ebx, ebx |
483 | pop edi |
472 | pop edi |
484 | pop esi |
473 | pop esi |
485 | ret |
474 | ret |
486 | endp |
475 | endp |
487 | 476 | ||
488 | iglobal |
477 | uglobal |
489 | align 4 |
478 | align 4 |
490 | unpack_mutex dd 0 |
479 | unpack_mutex MUTEX |
491 | endg |
480 | endg |
492 | 481 | ||
493 | align 4 |
482 | align 4 |
494 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
483 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
495 | 484 | ||
496 | .look_up: |
485 | .look_up: |
497 | mov edx, [imports] |
486 | mov edx, [imports] |
498 | test edx, edx |
487 | test edx, edx |
499 | jz .end |
488 | jz .end |
500 | mov edx, [edx] |
489 | mov edx, [edx] |
501 | test edx, edx |
490 | test edx, edx |
502 | jz .end |
491 | jz .end |
503 | .next: |
492 | .next: |
504 | mov eax, [edx] |
493 | mov eax, [edx] |
505 | test eax, eax |
494 | test eax, eax |
506 | jz .next_table |
495 | jz .next_table |
507 | 496 | ||
508 | push edx |
497 | push edx |
509 | stdcall strncmp, eax, [proc_name], 256 |
498 | stdcall strncmp, eax, [proc_name], 256 |
510 | pop edx |
499 | pop edx |
511 | test eax, eax |
500 | test eax, eax |
512 | jz .ok |
501 | jz .ok |
513 | 502 | ||
514 | add edx, 8 |
503 | add edx, 8 |
515 | jmp .next |
504 | jmp .next |
516 | .next_table: |
505 | .next_table: |
517 | add [imports], 4 |
506 | add [imports], 4 |
518 | jmp .look_up |
507 | jmp .look_up |
519 | .ok: |
508 | .ok: |
520 | mov eax, [edx+4] |
509 | mov eax, [edx+4] |
521 | ret |
510 | ret |
522 | .end: |
511 | .end: |
523 | xor eax, eax |
512 | xor eax, eax |
524 | ret |
513 | ret |
525 | endp |
514 | endp |
526 | 515 | ||
527 | align 4 |
516 | align 4 |
528 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
517 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
529 | sym_count:dword, strings:dword, imports:dword |
518 | sym_count:dword, strings:dword, imports:dword |
530 | locals |
519 | locals |
531 | retval dd ? |
520 | retval dd ? |
532 | endl |
521 | endl |
533 | 522 | ||
534 | mov edi, [symbols] |
523 | mov edi, [symbols] |
535 | mov [retval], 1 |
524 | mov [retval], 1 |
536 | .fix: |
525 | .fix: |
537 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
526 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
538 | test ebx, ebx |
527 | test ebx, ebx |
539 | jnz .internal |
528 | jnz .internal |
540 | mov eax, dword [edi+COFF_SYM.Name] |
529 | mov eax, dword [edi+COFF_SYM.Name] |
541 | test eax, eax |
530 | test eax, eax |
542 | jnz @F |
531 | jnz @F |
543 | 532 | ||
544 | mov edi, [edi+4] |
533 | mov edi, [edi+4] |
545 | add edi, [strings] |
534 | add edi, [strings] |
546 | @@: |
535 | @@: |
547 | push edi |
536 | push edi |
548 | stdcall get_proc_ex, edi, [imports] |
537 | stdcall get_proc_ex, edi, [imports] |
549 | pop edi |
538 | pop edi |
550 | 539 | ||
551 | xor ebx, ebx |
540 | xor ebx, ebx |
552 | test eax, eax |
541 | test eax, eax |
553 | jnz @F |
542 | jnz @F |
554 | 543 | ||
555 | mov esi, msg_unresolved |
544 | mov esi, msg_unresolved |
556 | call sys_msg_board_str |
545 | call sys_msg_board_str |
557 | mov esi, edi |
546 | mov esi, edi |
558 | call sys_msg_board_str |
547 | call sys_msg_board_str |
559 | mov esi, msg_CR |
548 | mov esi, msg_CR |
560 | call sys_msg_board_str |
549 | call sys_msg_board_str |
561 | 550 | ||
562 | mov [retval], 0 |
551 | mov [retval], 0 |
563 | @@: |
552 | @@: |
564 | mov edi, [symbols] |
553 | mov edi, [symbols] |
565 | mov [edi+COFF_SYM.Value], eax |
554 | mov [edi+COFF_SYM.Value], eax |
566 | jmp .next |
555 | jmp .next |
567 | .internal: |
556 | .internal: |
568 | cmp bx, -1 |
557 | cmp bx, -1 |
569 | je .next |
558 | je .next |
570 | cmp bx, -2 |
559 | cmp bx, -2 |
571 | je .next |
560 | je .next |
572 | 561 | ||
573 | dec ebx |
562 | dec ebx |
574 | shl ebx, 3 |
563 | shl ebx, 3 |
575 | lea ebx, [ebx+ebx*4] |
564 | lea ebx, [ebx+ebx*4] |
576 | add ebx, [sec] |
565 | add ebx, [sec] |
577 | 566 | ||
578 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
567 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
579 | add [edi+COFF_SYM.Value], eax |
568 | add [edi+COFF_SYM.Value], eax |
580 | .next: |
569 | .next: |
581 | add edi, sizeof.COFF_SYM |
570 | add edi, sizeof.COFF_SYM |
582 | mov [symbols], edi |
571 | mov [symbols], edi |
583 | dec [sym_count] |
572 | dec [sym_count] |
584 | jnz .fix |
573 | jnz .fix |
585 | mov eax, [retval] |
574 | mov eax, [retval] |
586 | ret |
575 | ret |
587 | endp |
576 | endp |
588 | 577 | ||
589 | align 4 |
578 | align 4 |
590 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
579 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
591 | delta:dword |
580 | delta:dword |
592 | locals |
581 | locals |
593 | n_sec dd ? |
582 | n_sec dd ? |
594 | endl |
583 | endl |
595 | 584 | ||
596 | mov eax, [coff] |
585 | mov eax, [coff] |
597 | movzx ebx, [eax+COFF_HEADER.nSections] |
586 | movzx ebx, [eax+COFF_HEADER.nSections] |
598 | mov [n_sec], ebx |
587 | mov [n_sec], ebx |
599 | lea esi, [eax+20] |
588 | lea esi, [eax+20] |
600 | .fix_sec: |
589 | .fix_sec: |
601 | mov edi, [esi+COFF_SECTION.PtrReloc] |
590 | mov edi, [esi+COFF_SECTION.PtrReloc] |
602 | add edi, [coff] |
591 | add edi, [coff] |
603 | 592 | ||
604 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
593 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
605 | test ecx, ecx |
594 | test ecx, ecx |
606 | jz .next |
595 | jz .next |
607 | .reloc_loop: |
596 | .reloc_loop: |
608 | mov ebx, [edi+COFF_RELOC.SymIndex] |
597 | mov ebx, [edi+COFF_RELOC.SymIndex] |
609 | add ebx, ebx |
598 | add ebx, ebx |
610 | lea ebx, [ebx+ebx*8] |
599 | lea ebx, [ebx+ebx*8] |
611 | add ebx, [sym] |
600 | add ebx, [sym] |
612 | 601 | ||
613 | mov edx, [ebx+COFF_SYM.Value] |
602 | mov edx, [ebx+COFF_SYM.Value] |
614 | 603 | ||
615 | cmp [edi+COFF_RELOC.Type], 6 |
604 | cmp [edi+COFF_RELOC.Type], 6 |
616 | je .dir_32 |
605 | je .dir_32 |
617 | 606 | ||
618 | cmp [edi+COFF_RELOC.Type], 20 |
607 | cmp [edi+COFF_RELOC.Type], 20 |
619 | jne .next_reloc |
608 | jne .next_reloc |
620 | .rel_32: |
609 | .rel_32: |
621 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
610 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
622 | add eax, [esi+COFF_SECTION.VirtualAddress] |
611 | add eax, [esi+COFF_SECTION.VirtualAddress] |
623 | sub edx, eax |
612 | sub edx, eax |
624 | sub edx, 4 |
613 | sub edx, 4 |
625 | jmp .fix |
614 | jmp .fix |
626 | .dir_32: |
615 | .dir_32: |
627 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
616 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
