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1 | GREEDY_KERNEL equ 0 |
1 | $Revision: 437 $ |
- | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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- | 3 | ;; ;; |
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- | 4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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- | 5 | ;; Distributed under terms of the GNU General Public License ;; |
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- | 6 | ;; ;; |
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- | 7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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- | 8 | ||
2 | 9 | GREEDY_KERNEL equ 0 |
|
3 | 10 | ||
4 | struc APP_HEADER_00 |
11 | struc APP_HEADER_00 |
5 | { .banner dq ? |
12 | { .banner dq ? |
6 | .version dd ? ;+8 |
13 | .version dd ? ;+8 |
7 | .start dd ? ;+12 |
14 | .start dd ? ;+12 |
8 | .i_end dd ? ;+16 |
15 | .i_end dd ? ;+16 |
9 | .mem_size dd ? ;+20 |
16 | .mem_size dd ? ;+20 |
10 | .i_param dd ? ;+24 |
17 | .i_param dd ? ;+24 |
11 | } |
18 | } |
12 | 19 | ||
13 | struc APP_HEADER_01 |
20 | struc APP_HEADER_01 |
14 | { .banner dq ? |
21 | { .banner dq ? |
15 | .version dd ? ;+8 |
22 | .version dd ? ;+8 |
16 | .start dd ? ;+12 |
23 | .start dd ? ;+12 |
17 | .i_end dd ? ;+16 |
24 | .i_end dd ? ;+16 |
18 | .mem_size dd ? ;+20 |
25 | .mem_size dd ? ;+20 |
19 | .stack_top dd ? ;+24 |
26 | .stack_top dd ? ;+24 |
20 | .i_param dd ? ;+28 |
27 | .i_param dd ? ;+28 |
21 | .i_icon dd ? ;+32 |
28 | .i_icon dd ? ;+32 |
22 | } |
29 | } |
23 | 30 | ||
24 | 31 | ||
25 | struc APP_PARAMS |
32 | struc APP_PARAMS |
26 | { .app_cmdline ;0x00 |
33 | { .app_cmdline ;0x00 |
27 | .app_path ;0x04 |
34 | .app_path ;0x04 |
28 | .app_eip ;0x08 |
35 | .app_eip ;0x08 |
29 | .app_esp ;0x0C |
36 | .app_esp ;0x0C |
30 | .app_mem ;0x10 |
37 | .app_mem ;0x10 |
31 | } |
38 | } |
32 | 39 | ||
33 | macro _clear_ op |
40 | macro _clear_ op |
34 | { mov ecx, op/4 |
41 | { mov ecx, op/4 |
35 | xor eax, eax |
42 | xor eax, eax |
36 | cld |
43 | cld |
37 | rep stosd |
44 | rep stosd |
38 | } |
45 | } |
39 | 46 | ||
40 | 47 | ||
41 | align 4 |
48 | align 4 |
42 | proc fs_execute |
49 | proc fs_execute |
43 | 50 | ||
44 | ;fn_read:dword, file_size:dword, cluster:dword |
51 | ;fn_read:dword, file_size:dword, cluster:dword |
45 | 52 | ||
46 | ; ebx - cmdline |
53 | ; ebx - cmdline |
47 | ; edx - flags |
54 | ; edx - flags |
48 | ; ebp - full filename |
55 | ; ebp - full filename |
49 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
56 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
50 | 57 | ||
51 | locals |
58 | locals |
52 | cmdline rd 64 ;256/4 |
59 | cmdline rd 64 ;256/4 |
53 | filename rd 256 ;1024/4 |
60 | filename rd 256 ;1024/4 |
54 | flags dd ? |
61 | flags dd ? |
55 | 62 | ||
56 | save_cr3 dd ? |
63 | save_cr3 dd ? |
57 | slot dd ? |
64 | slot dd ? |
58 | slot_base dd ? |
65 | slot_base dd ? |
59 | file_base dd ? |
66 | file_base dd ? |
60 | file_size dd ? |
67 | file_size dd ? |
61 | ;app header data |
68 | ;app header data |
62 | hdr_cmdline dd ? ;0x00 |
69 | hdr_cmdline dd ? ;0x00 |
63 | hdr_path dd ? ;0x04 |
70 | hdr_path dd ? ;0x04 |
64 | hdr_eip dd ? ;0x08 |
71 | hdr_eip dd ? ;0x08 |
65 | hdr_esp dd ? ;0x0C |
72 | hdr_esp dd ? ;0x0C |
66 | hdr_mem dd ? ;0x10 |
73 | hdr_mem dd ? ;0x10 |
67 | hdr_i_end dd ? ;0x14 |
74 | hdr_i_end dd ? ;0x14 |
68 | endl |
75 | endl |
69 | 76 | ||
70 | pushad |
77 | pushad |
71 | 78 | ||
72 | mov [cmdline], ebx |
79 | mov [cmdline], ebx |
73 | mov [flags], edx |
80 | mov [flags], edx |
74 | 81 | ||
75 | ; [ebp] pointer to filename |
82 | ; [ebp] pointer to filename |
76 | 83 | ||
77 | lea eax, [filename] |
84 | lea eax, [filename] |
78 | mov dword [eax+1020],0 ;force terminate |
85 | mov dword [eax+1020],0 ;force terminate |
79 | ;string |
86 | ;string |
80 | stdcall k_strncpy, eax, [ebp], 1023 |
87 | stdcall k_strncpy, eax, [ebp], 1023 |
81 | 88 | ||
82 | lea eax, [cmdline] |
89 | lea eax, [cmdline] |
83 | mov dword [eax+252], 0 |
90 | mov dword [eax+252], 0 |
84 | stdcall k_strncpy, eax, [cmdline], 255 |
91 | stdcall k_strncpy, eax, [cmdline], 255 |
85 | 92 | ||
86 | lea eax, [filename] |
93 | lea eax, [filename] |
87 | stdcall load_file, eax |
94 | stdcall load_file, eax |
88 | mov ecx, -ERROR_FILE_NOT_FOUND |
95 | mov ecx, -ERROR_FILE_NOT_FOUND |
89 | test eax, eax |
96 | test eax, eax |
90 | jz .err_file |
97 | jz .err_file |
91 | 98 | ||
92 | mov [file_base], eax |
99 | mov [file_base], eax |
93 | mov [file_size], ebx |
100 | mov [file_size], ebx |
94 | 101 | ||
95 | lea ebx, [hdr_cmdline] |
102 | lea ebx, [hdr_cmdline] |
96 | call test_app_header |
103 | call test_app_header |
97 | mov ecx, -0x1F |
104 | mov ecx, -0x1F |
98 | test eax, eax |
105 | test eax, eax |
99 | jz .err_hdr |
106 | jz .err_hdr |
100 | 107 | ||
101 | mov esi, new_process_loading |
108 | mov esi, new_process_loading |
102 | call sys_msg_board_str ; write message to message board |
109 | call sys_msg_board_str ; write message to message board |
103 | 110 | ||
104 | .wait_lock: |
111 | .wait_lock: |
105 | cmp [application_table_status],0 |
112 | cmp [application_table_status],0 |
106 | je .get_lock |
113 | je .get_lock |
107 | call change_task |
114 | call change_task |
108 | jmp .wait_lock |
115 | jmp .wait_lock |
109 | 116 | ||
110 | .get_lock: |
117 | .get_lock: |
111 | mov eax, 1 |
118 | mov eax, 1 |
112 | xchg eax, [application_table_status] |
119 | xchg eax, [application_table_status] |
113 | cmp eax, 0 |
120 | cmp eax, 0 |
114 | jne .wait_lock |
121 | jne .wait_lock |
115 | 122 | ||
116 | call set_application_table_status |
123 | call set_application_table_status |
117 | 124 | ||
118 | call get_new_process_place |
125 | call get_new_process_place |
119 | test eax, eax |
126 | test eax, eax |
120 | mov ecx, -0x20 ; too many processes |
127 | mov ecx, -0x20 ; too many processes |
121 | jz .err |
128 | jz .err |
122 | 129 | ||
123 | mov [slot], eax |
130 | mov [slot], eax |
124 | shl eax, 8 |
131 | shl eax, 8 |
125 | add eax, SLOT_BASE |
132 | add eax, SLOT_BASE |
126 | mov [slot_base], eax |
133 | mov [slot_base], eax |
127 | mov edi, eax |
134 | mov edi, eax |
128 | _clear_ 256 ;clean extended information about process |
135 | _clear_ 256 ;clean extended information about process |
129 | 136 | ||
130 | ; write application name |
137 | ; write application name |
131 | lea edi, [filename] |
138 | lea edi, [filename] |
132 | mov al, '/' |
139 | mov al, '/' |
133 | call k_strrchr ; now eax points to name without path |
140 | call k_strrchr ; now eax points to name without path |
