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Rev 378 | Rev 380 | ||
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1 | GREEDY_KERNEL equ 0 |
1 | GREEDY_KERNEL equ 0 |
2 | 2 | ||
3 | 3 | ||
4 | struc APP_HEADER_00 |
4 | struc APP_HEADER_00 |
5 | { .banner dq ? |
5 | { .banner dq ? |
6 | .version dd ? ;+8 |
6 | .version dd ? ;+8 |
7 | .start dd ? ;+12 |
7 | .start dd ? ;+12 |
8 | .i_end dd ? ;+16 |
8 | .i_end dd ? ;+16 |
9 | .mem_size dd ? ;+20 |
9 | .mem_size dd ? ;+20 |
10 | .i_param dd ? ;+24 |
10 | .i_param dd ? ;+24 |
11 | } |
11 | } |
12 | 12 | ||
13 | struc APP_HEADER_01 |
13 | struc APP_HEADER_01 |
14 | { .banner dq ? |
14 | { .banner dq ? |
15 | .version dd ? ;+8 |
15 | .version dd ? ;+8 |
16 | .start dd ? ;+12 |
16 | .start dd ? ;+12 |
17 | .i_end dd ? ;+16 |
17 | .i_end dd ? ;+16 |
18 | .mem_size dd ? ;+20 |
18 | .mem_size dd ? ;+20 |
19 | .stack_top dd ? ;+24 |
19 | .stack_top dd ? ;+24 |
20 | .i_param dd ? ;+28 |
20 | .i_param dd ? ;+28 |
21 | .i_icon dd ? ;+32 |
21 | .i_icon dd ? ;+32 |
22 | } |
22 | } |
23 | 23 | ||
24 | struc TSS |
24 | struc TSS |
25 | { |
25 | { |
26 | ._back rw 2 |
26 | ._back rw 2 |
27 | ._esp0 rd 1 |
27 | ._esp0 rd 1 |
28 | ._ss0 rw 2 |
28 | ._ss0 rw 2 |
29 | ._esp1 rd 1 |
29 | ._esp1 rd 1 |
30 | ._ss1 rw 2 |
30 | ._ss1 rw 2 |
31 | ._esp2 rd 1 |
31 | ._esp2 rd 1 |
32 | ._ss2 rw 2 |
32 | ._ss2 rw 2 |
33 | ._cr3 rd 1 |
33 | ._cr3 rd 1 |
34 | ._eip rd 1 |
34 | ._eip rd 1 |
35 | ._eflags rd 1 |
35 | ._eflags rd 1 |
36 | ._eax rd 1 |
36 | ._eax rd 1 |
37 | ._ecx rd 1 |
37 | ._ecx rd 1 |
38 | ._edx rd 1 |
38 | ._edx rd 1 |
39 | ._ebx rd 1 |
39 | ._ebx rd 1 |
40 | ._esp rd 1 |
40 | ._esp rd 1 |
41 | ._ebp rd 1 |
41 | ._ebp rd 1 |
42 | ._esi rd 1 |
42 | ._esi rd 1 |
43 | ._edi rd 1 |
43 | ._edi rd 1 |
44 | ._es rw 2 |
44 | ._es rw 2 |
45 | ._cs rw 2 |
45 | ._cs rw 2 |
46 | ._ss rw 2 |
46 | ._ss rw 2 |
47 | ._ds rw 2 |
47 | ._ds rw 2 |
48 | ._fs rw 2 |
48 | ._fs rw 2 |
49 | ._gs rw 2 |
49 | ._gs rw 2 |
50 | ._ldt rw 2 |
50 | ._ldt rw 2 |
51 | ._trap rw 1 |
51 | ._trap rw 1 |
52 | ._io rw 1 |
52 | ._io rw 1 |
53 | } |
53 | } |
54 | 54 | ||
55 | virtual at 0 |
55 | virtual at 0 |
56 | TSS TSS |
56 | TSS TSS |
57 | end virtual |
57 | end virtual |
58 | 58 | ||
59 | struc APP_PARAMS |
59 | struc APP_PARAMS |
60 | { .app_cmdline ;0x00 |
60 | { .app_cmdline ;0x00 |
61 | .app_path ;0x04 |
61 | .app_path ;0x04 |
62 | .app_eip ;0x08 |
62 | .app_eip ;0x08 |
63 | .app_esp ;0x0C |
63 | .app_esp ;0x0C |
64 | .app_mem ;0x10 |
64 | .app_mem ;0x10 |
65 | } |
65 | } |
66 | 66 | ||
67 | macro _clear_ op |
67 | macro _clear_ op |
68 | { mov ecx, op/4 |
68 | { mov ecx, op/4 |
69 | xor eax, eax |
69 | xor eax, eax |
70 | cld |
70 | cld |
71 | rep stosd |
71 | rep stosd |
72 | } |
72 | } |
73 | 73 | ||
74 | 74 | ||
75 | align 4 |
75 | align 4 |
76 | proc fs_execute |
76 | proc fs_execute |
77 | 77 | ||
78 | ;fn_read:dword, file_size:dword, cluster:dword |
78 | ;fn_read:dword, file_size:dword, cluster:dword |
79 | 79 | ||
80 | ; ebx - cmdline |
80 | ; ebx - cmdline |
81 | ; edx - flags |
81 | ; edx - flags |
82 | ; ebp - full filename |
82 | ; ebp - full filename |
83 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
83 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
84 | 84 | ||
85 | locals |
85 | locals |
86 | cmdline rd 64 ;256/4 |
86 | cmdline rd 64 ;256/4 |
87 | filename rd 256 ;1024/4 |
87 | filename rd 256 ;1024/4 |
88 | flags dd ? |
88 | flags dd ? |
89 | 89 | ||
90 | save_cr3 dd ? |
90 | save_cr3 dd ? |
91 | slot dd ? |
91 | slot dd ? |
92 | slot_base dd ? |
92 | slot_base dd ? |
93 | file_base dd ? |
93 | file_base dd ? |
94 | file_size dd ? |
94 | file_size dd ? |
95 | ;app header data |
95 | ;app header data |
96 | hdr_cmdline dd ? ;0x00 |
96 | hdr_cmdline dd ? ;0x00 |
97 | hdr_path dd ? ;0x04 |
97 | hdr_path dd ? ;0x04 |
98 | hdr_eip dd ? ;0x08 |
98 | hdr_eip dd ? ;0x08 |
99 | hdr_esp dd ? ;0x0C |
99 | hdr_esp dd ? ;0x0C |
100 | hdr_mem dd ? ;0x10 |
100 | hdr_mem dd ? ;0x10 |
101 | hdr_i_end dd ? ;0x14 |
101 | hdr_i_end dd ? ;0x14 |
102 | endl |
102 | endl |
103 | 103 | ||
104 | pushad |
104 | pushad |
105 | 105 | ||
106 | mov [cmdline], ebx |
106 | mov [cmdline], ebx |
107 | mov [flags], edx |
107 | mov [flags], edx |
108 | 108 | ||
109 | ; [ebp] pointer to filename |
109 | ; [ebp] pointer to filename |
110 | 110 | ||
111 | lea eax, [filename] |
111 | lea eax, [filename] |
112 | mov dword [eax+1020],0 ;force terminate |
112 | mov dword [eax+1020],0 ;force terminate |
113 | ;string |
113 | ;string |
114 | stdcall k_strncpy, eax, [ebp], 1023 |
114 | stdcall k_strncpy, eax, [ebp], 1023 |
115 | 115 | ||
116 | lea eax, [cmdline] |
116 | lea eax, [cmdline] |
117 | mov dword [eax+252], 0 |
117 | mov dword [eax+252], 0 |
118 | stdcall k_strncpy, eax, [cmdline], 255 |
118 | stdcall k_strncpy, eax, [cmdline], 255 |
119 | 119 | ||
120 | lea eax, [filename] |
120 | lea eax, [filename] |
121 | stdcall load_file, eax |
121 | stdcall load_file, eax |
122 | mov ecx, -ERROR_FILE_NOT_FOUND |