628 | add eax, [esi+COFF_SECTION.VirtualAddress] |
617 | add eax, [esi+COFF_SECTION.VirtualAddress] |
629 | .fix: |
618 | .fix: |
630 | add eax, [delta] |
619 | add eax, [delta] |
631 | add [eax], edx |
620 | add [eax], edx |
632 | .next_reloc: |
621 | .next_reloc: |
633 | add edi, 10 |
622 | add edi, 10 |
634 | dec ecx |
623 | dec ecx |
635 | jnz .reloc_loop |
624 | jnz .reloc_loop |
636 | .next: |
625 | .next: |
637 | add esi, sizeof.COFF_SECTION |
626 | add esi, sizeof.COFF_SECTION |
638 | dec [n_sec] |
627 | dec [n_sec] |
639 | jnz .fix_sec |
628 | jnz .fix_sec |
640 | .exit: |
629 | .exit: |
641 | ret |
630 | ret |
642 | endp |
631 | endp |
643 | 632 | ||
644 | align 4 |
633 | align 4 |
645 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
634 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
646 | delta:dword |
635 | delta:dword |
647 | locals |
636 | locals |
648 | n_sec dd ? |
637 | n_sec dd ? |
649 | endl |
638 | endl |
650 | 639 | ||
651 | mov eax, [coff] |
640 | mov eax, [coff] |
652 | movzx ebx, [eax+COFF_HEADER.nSections] |
641 | movzx ebx, [eax+COFF_HEADER.nSections] |
653 | mov [n_sec], ebx |
642 | mov [n_sec], ebx |
654 | lea esi, [eax+20] |
643 | lea esi, [eax+20] |
655 | mov edx, [delta] |
644 | mov edx, [delta] |
656 | .fix_sec: |
645 | .fix_sec: |
657 | mov edi, [esi+COFF_SECTION.PtrReloc] |
646 | mov edi, [esi+COFF_SECTION.PtrReloc] |
658 | add edi, [coff] |
647 | add edi, [coff] |
659 | 648 | ||
660 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
649 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
661 | test ecx, ecx |
650 | test ecx, ecx |
662 | jz .next |
651 | jz .next |
663 | .reloc_loop: |
652 | .reloc_loop: |
664 | cmp [edi+COFF_RELOC.Type], 6 |
653 | cmp [edi+COFF_RELOC.Type], 6 |
665 | jne .next_reloc |
654 | jne .next_reloc |
666 | .dir_32: |
655 | .dir_32: |
667 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
656 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
668 | add eax, [esi+COFF_SECTION.VirtualAddress] |
657 | add eax, [esi+COFF_SECTION.VirtualAddress] |
669 | add [eax+edx], edx |
658 | add [eax+edx], edx |
670 | .next_reloc: |
659 | .next_reloc: |
671 | add edi, 10 |
660 | add edi, 10 |
672 | dec ecx |
661 | dec ecx |
673 | jnz .reloc_loop |
662 | jnz .reloc_loop |
674 | .next: |
663 | .next: |
675 | add esi, sizeof.COFF_SECTION |
664 | add esi, sizeof.COFF_SECTION |
676 | dec [n_sec] |
665 | dec [n_sec] |
677 | jnz .fix_sec |
666 | jnz .fix_sec |
678 | .exit: |
667 | .exit: |
679 | ret |
668 | ret |
680 | endp |
669 | endp |
681 | 670 | ||
682 | align 4 |
671 | align 4 |
683 | proc load_driver stdcall, driver_name:dword |
672 | proc load_driver stdcall, driver_name:dword |
684 | locals |
673 | locals |
685 | coff dd ? |
674 | coff dd ? |
686 | sym dd ? |
675 | sym dd ? |
687 | strings dd ? |
676 | strings dd ? |
688 | img_size dd ? |
677 | img_size dd ? |
689 | img_base dd ? |
678 | img_base dd ? |
690 | start dd ? |
679 | start dd ? |
691 | 680 | ||
692 | exports dd ? ;fake exports table |
681 | exports dd ? ;fake exports table |
693 | dd ? |
682 | dd ? |
694 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
683 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
695 | endl |
684 | endl |
696 | 685 | ||
697 | lea edx, [file_name] |
686 | lea edx, [file_name] |
698 | mov dword [edx], '/sys' |
687 | mov dword [edx], '/sys' |
699 | mov dword [edx+4], '/dri' |
688 | mov dword [edx+4], '/dri' |
700 | mov dword [edx+8], 'vers' |
689 | mov dword [edx+8], 'vers' |
701 | mov byte [edx+12], '/' |
690 | mov byte [edx+12], '/' |
702 | mov esi, [driver_name] |
691 | mov esi, [driver_name] |
703 | .redo: |
692 | .redo: |
704 | lea edx, [file_name] |
693 | lea edx, [file_name] |
705 | lea edi, [edx+13] |
694 | lea edi, [edx+13] |
706 | mov ecx, 16 |
695 | mov ecx, 16 |
707 | @@: |
696 | @@: |
708 | lodsb |
697 | lodsb |
709 | test al, al |
698 | test al, al |
710 | jz @f |
699 | jz @f |
711 | stosb |
700 | stosb |
712 | loop @b |
701 | loop @b |
713 | @@: |
702 | @@: |
714 | mov dword [edi], '.obj' |
703 | mov dword [edi], '.obj' |
715 | mov byte [edi+4], 0 |
704 | mov byte [edi+4], 0 |
716 | stdcall load_file, edx |
705 | stdcall load_file, edx |
717 | 706 | ||
718 | test eax, eax |
707 | test eax, eax |
719 | jz .exit |
708 | jz .exit |
720 | 709 | ||
721 | mov [coff], eax |
710 | mov [coff], eax |
722 | 711 | ||
723 | movzx ecx, [eax+COFF_HEADER.nSections] |
712 | movzx ecx, [eax+COFF_HEADER.nSections] |
724 | xor ebx, ebx |
713 | xor ebx, ebx |
725 | 714 | ||
726 | lea edx, [eax+20] |
715 | lea edx, [eax+20] |
727 | @@: |
716 | @@: |
728 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
717 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
729 | add ebx, 15 |
718 | add ebx, 15 |
730 | and ebx, not 15 |
719 | and ebx, not 15 |
731 | add edx, sizeof.COFF_SECTION |
720 | add edx, sizeof.COFF_SECTION |
732 | dec ecx |
721 | dec ecx |
733 | jnz @B |
722 | jnz @B |
734 | mov [img_size], ebx |
723 | mov [img_size], ebx |
735 | 724 | ||
736 | stdcall kernel_alloc, ebx |
725 | stdcall kernel_alloc, ebx |
737 | test eax, eax |
726 | test eax, eax |
738 | jz .fail |
727 | jz .fail |
739 | mov [img_base], eax |
728 | mov [img_base], eax |
740 | 729 | ||
741 | mov edi, eax |
730 | mov edi, eax |
742 | xor eax, eax |
731 | xor eax, eax |
743 | mov ecx, [img_size] |
732 | mov ecx, [img_size] |
744 | add ecx, 4095 |
733 | add ecx, 4095 |
745 | and ecx, not 4095 |
734 | and ecx, not 4095 |
746 | shr ecx, 2 |
735 | shr ecx, 2 |
747 | cld |
736 | cld |
748 | rep stosd |
737 | rep stosd |
749 | 738 | ||
750 | mov edx, [coff] |
739 | mov edx, [coff] |
751 | movzx ebx, [edx+COFF_HEADER.nSections] |
740 | movzx ebx, [edx+COFF_HEADER.nSections] |
752 | mov edi, [img_base] |
741 | mov edi, [img_base] |
753 | lea eax, [edx+20] |
742 | lea eax, [edx+20] |
754 | @@: |
743 | @@: |
755 | mov [eax+COFF_SECTION.VirtualAddress], edi |
744 | mov [eax+COFF_SECTION.VirtualAddress], edi |
756 | mov esi, [eax+COFF_SECTION.PtrRawData] |
745 | mov esi, [eax+COFF_SECTION.PtrRawData] |
757 | test esi, esi |
746 | test esi, esi |
758 | jnz .copy |
747 | jnz .copy |
759 | add edi, [eax+COFF_SECTION.SizeOfRawData] |
748 | add edi, [eax+COFF_SECTION.SizeOfRawData] |
760 | jmp .next |
749 | jmp .next |
761 | .copy: |
750 | .copy: |
762 | add esi, edx |
751 | add esi, edx |
763 | mov ecx, [eax+COFF_SECTION.SizeOfRawData] |
752 | mov ecx, [eax+COFF_SECTION.SizeOfRawData] |
764 | cld |
753 | cld |
765 | rep movsb |
754 | rep movsb |
766 | .next: |
755 | .next: |
767 | add edi, 15 |