134 | 141 | ||
135 | lea esi, [eax+1] |
142 | lea esi, [eax+1] |
136 | test eax, eax |
143 | test eax, eax |
137 | jnz @F |
144 | jnz @F |
138 | lea esi, [filename] |
145 | lea esi, [filename] |
139 | @@: |
146 | @@: |
140 | mov ecx, 8 ; 8 chars for name |
147 | mov ecx, 8 ; 8 chars for name |
141 | mov edi, [slot_base] |
148 | mov edi, [slot_base] |
142 | .copy_process_name_loop: |
149 | .copy_process_name_loop: |
143 | lodsb |
150 | lodsb |
144 | cmp al, '.' |
151 | cmp al, '.' |
145 | jz .copy_process_name_done |
152 | jz .copy_process_name_done |
146 | test al, al |
153 | test al, al |
147 | jz .copy_process_name_done |
154 | jz .copy_process_name_done |
148 | stosb |
155 | stosb |
149 | loop .copy_process_name_loop |
156 | loop .copy_process_name_loop |
150 | .copy_process_name_done: |
157 | .copy_process_name_done: |
151 | 158 | ||
152 | mov ebx, cr3 |
159 | mov ebx, cr3 |
153 | mov [save_cr3], ebx |
160 | mov [save_cr3], ebx |
154 | 161 | ||
155 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
162 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
156 | mov ecx, -30 ; no memory |
163 | mov ecx, -30 ; no memory |
157 | test eax, eax |
164 | test eax, eax |
158 | jz .failed |
165 | jz .failed |
159 | 166 | ||
160 | mov ebx,[slot_base] |
167 | mov ebx,[slot_base] |
161 | mov [ebx+APPDATA.dir_table],eax |
168 | mov [ebx+APPDATA.dir_table],eax |
162 | mov eax,[hdr_mem] |
169 | mov eax,[hdr_mem] |
163 | mov [ebx+APPDATA.mem_size],eax |
170 | mov [ebx+APPDATA.mem_size],eax |
164 | 171 | ||
165 | if GREEDY_KERNEL |
172 | if GREEDY_KERNEL |
166 | else |
173 | else |
167 | mov ecx, [hdr_mem] |
174 | mov ecx, [hdr_mem] |
168 | mov edi, [file_size] |
175 | mov edi, [file_size] |
169 | add edi, 4095 |
176 | add edi, 4095 |
170 | and edi, not 4095 |
177 | and edi, not 4095 |
171 | sub ecx, edi |
178 | sub ecx, edi |
172 | jna @F |
179 | jna @F |
173 | 180 | ||
174 | xor eax, eax |
181 | xor eax, eax |
175 | ; add edi, new_app_base |
182 | ; add edi, new_app_base |
176 | cld |
183 | cld |
177 | rep stosb |
184 | rep stosb |
178 | @@: |
185 | @@: |
179 | end if |
186 | end if |
180 | 187 | ||
181 | ; release only virtual space, not phisical memory |
188 | ; release only virtual space, not phisical memory |
182 | 189 | ||
183 | stdcall free_kernel_space, [file_base] |
190 | stdcall free_kernel_space, [file_base] |
184 | lea eax, [hdr_cmdline] |
191 | lea eax, [hdr_cmdline] |
185 | lea ebx, [cmdline] |
192 | lea ebx, [cmdline] |
186 | lea ecx, [filename] |
193 | lea ecx, [filename] |
187 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
194 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
188 | 195 | ||
189 | mov eax, [save_cr3] |
196 | mov eax, [save_cr3] |
190 | call set_cr3 |
197 | call set_cr3 |
191 | 198 | ||
192 | xor ebx, ebx |
199 | xor ebx, ebx |
193 | mov [application_table_status],ebx ;unlock application_table_status mutex |
200 | mov [application_table_status],ebx ;unlock application_table_status mutex |
194 | mov eax,[process_number] ;set result |
201 | mov eax,[process_number] ;set result |
195 | ret |
202 | ret |
196 | .failed: |
203 | .failed: |
197 | mov eax, [save_cr3] |
204 | mov eax, [save_cr3] |
198 | call set_cr3 |
205 | call set_cr3 |
199 | .err: |
206 | .err: |
200 | .err_hdr: |
207 | .err_hdr: |
201 | stdcall kernel_free,[file_base] |
208 | stdcall kernel_free,[file_base] |
202 | .err_file: |
209 | .err_file: |
203 | xor eax, eax |
210 | xor eax, eax |
204 | mov [application_table_status],eax |
211 | mov [application_table_status],eax |
205 | mov eax, ecx |
212 | mov eax, ecx |
206 | ret |
213 | ret |
207 | endp |
214 | endp |
208 | 215 | ||
209 | align 4 |
216 | align 4 |
210 | test_app_header: |
217 | test_app_header: |
211 | virtual at eax |
218 | virtual at eax |
212 | APP_HEADER_00 APP_HEADER_00 |
219 | APP_HEADER_00 APP_HEADER_00 |
213 | end virtual |
220 | end virtual |
214 | virtual at eax |
221 | virtual at eax |
215 | APP_HEADER_01 APP_HEADER_01 |
222 | APP_HEADER_01 APP_HEADER_01 |
216 | end virtual |
223 | end virtual |
217 | 224 | ||
218 | cmp dword [eax], 'MENU' |
225 | cmp dword [eax], 'MENU' |
219 | jne .fail |
226 | jne .fail |
220 | cmp word [eax+4],'ET' |
227 | cmp word [eax+4],'ET' |
221 | jne .fail |
228 | jne .fail |
222 | 229 | ||
223 | cmp [eax+6], word '00' |
230 | cmp [eax+6], word '00' |
224 | jne .check_01_header |
231 | jne .check_01_header |
225 | 232 | ||
226 | mov ecx,[APP_HEADER_00.start] |
233 | mov ecx,[APP_HEADER_00.start] |
227 | mov [ebx+0x08], ecx ;app_eip |
234 | mov [ebx+0x08], ecx ;app_eip |
228 | mov edx,[APP_HEADER_00.mem_size] |
235 | mov edx,[APP_HEADER_00.mem_size] |
229 | mov [ebx+0x10], edx ;app_mem |
236 | mov [ebx+0x10], edx ;app_mem |
230 | shr edx,1 |
237 | shr edx,1 |
231 | sub edx,0x10 |
238 | sub edx,0x10 |
232 | mov [ebx+0x0C], edx ;app_esp |
239 | mov [ebx+0x0C], edx ;app_esp |
233 | mov ecx,[APP_HEADER_00.i_param] |
240 | mov ecx,[APP_HEADER_00.i_param] |
234 | mov [ebx], ecx ;app_cmdline |
241 | mov [ebx], ecx ;app_cmdline |
235 | mov [ebx+4], dword 0 ;app_path |
242 | mov [ebx+4], dword 0 ;app_path |
236 | mov edx, [APP_HEADER_00.i_end] |
243 | mov edx, [APP_HEADER_00.i_end] |
237 | mov [ebx+0x14], edx |
244 | mov [ebx+0x14], edx |
238 | ret |
245 | ret |
239 | 246 | ||
240 | .check_01_header: |
247 | .check_01_header: |
241 | 248 | ||
242 | cmp [eax+6],word '01' |
249 | cmp [eax+6],word '01' |
243 | jne .fail |
250 | jne .fail |
244 | 251 | ||
245 | mov ecx,[APP_HEADER_01.start] |
252 | mov ecx,[APP_HEADER_01.start] |
246 | mov [ebx+0x08], ecx ;app_eip |
253 | mov [ebx+0x08], ecx ;app_eip |
247 | mov edx,[APP_HEADER_01.mem_size] |
254 | mov edx,[APP_HEADER_01.mem_size] |
248 | 255 | ||
249 | ; \begin{diamond}[20.08.2006] |
256 | ; \begin{diamond}[20.08.2006] |
250 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
257 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
251 | ; fit in allocated memory to prevent kernel faults) |
258 | ; fit in allocated memory to prevent kernel faults) |
252 | cmp edx,[APP_HEADER_01.i_end] |
259 | cmp edx,[APP_HEADER_01.i_end] |
253 | jb .fail |
260 | jb .fail |
254 | ; \end{diamond}[20.08.2006] |
261 | ; \end{diamond}[20.08.2006] |
255 | 262 | ||
256 | mov [ebx+0x10], edx ;app_mem |
263 | mov [ebx+0x10], edx ;app_mem |
257 | mov ecx,[APP_HEADER_01.stack_top] |
264 | mov ecx,[APP_HEADER_01.stack_top] |
258 | mov [ebx+0x0C], ecx ;app_esp |
265 | mov [ebx+0x0C], ecx ;app_esp |
259 | mov edx,[APP_HEADER_01.i_param] |
266 | mov edx,[APP_HEADER_01.i_param] |
260 | mov [ebx], edx ;app_cmdline |
267 | mov [ebx], edx ;app_cmdline |