122 | mov ecx, -ERROR_FILE_NOT_FOUND |
123 | test eax, eax |
123 | test eax, eax |
124 | jz .err_file |
124 | jz .err_file |
125 | 125 | ||
126 | mov [file_base], eax |
126 | mov [file_base], eax |
127 | mov [file_size], ebx |
127 | mov [file_size], ebx |
128 | 128 | ||
129 | lea ebx, [hdr_cmdline] |
129 | lea ebx, [hdr_cmdline] |
130 | call test_app_header |
130 | call test_app_header |
131 | mov ecx, -0x1F |
131 | mov ecx, -0x1F |
132 | test eax, eax |
132 | test eax, eax |
133 | jz .err_hdr |
133 | jz .err_hdr |
134 | 134 | ||
135 | mov esi, new_process_loading |
135 | mov esi, new_process_loading |
136 | call sys_msg_board_str ; write message to message board |
136 | call sys_msg_board_str ; write message to message board |
137 | 137 | ||
138 | .wait_lock: |
138 | .wait_lock: |
139 | cmp [application_table_status],0 |
139 | cmp [application_table_status],0 |
140 | je .get_lock |
140 | je .get_lock |
141 | call change_task |
141 | call change_task |
142 | jmp .wait_lock |
142 | jmp .wait_lock |
143 | 143 | ||
144 | .get_lock: |
144 | .get_lock: |
145 | mov eax, 1 |
145 | mov eax, 1 |
146 | xchg eax, [application_table_status] |
146 | xchg eax, [application_table_status] |
147 | cmp eax, 0 |
147 | cmp eax, 0 |
148 | jne .wait_lock |
148 | jne .wait_lock |
149 | 149 | ||
150 | ; pushfd |
150 | ; pushfd |
151 | ; cli |
151 | ; cli |
152 | 152 | ||
153 | call set_application_table_status |
153 | call set_application_table_status |
154 | 154 | ||
155 | call get_new_process_place |
155 | call get_new_process_place |
156 | test eax, eax |
156 | test eax, eax |
157 | mov ecx, -0x20 ; too many processes |
157 | mov ecx, -0x20 ; too many processes |
158 | jz .err |
158 | jz .err |
159 | 159 | ||
160 | mov [slot], eax |
160 | mov [slot], eax |
161 | shl eax, 8 |
161 | shl eax, 8 |
162 | add eax, PROC_BASE |
162 | add eax, SLOT_BASE |
163 | mov [slot_base], eax |
163 | mov [slot_base], eax |
164 | mov edi, eax |
164 | mov edi, eax |
165 | _clear_ 256 ;clean extended information about process |
165 | _clear_ 256 ;clean extended information about process |
166 | 166 | ||
167 | ; write application name |
167 | ; write application name |
168 | lea edi, [filename] |
168 | lea edi, [filename] |
169 | mov al, '/' |
169 | mov al, '/' |
170 | call k_strrchr ; now eax points to name without path |
170 | call k_strrchr ; now eax points to name without path |
171 | 171 | ||
172 | lea esi, [eax+1] |
172 | lea esi, [eax+1] |
173 | test eax, eax |
173 | test eax, eax |
174 | jnz @F |
174 | jnz @F |
175 | lea esi, [filename] |
175 | lea esi, [filename] |
176 | @@: |
176 | @@: |
177 | mov ecx, 8 ; 8 chars for name |
177 | mov ecx, 8 ; 8 chars for name |
178 | mov edi, [slot_base] |
178 | mov edi, [slot_base] |
179 | .copy_process_name_loop: |
179 | .copy_process_name_loop: |
180 | lodsb |
180 | lodsb |
181 | cmp al, '.' |
181 | cmp al, '.' |
182 | jz .copy_process_name_done |
182 | jz .copy_process_name_done |
183 | test al, al |
183 | test al, al |
184 | jz .copy_process_name_done |
184 | jz .copy_process_name_done |
185 | stosb |
185 | stosb |
186 | loop .copy_process_name_loop |
186 | loop .copy_process_name_loop |
187 | .copy_process_name_done: |
187 | .copy_process_name_done: |
188 | 188 | ||
189 | mov ebx, cr3 |
189 | mov ebx, cr3 |
190 | mov [save_cr3], ebx |
190 | mov [save_cr3], ebx |
191 | 191 | ||
192 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
192 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
193 | mov ecx, -30 ; no memory |
193 | mov ecx, -30 ; no memory |
194 | test eax, eax |
194 | test eax, eax |
195 | jz .failed |
195 | jz .failed |
196 | 196 | ||
197 | mov ebx,[slot_base] |
197 | mov ebx,[slot_base] |
198 | mov [ebx+APPDATA.dir_table],eax |
198 | mov [ebx+APPDATA.dir_table],eax |
199 | mov eax,[hdr_mem] |
199 | mov eax,[hdr_mem] |
200 | mov [ebx+APPDATA.mem_size],eax |
200 | mov [ebx+APPDATA.mem_size],eax |
201 | 201 | ||
202 | if GREEDY_KERNEL |
202 | if GREEDY_KERNEL |
203 | else |
203 | else |
204 | mov ecx, [hdr_mem] |
204 | mov ecx, [hdr_mem] |
205 | mov edi, [file_size] |
205 | mov edi, [file_size] |
206 | add edi, 4095 |
206 | add edi, 4095 |
207 | and edi, not 4095 |
207 | and edi, not 4095 |
208 | sub ecx, edi |
208 | sub ecx, edi |
209 | jna @F |
209 | jna @F |
210 | 210 | ||
211 | xor eax, eax |
211 | xor eax, eax |
212 | add edi, new_app_base |
212 | add edi, new_app_base |
213 | cld |
213 | cld |
214 | rep stosb |
214 | rep stosb |
215 | @@: |
215 | @@: |
216 | end if |
216 | end if |
217 | 217 | ||
218 | ; release only virtual space, not phisical memory |
218 | ; release only virtual space, not phisical memory |
219 | 219 | ||
220 | stdcall free_kernel_space, [file_base] |
220 | stdcall free_kernel_space, [file_base] |
221 | lea eax, [hdr_cmdline] |
221 | lea eax, [hdr_cmdline] |
222 | lea ebx, [cmdline] |
222 | lea ebx, [cmdline] |
223 | lea ecx, [filename] |
223 | lea ecx, [filename] |
224 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
224 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