756 | add edi, 15 |
768 | and edi, not 15 |
757 | and edi, not 15 |
769 | add eax, sizeof.COFF_SECTION |
758 | add eax, sizeof.COFF_SECTION |
770 | dec ebx |
759 | dec ebx |
771 | jnz @B |
760 | jnz @B |
772 | 761 | ||
773 | mov ebx, [edx+COFF_HEADER.pSymTable] |
762 | mov ebx, [edx+COFF_HEADER.pSymTable] |
774 | add ebx, edx |
763 | add ebx, edx |
775 | mov [sym], ebx |
764 | mov [sym], ebx |
776 | mov ecx, [edx+COFF_HEADER.nSymbols] |
765 | mov ecx, [edx+COFF_HEADER.nSymbols] |
777 | add ecx, ecx |
766 | add ecx, ecx |
778 | lea ecx, [ecx+ecx*8];ecx*=18 = nSymbols*CSYM_SIZE |
767 | lea ecx, [ecx+ecx*8];ecx*=18 = nSymbols*CSYM_SIZE |
779 | add ecx, [sym] |
768 | add ecx, [sym] |
780 | mov [strings], ecx |
769 | mov [strings], ecx |
781 | 770 | ||
782 | lea ebx, [exports] |
771 | lea ebx, [exports] |
783 | mov dword [ebx], kernel_export |
772 | mov dword [ebx], kernel_export |
784 | mov dword [ebx+4], 0 |
773 | mov dword [ebx+4], 0 |
785 | lea eax, [edx+20] |
774 | lea eax, [edx+20] |
786 | 775 | ||
787 | stdcall fix_coff_symbols, eax, [sym], [edx+COFF_HEADER.nSymbols], \ |
776 | stdcall fix_coff_symbols, eax, [sym], [edx+COFF_HEADER.nSymbols], \ |
788 | [strings], ebx |
777 | [strings], ebx |
789 | test eax, eax |
778 | test eax, eax |
790 | jz .link_fail |
779 | jz .link_fail |
791 | 780 | ||
792 | mov ebx, [coff] |
781 | mov ebx, [coff] |
793 | stdcall fix_coff_relocs, ebx, [sym], 0 |
782 | stdcall fix_coff_relocs, ebx, [sym], 0 |
794 | 783 | ||
795 | stdcall get_coff_sym, [sym], [ebx+COFF_HEADER.nSymbols], szVersion |
784 | stdcall get_coff_sym, [sym], [ebx+COFF_HEADER.nSymbols], szVersion |
796 | test eax, eax |
785 | test eax, eax |
797 | jz .link_fail |
786 | jz .link_fail |
798 | 787 | ||
799 | mov eax, [eax] |
788 | mov eax, [eax] |
800 | shr eax, 16 |
789 | shr eax, 16 |
801 | cmp eax, DRV_COMPAT |
790 | cmp eax, DRV_COMPAT |
802 | jb .ver_fail |
791 | jb .ver_fail |
803 | 792 | ||
804 | cmp eax, DRV_CURRENT |
793 | cmp eax, DRV_CURRENT |
805 | ja .ver_fail |
794 | ja .ver_fail |
806 | 795 | ||
807 | mov ebx, [coff] |
796 | mov ebx, [coff] |
808 | stdcall get_coff_sym, [sym], [ebx+COFF_HEADER.nSymbols], szSTART |
797 | stdcall get_coff_sym, [sym], [ebx+COFF_HEADER.nSymbols], szSTART |
809 | mov [start], eax |
798 | mov [start], eax |
810 | 799 | ||
811 | stdcall kernel_free, [coff] |
800 | stdcall kernel_free, [coff] |
812 | 801 | ||
813 | mov ebx, [start] |
802 | mov ebx, [start] |
814 | stdcall ebx, DRV_ENTRY |
803 | stdcall ebx, DRV_ENTRY |
815 | test eax, eax |
804 | test eax, eax |
816 | jnz .ok |
805 | jnz .ok |
817 | 806 | ||
818 | stdcall kernel_free, [img_base] |
807 | stdcall kernel_free, [img_base] |
819 | cmp dword [file_name+13], 'SOUN' |
808 | cmp dword [file_name+13], 'SOUN' |
820 | jnz @f |
809 | jnz @f |
821 | cmp dword [file_name+17], 'D.ob' |
810 | cmp dword [file_name+17], 'D.ob' |
822 | jnz @f |
811 | jnz @f |
823 | cmp word [file_name+21], 'j' |
812 | cmp word [file_name+21], 'j' |
824 | jnz @f |
813 | jnz @f |
825 | mov esi, aHDA |
814 | mov esi, aHDA |
826 | jmp .redo |
815 | jmp .redo |
827 | @@: |
816 | @@: |
828 | xor eax, eax |
817 | xor eax, eax |
829 | ret |
818 | ret |
830 | .ok: |
819 | .ok: |
831 | mov ebx, [img_base] |
820 | mov ebx, [img_base] |
832 | mov [eax+SRV.base], ebx |
821 | mov [eax+SRV.base], ebx |
833 | mov ecx, [start] |
822 | mov ecx, [start] |
834 | mov [eax+SRV.entry], ecx |
823 | mov [eax+SRV.entry], ecx |
835 | ret |
824 | ret |
836 | 825 | ||
837 | .ver_fail: |
826 | .ver_fail: |
838 | mov esi, msg_CR |
827 | mov esi, msg_CR |
839 | call sys_msg_board_str |
828 | call sys_msg_board_str |
840 | mov esi, [driver_name] |
829 | mov esi, [driver_name] |
841 | call sys_msg_board_str |
830 | call sys_msg_board_str |
842 | mov esi, msg_CR |
831 | mov esi, msg_CR |
843 | call sys_msg_board_str |
832 | call sys_msg_board_str |
844 | mov esi, msg_version |
833 | mov esi, msg_version |
845 | call sys_msg_board_str |
834 | call sys_msg_board_str |
846 | mov esi, msg_www |
835 | mov esi, msg_www |
847 | call sys_msg_board_str |
836 | call sys_msg_board_str |
848 | jmp .cleanup |
837 | jmp .cleanup |
849 | 838 | ||
850 | .link_fail: |
839 | .link_fail: |
851 | mov esi, msg_module |
840 | mov esi, msg_module |
852 | call sys_msg_board_str |
841 | call sys_msg_board_str |
853 | mov esi, [driver_name] |
842 | mov esi, [driver_name] |
854 | call sys_msg_board_str |
843 | call sys_msg_board_str |
855 | mov esi, msg_CR |
844 | mov esi, msg_CR |
856 | call sys_msg_board_str |
845 | call sys_msg_board_str |
857 | .cleanup: |
846 | .cleanup: |
858 | stdcall kernel_free, [img_base] |
847 | stdcall kernel_free, [img_base] |
859 | .fail: |
848 | .fail: |
860 | stdcall kernel_free, [coff] |
849 | stdcall kernel_free, [coff] |
861 | .exit: |
850 | .exit: |
862 | xor eax, eax |
851 | xor eax, eax |
863 | ret |
852 | ret |
864 | endp |
853 | endp |
865 | 854 | ||
866 | ; in: edx -> COFF_SECTION struct |
855 | ; in: edx -> COFF_SECTION struct |
867 | ; out: eax = alignment as mask for bits to drop |
856 | ; out: eax = alignment as mask for bits to drop |
868 | coff_get_align: |
857 | coff_get_align: |
869 | ; Rules: |
858 | ; Rules: |
870 | ; - if alignment is not given, use default = 4K; |
859 | ; - if alignment is not given, use default = 4K; |
871 | ; - if alignment is given and is no more than 4K, use it; |
860 | ; - if alignment is given and is no more than 4K, use it; |
872 | ; - if alignment is more than 4K, revert to 4K. |
861 | ; - if alignment is more than 4K, revert to 4K. |
873 | push ecx |
862 | push ecx |
874 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
863 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
875 | mov eax, 1 |
864 | mov eax, 1 |
876 | shr cl, 4 |
865 | shr cl, 4 |
877 | dec cl |
866 | dec cl |
878 | js .default |
867 | js .default |
879 | cmp cl, 12 |
868 | cmp cl, 12 |
880 | jbe @f |
869 | jbe @f |
881 | .default: |
870 | .default: |
882 | mov cl, 12 |
871 | mov cl, 12 |
883 | @@: |
872 | @@: |
884 | shl eax, cl |
873 | shl eax, cl |
885 | pop ecx |
874 | pop ecx |
886 | dec eax |
875 | dec eax |
887 | ret |
876 | ret |
888 | 877 | ||
889 | align 4 |
878 | align 4 |
890 | proc load_library stdcall, file_name:dword |
879 | proc load_library stdcall, file_name:dword |
891 | locals |
880 | locals |
892 | fullname rb 260 |
881 | fullname rb 260 |
893 | fileinfo rb 40 |
882 | fileinfo rb 40 |
894 | coff dd ? |
883 | coff dd ? |
895 | img_base dd ? |
884 | img_base dd ? |
896 | endl |
885 | endl |
897 | 886 | ||
898 | cli |