261 | mov ecx,[APP_HEADER_01.i_icon] |
268 | mov ecx,[APP_HEADER_01.i_icon] |
262 | mov [ebx+4], ecx ;app_path |
269 | mov [ebx+4], ecx ;app_path |
263 | mov edx, [APP_HEADER_01.i_end] |
270 | mov edx, [APP_HEADER_01.i_end] |
264 | mov [ebx+0x14], edx |
271 | mov [ebx+0x14], edx |
265 | ret |
272 | ret |
266 | .fail: |
273 | .fail: |
267 | xor eax, eax |
274 | xor eax, eax |
268 | ret |
275 | ret |
269 | 276 | ||
270 | align 4 |
277 | align 4 |
271 | proc get_new_process_place |
278 | proc get_new_process_place |
272 | ;input: |
279 | ;input: |
273 | ; none |
280 | ; none |
274 | ;result: |
281 | ;result: |
275 | ; eax=[new_process_place]<>0 - ok |
282 | ; eax=[new_process_place]<>0 - ok |
276 | ; 0 - failed. |
283 | ; 0 - failed. |
277 | ;This function find least empty slot. |
284 | ;This function find least empty slot. |
278 | ;It doesn't increase [TASK_COUNT]! |
285 | ;It doesn't increase [TASK_COUNT]! |
279 | mov eax,CURRENT_TASK |
286 | mov eax,CURRENT_TASK |
280 | mov ebx,[TASK_COUNT] |
287 | mov ebx,[TASK_COUNT] |
281 | inc ebx |
288 | inc ebx |
282 | shl ebx,5 |
289 | shl ebx,5 |
283 | add ebx,eax ;ebx - address of process information for (last+1) slot |
290 | add ebx,eax ;ebx - address of process information for (last+1) slot |
284 | .newprocessplace: |
291 | .newprocessplace: |
285 | ;eax = address of process information for current slot |
292 | ;eax = address of process information for current slot |
286 | cmp eax,ebx |
293 | cmp eax,ebx |
287 | jz .endnewprocessplace ;empty slot after high boundary |
294 | jz .endnewprocessplace ;empty slot after high boundary |
288 | add eax,0x20 |
295 | add eax,0x20 |
289 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
296 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
290 | jnz .newprocessplace |
297 | jnz .newprocessplace |
291 | .endnewprocessplace: |
298 | .endnewprocessplace: |
292 | mov ebx,eax |
299 | mov ebx,eax |
293 | sub eax,CURRENT_TASK |
300 | sub eax,CURRENT_TASK |
294 | shr eax,5 ;calculate slot index |
301 | shr eax,5 ;calculate slot index |
295 | cmp eax,256 |
302 | cmp eax,256 |
296 | jge .failed ;it should be <256 |
303 | jge .failed ;it should be <256 |
297 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
304 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
298 | ret |
305 | ret |
299 | .failed: |
306 | .failed: |
300 | xor eax,eax |
307 | xor eax,eax |
301 | ret |
308 | ret |
302 | endp |
309 | endp |
303 | 310 | ||
304 | align 4 |
311 | align 4 |
305 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
312 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
306 | locals |
313 | locals |
307 | app_pages dd ? |
314 | app_pages dd ? |
308 | img_pages dd ? |
315 | img_pages dd ? |
309 | dir_addr dd ? |
316 | dir_addr dd ? |
310 | app_tabs dd ? |
317 | app_tabs dd ? |
311 | endl |
318 | endl |
312 | 319 | ||
313 | mov ebx, pg_data.pg_mutex |
320 | mov ebx, pg_data.pg_mutex |
314 | call wait_mutex ;ebx |
321 | call wait_mutex ;ebx |
315 | 322 | ||
316 | xor eax, eax |
323 | xor eax, eax |
317 | mov [dir_addr], eax |
324 | mov [dir_addr], eax |
318 | 325 | ||
319 | mov eax, [app_size] |
326 | mov eax, [app_size] |
320 | add eax, 4095 |
327 | add eax, 4095 |
321 | and eax, NOT(4095) |
328 | and eax, NOT(4095) |
322 | mov [app_size], eax |
329 | mov [app_size], eax |
323 | mov ebx, eax |
330 | mov ebx, eax |
324 | shr eax, 12 |
331 | shr eax, 12 |
325 | mov [app_pages], eax |
332 | mov [app_pages], eax |
326 | 333 | ||
327 | add ebx, 0x3FFFFF |
334 | add ebx, 0x3FFFFF |
328 | and ebx, NOT(0x3FFFFF) |
335 | and ebx, NOT(0x3FFFFF) |
329 | shr ebx, 22 |
336 | shr ebx, 22 |
330 | mov [app_tabs], ebx |
337 | mov [app_tabs], ebx |
331 | 338 | ||
332 | mov ecx, [img_size] |
339 | mov ecx, [img_size] |
333 | add ecx, 4095 |
340 | add ecx, 4095 |
334 | and ecx, NOT(4095) |
341 | and ecx, NOT(4095) |
335 | 342 | ||
336 | mov [img_size], ecx |
343 | mov [img_size], ecx |
337 | shr ecx, 12 |
344 | shr ecx, 12 |
338 | mov [img_pages], ecx |
345 | mov [img_pages], ecx |
339 | 346 | ||
340 | if GREEDY_KERNEL |
347 | if GREEDY_KERNEL |
341 | lea eax, [ecx+ebx+2] ;only image size |
348 | lea eax, [ecx+ebx+2] ;only image size |
342 | else |
349 | else |
343 | lea eax, [eax+ebx+2] ;all requested memory |
350 | lea eax, [eax+ebx+2] ;all requested memory |
344 | end if |
351 | end if |
345 | cmp eax, [pg_data.pages_free] |
352 | cmp eax, [pg_data.pages_free] |
346 | ja .fail |
353 | ja .fail |
347 | 354 | ||
348 | call alloc_page |
355 | call alloc_page |
349 | test eax, eax |
356 | test eax, eax |
350 | jz .fail |
357 | jz .fail |
351 | mov [dir_addr], eax |
358 | mov [dir_addr], eax |
352 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
359 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
353 | 360 | ||
354 | mov edi, [tmp_task_pdir] |
361 | mov edi, [tmp_task_pdir] |
355 | mov ecx, (OS_BASE shr 20)/4 |
362 | mov ecx, (OS_BASE shr 20)/4 |
356 | xor eax, eax |
363 | xor eax, eax |
357 | cld |
364 | cld |
358 | rep stosd |
365 | rep stosd |
359 | 366 | ||
360 | mov ecx, (OS_BASE shr 20)/4 |
367 | mov ecx, (OS_BASE shr 20)/4 |
361 | mov esi, sys_pgdir+(OS_BASE shr 20) |
368 | mov esi, sys_pgdir+(OS_BASE shr 20) |
362 | rep movsd |
369 | rep movsd |
363 | 370 | ||
364 | mov eax, [dir_addr] |
371 | mov eax, [dir_addr] |
365 | or eax, PG_SW |
372 | or eax, PG_SW |
366 | mov [edi-4096+(page_tabs shr 20)], eax |
373 | mov [edi-4096+(page_tabs shr 20)], eax |
367 | 374 | ||
368 | and eax, -4096 |
375 | and eax, -4096 |
369 | call set_cr3 |
376 | call set_cr3 |
370 | 377 | ||
371 | mov edx, [app_tabs] |
378 | mov edx, [app_tabs] |
372 | mov edi, new_app_base |
379 | mov edi, new_app_base |
373 | @@: |
380 | @@: |
374 | call alloc_page |
381 | call alloc_page |
375 | test eax, eax |
382 | test eax, eax |
376 | jz .fail |
383 | jz .fail |
377 | 384 | ||
378 | stdcall map_page_table, edi, eax |
385 | stdcall map_page_table, edi, eax |
379 | add edi, 0x00400000 |
386 | add edi, 0x00400000 |
380 | dec edx |
387 | dec edx |
381 | jnz @B |
388 | jnz @B |
382 | 389 | ||
383 | mov edi, new_app_base |
390 | mov edi, new_app_base |
384 | shr edi, 10 |
391 | shr edi, 10 |
385 | add edi, page_tabs |
392 | add edi, page_tabs |
386 | 393 | ||
387 | mov ecx, [app_tabs] |
394 | mov ecx, [app_tabs] |
388 | shl ecx, 10 |
395 | shl ecx, 10 |
389 | xor eax, eax |
396 | xor eax, eax |
390 | rep stosd |
397 | rep stosd |
391 | 398 | ||
392 | mov ecx, [img_pages] |
399 | mov ecx, [img_pages] |
393 | mov ebx, PG_UW |
400 | mov ebx, PG_UW |
394 | mov edx, new_app_base |
401 | mov edx, new_app_base |
395 | mov esi, [img_base] |
402 | mov esi, [img_base] |