225 | 225 | ||
226 | mov eax, [save_cr3] |
226 | mov eax, [save_cr3] |
227 | call set_cr3 |
227 | call set_cr3 |
228 | 228 | ||
229 | ; popfd |
229 | ; popfd |
230 | xor ebx, ebx |
230 | xor ebx, ebx |
231 | mov [application_table_status],ebx ;unlock application_table_status mutex |
231 | mov [application_table_status],ebx ;unlock application_table_status mutex |
232 | mov eax,[process_number] ;set result |
232 | mov eax,[process_number] ;set result |
233 | ret |
233 | ret |
234 | .failed: |
234 | .failed: |
235 | mov eax, [save_cr3] |
235 | mov eax, [save_cr3] |
236 | call set_cr3 |
236 | call set_cr3 |
237 | .err: |
237 | .err: |
238 | ; popfd |
238 | ; popfd |
239 | .err_hdr: |
239 | .err_hdr: |
240 | stdcall kernel_free,[file_base] |
240 | stdcall kernel_free,[file_base] |
241 | .err_file: |
241 | .err_file: |
242 | xor eax, eax |
242 | xor eax, eax |
243 | mov [application_table_status],eax |
243 | mov [application_table_status],eax |
244 | mov eax, ecx |
244 | mov eax, ecx |
245 | ret |
245 | ret |
246 | endp |
246 | endp |
247 | 247 | ||
248 | align 4 |
248 | align 4 |
249 | test_app_header: |
249 | test_app_header: |
250 | virtual at eax |
250 | virtual at eax |
251 | APP_HEADER_00 APP_HEADER_00 |
251 | APP_HEADER_00 APP_HEADER_00 |
252 | end virtual |
252 | end virtual |
253 | virtual at eax |
253 | virtual at eax |
254 | APP_HEADER_01 APP_HEADER_01 |
254 | APP_HEADER_01 APP_HEADER_01 |
255 | end virtual |
255 | end virtual |
256 | 256 | ||
257 | cmp dword [eax], 'MENU' |
257 | cmp dword [eax], 'MENU' |
258 | jne .fail |
258 | jne .fail |
259 | cmp word [eax+4],'ET' |
259 | cmp word [eax+4],'ET' |
260 | jne .fail |
260 | jne .fail |
261 | 261 | ||
262 | cmp [eax+6], word '00' |
262 | cmp [eax+6], word '00' |
263 | jne .check_01_header |
263 | jne .check_01_header |
264 | 264 | ||
265 | mov ecx,[APP_HEADER_00.start] |
265 | mov ecx,[APP_HEADER_00.start] |
266 | mov [ebx+0x08], ecx ;app_eip |
266 | mov [ebx+0x08], ecx ;app_eip |
267 | mov edx,[APP_HEADER_00.mem_size] |
267 | mov edx,[APP_HEADER_00.mem_size] |
268 | mov [ebx+0x10], edx ;app_mem |
268 | mov [ebx+0x10], edx ;app_mem |
269 | shr edx,1 |
269 | shr edx,1 |
270 | sub edx,0x10 |
270 | sub edx,0x10 |
271 | mov [ebx+0x0C], edx ;app_esp |
271 | mov [ebx+0x0C], edx ;app_esp |
272 | mov ecx,[APP_HEADER_00.i_param] |
272 | mov ecx,[APP_HEADER_00.i_param] |
273 | mov [ebx], ecx ;app_cmdline |
273 | mov [ebx], ecx ;app_cmdline |
274 | mov [ebx+4], dword 0 ;app_path |
274 | mov [ebx+4], dword 0 ;app_path |
275 | mov edx, [APP_HEADER_00.i_end] |
275 | mov edx, [APP_HEADER_00.i_end] |
276 | mov [ebx+0x14], edx |
276 | mov [ebx+0x14], edx |
277 | ret |
277 | ret |
278 | 278 | ||
279 | .check_01_header: |
279 | .check_01_header: |
280 | 280 | ||
281 | cmp [eax+6],word '01' |
281 | cmp [eax+6],word '01' |
282 | jne .fail |
282 | jne .fail |
283 | 283 | ||
284 | mov ecx,[APP_HEADER_01.start] |
284 | mov ecx,[APP_HEADER_01.start] |
285 | mov [ebx+0x08], ecx ;app_eip |
285 | mov [ebx+0x08], ecx ;app_eip |
286 | mov edx,[APP_HEADER_01.mem_size] |
286 | mov edx,[APP_HEADER_01.mem_size] |
287 | mov [ebx+0x10], edx ;app_mem |
287 | mov [ebx+0x10], edx ;app_mem |
288 | mov ecx,[APP_HEADER_01.stack_top] |
288 | mov ecx,[APP_HEADER_01.stack_top] |
289 | mov [ebx+0x0C], ecx ;app_esp |
289 | mov [ebx+0x0C], ecx ;app_esp |
290 | mov edx,[APP_HEADER_01.i_param] |
290 | mov edx,[APP_HEADER_01.i_param] |
291 | mov [ebx], edx ;app_cmdline |
291 | mov [ebx], edx ;app_cmdline |
292 | mov ecx,[APP_HEADER_01.i_icon] |
292 | mov ecx,[APP_HEADER_01.i_icon] |
293 | mov [ebx+4], ecx ;app_path |
293 | mov [ebx+4], ecx ;app_path |
294 | mov edx, [APP_HEADER_01.i_end] |
294 | mov edx, [APP_HEADER_01.i_end] |
295 | mov [ebx+0x14], edx |
295 | mov [ebx+0x14], edx |
296 | ret |
296 | ret |
297 | .fail: |
297 | .fail: |
298 | xor eax, eax |
298 | xor eax, eax |
299 | ret |
299 | ret |
300 | 300 | ||
301 | align 4 |
301 | align 4 |
302 | proc get_new_process_place |
302 | proc get_new_process_place |
303 | ;input: |
303 | ;input: |
304 | ; none |
304 | ; none |
305 | ;result: |
305 | ;result: |
306 | ; eax=[new_process_place]<>0 - ok |
306 | ; eax=[new_process_place]<>0 - ok |
307 | ; 0 - failed. |
307 | ; 0 - failed. |
308 | ;This function find least empty slot. |
308 | ;This function find least empty slot. |
309 | ;It doesn't increase [TASK_COUNT]! |
309 | ;It doesn't increase [TASK_COUNT]! |
310 | mov eax,CURRENT_TASK |
310 | mov eax,CURRENT_TASK |
311 | mov ebx,[TASK_COUNT] |
311 | mov ebx,[TASK_COUNT] |
312 | inc ebx |
312 | inc ebx |
313 | shl ebx,5 |
313 | shl ebx,5 |
314 | add ebx,eax ;ebx - address of process information for (last+1) slot |
314 | add ebx,eax ;ebx - address of process information for (last+1) slot |
315 | .newprocessplace: |
315 | .newprocessplace: |
316 | ;eax = address of process information for current slot |
316 | ;eax = address of process information for current slot |
317 | cmp eax,ebx |
317 | cmp eax,ebx |
318 | jz .endnewprocessplace ;empty slot after high boundary |