887 | cli |
899 | 888 | ||
900 | ; resolve file name |
889 | ; resolve file name |
901 | mov ebx, [file_name] |
890 | mov ebx, [file_name] |
902 | lea edi, [fullname+1] |
891 | lea edi, [fullname+1] |
903 | mov byte [edi-1], '/' |
892 | mov byte [edi-1], '/' |
904 | stdcall get_full_file_name, edi, 259 |
893 | stdcall get_full_file_name, edi, 259 |
905 | test al, al |
894 | test al, al |
906 | jz .fail |
895 | jz .fail |
907 | 896 | ||
908 | ; scan for required DLL in list of already loaded for this process, |
897 | ; scan for required DLL in list of already loaded for this process, |
909 | ; ignore timestamp |
898 | ; ignore timestamp |
910 | mov esi, [CURRENT_TASK] |
899 | mov esi, [CURRENT_TASK] |
911 | shl esi, 8 |
900 | shl esi, 8 |
912 | lea edi, [fullname] |
901 | lea edi, [fullname] |
913 | mov ebx, [esi+SLOT_BASE+APPDATA.dlls_list_ptr] |
902 | mov ebx, [esi+SLOT_BASE+APPDATA.dlls_list_ptr] |
914 | test ebx, ebx |
903 | test ebx, ebx |
915 | jz .not_in_process |
904 | jz .not_in_process |
916 | mov esi, [ebx+HDLL.fd] |
905 | mov esi, [ebx+HDLL.fd] |
917 | .scan_in_process: |
906 | .scan_in_process: |
918 | cmp esi, ebx |
907 | cmp esi, ebx |
919 | jz .not_in_process |
908 | jz .not_in_process |
920 | mov eax, [esi+HDLL.parent] |
909 | mov eax, [esi+HDLL.parent] |
921 | add eax, DLLDESCR.name |
910 | add eax, DLLDESCR.name |
922 | stdcall strncmp, eax, edi, -1 |
911 | stdcall strncmp, eax, edi, -1 |
923 | test eax, eax |
912 | test eax, eax |
924 | jnz .next_in_process |
913 | jnz .next_in_process |
925 | ; simple variant: load DLL which is already loaded in this process |
914 | ; simple variant: load DLL which is already loaded in this process |
926 | ; just increment reference counters and return address of exports table |
915 | ; just increment reference counters and return address of exports table |
927 | inc [esi+HDLL.refcount] |
916 | inc [esi+HDLL.refcount] |
928 | mov ecx, [esi+HDLL.parent] |
917 | mov ecx, [esi+HDLL.parent] |
929 | inc [ecx+DLLDESCR.refcount] |
918 | inc [ecx+DLLDESCR.refcount] |
930 | mov eax, [ecx+DLLDESCR.exports] |
919 | mov eax, [ecx+DLLDESCR.exports] |
931 | sub eax, [ecx+DLLDESCR.defaultbase] |
920 | sub eax, [ecx+DLLDESCR.defaultbase] |
932 | add eax, [esi+HDLL.base] |
921 | add eax, [esi+HDLL.base] |
933 | ret |
922 | ret |
934 | .next_in_process: |
923 | .next_in_process: |
935 | mov esi, [esi+HDLL.fd] |
924 | mov esi, [esi+HDLL.fd] |
936 | jmp .scan_in_process |
925 | jmp .scan_in_process |
937 | .not_in_process: |
926 | .not_in_process: |
938 | 927 | ||
939 | ; scan in full list, compare timestamp |
928 | ; scan in full list, compare timestamp |
940 | lea eax, [fileinfo] |
929 | lea eax, [fileinfo] |
941 | stdcall get_fileinfo, edi, eax |
930 | stdcall get_fileinfo, edi, eax |
942 | test eax, eax |
931 | test eax, eax |
943 | jnz .fail |
932 | jnz .fail |
944 | mov esi, [dll_list.fd] |
933 | mov esi, [dll_list.fd] |
945 | .scan_for_dlls: |
934 | .scan_for_dlls: |
946 | cmp esi, dll_list |
935 | cmp esi, dll_list |
947 | jz .load_new |
936 | jz .load_new |
948 | lea eax, [esi+DLLDESCR.name] |
937 | lea eax, [esi+DLLDESCR.name] |
949 | stdcall strncmp, eax, edi, -1 |
938 | stdcall strncmp, eax, edi, -1 |
950 | test eax, eax |
939 | test eax, eax |
951 | jnz .continue_scan |
940 | jnz .continue_scan |
952 | .test_prev_dll: |
941 | .test_prev_dll: |
953 | mov eax, dword [fileinfo+24]; last modified time |
942 | mov eax, dword [fileinfo+24]; last modified time |
954 | mov edx, dword [fileinfo+28]; last modified date |
943 | mov edx, dword [fileinfo+28]; last modified date |
955 | cmp dword [esi+DLLDESCR.timestamp], eax |
944 | cmp dword [esi+DLLDESCR.timestamp], eax |
956 | jnz .continue_scan |
945 | jnz .continue_scan |
957 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
946 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
958 | jz .dll_already_loaded |
947 | jz .dll_already_loaded |
959 | .continue_scan: |
948 | .continue_scan: |
960 | mov esi, [esi+DLLDESCR.fd] |
949 | mov esi, [esi+DLLDESCR.fd] |
961 | jmp .scan_for_dlls |
950 | jmp .scan_for_dlls |
962 | 951 | ||
963 | ; new DLL |
952 | ; new DLL |
964 | .load_new: |
953 | .load_new: |
965 | ; load file |
954 | ; load file |
966 | stdcall load_file, edi |
955 | stdcall load_file, edi |
967 | test eax, eax |
956 | test eax, eax |
968 | jz .fail |
957 | jz .fail |
969 | mov [coff], eax |
958 | mov [coff], eax |
970 | mov dword [fileinfo+32], ebx |
959 | mov dword [fileinfo+32], ebx |
971 | 960 | ||
972 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
961 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
973 | mov esi, edi |
962 | mov esi, edi |
974 | mov ecx, -1 |
963 | mov ecx, -1 |
975 | xor eax, eax |
964 | xor eax, eax |
976 | repnz scasb |
965 | repnz scasb |
977 | not ecx |
966 | not ecx |
978 | lea eax, [ecx+sizeof.DLLDESCR] |
967 | lea eax, [ecx+sizeof.DLLDESCR] |
979 | push ecx |
968 | push ecx |
980 | call malloc |
969 | call malloc |
981 | pop ecx |
970 | pop ecx |
982 | test eax, eax |
971 | test eax, eax |
983 | jz .fail_and_free_coff |
972 | jz .fail_and_free_coff |
984 | ; save timestamp |
973 | ; save timestamp |
985 | lea edi, [eax+DLLDESCR.name] |
974 | lea edi, [eax+DLLDESCR.name] |
986 | rep movsb |
975 | rep movsb |
987 | mov esi, eax |
976 | mov esi, eax |
988 | mov eax, dword [fileinfo+24] |
977 | mov eax, dword [fileinfo+24] |
989 | mov dword [esi+DLLDESCR.timestamp], eax |
978 | mov dword [esi+DLLDESCR.timestamp], eax |
990 | mov eax, dword [fileinfo+28] |
979 | mov eax, dword [fileinfo+28] |
991 | mov dword [esi+DLLDESCR.timestamp+4], eax |
980 | mov dword [esi+DLLDESCR.timestamp+4], eax |
992 | ; initialize DLLDESCR struct |
981 | ; initialize DLLDESCR struct |
993 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
982 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
994 | mov [esi+DLLDESCR.fd], dll_list |
983 | mov [esi+DLLDESCR.fd], dll_list |
995 | mov eax, [dll_list.bk] |
984 | mov eax, [dll_list.bk] |
996 | mov [dll_list.bk], esi |
985 | mov [dll_list.bk], esi |
997 | mov [esi+DLLDESCR.bk], eax |
986 | mov [esi+DLLDESCR.bk], eax |
998 | mov [eax+DLLDESCR.fd], esi |
987 | mov [eax+DLLDESCR.fd], esi |
999 | 988 | ||
1000 | ; calculate size of loaded DLL |
989 | ; calculate size of loaded DLL |
1001 | mov edx, [coff] |
990 | mov edx, [coff] |
1002 | movzx ecx, [edx+COFF_HEADER.nSections] |
991 | movzx ecx, [edx+COFF_HEADER.nSections] |
1003 | xor ebx, ebx |
992 | xor ebx, ebx |
1004 | 993 | ||
1005 | add edx, 20 |
994 | add edx, 20 |
1006 | @@: |