396 | mov edi, new_app_base |
403 | mov edi, new_app_base |
397 | shr esi, 10 |
404 | shr esi, 10 |
398 | shr edi, 10 |
405 | shr edi, 10 |
399 | add esi, page_tabs |
406 | add esi, page_tabs |
400 | add edi, page_tabs |
407 | add edi, page_tabs |
401 | .remap: |
408 | .remap: |
402 | lodsd |
409 | lodsd |
403 | or eax, ebx ; force user level r/w access |
410 | or eax, ebx ; force user level r/w access |
404 | stosd |
411 | stosd |
405 | add edx, 0x1000 |
412 | add edx, 0x1000 |
406 | dec [app_pages] |
413 | dec [app_pages] |
407 | dec ecx |
414 | dec ecx |
408 | jnz .remap |
415 | jnz .remap |
409 | 416 | ||
410 | mov ecx, [app_pages] |
417 | mov ecx, [app_pages] |
411 | test ecx, ecx |
418 | test ecx, ecx |
412 | jz .done |
419 | jz .done |
413 | 420 | ||
414 | if GREEDY_KERNEL |
421 | if GREEDY_KERNEL |
415 | mov eax, 0x02 |
422 | mov eax, 0x02 |
416 | .reserve: |
423 | .reserve: |
417 | stosd |
424 | stosd |
418 | invlpg [edx] |
425 | invlpg [edx] |
419 | add edx, 4096 |
426 | add edx, 4096 |
420 | dec ecx |
427 | dec ecx |
421 | jnz .reserve |
428 | jnz .reserve |
422 | else |
429 | else |
423 | 430 | ||
424 | .alloc: |
431 | .alloc: |
425 | call alloc_page |
432 | call alloc_page |
426 | test eax, eax |
433 | test eax, eax |
427 | jz .fail |
434 | jz .fail |
428 | 435 | ||
429 | stdcall map_page,edx,eax,dword PG_UW |
436 | stdcall map_page,edx,eax,dword PG_UW |
430 | add edx, 0x1000 |
437 | add edx, 0x1000 |
431 | dec [app_pages] |
438 | dec [app_pages] |
432 | jnz .alloc |
439 | jnz .alloc |
433 | end if |
440 | end if |
434 | 441 | ||
435 | .done: |
442 | .done: |
436 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
443 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
437 | 444 | ||
438 | dec [pg_data.pg_mutex] |
445 | dec [pg_data.pg_mutex] |
439 | mov eax, [dir_addr] |
446 | mov eax, [dir_addr] |
440 | ret |
447 | ret |
441 | .fail: |
448 | .fail: |
442 | dec [pg_data.pg_mutex] |
449 | dec [pg_data.pg_mutex] |
443 | cmp [dir_addr], 0 |
450 | cmp [dir_addr], 0 |
444 | je @f |
451 | je @f |
445 | stdcall destroy_app_space, [dir_addr] |
452 | stdcall destroy_app_space, [dir_addr] |
446 | @@: |
453 | @@: |
447 | xor eax, eax |
454 | xor eax, eax |
448 | ret |
455 | ret |
449 | endp |
456 | endp |
450 | 457 | ||
451 | align 4 |
458 | align 4 |
452 | set_cr3: |
459 | set_cr3: |
453 | 460 | ||
454 | mov ebx, [current_slot] |
461 | mov ebx, [current_slot] |
455 | mov [ebx+APPDATA.dir_table], eax |
462 | mov [ebx+APPDATA.dir_table], eax |
456 | mov cr3, eax |
463 | mov cr3, eax |
457 | ret |
464 | ret |
458 | 465 | ||
459 | align 4 |
466 | align 4 |
460 | proc destroy_page_table stdcall, pg_tab:dword |
467 | proc destroy_page_table stdcall, pg_tab:dword |
461 | 468 | ||
462 | push esi |
469 | push esi |
463 | 470 | ||
464 | mov esi, [pg_tab] |
471 | mov esi, [pg_tab] |
465 | mov ecx, 1024 |
472 | mov ecx, 1024 |
466 | .free: |
473 | .free: |
467 | mov eax, [esi] |
474 | mov eax, [esi] |
468 | test eax, 1 |
475 | test eax, 1 |
469 | jz .next |
476 | jz .next |
470 | call free_page |
477 | call free_page |
471 | .next: |
478 | .next: |
472 | add esi, 4 |
479 | add esi, 4 |
473 | dec ecx |
480 | dec ecx |
474 | jnz .free |
481 | jnz .free |
475 | pop esi |
482 | pop esi |
476 | ret |
483 | ret |
477 | endp |
484 | endp |
478 | 485 | ||
479 | align 4 |
486 | align 4 |
480 | proc destroy_app_space stdcall, pg_dir:dword |
487 | proc destroy_app_space stdcall, pg_dir:dword |
481 | 488 | ||
482 | mov ebx, pg_data.pg_mutex |
489 | mov ebx, pg_data.pg_mutex |
483 | call wait_mutex ;ebx |
490 | call wait_mutex ;ebx |
484 | 491 | ||
485 | xor edx,edx |
492 | xor edx,edx |
486 | mov eax,0x2 |
493 | mov eax,0x2 |
487 | mov ebx, [pg_dir] |
494 | mov ebx, [pg_dir] |
488 | .loop: |
495 | .loop: |
489 | ;eax = current slot of process |
496 | ;eax = current slot of process |
490 | mov ecx,eax |
497 | mov ecx,eax |
491 | shl ecx,5 |
498 | shl ecx,5 |
492 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
499 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
493 | jz @f ;skip empty slots |
500 | jz @f ;skip empty slots |
494 | shl ecx,3 |
501 | shl ecx,3 |
495 | cmp [SLOT_BASE+ecx+0xB8],ebx ;compare page directory addresses |
502 | cmp [SLOT_BASE+ecx+0xB8],ebx ;compare page directory addresses |
496 | jnz @f |
503 | jnz @f |
497 | inc edx ;thread found |
504 | inc edx ;thread found |
498 | @@: |
505 | @@: |
499 | inc eax |
506 | inc eax |
500 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
507 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
501 | jle .loop |
508 | jle .loop |
502 | 509 | ||
503 | ;edx = number of threads |
510 | ;edx = number of threads |
504 | ;our process is zombi so it isn't counted |
511 | ;our process is zombi so it isn't counted |
505 | cmp edx,1 |
512 | cmp edx,1 |
506 | jg .exit |
513 | jg .exit |
507 | ;if there isn't threads then clear memory. |
514 | ;if there isn't threads then clear memory. |
508 | 515 | ||
509 | mov eax, [pg_dir] |
516 | mov eax, [pg_dir] |
510 | and eax, not 0xFFF |
517 | and eax, not 0xFFF |
511 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
518 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
512 | mov esi, [tmp_task_pdir] |
519 | mov esi, [tmp_task_pdir] |
513 | mov edi, (OS_BASE shr 20)/4 |
520 | mov edi, (OS_BASE shr 20)/4 |
514 | .destroy: |
521 | .destroy: |
515 | mov eax, [esi] |
522 | mov eax, [esi] |
516 | test eax, 1 |
523 | test eax, 1 |
517 | jz .next |
524 | jz .next |
518 | and eax, not 0xFFF |
525 | and eax, not 0xFFF |
519 | stdcall map_page,[tmp_task_ptab],eax,dword PG_SW |
526 | stdcall map_page,[tmp_task_ptab],eax,dword PG_SW |
520 | stdcall destroy_page_table, [tmp_task_ptab] |
527 | stdcall destroy_page_table, [tmp_task_ptab] |
521 | mov eax, [esi] |
528 | mov eax, [esi] |
522 | call free_page |
529 | call free_page |
523 | .next: |
530 | .next: |
524 | add esi, 4 |
531 | add esi, 4 |
525 | dec edi |
532 | dec edi |
526 | jnz .destroy |
533 | jnz .destroy |
527 | 534 | ||
528 | mov eax, [pg_dir] |
535 | mov eax, [pg_dir] |
529 | call free_page |
536 | call free_page |
530 | .exit: |
537 | .exit: |
531 | stdcall map_page,[tmp_task_ptab],dword 0,dword PG_UNMAP |
538 | stdcall map_page,[tmp_task_ptab],dword 0,dword PG_UNMAP |
532 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
539 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
533 | dec [pg_data.pg_mutex] |
540 | dec [pg_data.pg_mutex] |
534 | ret |
541 | ret |
535 | endp |
542 | endp |
536 | 543 | ||
537 | pid_to_slot: |
544 | pid_to_slot: |
538 | ;Input: |
545 | ;Input: |
539 | ; eax - pid of process |
546 | ; eax - pid of process |
540 | ;Output: |