318 | jz .endnewprocessplace ;empty slot after high boundary |
319 | add eax,0x20 |
319 | add eax,0x20 |
320 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
320 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
321 | jnz .newprocessplace |
321 | jnz .newprocessplace |
322 | .endnewprocessplace: |
322 | .endnewprocessplace: |
323 | mov ebx,eax |
323 | mov ebx,eax |
324 | sub eax,CURRENT_TASK |
324 | sub eax,CURRENT_TASK |
325 | shr eax,5 ;calculate slot index |
325 | shr eax,5 ;calculate slot index |
326 | cmp eax,256 |
326 | cmp eax,256 |
327 | jge .failed ;it should be <256 |
327 | jge .failed ;it should be <256 |
328 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
328 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
329 | ; mov [new_process_place], eax |
329 | ; mov [new_process_place], eax |
330 | ret |
330 | ret |
331 | 331 | ||
332 | .failed: |
332 | .failed: |
333 | xor eax,eax |
333 | xor eax,eax |
334 | ret |
334 | ret |
335 | endp |
335 | endp |
336 | 336 | ||
337 | align 4 |
337 | align 4 |
338 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
338 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
339 | locals |
339 | locals |
340 | app_pages dd ? |
340 | app_pages dd ? |
341 | img_pages dd ? |
341 | img_pages dd ? |
342 | dir_addr dd ? |
342 | dir_addr dd ? |
343 | app_tabs dd ? |
343 | app_tabs dd ? |
344 | endl |
344 | endl |
345 | 345 | ||
346 | mov ebx, pg_data.pg_mutex |
346 | mov ebx, pg_data.pg_mutex |
347 | call wait_mutex ;ebx |
347 | call wait_mutex ;ebx |
348 | 348 | ||
349 | xor eax, eax |
349 | xor eax, eax |
350 | mov [dir_addr], eax |
350 | mov [dir_addr], eax |
351 | 351 | ||
352 | mov eax, [app_size] |
352 | mov eax, [app_size] |
353 | add eax, 4095 |
353 | add eax, 4095 |
354 | and eax, NOT(4095) |
354 | and eax, NOT(4095) |
355 | mov [app_size], eax |
355 | mov [app_size], eax |
356 | mov ebx, eax |
356 | mov ebx, eax |
357 | shr eax, 12 |
357 | shr eax, 12 |
358 | mov [app_pages], eax |
358 | mov [app_pages], eax |
359 | 359 | ||
360 | add ebx, 0x3FFFFF |
360 | add ebx, 0x3FFFFF |
361 | and ebx, NOT(0x3FFFFF) |
361 | and ebx, NOT(0x3FFFFF) |
362 | shr ebx, 22 |
362 | shr ebx, 22 |
363 | mov [app_tabs], ebx |
363 | mov [app_tabs], ebx |
364 | 364 | ||
365 | mov ecx, [img_size] |
365 | mov ecx, [img_size] |
366 | add ecx, 4095 |
366 | add ecx, 4095 |
367 | and ecx, NOT(4095) |
367 | and ecx, NOT(4095) |
368 | 368 | ||
369 | mov [img_size], ecx |
369 | mov [img_size], ecx |
370 | shr ecx, 12 |
370 | shr ecx, 12 |
371 | mov [img_pages], ecx |
371 | mov [img_pages], ecx |
372 | 372 | ||
373 | if GREEDY_KERNEL |
373 | if GREEDY_KERNEL |
374 | lea eax, [ecx+ebx+2] ;only image size |
374 | lea eax, [ecx+ebx+2] ;only image size |
375 | else |
375 | else |
376 | lea eax, [eax+ebx+2] ;all requested memory |
376 | lea eax, [eax+ebx+2] ;all requested memory |
377 | end if |
377 | end if |
378 | cmp eax, [pg_data.pages_free] |
378 | cmp eax, [pg_data.pages_free] |
379 | ja .fail |
379 | ja .fail |
380 | 380 | ||
381 | call alloc_page |
381 | call alloc_page |
382 | test eax, eax |
382 | test eax, eax |
383 | jz .fail |
383 | jz .fail |
384 | mov [dir_addr], eax |
384 | mov [dir_addr], eax |
385 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
385 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
386 | 386 | ||
387 | mov esi, sys_pgdir |
387 | mov esi, sys_pgdir |
388 | mov edi, [tmp_task_pdir] |
388 | mov edi, [tmp_task_pdir] |
389 | mov ecx, (page_tabs shr 20)/4 |
389 | mov ecx, (page_tabs shr 20)/4 |
390 | cld |
390 | cld |
391 | rep movsd |
391 | rep movsd |
392 | 392 | ||
393 | mov eax, [dir_addr] |
393 | mov eax, [dir_addr] |
394 | or eax, PG_SW |
394 | or eax, PG_SW |
395 | stosd ; [(page_tabs shr 20)]= eax |
395 | stosd ; [(page_tabs shr 20)]= eax |
396 | 396 | ||
397 | mov ecx, 0x800/4 |
397 | mov ecx, 0x800/4 |
398 | xor eax, eax |
398 | xor eax, eax |
399 | rep stosd |
399 | rep stosd |
400 | 400 | ||
401 | mov eax, [dir_addr] |
401 | mov eax, [dir_addr] |
402 | call set_cr3 |
402 | call set_cr3 |
403 | 403 | ||
404 | mov edx, [app_tabs] |
404 | mov edx, [app_tabs] |
405 | mov edi, new_app_base |
405 | mov edi, new_app_base |
406 | @@: |
406 | @@: |
407 | call alloc_page |
407 | call alloc_page |
408 | test eax, eax |
408 | test eax, eax |
409 | jz .fail |
409 | jz .fail |
410 | 410 | ||
411 | stdcall map_page_table, edi, eax |
411 | stdcall map_page_table, edi, eax |
412 | add edi, 0x00400000 |
412 | add edi, 0x00400000 |
413 | dec edx |
413 | dec edx |
414 | jnz @B |
414 | jnz @B |
415 | 415 | ||
416 | mov edi, new_app_base |
416 | mov edi, new_app_base |
417 | shr edi, 10 |
417 | shr edi, 10 |
418 | add edi, page_tabs |
418 | add edi, page_tabs |
419 | 419 | ||
420 | mov ecx, [app_tabs] |
420 | mov ecx, [app_tabs] |
421 | shl ecx, 10 |
421 | shl ecx, 10 |
422 | xor eax, eax |
422 | xor eax, eax |
423 | rep stosd |
423 | rep stosd |
424 | 424 | ||
425 | mov ecx, [img_pages] |
425 | mov ecx, [img_pages] |
426 | mov ebx, PG_UW |
426 | mov ebx, PG_UW |
427 | mov edx, new_app_base |