995 | @@: |
1007 | call coff_get_align |
996 | call coff_get_align |
1008 | add ebx, eax |
997 | add ebx, eax |
1009 | not eax |
998 | not eax |
1010 | and ebx, eax |
999 | and ebx, eax |
1011 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
1000 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
1012 | add edx, sizeof.COFF_SECTION |
1001 | add edx, sizeof.COFF_SECTION |
1013 | dec ecx |
1002 | dec ecx |
1014 | jnz @B |
1003 | jnz @B |
1015 | ; it must be nonzero and not too big |
1004 | ; it must be nonzero and not too big |
1016 | mov [esi+DLLDESCR.size], ebx |
1005 | mov [esi+DLLDESCR.size], ebx |
1017 | test ebx, ebx |
1006 | test ebx, ebx |
1018 | jz .fail_and_free_dll |
1007 | jz .fail_and_free_dll |
1019 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
1008 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
1020 | ja .fail_and_free_dll |
1009 | ja .fail_and_free_dll |
1021 | ; allocate memory for kernel-side image |
1010 | ; allocate memory for kernel-side image |
1022 | stdcall kernel_alloc, ebx |
1011 | stdcall kernel_alloc, ebx |
1023 | test eax, eax |
1012 | test eax, eax |
1024 | jz .fail_and_free_dll |
1013 | jz .fail_and_free_dll |
1025 | mov [esi+DLLDESCR.data], eax |
1014 | mov [esi+DLLDESCR.data], eax |
1026 | ; calculate preferred base address |
1015 | ; calculate preferred base address |
1027 | add ebx, 0x1FFF |
1016 | add ebx, 0x1FFF |
1028 | and ebx, not 0xFFF |
1017 | and ebx, not 0xFFF |
1029 | mov ecx, [dll_cur_addr] |
1018 | mov ecx, [dll_cur_addr] |
1030 | lea edx, [ecx+ebx] |
1019 | lea edx, [ecx+ebx] |
1031 | cmp edx, MAX_DEFAULT_DLL_ADDR |
1020 | cmp edx, MAX_DEFAULT_DLL_ADDR |
1032 | jb @f |
1021 | jb @f |
1033 | mov ecx, MIN_DEFAULT_DLL_ADDR |
1022 | mov ecx, MIN_DEFAULT_DLL_ADDR |
1034 | lea edx, [ecx+ebx] |
1023 | lea edx, [ecx+ebx] |
1035 | @@: |
1024 | @@: |
1036 | mov [esi+DLLDESCR.defaultbase], ecx |
1025 | mov [esi+DLLDESCR.defaultbase], ecx |
1037 | mov [dll_cur_addr], edx |
1026 | mov [dll_cur_addr], edx |
1038 | 1027 | ||
1039 | ; copy sections and set correct values for VirtualAddress'es in headers |
1028 | ; copy sections and set correct values for VirtualAddress'es in headers |
1040 | push esi |
1029 | push esi |
1041 | mov edx, [coff] |
1030 | mov edx, [coff] |
1042 | movzx ebx, [edx+COFF_HEADER.nSections] |
1031 | movzx ebx, [edx+COFF_HEADER.nSections] |
1043 | mov edi, eax |
1032 | mov edi, eax |
1044 | add edx, 20 |
1033 | add edx, 20 |
1045 | cld |
1034 | cld |
1046 | @@: |
1035 | @@: |
1047 | call coff_get_align |
1036 | call coff_get_align |
1048 | add ecx, eax |
1037 | add ecx, eax |
1049 | add edi, eax |
1038 | add edi, eax |
1050 | not eax |
1039 | not eax |
1051 | and ecx, eax |
1040 | and ecx, eax |
1052 | and edi, eax |
1041 | and edi, eax |
1053 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
1042 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
1054 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
1043 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
1055 | mov esi, [edx+COFF_SECTION.PtrRawData] |
1044 | mov esi, [edx+COFF_SECTION.PtrRawData] |
1056 | push ecx |
1045 | push ecx |
1057 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
1046 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
1058 | test esi, esi |
1047 | test esi, esi |
1059 | jnz .copy |
1048 | jnz .copy |
1060 | xor eax, eax |
1049 | xor eax, eax |
1061 | rep stosb |
1050 | rep stosb |
1062 | jmp .next |
1051 | jmp .next |
1063 | .copy: |
1052 | .copy: |
1064 | add esi, [coff] |
1053 | add esi, [coff] |
1065 | rep movsb |
1054 | rep movsb |
1066 | .next: |
1055 | .next: |
1067 | pop ecx |
1056 | pop ecx |
1068 | add edx, sizeof.COFF_SECTION |
1057 | add edx, sizeof.COFF_SECTION |
1069 | dec ebx |
1058 | dec ebx |
1070 | jnz @B |
1059 | jnz @B |
1071 | pop esi |
1060 | pop esi |
1072 | 1061 | ||
1073 | ; save some additional data from COFF file |
1062 | ; save some additional data from COFF file |
1074 | ; later we will use COFF header, headers for sections and symbol table |
1063 | ; later we will use COFF header, headers for sections and symbol table |
1075 | ; and also relocations table for all sections |
1064 | ; and also relocations table for all sections |
1076 | mov edx, [coff] |
1065 | mov edx, [coff] |
1077 | mov ebx, [edx+COFF_HEADER.pSymTable] |
1066 | mov ebx, [edx+COFF_HEADER.pSymTable] |
1078 | mov edi, dword [fileinfo+32] |
1067 | mov edi, dword [fileinfo+32] |
1079 | sub edi, ebx |
1068 | sub edi, ebx |
1080 | jc .fail_and_free_data |
1069 | jc .fail_and_free_data |
1081 | mov [esi+DLLDESCR.symbols_lim], edi |
1070 | mov [esi+DLLDESCR.symbols_lim], edi |
1082 | add ebx, edx |
1071 | add ebx, edx |
1083 | movzx ecx, [edx+COFF_HEADER.nSections] |
1072 | movzx ecx, [edx+COFF_HEADER.nSections] |
1084 | lea ecx, [ecx*5] |
1073 | lea ecx, [ecx*5] |
1085 | lea edi, [edi+ecx*8+20] |
1074 | lea edi, [edi+ecx*8+20] |
1086 | add edx, 20 |
1075 | add edx, 20 |
1087 | @@: |
1076 | @@: |
1088 | movzx eax, [edx+COFF_SECTION.NumReloc] |
1077 | movzx eax, [edx+COFF_SECTION.NumReloc] |
1089 | lea eax, [eax*5] |
1078 | lea eax, [eax*5] |
1090 | lea edi, [edi+eax*2] |
1079 | lea edi, [edi+eax*2] |
1091 | add edx, sizeof.COFF_SECTION |
1080 | add edx, sizeof.COFF_SECTION |
1092 | sub ecx, 5 |
1081 | sub ecx, 5 |
1093 | jnz @b |
1082 | jnz @b |
1094 | stdcall kernel_alloc, edi |
1083 | stdcall kernel_alloc, edi |
1095 | test eax, eax |
1084 | test eax, eax |
1096 | jz .fail_and_free_data |
1085 | jz .fail_and_free_data |
1097 | mov edx, [coff] |
1086 | mov edx, [coff] |
1098 | movzx ecx, [edx+COFF_HEADER.nSections] |
1087 | movzx ecx, [edx+COFF_HEADER.nSections] |
1099 | lea ecx, [ecx*5] |
1088 | lea ecx, [ecx*5] |
1100 | lea ecx, [ecx*2+5] |
1089 | lea ecx, [ecx*2+5] |
1101 | mov [esi+DLLDESCR.coff_hdr], eax |
1090 | mov [esi+DLLDESCR.coff_hdr], eax |
1102 | push esi |
1091 | push esi |
1103 | mov esi, edx |
1092 | mov esi, edx |
1104 | mov edi, eax |
1093 | mov edi, eax |
1105 | rep movsd |
1094 | rep movsd |
1106 | pop esi |
1095 | pop esi |
1107 | mov [esi+DLLDESCR.symbols_ptr], edi |
1096 | mov [esi+DLLDESCR.symbols_ptr], edi |
1108 | push esi |
1097 | push esi |
1109 | mov ecx, [edx+COFF_HEADER.nSymbols] |
1098 | mov ecx, [edx+COFF_HEADER.nSymbols] |
1110 | mov [esi+DLLDESCR.symbols_num], ecx |
1099 | mov [esi+DLLDESCR.symbols_num], ecx |
1111 | mov ecx, [esi+DLLDESCR.symbols_lim] |
1100 | mov ecx, [esi+DLLDESCR.symbols_lim] |
1112 | mov esi, ebx |
1101 | mov esi, ebx |
1113 | rep movsb |
1102 | rep movsb |
1114 | pop esi |