547 | ;Output: |
541 | ; eax - slot of process or 0 if process don't exists |
548 | ; eax - slot of process or 0 if process don't exists |
542 | ;Search process by PID. |
549 | ;Search process by PID. |
543 | push ebx |
550 | push ebx |
544 | push ecx |
551 | push ecx |
545 | mov ebx,[TASK_COUNT] |
552 | mov ebx,[TASK_COUNT] |
546 | shl ebx,5 |
553 | shl ebx,5 |
547 | mov ecx,2*32 |
554 | mov ecx,2*32 |
548 | 555 | ||
549 | .loop: |
556 | .loop: |
550 | ;ecx=offset of current process info entry |
557 | ;ecx=offset of current process info entry |
551 | ;ebx=maximum permitted offset |
558 | ;ebx=maximum permitted offset |
552 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
559 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
553 | jz .endloop ;skip empty slots |
560 | jz .endloop ;skip empty slots |
554 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
561 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
555 | jz .pid_found |
562 | jz .pid_found |
556 | .endloop: |
563 | .endloop: |
557 | add ecx,32 |
564 | add ecx,32 |
558 | cmp ecx,ebx |
565 | cmp ecx,ebx |
559 | jle .loop |
566 | jle .loop |
560 | 567 | ||
561 | pop ecx |
568 | pop ecx |
562 | pop ebx |
569 | pop ebx |
563 | xor eax,eax |
570 | xor eax,eax |
564 | ret |
571 | ret |
565 | 572 | ||
566 | .pid_found: |
573 | .pid_found: |
567 | shr ecx,5 |
574 | shr ecx,5 |
568 | mov eax,ecx ;convert offset to index of slot |
575 | mov eax,ecx ;convert offset to index of slot |
569 | pop ecx |
576 | pop ecx |
570 | pop ebx |
577 | pop ebx |
571 | ret |
578 | ret |
572 | 579 | ||
573 | check_region: |
580 | check_region: |
574 | ;input: |
581 | ;input: |
575 | ; ebx - start of buffer |
582 | ; ebx - start of buffer |
576 | ; ecx - size of buffer |
583 | ; ecx - size of buffer |
577 | ;result: |
584 | ;result: |
578 | ; eax = 1 region lays in app memory |
585 | ; eax = 1 region lays in app memory |
579 | ; eax = 0 region don't lays in app memory |
586 | ; eax = 0 region don't lays in app memory |
580 | mov eax,[CURRENT_TASK] |
587 | mov eax,[CURRENT_TASK] |
581 | jmp check_process_region |
588 | jmp check_process_region |
582 | ;----------------------------------------------------------------------------- |
589 | ;----------------------------------------------------------------------------- |
583 | check_process_region: |
590 | check_process_region: |
584 | ;input: |
591 | ;input: |
585 | ; eax - slot |
592 | ; eax - slot |
586 | ; ebx - start of buffer |
593 | ; ebx - start of buffer |
587 | ; ecx - size of buffer |
594 | ; ecx - size of buffer |
588 | ;result: |
595 | ;result: |
589 | ; eax = 1 region lays in app memory |
596 | ; eax = 1 region lays in app memory |
590 | ; eax = 0 region don't lays in app memory |
597 | ; eax = 0 region don't lays in app memory |
591 | 598 | ||
592 | test ecx,ecx |
599 | test ecx,ecx |
593 | jle .ok |
600 | jle .ok |
594 | shl eax,5 |
601 | shl eax,5 |
595 | cmp word [CURRENT_TASK+eax+0xa],0 |
602 | cmp word [CURRENT_TASK+eax+0xa],0 |
596 | jnz .failed |
603 | jnz .failed |
597 | shl eax,3 |
604 | shl eax,3 |
598 | mov eax,[SLOT_BASE+eax+0xb8] |
605 | mov eax,[SLOT_BASE+eax+0xb8] |
599 | test eax,eax |
606 | test eax,eax |
600 | jz .failed |
607 | jz .failed |
601 | 608 | ||
602 | mov eax,1 |
609 | mov eax,1 |
603 | ret |
610 | ret |
604 | 611 | ||
605 | 612 | ||
606 | ; call MEM_Get_Linear_Address |
613 | ; call MEM_Get_Linear_Address |
607 | ; push ebx |
614 | ; push ebx |
608 | ; push ecx |
615 | ; push ecx |
609 | ; push edx |
616 | ; push edx |
610 | ; mov edx,ebx |
617 | ; mov edx,ebx |
611 | ; and edx,not (4096-1) |
618 | ; and edx,not (4096-1) |
612 | ; sub ebx,edx |
619 | ; sub ebx,edx |
613 | ; add ecx,ebx |
620 | ; add ecx,ebx |
614 | ; mov ebx,edx |
621 | ; mov ebx,edx |
615 | ; add ecx,(4096-1) |
622 | ; add ecx,(4096-1) |
616 | ; and ecx,not (4096-1) |
623 | ; and ecx,not (4096-1) |
617 | ;.loop: |
624 | ;.loop: |
618 | ;;eax - linear address of page directory |
625 | ;;eax - linear address of page directory |
619 | ;;ebx - current page |
626 | ;;ebx - current page |
620 | ;;ecx - current size |
627 | ;;ecx - current size |
621 | ; mov edx,ebx |
628 | ; mov edx,ebx |
622 | ; shr edx,22 |
629 | ; shr edx,22 |
623 | ; mov edx,[eax+4*edx] |
630 | ; mov edx,[eax+4*edx] |
624 | ; and edx,not (4096-1) |
631 | ; and edx,not (4096-1) |
625 | ; test edx,edx |
632 | ; test edx,edx |
626 | ; jz .failed1 |
633 | ; jz .failed1 |
627 | ; push eax |
634 | ; push eax |
628 | ; mov eax,edx |
635 | ; mov eax,edx |
629 | ; call MEM_Get_Linear_Address |
636 | ; call MEM_Get_Linear_Address |
630 | ; mov edx,ebx |
637 | ; mov edx,ebx |
631 | ; shr edx,12 |
638 | ; shr edx,12 |
632 | ; and edx,(1024-1) |
639 | ; and edx,(1024-1) |
633 | ; mov eax,[eax+4*edx] |
640 | ; mov eax,[eax+4*edx] |
634 | ; and eax,not (4096-1) |
641 | ; and eax,not (4096-1) |
635 | ; test eax,eax |
642 | ; test eax,eax |
636 | ; pop eax |
643 | ; pop eax |
637 | ; jz .failed1 |
644 | ; jz .failed1 |
638 | ; add ebx,4096 |
645 | ; add ebx,4096 |
639 | ; sub ecx,4096 |
646 | ; sub ecx,4096 |
640 | ; jg .loop |
647 | ; jg .loop |
641 | ; pop edx |
648 | ; pop edx |
642 | ; pop ecx |
649 | ; pop ecx |
643 | ; pop ebx |
650 | ; pop ebx |
644 | .ok: |
651 | .ok: |
645 | mov eax,1 |
652 | mov eax,1 |
646 | ret |
653 | ret |
647 | ; |
654 | ; |
648 | ;.failed1: |
655 | ;.failed1: |
649 | ; pop edx |
656 | ; pop edx |
650 | ; pop ecx |
657 | ; pop ecx |
651 | ; pop ebx |
658 | ; pop ebx |
652 | .failed: |
659 | .failed: |
653 | xor eax,eax |
660 | xor eax,eax |
654 | ret |
661 | ret |
655 | 662 | ||
656 | align 4 |
663 | align 4 |
657 | proc read_process_memory |
664 | proc read_process_memory |
658 | ;Input: |
665 | ;Input: |
659 | ; eax - process slot |
666 | ; eax - process slot |
660 | ; ebx - buffer address |
667 | ; ebx - buffer address |
661 | ; ecx - buffer size |
668 | ; ecx - buffer size |
662 | ; edx - start address in other process |
669 | ; edx - start address in other process |
663 | ;Output: |
670 | ;Output: |
664 | ; eax - number of bytes read. |
671 | ; eax - number of bytes read. |
665 | locals |
672 | locals |
666 | slot dd ? |
673 | slot dd ? |
667 | buff dd ? |
674 | buff dd ? |
668 | r_count dd ? |
675 | r_count dd ? |
669 | offset dd ? |
676 | offset dd ? |
670 | tmp_r_cnt dd ? |
677 | tmp_r_cnt dd ? |
671 | endl |
678 | endl |
672 | 679 | ||
673 | mov [slot], eax |
680 | mov [slot], eax |
674 | mov [buff], ebx |
681 | mov [buff], ebx |
675 | mov [r_count], ecx |
682 | mov [r_count], ecx |
676 | mov [tmp_r_cnt], ecx |
683 | mov [tmp_r_cnt], ecx |
677 | mov [offset], edx |
684 | mov [offset], edx |
678 | 685 | ||