427 | mov edx, new_app_base |
428 | mov esi, [img_base] |
428 | mov esi, [img_base] |
429 | mov edi, new_app_base |
429 | mov edi, new_app_base |
430 | shr esi, 10 |
430 | shr esi, 10 |
431 | shr edi, 10 |
431 | shr edi, 10 |
432 | add esi, page_tabs |
432 | add esi, page_tabs |
433 | add edi, page_tabs |
433 | add edi, page_tabs |
434 | .remap: |
434 | .remap: |
435 | lodsd |
435 | lodsd |
436 | or eax, ebx ; force user level r/w access |
436 | or eax, ebx ; force user level r/w access |
437 | stosd |
437 | stosd |
438 | add edx, 0x1000 |
438 | add edx, 0x1000 |
439 | dec [app_pages] |
439 | dec [app_pages] |
440 | dec ecx |
440 | dec ecx |
441 | jnz .remap |
441 | jnz .remap |
442 | 442 | ||
443 | mov ecx, [app_pages] |
443 | mov ecx, [app_pages] |
444 | test ecx, ecx |
444 | test ecx, ecx |
445 | jz .done |
445 | jz .done |
446 | 446 | ||
447 | if GREEDY_KERNEL |
447 | if GREEDY_KERNEL |
448 | mov eax, 0x02 |
448 | mov eax, 0x02 |
449 | .reserve: |
449 | .reserve: |
450 | stosd |
450 | stosd |
451 | invlpg [edx] |
451 | invlpg [edx] |
452 | add edx, 4096 |
452 | add edx, 4096 |
453 | dec ecx |
453 | dec ecx |
454 | jnz .reserve |
454 | jnz .reserve |
455 | else |
455 | else |
456 | 456 | ||
457 | .alloc: |
457 | .alloc: |
458 | call alloc_page |
458 | call alloc_page |
459 | test eax, eax |
459 | test eax, eax |
460 | jz .fail |
460 | jz .fail |
461 | 461 | ||
462 | stdcall map_page,edx,eax,dword PG_UW |
462 | stdcall map_page,edx,eax,dword PG_UW |
463 | add edx, 0x1000 |
463 | add edx, 0x1000 |
464 | dec [app_pages] |
464 | dec [app_pages] |
465 | jnz .alloc |
465 | jnz .alloc |
466 | 466 | ||
467 | end if |
467 | end if |
468 | 468 | ||
469 | .done: |
469 | .done: |
470 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
470 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
471 | 471 | ||
472 | dec [pg_data.pg_mutex] |
472 | dec [pg_data.pg_mutex] |
473 | mov eax, [dir_addr] |
473 | mov eax, [dir_addr] |
474 | ret |
474 | ret |
475 | .fail: |
475 | .fail: |
476 | dec [pg_data.pg_mutex] |
476 | dec [pg_data.pg_mutex] |
477 | cmp [dir_addr], 0 |
477 | cmp [dir_addr], 0 |
478 | je @f |
478 | je @f |
479 | stdcall destroy_app_space, [dir_addr] |
479 | stdcall destroy_app_space, [dir_addr] |
480 | @@: |
480 | @@: |
481 | xor eax, eax |
481 | xor eax, eax |
482 | ret |
482 | ret |
483 | endp |
483 | endp |
484 | 484 | ||
485 | align 4 |
485 | align 4 |
486 | set_cr3: |
486 | set_cr3: |
487 | mov esi, [CURRENT_TASK] |
487 | mov esi, [CURRENT_TASK] |
488 | mov ebx, esi |
488 | mov ebx, esi |
489 | shl esi,8 |
489 | shl esi,8 |
490 | mov [PROC_BASE+esi+0xB8],eax |
490 | mov [SLOT_BASE+esi+0xB8],eax |
491 | imul ebx,tss_step |
491 | imul ebx,tss_step |
492 | add ebx,tss_data |
492 | add ebx,tss_data |
493 | mov [ebx+28], eax |
493 | mov [ebx+28], eax |
494 | mov cr3, eax |
494 | mov cr3, eax |
495 | ret |
495 | ret |
496 | 496 | ||
497 | align 4 |
497 | align 4 |
498 | proc destroy_page_table stdcall, pg_tab:dword |
498 | proc destroy_page_table stdcall, pg_tab:dword |
499 | 499 | ||
500 | push esi |
500 | push esi |
501 | 501 | ||
502 | mov esi, [pg_tab] |
502 | mov esi, [pg_tab] |
503 | mov ecx, 1024 |
503 | mov ecx, 1024 |
504 | .free: |
504 | .free: |
505 | mov eax, [esi] |
505 | mov eax, [esi] |
506 | test eax, 1 |
506 | test eax, 1 |
507 | jz .next |
507 | jz .next |
508 | call free_page |
508 | call free_page |
509 | .next: |
509 | .next: |
510 | add esi, 4 |
510 | add esi, 4 |
511 | dec ecx |
511 | dec ecx |
512 | jnz .free |
512 | jnz .free |
513 | pop esi |
513 | pop esi |
514 | ret |
514 | ret |
515 | endp |
515 | endp |
516 | 516 | ||
517 | align 4 |
517 | align 4 |
518 | proc destroy_app_space stdcall, pg_dir:dword |
518 | proc destroy_app_space stdcall, pg_dir:dword |
519 | 519 | ||
520 | mov ebx, pg_data.pg_mutex |
520 | mov ebx, pg_data.pg_mutex |
521 | call wait_mutex ;ebx |
521 | call wait_mutex ;ebx |
522 | 522 | ||
523 | xor edx,edx |
523 | xor edx,edx |
524 | mov eax,0x2 |
524 | mov eax,0x2 |
525 | mov ebx, [pg_dir] |
525 | mov ebx, [pg_dir] |
526 | 526 | ||
527 | .loop: |
527 | .loop: |
528 | ;eax = current slot of process |
528 | ;eax = current slot of process |
529 | mov ecx,eax |
529 | mov ecx,eax |
530 | shl ecx,5 |
530 | shl ecx,5 |
531 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
531 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
532 | jz @f ;skip empty slots |
532 | jz @f ;skip empty slots |
533 | shl ecx,3 |
533 | shl ecx,3 |
534 | cmp [PROC_BASE+ecx+0xB8],ebx ;compare page directory addresses |
534 | cmp [SLOT_BASE+ecx+0xB8],ebx ;compare page directory addresses |
535 | jnz @f |
535 | jnz @f |
536 | inc edx ;thread found |
536 | inc edx ;thread found |
537 | @@: |
537 | @@: |
538 | inc eax |
538 | inc eax |
539 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
539 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
540 | jle .loop |
540 | jle .loop |
541 | 541 | ||
542 | ;edx = number of threads |
542 | ;edx = number of threads |
543 | ;our process is zombi so it isn't counted |