1103 | pop esi |
1115 | mov ebx, [esi+DLLDESCR.coff_hdr] |
1104 | mov ebx, [esi+DLLDESCR.coff_hdr] |
1116 | push esi |
1105 | push esi |
1117 | movzx eax, [edx+COFF_HEADER.nSections] |
1106 | movzx eax, [edx+COFF_HEADER.nSections] |
1118 | lea edx, [ebx+20] |
1107 | lea edx, [ebx+20] |
1119 | @@: |
1108 | @@: |
1120 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
1109 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
1121 | lea ecx, [ecx*5] |
1110 | lea ecx, [ecx*5] |
1122 | mov esi, [edx+COFF_SECTION.PtrReloc] |
1111 | mov esi, [edx+COFF_SECTION.PtrReloc] |
1123 | mov [edx+COFF_SECTION.PtrReloc], edi |
1112 | mov [edx+COFF_SECTION.PtrReloc], edi |
1124 | sub [edx+COFF_SECTION.PtrReloc], ebx |
1113 | sub [edx+COFF_SECTION.PtrReloc], ebx |
1125 | add esi, [coff] |
1114 | add esi, [coff] |
1126 | shr ecx, 1 |
1115 | shr ecx, 1 |
1127 | rep movsd |
1116 | rep movsd |
1128 | adc ecx, ecx |
1117 | adc ecx, ecx |
1129 | rep movsw |
1118 | rep movsw |
1130 | add edx, sizeof.COFF_SECTION |
1119 | add edx, sizeof.COFF_SECTION |
1131 | dec eax |
1120 | dec eax |
1132 | jnz @b |
1121 | jnz @b |
1133 | pop esi |
1122 | pop esi |
1134 | 1123 | ||
1135 | ; fixup symbols |
1124 | ; fixup symbols |
1136 | mov edx, ebx |
1125 | mov edx, ebx |
1137 | mov eax, [ebx+COFF_HEADER.nSymbols] |
1126 | mov eax, [ebx+COFF_HEADER.nSymbols] |
1138 | add edx, 20 |
1127 | add edx, 20 |
1139 | mov ecx, [esi+DLLDESCR.symbols_num] |
1128 | mov ecx, [esi+DLLDESCR.symbols_num] |
1140 | lea ecx, [ecx*9] |
1129 | lea ecx, [ecx*9] |
1141 | add ecx, ecx |
1130 | add ecx, ecx |
1142 | add ecx, [esi+DLLDESCR.symbols_ptr] |
1131 | add ecx, [esi+DLLDESCR.symbols_ptr] |
1143 | 1132 | ||
1144 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
1133 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
1145 | ecx, 0 |
1134 | ecx, 0 |
1146 | ; test eax, eax |
1135 | ; test eax, eax |
1147 | ; jnz @F |
1136 | ; jnz @F |
1148 | ; |
1137 | ; |
1149 | ;@@: |
1138 | ;@@: |
1150 | 1139 | ||
1151 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
1140 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
1152 | test eax, eax |
1141 | test eax, eax |
1153 | jnz @F |
1142 | jnz @F |
1154 | 1143 | ||
1155 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
1144 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
1156 | @@: |
1145 | @@: |
1157 | mov [esi+DLLDESCR.exports], eax |
1146 | mov [esi+DLLDESCR.exports], eax |
1158 | 1147 | ||
1159 | ; fix relocs in the hidden copy in kernel memory to default address |
1148 | ; fix relocs in the hidden copy in kernel memory to default address |
1160 | ; it is first fix; usually this will be enough, but second fix |
1149 | ; it is first fix; usually this will be enough, but second fix |
1161 | ; can be necessary if real load address will not equal assumption |
1150 | ; can be necessary if real load address will not equal assumption |
1162 | mov eax, [esi+DLLDESCR.data] |
1151 | mov eax, [esi+DLLDESCR.data] |
1163 | sub eax, [esi+DLLDESCR.defaultbase] |
1152 | sub eax, [esi+DLLDESCR.defaultbase] |
1164 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
1153 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
1165 | 1154 | ||
1166 | stdcall kernel_free, [coff] |
1155 | stdcall kernel_free, [coff] |
1167 | 1156 | ||
1168 | .dll_already_loaded: |
1157 | .dll_already_loaded: |
1169 | inc [esi+DLLDESCR.refcount] |
1158 | inc [esi+DLLDESCR.refcount] |
1170 | push esi |
1159 | push esi |
1171 | call init_heap |
1160 | call init_heap |
1172 | pop esi |
1161 | pop esi |
1173 | 1162 | ||
1174 | mov edi, [esi+DLLDESCR.size] |
1163 | mov edi, [esi+DLLDESCR.size] |
1175 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
1164 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
1176 | test eax, eax |
1165 | test eax, eax |
1177 | jnz @f |
1166 | jnz @f |
1178 | stdcall user_alloc, edi |
1167 | stdcall user_alloc, edi |
1179 | test eax, eax |
1168 | test eax, eax |
1180 | jz .fail_and_dereference |
1169 | jz .fail_and_dereference |
1181 | @@: |
1170 | @@: |
1182 | mov [img_base], eax |
1171 | mov [img_base], eax |
1183 | mov eax, sizeof.HDLL |
1172 | mov eax, sizeof.HDLL |
1184 | call malloc |
1173 | call malloc |
1185 | test eax, eax |
1174 | test eax, eax |
1186 | jz .fail_and_free_user |
1175 | jz .fail_and_free_user |
1187 | mov ebx, [CURRENT_TASK] |
1176 | mov ebx, [CURRENT_TASK] |
1188 | shl ebx, 5 |
1177 | shl ebx, 5 |
1189 | mov edx, [CURRENT_TASK+ebx+TASKDATA.pid] |
1178 | mov edx, [CURRENT_TASK+ebx+TASKDATA.pid] |
1190 | mov [eax+HDLL.pid], edx |
1179 | mov [eax+HDLL.pid], edx |
1191 | push eax |
1180 | push eax |
1192 | call init_dlls_in_thread |
1181 | call init_dlls_in_thread |
1193 | pop ebx |
1182 | pop ebx |
1194 | test eax, eax |
1183 | test eax, eax |
1195 | jz .fail_and_free_user |
1184 | jz .fail_and_free_user |
1196 | mov edx, [eax+HDLL.fd] |
1185 | mov edx, [eax+HDLL.fd] |
1197 | mov [ebx+HDLL.fd], edx |
1186 | mov [ebx+HDLL.fd], edx |
1198 | mov [ebx+HDLL.bk], eax |
1187 | mov [ebx+HDLL.bk], eax |
1199 | mov [eax+HDLL.fd], ebx |
1188 | mov [eax+HDLL.fd], ebx |
1200 | mov [edx+HDLL.bk], ebx |
1189 | mov [edx+HDLL.bk], ebx |
1201 | mov eax, ebx |
1190 | mov eax, ebx |
1202 | mov ebx, [img_base] |
1191 | mov ebx, [img_base] |
1203 | mov [eax+HDLL.base], ebx |
1192 | mov [eax+HDLL.base], ebx |
1204 | mov [eax+HDLL.size], edi |
1193 | mov [eax+HDLL.size], edi |
1205 | mov [eax+HDLL.refcount], 1 |
1194 | mov [eax+HDLL.refcount], 1 |
1206 | mov [eax+HDLL.parent], esi |
1195 | mov [eax+HDLL.parent], esi |
1207 | mov edx, ebx |
1196 | mov edx, ebx |
1208 | shr edx, 12 |
1197 | shr edx, 12 |
1209 | or dword [page_tabs+(edx-1)*4], DONT_FREE_BLOCK |
1198 | or dword [page_tabs+(edx-1)*4], DONT_FREE_BLOCK |
1210 | ; copy entries of page table from kernel-side image to usermode |
1199 | ; copy entries of page table from kernel-side image to usermode |
1211 | ; use copy-on-write for user-mode image, so map as readonly |
1200 | ; use copy-on-write for user-mode image, so map as readonly |
1212 | xor edi, edi |
1201 | xor edi, edi |
1213 | mov ecx, [esi+DLLDESCR.data] |
1202 | mov ecx, [esi+DLLDESCR.data] |
1214 | shr ecx, 12 |
1203 | shr ecx, 12 |
1215 | .map_pages_loop: |
1204 | .map_pages_loop: |
1216 | mov eax, [page_tabs+ecx*4] |
1205 | mov eax, [page_tabs+ecx*4] |
1217 | and eax, not 0xFFF |
1206 | and eax, not 0xFFF |
1218 | or al, PG_USER |
1207 | or al, PG_USER |
1219 | xchg eax, [page_tabs+edx*4] |
1208 | xchg eax, [page_tabs+edx*4] |
1220 | test al, 1 |
1209 | test al, 1 |
1221 | jz @f |