679 | pushad |
686 | pushad |
680 | .read_mem: |
687 | .read_mem: |
681 | mov edx, [offset] |
688 | mov edx, [offset] |
682 | mov ebx, [tmp_r_cnt] |
689 | mov ebx, [tmp_r_cnt] |
683 | 690 | ||
684 | mov ecx, 0x400000 |
691 | mov ecx, 0x400000 |
685 | and edx, 0x3FFFFF |
692 | and edx, 0x3FFFFF |
686 | sub ecx, edx |
693 | sub ecx, edx |
687 | cmp ecx, ebx |
694 | cmp ecx, ebx |
688 | jbe @f |
695 | jbe @f |
689 | mov ecx, ebx |
696 | mov ecx, ebx |
690 | @@: |
697 | @@: |
691 | cmp ecx, 0x8000 |
698 | cmp ecx, 0x8000 |
692 | jna @F |
699 | jna @F |
693 | mov ecx, 0x8000 |
700 | mov ecx, 0x8000 |
694 | @@: |
701 | @@: |
695 | mov eax, [slot] |
702 | mov eax, [slot] |
696 | shl eax,8 |
703 | shl eax,8 |
697 | mov ebx, [offset] |
704 | mov ebx, [offset] |
698 | ; add ebx, new_app_base |
705 | ; add ebx, new_app_base |
699 | push ecx |
706 | push ecx |
700 | stdcall map_memEx, [proc_mem_map],\ |
707 | stdcall map_memEx, [proc_mem_map],\ |
701 | [SLOT_BASE+eax+0xB8],\ |
708 | [SLOT_BASE+eax+0xB8],\ |
702 | ebx, ecx |
709 | ebx, ecx |
703 | pop ecx |
710 | pop ecx |
704 | 711 | ||
705 | mov esi, [offset] |
712 | mov esi, [offset] |
706 | and esi, 0xfff |
713 | and esi, 0xfff |
707 | add esi, [proc_mem_map] |
714 | add esi, [proc_mem_map] |
708 | mov edi, [buff] |
715 | mov edi, [buff] |
709 | mov edx, ecx |
716 | mov edx, ecx |
710 | rep movsb |
717 | rep movsb |
711 | 718 | ||
712 | add [offset], edx |
719 | add [offset], edx |
713 | sub [tmp_r_cnt], edx |
720 | sub [tmp_r_cnt], edx |
714 | jnz .read_mem |
721 | jnz .read_mem |
715 | 722 | ||
716 | popad |
723 | popad |
717 | mov eax, [r_count] |
724 | mov eax, [r_count] |
718 | ret |
725 | ret |
719 | endp |
726 | endp |
720 | 727 | ||
721 | align 4 |
728 | align 4 |
722 | proc write_process_memory |
729 | proc write_process_memory |
723 | ;Input: |
730 | ;Input: |
724 | ; eax - process slot |
731 | ; eax - process slot |
725 | ; ebx - buffer address |
732 | ; ebx - buffer address |
726 | ; ecx - buffer size |
733 | ; ecx - buffer size |
727 | ; edx - start address in other process |
734 | ; edx - start address in other process |
728 | ;Output: |
735 | ;Output: |
729 | ; eax - number of bytes written |
736 | ; eax - number of bytes written |
730 | 737 | ||
731 | locals |
738 | locals |
732 | slot dd ? |
739 | slot dd ? |
733 | buff dd ? |
740 | buff dd ? |
734 | w_count dd ? |
741 | w_count dd ? |
735 | offset dd ? |
742 | offset dd ? |
736 | tmp_w_cnt dd ? |
743 | tmp_w_cnt dd ? |
737 | endl |
744 | endl |
738 | 745 | ||
739 | mov [slot], eax |
746 | mov [slot], eax |
740 | mov [buff], ebx |
747 | mov [buff], ebx |
741 | mov [w_count], ecx |
748 | mov [w_count], ecx |
742 | mov [tmp_w_cnt], ecx |
749 | mov [tmp_w_cnt], ecx |
743 | mov [offset], edx |
750 | mov [offset], edx |
744 | 751 | ||
745 | pushad |
752 | pushad |
746 | .read_mem: |
753 | .read_mem: |
747 | mov edx, [offset] |
754 | mov edx, [offset] |
748 | mov ebx, [tmp_w_cnt] |
755 | mov ebx, [tmp_w_cnt] |
749 | 756 | ||
750 | mov ecx, 0x400000 |
757 | mov ecx, 0x400000 |
751 | and edx, 0x3FFFFF |
758 | and edx, 0x3FFFFF |
752 | sub ecx, edx |
759 | sub ecx, edx |
753 | cmp ecx, ebx |
760 | cmp ecx, ebx |
754 | jbe @f |
761 | jbe @f |
755 | mov ecx, ebx |
762 | mov ecx, ebx |
756 | @@: |
763 | @@: |
757 | cmp ecx, 0x8000 |
764 | cmp ecx, 0x8000 |
758 | jna @F |
765 | jna @F |
759 | mov ecx, 0x8000 |
766 | mov ecx, 0x8000 |
760 | @@: |
767 | @@: |
761 | mov eax, [slot] |
768 | mov eax, [slot] |
762 | shl eax,8 |
769 | shl eax,8 |
763 | mov ebx, [offset] |
770 | mov ebx, [offset] |
764 | ; add ebx, new_app_base |
771 | ; add ebx, new_app_base |
765 | push ecx |
772 | push ecx |
766 | stdcall map_memEx, [proc_mem_map],\ |
773 | stdcall map_memEx, [proc_mem_map],\ |
767 | [SLOT_BASE+eax+0xB8],\ |
774 | [SLOT_BASE+eax+0xB8],\ |
768 | ebx, ecx |
775 | ebx, ecx |
769 | pop ecx |
776 | pop ecx |
770 | 777 | ||
771 | mov edi, [offset] |
778 | mov edi, [offset] |
772 | and edi, 0xfff |
779 | and edi, 0xfff |
773 | add edi, [proc_mem_map] |
780 | add edi, [proc_mem_map] |
774 | mov esi, [buff] |
781 | mov esi, [buff] |
775 | mov edx, ecx |
782 | mov edx, ecx |
776 | rep movsb |
783 | rep movsb |
777 | 784 | ||
778 | add [offset], edx |
785 | add [offset], edx |
779 | sub [tmp_w_cnt], edx |
786 | sub [tmp_w_cnt], edx |
780 | jnz .read_mem |
787 | jnz .read_mem |
781 | 788 | ||
782 | popad |
789 | popad |
783 | mov eax, [w_count] |
790 | mov eax, [w_count] |
784 | ret |
791 | ret |
785 | endp |
792 | endp |
786 | 793 | ||
787 | align 4 |
794 | align 4 |
788 | proc new_sys_threads |
795 | proc new_sys_threads |
789 | locals |
796 | locals |
790 | slot dd ? |
797 | slot dd ? |
791 | app_cmdline dd ? ;0x00 |
798 | app_cmdline dd ? ;0x00 |
792 | app_path dd ? ;0x04 |
799 | app_path dd ? ;0x04 |
793 | app_eip dd ? ;0x08 |
800 | app_eip dd ? ;0x08 |
794 | app_esp dd ? ;0x0C |
801 | app_esp dd ? ;0x0C |
795 | app_mem dd ? ;0x10 |
802 | app_mem dd ? ;0x10 |
796 | endl |
803 | endl |
797 | 804 | ||
798 | cmp eax,1 |
805 | cmp eax,1 |
799 | jne .failed ;other subfunctions |
806 | jne .failed ;other subfunctions |
800 | 807 | ||
801 | xor eax,eax |
808 | xor eax,eax |
802 | mov [app_cmdline], eax |
809 | mov [app_cmdline], eax |
803 | mov [app_path], eax |
810 | mov [app_path], eax |
804 | mov [app_eip], ebx |
811 | mov [app_eip], ebx |
805 | mov [app_esp], ecx |
812 | mov [app_esp], ecx |
806 | 813 | ||
807 | mov esi,new_process_loading |
814 | mov esi,new_process_loading |
808 | call sys_msg_board_str |
815 | call sys_msg_board_str |
809 | .wait_lock: |
816 | .wait_lock: |
810 | cmp [application_table_status],0 |
817 | cmp [application_table_status],0 |
811 | je .get_lock |
818 | je .get_lock |
812 | call change_task |
819 | call change_task |
813 | jmp .wait_lock |
820 | jmp .wait_lock |
814 | 821 | ||
815 | .get_lock: |
822 | .get_lock: |
816 | mov eax, 1 |
823 | mov eax, 1 |
817 | xchg eax, [application_table_status] |
824 | xchg eax, [application_table_status] |
818 | cmp eax, 0 |
825 | cmp eax, 0 |
819 | jne .wait_lock |
826 | jne .wait_lock |
820 | 827 | ||
821 | call set_application_table_status |
828 | call set_application_table_status |
822 | 829 | ||
823 | call get_new_process_place |
830 | call get_new_process_place |
824 | test eax, eax |
831 | test eax, eax |
825 | jz .failed |
832 | jz .failed |
826 | 833 | ||
827 | mov [slot], eax |
834 | mov [slot], eax |
828 | 835 | ||
829 | mov esi,[current_slot] |
836 | mov esi,[current_slot] |
830 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
837 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
831 | 838 | ||
832 | mov edi, eax |
839 | mov edi, eax |