543 | ;our process is zombi so it isn't counted |
544 | cmp edx,1 |
544 | cmp edx,1 |
545 | jg .exit |
545 | jg .exit |
546 | ;if there isn't threads then clear memory. |
546 | ;if there isn't threads then clear memory. |
547 | 547 | ||
548 | mov eax, [pg_dir] |
548 | mov eax, [pg_dir] |
549 | and eax, not 0xFFF |
549 | and eax, not 0xFFF |
550 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
550 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
551 | mov esi, [tmp_task_pdir] |
551 | mov esi, [tmp_task_pdir] |
552 | add esi, 0x800 |
552 | add esi, 0x800 |
553 | mov edi, 0x800/4 |
553 | mov edi, 0x800/4 |
554 | .destroy: |
554 | .destroy: |
555 | mov eax, [esi] |
555 | mov eax, [esi] |
556 | test eax, 1 |
556 | test eax, 1 |
557 | jz .next |
557 | jz .next |
558 | and eax, not 0xFFF |
558 | and eax, not 0xFFF |
559 | stdcall map_page,[tmp_task_ptab],eax,dword PG_SW |
559 | stdcall map_page,[tmp_task_ptab],eax,dword PG_SW |
560 | stdcall destroy_page_table, [tmp_task_ptab] |
560 | stdcall destroy_page_table, [tmp_task_ptab] |
561 | mov eax, [esi] |
561 | mov eax, [esi] |
562 | call free_page |
562 | call free_page |
563 | .next: |
563 | .next: |
564 | add esi, 4 |
564 | add esi, 4 |
565 | dec edi |
565 | dec edi |
566 | jnz .destroy |
566 | jnz .destroy |
567 | 567 | ||
568 | mov eax, [pg_dir] |
568 | mov eax, [pg_dir] |
569 | call free_page |
569 | call free_page |
570 | .exit: |
570 | .exit: |
571 | stdcall map_page,[tmp_task_ptab],dword 0,dword PG_UNMAP |
571 | stdcall map_page,[tmp_task_ptab],dword 0,dword PG_UNMAP |
572 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
572 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
573 | dec [pg_data.pg_mutex] |
573 | dec [pg_data.pg_mutex] |
574 | ret |
574 | ret |
575 | endp |
575 | endp |
576 | 576 | ||
577 | pid_to_slot: |
577 | pid_to_slot: |
578 | ;Input: |
578 | ;Input: |
579 | ; eax - pid of process |
579 | ; eax - pid of process |
580 | ;Output: |
580 | ;Output: |
581 | ; eax - slot of process or 0 if process don't exists |
581 | ; eax - slot of process or 0 if process don't exists |
582 | ;Search process by PID. |
582 | ;Search process by PID. |
583 | push ebx |
583 | push ebx |
584 | push ecx |
584 | push ecx |
585 | mov ebx,[TASK_COUNT] |
585 | mov ebx,[TASK_COUNT] |
586 | shl ebx,5 |
586 | shl ebx,5 |
587 | mov ecx,2*32 |
587 | mov ecx,2*32 |
588 | 588 | ||
589 | .loop: |
589 | .loop: |
590 | ;ecx=offset of current process info entry |
590 | ;ecx=offset of current process info entry |
591 | ;ebx=maximum permitted offset |
591 | ;ebx=maximum permitted offset |
592 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
592 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
593 | jz .endloop ;skip empty slots |
593 | jz .endloop ;skip empty slots |
594 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
594 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
595 | jz .pid_found |
595 | jz .pid_found |
596 | .endloop: |
596 | .endloop: |
597 | add ecx,32 |
597 | add ecx,32 |
598 | cmp ecx,ebx |
598 | cmp ecx,ebx |
599 | jle .loop |
599 | jle .loop |
600 | 600 | ||
601 | pop ecx |
601 | pop ecx |
602 | pop ebx |
602 | pop ebx |
603 | xor eax,eax |
603 | xor eax,eax |
604 | ret |
604 | ret |
605 | 605 | ||
606 | .pid_found: |
606 | .pid_found: |
607 | shr ecx,5 |
607 | shr ecx,5 |
608 | mov eax,ecx ;convert offset to index of slot |
608 | mov eax,ecx ;convert offset to index of slot |
609 | pop ecx |
609 | pop ecx |
610 | pop ebx |
610 | pop ebx |
611 | ret |
611 | ret |
612 | 612 | ||
613 | check_region: |
613 | check_region: |
614 | ;input: |
614 | ;input: |
615 | ; ebx - start of buffer |
615 | ; ebx - start of buffer |
616 | ; ecx - size of buffer |
616 | ; ecx - size of buffer |
617 | ;result: |
617 | ;result: |
618 | ; eax = 1 region lays in app memory |
618 | ; eax = 1 region lays in app memory |
619 | ; eax = 0 region don't lays in app memory |
619 | ; eax = 0 region don't lays in app memory |
620 | mov eax,[CURRENT_TASK] |
620 | mov eax,[CURRENT_TASK] |
621 | jmp check_process_region |
621 | jmp check_process_region |
622 | ;----------------------------------------------------------------------------- |
622 | ;----------------------------------------------------------------------------- |
623 | check_process_region: |
623 | check_process_region: |
624 | ;input: |
624 | ;input: |
625 | ; eax - slot |
625 | ; eax - slot |
626 | ; ebx - start of buffer |
626 | ; ebx - start of buffer |
627 | ; ecx - size of buffer |
627 | ; ecx - size of buffer |
628 | ;result: |
628 | ;result: |
629 | ; eax = 1 region lays in app memory |
629 | ; eax = 1 region lays in app memory |
630 | ; eax = 0 region don't lays in app memory |
630 | ; eax = 0 region don't lays in app memory |
631 | 631 | ||
632 | test ecx,ecx |
632 | test ecx,ecx |
633 | jle .ok |
633 | jle .ok |
634 | shl eax,5 |
634 | shl eax,5 |
635 | cmp word [CURRENT_TASK+eax+0xa],0 |
635 | cmp word [CURRENT_TASK+eax+0xa],0 |
636 | jnz .failed |
636 | jnz .failed |
637 | shl eax,3 |