1210 | jz @f |
1222 | call free_page |
1211 | call free_page |
1223 | @@: |
1212 | @@: |
1224 | invlpg [ebx+edi] |
1213 | invlpg [ebx+edi] |
1225 | inc ecx |
1214 | inc ecx |
1226 | inc edx |
1215 | inc edx |
1227 | add edi, 0x1000 |
1216 | add edi, 0x1000 |
1228 | cmp edi, [esi+DLLDESCR.size] |
1217 | cmp edi, [esi+DLLDESCR.size] |
1229 | jb .map_pages_loop |
1218 | jb .map_pages_loop |
1230 | 1219 | ||
1231 | ; if real user-mode base is not equal to preferred base, relocate image |
1220 | ; if real user-mode base is not equal to preferred base, relocate image |
1232 | sub ebx, [esi+DLLDESCR.defaultbase] |
1221 | sub ebx, [esi+DLLDESCR.defaultbase] |
1233 | jz @f |
1222 | jz @f |
1234 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
1223 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
1235 | @@: |
1224 | @@: |
1236 | 1225 | ||
1237 | mov eax, [esi+DLLDESCR.exports] |
1226 | mov eax, [esi+DLLDESCR.exports] |
1238 | sub eax, [esi+DLLDESCR.defaultbase] |
1227 | sub eax, [esi+DLLDESCR.defaultbase] |
1239 | add eax, [img_base] |
1228 | add eax, [img_base] |
1240 | ret |
1229 | ret |
1241 | .fail_and_free_data: |
1230 | .fail_and_free_data: |
1242 | stdcall kernel_free, [esi+DLLDESCR.data] |
1231 | stdcall kernel_free, [esi+DLLDESCR.data] |
1243 | .fail_and_free_dll: |
1232 | .fail_and_free_dll: |
1244 | mov eax, esi |
1233 | mov eax, esi |
1245 | call free |
1234 | call free |
1246 | .fail_and_free_coff: |
1235 | .fail_and_free_coff: |
1247 | stdcall kernel_free, [coff] |
1236 | stdcall kernel_free, [coff] |
1248 | .fail: |
1237 | .fail: |
1249 | xor eax, eax |
1238 | xor eax, eax |
1250 | ret |
1239 | ret |
1251 | .fail_and_free_user: |
1240 | .fail_and_free_user: |
1252 | stdcall user_free, [img_base] |
1241 | stdcall user_free, [img_base] |
1253 | .fail_and_dereference: |
1242 | .fail_and_dereference: |
1254 | mov eax, 1 ; delete 1 reference |
1243 | mov eax, 1 ; delete 1 reference |
1255 | call dereference_dll |
1244 | call dereference_dll |
1256 | xor eax, eax |
1245 | xor eax, eax |
1257 | ret |
1246 | ret |
1258 | endp |
1247 | endp |
1259 | 1248 | ||
1260 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
1249 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
1261 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
1250 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
1262 | ; kept in sync for all threads of one process. |
1251 | ; kept in sync for all threads of one process. |
1263 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
1252 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
1264 | ; NULL if memory allocation failed |
1253 | ; NULL if memory allocation failed |
1265 | init_dlls_in_thread: |
1254 | init_dlls_in_thread: |
1266 | mov ebx, [current_slot] |
1255 | mov ebx, [current_slot] |
1267 | mov eax, [ebx+APPDATA.dlls_list_ptr] |
1256 | mov eax, [ebx+APPDATA.dlls_list_ptr] |
1268 | test eax, eax |
1257 | test eax, eax |
1269 | jnz .ret |
1258 | jnz .ret |
1270 | push [ebx+APPDATA.dir_table] |
1259 | push [ebx+APPDATA.dir_table] |
1271 | mov eax, 8 |
1260 | mov eax, 8 |
1272 | call malloc |
1261 | call malloc |
1273 | pop edx |
1262 | pop edx |
1274 | test eax, eax |
1263 | test eax, eax |
1275 | jz .ret |
1264 | jz .ret |
1276 | mov [eax], eax |
1265 | mov [eax], eax |
1277 | mov [eax+4], eax |
1266 | mov [eax+4], eax |
1278 | mov ecx, [TASK_COUNT] |
1267 | mov ecx, [TASK_COUNT] |
1279 | mov ebx, SLOT_BASE+256 |
1268 | mov ebx, SLOT_BASE+256 |
1280 | .set: |
1269 | .set: |
1281 | cmp [ebx+APPDATA.dir_table], edx |
1270 | cmp [ebx+APPDATA.dir_table], edx |
1282 | jnz @f |
1271 | jnz @f |
1283 | mov [ebx+APPDATA.dlls_list_ptr], eax |
1272 | mov [ebx+APPDATA.dlls_list_ptr], eax |
1284 | @@: |
1273 | @@: |
1285 | add ebx, 256 |
1274 | add ebx, 256 |
1286 | dec ecx |
1275 | dec ecx |
1287 | jnz .set |
1276 | jnz .set |
1288 | .ret: |
1277 | .ret: |
1289 | ret |
1278 | ret |
1290 | 1279 | ||
1291 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
1280 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
1292 | dereference_dll: |
1281 | dereference_dll: |
1293 | sub [esi+DLLDESCR.refcount], eax |
1282 | sub [esi+DLLDESCR.refcount], eax |
1294 | jnz .ret |
1283 | jnz .ret |
1295 | mov eax, [esi+DLLDESCR.fd] |
1284 | mov eax, [esi+DLLDESCR.fd] |
1296 | mov edx, [esi+DLLDESCR.bk] |
1285 | mov edx, [esi+DLLDESCR.bk] |
1297 | mov [eax+DLLDESCR.bk], edx |
1286 | mov [eax+DLLDESCR.bk], edx |
1298 | mov [edx+DLLDESCR.fd], eax |
1287 | mov [edx+DLLDESCR.fd], eax |
1299 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
1288 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
1300 | stdcall kernel_free, [esi+DLLDESCR.data] |
1289 | stdcall kernel_free, [esi+DLLDESCR.data] |
1301 | mov eax, esi |
1290 | mov eax, esi |
1302 | call free |
1291 | call free |
1303 | .ret: |
1292 | .ret: |
1304 | ret |
1293 | ret |
1305 | 1294 | ||
1306 | destroy_hdll: |
1295 | destroy_hdll: |
1307 | push ebx ecx esi edi |
1296 | push ebx ecx esi edi |
1308 | push eax |
1297 | push eax |
1309 | mov ebx, [eax+HDLL.base] |
1298 | mov ebx, [eax+HDLL.base] |
1310 | mov esi, [eax+HDLL.parent] |
1299 | mov esi, [eax+HDLL.parent] |
1311 | mov edx, [esi+DLLDESCR.size] |
1300 | mov edx, [esi+DLLDESCR.size] |
1312 | ; The following actions require the context of application where HDLL is mapped. |
1301 | ; The following actions require the context of application where HDLL is mapped. |
1313 | ; However, destroy_hdll can be called in the context of OS thread when |
1302 | ; However, destroy_hdll can be called in the context of OS thread when |
1314 | ; cleaning up objects created by the application which is destroyed. |
1303 | ; cleaning up objects created by the application which is destroyed. |
1315 | ; So remember current cr3 and set it to page table of target. |
1304 | ; So remember current cr3 and set it to page table of target. |
1316 | mov eax, [ecx+APPDATA.dir_table] |
1305 | mov eax, [ecx+APPDATA.dir_table] |
1317 | ; Because we cheat with cr3, disable interrupts: task switch would restore |
1306 | ; Because we cheat with cr3, disable interrupts: task switch would restore |
1318 | ; page table from APPDATA of current thread. |
1307 | ; page table from APPDATA of current thread. |
1319 | ; Also set [current_slot] because it is used by user_free. |
1308 | ; Also set [current_slot] because it is used by user_free. |
1320 | pushf |
1309 | pushf |
1321 | cli |
1310 | cli |
1322 | push [current_slot] |
1311 | push [current_slot] |
1323 | mov [current_slot], ecx |
1312 | mov [current_slot], ecx |