833 | shl edi,8 |
840 | shl edi,8 |
834 | add edi,SLOT_BASE |
841 | add edi,SLOT_BASE |
835 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
842 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
836 | mov ecx,256/4 |
843 | mov ecx,256/4 |
837 | xor eax, eax |
844 | xor eax, eax |
838 | cld |
845 | cld |
839 | rep stosd ;clean extended information about new thread |
846 | rep stosd ;clean extended information about new thread |
840 | mov esi,ebx |
847 | mov esi,ebx |
841 | mov edi,edx |
848 | mov edi,edx |
842 | mov ecx,11 |
849 | mov ecx,11 |
843 | rep movsb ;copy process name |
850 | rep movsb ;copy process name |
844 | 851 | ||
845 | mov eax,[ebx+APPDATA.heap_base] |
852 | mov eax,[ebx+APPDATA.heap_base] |
846 | mov [edx+APPDATA.heap_base], eax |
853 | mov [edx+APPDATA.heap_base], eax |
847 | 854 | ||
848 | mov ecx,[ebx+APPDATA.heap_top] |
855 | mov ecx,[ebx+APPDATA.heap_top] |
849 | mov [edx+APPDATA.heap_top], ecx |
856 | mov [edx+APPDATA.heap_top], ecx |
850 | 857 | ||
851 | mov eax,[ebx+APPDATA.mem_size] |
858 | mov eax,[ebx+APPDATA.mem_size] |
852 | mov [edx+APPDATA.mem_size], eax |
859 | mov [edx+APPDATA.mem_size], eax |
853 | 860 | ||
854 | mov ecx,[ebx+APPDATA.dir_table] |
861 | mov ecx,[ebx+APPDATA.dir_table] |
855 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
862 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
856 | 863 | ||
857 | lea eax, [app_cmdline] |
864 | lea eax, [app_cmdline] |
858 | stdcall set_app_params ,[slot],eax,dword 0,\ |
865 | stdcall set_app_params ,[slot],eax,dword 0,\ |
859 | dword 0,dword 0 |
866 | dword 0,dword 0 |
860 | 867 | ||
861 | mov esi,new_process_running |
868 | mov esi,new_process_running |
862 | call sys_msg_board_str ;output information about succefull startup |
869 | call sys_msg_board_str ;output information about succefull startup |
863 | 870 | ||
864 | mov [application_table_status],0 ;unlock application_table_status mutex |
871 | mov [application_table_status],0 ;unlock application_table_status mutex |
865 | mov eax,[process_number] ;set result |
872 | mov eax,[process_number] ;set result |
866 | ret |
873 | ret |
867 | .failed: |
874 | .failed: |
868 | mov [application_table_status],0 |
875 | mov [application_table_status],0 |
869 | mov eax,-1 |
876 | mov eax,-1 |
870 | ret |
877 | ret |
871 | endp |
878 | endp |
872 | 879 | ||
873 | ; param |
880 | ; param |
874 | ; ebx=mutex |
881 | ; ebx=mutex |
875 | 882 | ||
876 | align 4 |
883 | align 4 |
877 | wait_mutex: |
884 | wait_mutex: |
878 | push eax |
885 | push eax |
879 | push ebx |
886 | push ebx |
880 | .do_wait: |
887 | .do_wait: |
881 | cmp dword [ebx],0 |
888 | cmp dword [ebx],0 |
882 | je .get_lock |
889 | je .get_lock |
883 | call change_task |
890 | call change_task |
884 | jmp .do_wait |
891 | jmp .do_wait |
885 | .get_lock: |
892 | .get_lock: |
886 | mov eax, 1 |
893 | mov eax, 1 |
887 | xchg eax, [ebx] |
894 | xchg eax, [ebx] |
888 | test eax, eax |
895 | test eax, eax |
889 | jnz .do_wait |
896 | jnz .do_wait |
890 | pop ebx |
897 | pop ebx |
891 | pop eax |
898 | pop eax |
892 | ret |
899 | ret |
893 | 900 | ||
894 | align 4 |
901 | align 4 |
895 | proc set_app_params stdcall,slot:dword, params:dword,\ |
902 | proc set_app_params stdcall,slot:dword, params:dword,\ |
896 | cmd_line:dword, app_path:dword, flags:dword |
903 | cmd_line:dword, app_path:dword, flags:dword |
897 | 904 | ||
898 | locals |
905 | locals |
899 | pl0_stack dd ? |
906 | pl0_stack dd ? |
900 | endl |
907 | endl |
901 | 908 | ||
902 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
909 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
903 | mov [pl0_stack], eax |
910 | mov [pl0_stack], eax |
904 | 911 | ||
905 | lea edi, [eax+RING0_STACK_SIZE] |
912 | lea edi, [eax+RING0_STACK_SIZE] |
906 | 913 | ||
907 | mov eax, [slot] |
914 | mov eax, [slot] |
908 | mov ebx, eax |
915 | mov ebx, eax |
909 | 916 | ||
910 | shl eax, 8 |
917 | shl eax, 8 |
911 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
918 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
912 | mov [eax+SLOT_BASE+APPDATA.fpu_handler], 0 |
919 | mov [eax+SLOT_BASE+APPDATA.fpu_handler], 0 |
913 | mov [eax+SLOT_BASE+APPDATA.sse_handler], 0 |
920 | mov [eax+SLOT_BASE+APPDATA.sse_handler], 0 |
914 | 921 | ||
915 | ;set default io permission map |
922 | ;set default io permission map |
916 | mov [eax+SLOT_BASE+APPDATA.io_map],\ |
923 | mov [eax+SLOT_BASE+APPDATA.io_map],\ |
917 | (tss._io_map_0-OS_BASE+PG_MAP) |
924 | (tss._io_map_0-OS_BASE+PG_MAP) |
918 | mov [eax+SLOT_BASE+APPDATA.io_map+4],\ |
925 | mov [eax+SLOT_BASE+APPDATA.io_map+4],\ |
919 | (tss._io_map_1-OS_BASE+PG_MAP) |
926 | (tss._io_map_1-OS_BASE+PG_MAP) |
920 | 927 | ||
921 | mov esi, fpu_data |
928 | mov esi, fpu_data |
922 | mov ecx, 512/4 |
929 | mov ecx, 512/4 |
923 | rep movsd |
930 | rep movsd |
924 | 931 | ||
925 | cmp ebx,[TASK_COUNT] |
932 | cmp ebx,[TASK_COUNT] |
926 | jle .noinc |
933 | jle .noinc |
927 | inc dword [TASK_COUNT] ;update number of processes |
934 | inc dword [TASK_COUNT] ;update number of processes |
928 | .noinc: |
935 | .noinc: |
929 | shl ebx,8 |
936 | shl ebx,8 |
930 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
937 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
931 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
938 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
932 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
939 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
933 | 940 | ||
934 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
941 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
935 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
942 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
936 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
943 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
937 | 944 | ||
938 | mov ecx, [def_cursor] |
945 | mov ecx, [def_cursor] |
939 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
946 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
940 | mov eax, [pl0_stack] |
947 | mov eax, [pl0_stack] |
941 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
948 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
942 | 949 | ||
943 | shr ebx,3 |
950 | shr ebx,3 |
944 | mov eax, new_app_base |
951 | mov eax, new_app_base |
945 | mov dword [CURRENT_TASK+ebx+0x10],eax |
952 | mov dword [CURRENT_TASK+ebx+0x10],eax |
946 | 953 | ||
947 | .add_command_line: |
954 | .add_command_line: |
948 | mov edx,[params] |
955 | mov edx,[params] |
949 | mov edx,[edx] ;app_cmdline |
956 | mov edx,[edx] ;app_cmdline |
950 | test edx,edx |