637 | shl eax,3 |
638 | mov eax,[PROC_BASE+eax+0xb8] |
638 | mov eax,[SLOT_BASE+eax+0xb8] |
639 | test eax,eax |
639 | test eax,eax |
640 | jz .failed |
640 | jz .failed |
641 | 641 | ||
642 | mov eax,1 |
642 | mov eax,1 |
643 | ret |
643 | ret |
644 | 644 | ||
645 | 645 | ||
646 | ; call MEM_Get_Linear_Address |
646 | ; call MEM_Get_Linear_Address |
647 | ; push ebx |
647 | ; push ebx |
648 | ; push ecx |
648 | ; push ecx |
649 | ; push edx |
649 | ; push edx |
650 | ; mov edx,ebx |
650 | ; mov edx,ebx |
651 | ; and edx,not (4096-1) |
651 | ; and edx,not (4096-1) |
652 | ; sub ebx,edx |
652 | ; sub ebx,edx |
653 | ; add ecx,ebx |
653 | ; add ecx,ebx |
654 | ; mov ebx,edx |
654 | ; mov ebx,edx |
655 | ; add ecx,(4096-1) |
655 | ; add ecx,(4096-1) |
656 | ; and ecx,not (4096-1) |
656 | ; and ecx,not (4096-1) |
657 | ;.loop: |
657 | ;.loop: |
658 | ;;eax - linear address of page directory |
658 | ;;eax - linear address of page directory |
659 | ;;ebx - current page |
659 | ;;ebx - current page |
660 | ;;ecx - current size |
660 | ;;ecx - current size |
661 | ; mov edx,ebx |
661 | ; mov edx,ebx |
662 | ; shr edx,22 |
662 | ; shr edx,22 |
663 | ; mov edx,[eax+4*edx] |
663 | ; mov edx,[eax+4*edx] |
664 | ; and edx,not (4096-1) |
664 | ; and edx,not (4096-1) |
665 | ; test edx,edx |
665 | ; test edx,edx |
666 | ; jz .failed1 |
666 | ; jz .failed1 |
667 | ; push eax |
667 | ; push eax |
668 | ; mov eax,edx |
668 | ; mov eax,edx |
669 | ; call MEM_Get_Linear_Address |
669 | ; call MEM_Get_Linear_Address |
670 | ; mov edx,ebx |
670 | ; mov edx,ebx |
671 | ; shr edx,12 |
671 | ; shr edx,12 |
672 | ; and edx,(1024-1) |
672 | ; and edx,(1024-1) |
673 | ; mov eax,[eax+4*edx] |
673 | ; mov eax,[eax+4*edx] |
674 | ; and eax,not (4096-1) |
674 | ; and eax,not (4096-1) |
675 | ; test eax,eax |
675 | ; test eax,eax |
676 | ; pop eax |
676 | ; pop eax |
677 | ; jz .failed1 |
677 | ; jz .failed1 |
678 | ; add ebx,4096 |
678 | ; add ebx,4096 |
679 | ; sub ecx,4096 |
679 | ; sub ecx,4096 |
680 | ; jg .loop |
680 | ; jg .loop |
681 | ; pop edx |
681 | ; pop edx |
682 | ; pop ecx |
682 | ; pop ecx |
683 | ; pop ebx |
683 | ; pop ebx |
684 | .ok: |
684 | .ok: |
685 | mov eax,1 |
685 | mov eax,1 |
686 | ret |
686 | ret |
687 | ; |
687 | ; |
688 | ;.failed1: |
688 | ;.failed1: |
689 | ; pop edx |
689 | ; pop edx |
690 | ; pop ecx |
690 | ; pop ecx |
691 | ; pop ebx |
691 | ; pop ebx |
692 | .failed: |
692 | .failed: |
693 | xor eax,eax |
693 | xor eax,eax |
694 | ret |
694 | ret |
695 | 695 | ||
696 | align 4 |
696 | align 4 |
697 | proc read_process_memory |
697 | proc read_process_memory |
698 | ;Input: |
698 | ;Input: |
699 | ; eax - process slot |
699 | ; eax - process slot |
700 | ; ebx - buffer address |
700 | ; ebx - buffer address |
701 | ; ecx - buffer size |
701 | ; ecx - buffer size |
702 | ; edx - start address in other process |
702 | ; edx - start address in other process |
703 | ;Output: |
703 | ;Output: |
704 | ; eax - number of bytes read. |
704 | ; eax - number of bytes read. |
705 | locals |
705 | locals |
706 | slot dd ? |
706 | slot dd ? |
707 | buff dd ? |
707 | buff dd ? |
708 | r_count dd ? |
708 | r_count dd ? |
709 | offset dd ? |
709 | offset dd ? |
710 | tmp_r_cnt dd ? |
710 | tmp_r_cnt dd ? |
711 | endl |
711 | endl |
712 | 712 | ||
713 | mov [slot], eax |
713 | mov [slot], eax |
714 | mov [buff], ebx |
714 | mov [buff], ebx |
715 | mov [r_count], ecx |
715 | mov [r_count], ecx |
716 | mov [tmp_r_cnt], ecx |
716 | mov [tmp_r_cnt], ecx |
717 | mov [offset], edx |
717 | mov [offset], edx |
718 | 718 | ||
719 | pushad |
719 | pushad |
720 | .read_mem: |
720 | .read_mem: |
721 | mov edx, [offset] |
721 | mov edx, [offset] |
722 | mov ebx, [tmp_r_cnt] |
722 | mov ebx, [tmp_r_cnt] |
723 | 723 | ||
724 | mov ecx, 0x400000 |
724 | mov ecx, 0x400000 |
725 | and edx, 0x3FFFFF |
725 | and edx, 0x3FFFFF |
726 | sub ecx, edx |
726 | sub ecx, edx |
727 | cmp ecx, ebx |
727 | cmp ecx, ebx |
728 | jbe @f |
728 | jbe @f |
729 | mov ecx, ebx |
729 | mov ecx, ebx |
730 | @@: |
730 | @@: |
731 | cmp ecx, 0x8000 |
731 | cmp ecx, 0x8000 |
732 | jna @F |
732 | jna @F |
733 | mov ecx, 0x8000 |
733 | mov ecx, 0x8000 |
734 | @@: |
734 | @@: |
735 | mov eax, [slot] |
735 | mov eax, [slot] |
736 | shl eax,8 |
736 | shl eax,8 |
737 | mov ebx, [offset] |
737 | mov ebx, [offset] |
738 | add ebx, new_app_base |
738 | add ebx, new_app_base |
739 | push ecx |
739 | push ecx |
740 | stdcall map_memEx, [proc_mem_map],\ |
740 | stdcall map_memEx, [proc_mem_map],\ |
741 | [PROC_BASE+eax+0xB8],\ |
741 | [SLOT_BASE+eax+0xB8],\ |
742 | ebx, ecx |
742 | ebx, ecx |
743 | pop ecx |
743 | pop ecx |
744 | 744 | ||
745 | mov esi, [offset] |
745 | mov esi, [offset] |
746 | and esi, 0xfff |
746 | and esi, 0xfff |
747 | add esi, [proc_mem_map] |
747 | add esi, [proc_mem_map] |
748 | mov edi, [buff] |
748 | mov edi, [buff] |
749 | mov edx, ecx |
749 | mov edx, ecx |
750 | rep movsb |
750 | rep movsb |
751 | 751 | ||
752 | add [offset], edx |
752 | add [offset], edx |