1324 | mov ecx, cr3 |
1313 | mov ecx, cr3 |
1325 | push ecx |
1314 | push ecx |
1326 | mov cr3, eax |
1315 | mov cr3, eax |
1327 | push ebx ; argument for user_free |
1316 | push ebx ; argument for user_free |
1328 | mov eax, ebx |
1317 | mov eax, ebx |
1329 | shr ebx, 12 |
1318 | shr ebx, 12 |
1330 | push ebx |
1319 | push ebx |
1331 | mov esi, [esi+DLLDESCR.data] |
1320 | mov esi, [esi+DLLDESCR.data] |
1332 | shr esi, 12 |
1321 | shr esi, 12 |
1333 | .unmap_loop: |
1322 | .unmap_loop: |
1334 | push eax |
1323 | push eax |
1335 | mov eax, 2 |
1324 | mov eax, 2 |
1336 | xchg eax, [page_tabs+ebx*4] |
1325 | xchg eax, [page_tabs+ebx*4] |
1337 | mov ecx, [page_tabs+esi*4] |
1326 | mov ecx, [page_tabs+esi*4] |
1338 | and eax, not 0xFFF |
1327 | and eax, not 0xFFF |
1339 | and ecx, not 0xFFF |
1328 | and ecx, not 0xFFF |
1340 | cmp eax, ecx |
1329 | cmp eax, ecx |
1341 | jz @f |
1330 | jz @f |
1342 | call free_page |
1331 | call free_page |
1343 | @@: |
1332 | @@: |
1344 | pop eax |
1333 | pop eax |
1345 | invlpg [eax] |
1334 | invlpg [eax] |
1346 | add eax, 0x1000 |
1335 | add eax, 0x1000 |
1347 | inc ebx |
1336 | inc ebx |
1348 | inc esi |
1337 | inc esi |
1349 | sub edx, 0x1000 |
1338 | sub edx, 0x1000 |
1350 | ja .unmap_loop |
1339 | ja .unmap_loop |
1351 | pop ebx |
1340 | pop ebx |
1352 | and dword [page_tabs+(ebx-1)*4], not DONT_FREE_BLOCK |
1341 | and dword [page_tabs+(ebx-1)*4], not DONT_FREE_BLOCK |
1353 | call user_free |
1342 | call user_free |
1354 | ; Restore context. |
1343 | ; Restore context. |
1355 | pop eax |
1344 | pop eax |
1356 | mov cr3, eax |
1345 | mov cr3, eax |
1357 | pop [current_slot] |
1346 | pop [current_slot] |
1358 | popf |
1347 | popf |
1359 | ; Ok, cheating is done. |
1348 | ; Ok, cheating is done. |
1360 | pop eax |
1349 | pop eax |
1361 | push eax |
1350 | push eax |
1362 | mov esi, [eax+HDLL.parent] |
1351 | mov esi, [eax+HDLL.parent] |
1363 | mov eax, [eax+HDLL.refcount] |
1352 | mov eax, [eax+HDLL.refcount] |
1364 | call dereference_dll |
1353 | call dereference_dll |
1365 | pop eax |
1354 | pop eax |
1366 | mov edx, [eax+HDLL.bk] |
1355 | mov edx, [eax+HDLL.bk] |
1367 | mov ebx, [eax+HDLL.fd] |
1356 | mov ebx, [eax+HDLL.fd] |
1368 | mov [ebx+HDLL.bk], edx |
1357 | mov [ebx+HDLL.bk], edx |
1369 | mov [edx+HDLL.fd], ebx |
1358 | mov [edx+HDLL.fd], ebx |
1370 | call free |
1359 | call free |
1371 | pop edi esi ecx ebx |
1360 | pop edi esi ecx ebx |
1372 | ret |
1361 | ret |
1373 | 1362 | ||
1374 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
1363 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
1375 | destroy_all_hdlls: |
1364 | destroy_all_hdlls: |
1376 | test esi, esi |
1365 | test esi, esi |
1377 | jz .ret |
1366 | jz .ret |
1378 | .loop: |
1367 | .loop: |
1379 | mov eax, [esi+HDLL.fd] |
1368 | mov eax, [esi+HDLL.fd] |
1380 | cmp eax, esi |
1369 | cmp eax, esi |
1381 | jz free |
1370 | jz free |
1382 | call destroy_hdll |
1371 | call destroy_hdll |
1383 | jmp .loop |
1372 | jmp .loop |
1384 | .ret: |
1373 | .ret: |
1385 | ret |
1374 | ret |
1386 | 1375 | ||
1387 | align 4 |
1376 | align 4 |
1388 | stop_all_services: |
1377 | stop_all_services: |
1389 | push ebp |
1378 | push ebp |
1390 | mov edx, [srv.fd] |
1379 | mov edx, [srv.fd] |
1391 | .next: |
1380 | .next: |
1392 | cmp edx, srv.fd-SRV.fd |
1381 | cmp edx, srv.fd-SRV.fd |
1393 | je .done |
1382 | je .done |
1394 | cmp [edx+SRV.magic], ' SRV' |
1383 | cmp [edx+SRV.magic], ' SRV' |
1395 | jne .next |
1384 | jne .next |
1396 | cmp [edx+SRV.size], sizeof.SRV |
1385 | cmp [edx+SRV.size], sizeof.SRV |
1397 | jne .next |
1386 | jne .next |
1398 | 1387 | ||
1399 | mov ebx, [edx+SRV.entry] |
1388 | mov ebx, [edx+SRV.entry] |
1400 | mov edx, [edx+SRV.fd] |
1389 | mov edx, [edx+SRV.fd] |
1401 | test ebx, ebx |
1390 | test ebx, ebx |
1402 | jz .next |
1391 | jz .next |
1403 | 1392 | ||
1404 | push edx |
1393 | push edx |
1405 | mov ebp, esp |
1394 | mov ebp, esp |
1406 | push 0 |
1395 | push 0 |
1407 | push -1 |
1396 | push -1 |
1408 | call ebx |
1397 | call ebx |
1409 | mov esp, ebp |
1398 | mov esp, ebp |
1410 | pop edx |
1399 | pop edx |
1411 | jmp .next |
1400 | jmp .next |
1412 | .done: |
1401 | .done: |
1413 | pop ebp |
1402 | pop ebp |
1414 | ret |
1403 | ret |
1415 | 1404 | ||
1416 | ; param |
1405 | ; param |
1417 | ; eax= size |
1406 | ; eax= size |
1418 | ; ebx= pid |
1407 | ; ebx= pid |
1419 | 1408 | ||
1420 | align 4 |
1409 | align 4 |
1421 | create_kernel_object: |
1410 | create_kernel_object: |
1422 | 1411 | ||
1423 | push ebx |
1412 | push ebx |
1424 | call malloc |
1413 | call malloc |
1425 | pop ebx |
1414 | pop ebx |
1426 | test eax, eax |
1415 | test eax, eax |
1427 | jz .fail |
1416 | jz .fail |
1428 | 1417 | ||
1429 | mov ecx, [current_slot] |
1418 | mov ecx, [current_slot] |
1430 | add ecx, APP_OBJ_OFFSET |
1419 | add ecx, APP_OBJ_OFFSET |
1431 | 1420 | ||
1432 | pushfd |
1421 | pushfd |
1433 | cli |
1422 | cli |
1434 | mov edx, [ecx+APPOBJ.fd] |
1423 | mov edx, [ecx+APPOBJ.fd] |
1435 | mov [eax+APPOBJ.fd], edx |
1424 | mov [eax+APPOBJ.fd], edx |
1436 | mov [eax+APPOBJ.bk], ecx |
1425 | mov [eax+APPOBJ.bk], ecx |
1437 | mov [eax+APPOBJ.pid], ebx |
1426 | mov [eax+APPOBJ.pid], ebx |
1438 | 1427 | ||
1439 | mov [ecx+APPOBJ.fd], eax |
1428 | mov [ecx+APPOBJ.fd], eax |
1440 | mov [edx+APPOBJ.bk], eax |
1429 | mov [edx+APPOBJ.bk], eax |
1441 | popfd |
1430 | popfd |
1442 | .fail: |
1431 | .fail: |
1443 | ret |
1432 | ret |
1444 | 1433 | ||
1445 | ; param |
1434 | ; param |
1446 | ; eax= object |
1435 | ; eax= object |
1447 | 1436 | ||
1448 | align 4 |
1437 | align 4 |
1449 | destroy_kernel_object: |
1438 | destroy_kernel_object: |
1450 | 1439 | ||
1451 | pushfd |
1440 | pushfd |
1452 | cli |
1441 | cli |
1453 | mov ebx, [eax+APPOBJ.fd] |
1442 | mov ebx, [eax+APPOBJ.fd] |
1454 | mov ecx, [eax+APPOBJ.bk] |
1443 | mov ecx, [eax+APPOBJ.bk] |
1455 | mov [ebx+APPOBJ.bk], ecx |
1444 | mov [ebx+APPOBJ.bk], ecx |
1456 | mov [ecx+APPOBJ.fd], ebx |
1445 | mov [ecx+APPOBJ.fd], ebx |
1457 | popfd |
1446 | popfd |
1458 | 1447 | ||
1459 | xor edx, edx ;clear common header |
1448 | xor edx, edx ;clear common header |
1460 | mov [eax], edx |
1449 | mov [eax], edx |
1461 | mov [eax+4], edx |
1450 | mov [eax+4], edx |
1462 | mov [eax+8], edx |
1451 | mov [eax+8], edx |
1463 | mov [eax+12], edx |
1452 | mov [eax+12], edx |
1464 | mov [eax+16], edx |
1453 | mov [eax+16], edx |
1465 | 1454 | ||
1466 | call free ;release object memory |
1455 | call free ;release object memory |
1467 | ret |
1456 | ret |