957 | test edx,edx |
951 | jz @F ;application don't need parameters |
958 | jz @F ;application don't need parameters |
952 | 959 | ||
953 | mov eax, edx |
960 | mov eax, edx |
954 | add eax, 256 |
961 | add eax, 256 |
955 | jc @f |
962 | jc @f |
956 | 963 | ||
957 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
964 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
958 | ja @f |
965 | ja @f |
959 | 966 | ||
960 | stdcall k_strncpy, edx, [cmd_line], 256 |
967 | stdcall k_strncpy, edx, [cmd_line], 256 |
961 | @@: |
968 | @@: |
962 | mov edx,[params] |
969 | mov edx,[params] |
963 | mov edx, [edx+4] ;app_path |
970 | mov edx, [edx+4] ;app_path |
964 | test edx,edx |
971 | test edx,edx |
965 | jz @F ;application don't need path of file |
972 | jz @F ;application don't need path of file |
966 | mov eax, edx |
973 | mov eax, edx |
967 | add eax, 1024 |
974 | add eax, 1024 |
968 | jc @f |
975 | jc @f |
969 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
976 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
970 | ja @f |
977 | ja @f |
971 | stdcall k_strncpy, edx, [app_path], 1024 |
978 | stdcall k_strncpy, edx, [app_path], 1024 |
972 | @@: |
979 | @@: |
973 | mov ebx,[slot] |
980 | mov ebx,[slot] |
974 | mov eax,ebx |
981 | mov eax,ebx |
975 | shl ebx,5 |
982 | shl ebx,5 |
976 | lea ecx,[draw_data+ebx] ;ecx - pointer to draw data |
983 | lea ecx,[draw_data+ebx] ;ecx - pointer to draw data |
977 | 984 | ||
978 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
985 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
979 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
986 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
980 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
987 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
981 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
988 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
982 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
989 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
983 | 990 | ||
984 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
991 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
985 | 992 | ||
986 | inc dword [process_number] |
993 | inc dword [process_number] |
987 | mov eax,[process_number] |
994 | mov eax,[process_number] |
988 | mov [ebx+4],eax ;set PID |
995 | mov [ebx+4],eax ;set PID |
989 | 996 | ||
990 | ;set draw data to full screen |
997 | ;set draw data to full screen |
991 | 998 | ||
992 | mov [ecx+0],dword 0 |
999 | mov [ecx+0],dword 0 |
993 | mov [ecx+4],dword 0 |
1000 | mov [ecx+4],dword 0 |
994 | mov eax,[ScreenWidth] |
1001 | mov eax,[ScreenWidth] |
995 | mov [ecx+8],eax |
1002 | mov [ecx+8],eax |
996 | mov eax,[ScreenHeight] |
1003 | mov eax,[ScreenHeight] |
997 | mov [ecx+12],eax |
1004 | mov [ecx+12],eax |
998 | 1005 | ||
999 | mov ebx, [pl0_stack] |
1006 | mov ebx, [pl0_stack] |
1000 | mov esi,[params] |
1007 | mov esi,[params] |
1001 | lea ecx, [ebx+REG_EIP] |
1008 | lea ecx, [ebx+REG_EIP] |
1002 | xor eax, eax |
1009 | xor eax, eax |
1003 | 1010 | ||
1004 | mov [ebx+REG_RET], dword irq0.return |
1011 | mov [ebx+REG_RET], dword irq0.return |
1005 | mov [ebx+REG_EDI], eax |
1012 | mov [ebx+REG_EDI], eax |
1006 | mov [ebx+REG_ESI], eax |
1013 | mov [ebx+REG_ESI], eax |
1007 | mov [ebx+REG_EBP], eax |
1014 | mov [ebx+REG_EBP], eax |
1008 | mov [ebx+REG_ESP], ecx ;ebx+REG_EIP |
1015 | mov [ebx+REG_ESP], ecx ;ebx+REG_EIP |
1009 | mov [ebx+REG_EBX], eax |
1016 | mov [ebx+REG_EBX], eax |
1010 | mov [ebx+REG_EDX], eax |
1017 | mov [ebx+REG_EDX], eax |
1011 | mov [ebx+REG_ECX], eax |
1018 | mov [ebx+REG_ECX], eax |
1012 | mov [ebx+REG_EAX], eax |
1019 | mov [ebx+REG_EAX], eax |
1013 | 1020 | ||
1014 | mov [ebx+REG_EFL_2], dword 0x1002 |
1021 | mov [ebx+REG_EFL_2], dword 0x1002 |
1015 | 1022 | ||
1016 | mov eax, [esi+0x08] ;app_eip |
1023 | mov eax, [esi+0x08] ;app_eip |
1017 | mov [ebx+REG_EIP], eax ;app_entry |
1024 | mov [ebx+REG_EIP], eax ;app_entry |
1018 | mov [ebx+REG_CS], dword app_code |
1025 | mov [ebx+REG_CS], dword app_code |
1019 | mov [ebx+REG_EFLAGS], dword 0x3202 |
1026 | mov [ebx+REG_EFLAGS], dword 0x3202 |
1020 | 1027 | ||
1021 | mov eax, [esi+0x0C] ;app_esp |
1028 | mov eax, [esi+0x0C] ;app_esp |
1022 | mov [ebx+REG_APP_ESP], eax ;app_stack |
1029 | mov [ebx+REG_APP_ESP], eax ;app_stack |
1023 | mov [ebx+REG_SS], dword app_data |
1030 | mov [ebx+REG_SS], dword app_data |
1024 | 1031 | ||
1025 | lea ecx, [ebx+REG_RET] |
1032 | lea ecx, [ebx+REG_RET] |
1026 | mov ebx, [slot] |
1033 | mov ebx, [slot] |
1027 | shl ebx, 8 |
1034 | shl ebx, 8 |
1028 | mov [ebx+SLOT_BASE+APPDATA.saved_esp], ecx |
1035 | mov [ebx+SLOT_BASE+APPDATA.saved_esp], ecx |
1029 | 1036 | ||
1030 | ;flush keyboard and buttons queue |
1037 | ;flush keyboard and buttons queue |
1031 | mov [KEY_COUNT],byte 0 |
1038 | mov [KEY_COUNT],byte 0 |
1032 | mov [BTN_COUNT],byte 0 |
1039 | mov [BTN_COUNT],byte 0 |
1033 | 1040 | ||
1034 | mov edi,[slot] |
1041 | mov edi,[slot] |
1035 | shl edi,5 |
1042 | shl edi,5 |
1036 | add edi,window_data |
1043 | add edi,window_data |
1037 | mov ebx,[slot] |
1044 | mov ebx,[slot] |
1038 | movzx esi,word [WIN_STACK+ebx*2] |
1045 | movzx esi,word [WIN_STACK+ebx*2] |
1039 | lea esi,[WIN_POS+esi*2] |
1046 | lea esi,[WIN_POS+esi*2] |
1040 | call windowactivate ;gui initialization |
1047 | call windowactivate ;gui initialization |
1041 | 1048 | ||
1042 | mov ebx,[slot] |
1049 | mov ebx,[slot] |
1043 | shl ebx,5 |
1050 | shl ebx,5 |
1044 | mov [CURRENT_TASK+ebx+0xa],byte 0 ;set process state - running |
1051 | mov [CURRENT_TASK+ebx+0xa],byte 0 ;set process state - running |
1045 | ; set if debuggee |
1052 | ; set if debuggee |
1046 | mov eax, [flags] |
1053 | mov eax, [flags] |
1047 | test byte [flags], 1 |
1054 | test byte [flags], 1 |
1048 | jz .no_debug |
1055 | jz .no_debug |
1049 | mov [CURRENT_TASK+ebx+0xa],byte 1 ;set process state - suspended |
1056 | mov [CURRENT_TASK+ebx+0xa],byte 1 ;set process state - suspended |
1050 | mov eax,[CURRENT_TASK] |
1057 | mov eax,[CURRENT_TASK] |
1051 | mov [SLOT_BASE+ebx*8+0xac],eax ;set debugger PID - current |
1058 | mov [SLOT_BASE+ebx*8+0xac],eax ;set debugger PID - current |
1052 | .no_debug: |
1059 | .no_debug: |
1053 | mov esi,new_process_running |
1060 | mov esi,new_process_running |
1054 | call sys_msg_board_str ;output information about succefull startup |
1061 | call sys_msg_board_str ;output information about succefull startup |
1055 | ret |
1062 | ret |
1056 | endp |
1063 | endp |
1057 | 1064 | ||
1058 | include "debug.inc"256 |
1065 | include "debug.inc"256 |
1059 | >> |
1066 | >> |