753 | sub [tmp_r_cnt], edx |
753 | sub [tmp_r_cnt], edx |
754 | jnz .read_mem |
754 | jnz .read_mem |
755 | 755 | ||
756 | popad |
756 | popad |
757 | mov eax, [r_count] |
757 | mov eax, [r_count] |
758 | ret |
758 | ret |
759 | endp |
759 | endp |
760 | 760 | ||
761 | align 4 |
761 | align 4 |
762 | proc write_process_memory |
762 | proc write_process_memory |
763 | ;Input: |
763 | ;Input: |
764 | ; eax - process slot |
764 | ; eax - process slot |
765 | ; ebx - buffer address |
765 | ; ebx - buffer address |
766 | ; ecx - buffer size |
766 | ; ecx - buffer size |
767 | ; edx - start address in other process |
767 | ; edx - start address in other process |
768 | ;Output: |
768 | ;Output: |
769 | ; eax - number of bytes written |
769 | ; eax - number of bytes written |
770 | 770 | ||
771 | locals |
771 | locals |
772 | slot dd ? |
772 | slot dd ? |
773 | buff dd ? |
773 | buff dd ? |
774 | w_count dd ? |
774 | w_count dd ? |
775 | offset dd ? |
775 | offset dd ? |
776 | tmp_w_cnt dd ? |
776 | tmp_w_cnt dd ? |
777 | endl |
777 | endl |
778 | 778 | ||
779 | mov [slot], eax |
779 | mov [slot], eax |
780 | mov [buff], ebx |
780 | mov [buff], ebx |
781 | mov [w_count], ecx |
781 | mov [w_count], ecx |
782 | mov [tmp_w_cnt], ecx |
782 | mov [tmp_w_cnt], ecx |
783 | mov [offset], edx |
783 | mov [offset], edx |
784 | 784 | ||
785 | pushad |
785 | pushad |
786 | .read_mem: |
786 | .read_mem: |
787 | mov edx, [offset] |
787 | mov edx, [offset] |
788 | mov ebx, [tmp_w_cnt] |
788 | mov ebx, [tmp_w_cnt] |
789 | 789 | ||
790 | mov ecx, 0x400000 |
790 | mov ecx, 0x400000 |
791 | and edx, 0x3FFFFF |
791 | and edx, 0x3FFFFF |
792 | sub ecx, edx |
792 | sub ecx, edx |
793 | cmp ecx, ebx |
793 | cmp ecx, ebx |
794 | jbe @f |
794 | jbe @f |
795 | mov ecx, ebx |
795 | mov ecx, ebx |
796 | @@: |
796 | @@: |
797 | cmp ecx, 0x8000 |
797 | cmp ecx, 0x8000 |
798 | jna @F |
798 | jna @F |
799 | mov ecx, 0x8000 |
799 | mov ecx, 0x8000 |
800 | @@: |
800 | @@: |
801 | mov eax, [slot] |
801 | mov eax, [slot] |
802 | shl eax,8 |
802 | shl eax,8 |
803 | mov ebx, [offset] |
803 | mov ebx, [offset] |
804 | add ebx, new_app_base |
804 | add ebx, new_app_base |
805 | push ecx |
805 | push ecx |
806 | stdcall map_memEx, [proc_mem_map],\ |
806 | stdcall map_memEx, [proc_mem_map],\ |
807 | [PROC_BASE+eax+0xB8],\ |
807 | [SLOT_BASE+eax+0xB8],\ |
808 | ebx, ecx |
808 | ebx, ecx |
809 | pop ecx |
809 | pop ecx |
810 | 810 | ||
811 | mov edi, [offset] |
811 | mov edi, [offset] |
812 | and edi, 0xfff |
812 | and edi, 0xfff |
813 | add edi, [proc_mem_map] |
813 | add edi, [proc_mem_map] |
814 | mov esi, [buff] |
814 | mov esi, [buff] |
815 | mov edx, ecx |
815 | mov edx, ecx |
816 | rep movsb |
816 | rep movsb |
817 | 817 | ||
818 | add [offset], edx |
818 | add [offset], edx |
819 | sub [tmp_w_cnt], edx |
819 | sub [tmp_w_cnt], edx |
820 | jnz .read_mem |
820 | jnz .read_mem |
821 | 821 | ||
822 | popad |
822 | popad |
823 | mov eax, [w_count] |
823 | mov eax, [w_count] |
824 | ret |
824 | ret |
825 | endp |
825 | endp |
826 | 826 | ||
827 | align 4 |
827 | align 4 |
828 | proc new_sys_threads |
828 | proc new_sys_threads |
829 | locals |
829 | locals |
830 | slot dd ? |
830 | slot dd ? |
831 | app_cmdline dd ? ;0x00 |
831 | app_cmdline dd ? ;0x00 |
832 | app_path dd ? ;0x04 |
832 | app_path dd ? ;0x04 |
833 | app_eip dd ? ;0x08 |
833 | app_eip dd ? ;0x08 |
834 | app_esp dd ? ;0x0C |
834 | app_esp dd ? ;0x0C |
835 | app_mem dd ? ;0x10 |
835 | app_mem dd ? ;0x10 |
836 | endl |
836 | endl |
837 | 837 | ||
838 | cmp eax,1 |
838 | cmp eax,1 |
839 | jne .failed ;other subfunctions |
839 | jne .failed ;other subfunctions |
840 | 840 | ||
841 | xor eax,eax |
841 | xor eax,eax |
842 | mov [app_cmdline], eax |
842 | mov [app_cmdline], eax |
843 | mov [app_path], eax |
843 | mov [app_path], eax |
844 | mov [app_eip], ebx |
844 | mov [app_eip], ebx |
845 | mov [app_esp], ecx |
845 | mov [app_esp], ecx |
846 | 846 | ||
847 | mov esi,new_process_loading |
847 | mov esi,new_process_loading |
848 | call sys_msg_board_str |
848 | call sys_msg_board_str |
849 | .wait_lock: |
849 | .wait_lock: |
850 | cmp [application_table_status],0 |
850 | cmp [application_table_status],0 |
851 | je .get_lock |
851 | je .get_lock |
852 | call change_task |
852 | call change_task |
853 | jmp .wait_lock |
853 | jmp .wait_lock |
854 | 854 | ||
855 | .get_lock: |
855 | .get_lock: |
856 | mov eax, 1 |
856 | mov eax, 1 |
857 | xchg eax, [application_table_status] |
857 | xchg eax, [application_table_status] |
858 | cmp eax, 0 |
858 | cmp eax, 0 |
859 | jne .wait_lock |
859 | jne .wait_lock |
860 | 860 | ||
861 | call set_application_table_status |
861 | call set_application_table_status |
862 | 862 | ||
863 | call get_new_process_place |
863 | call get_new_process_place |
864 | test eax, eax |
864 | test eax, eax |
865 | jz .failed |
865 | jz .failed |
866 | 866 | ||
867 | mov [slot], eax |
867 | mov [slot], eax |
868 | 868 | ||
869 | mov esi,[CURRENT_TASK] |
869 | mov esi,[CURRENT_TASK] |
870 | shl esi,8 |
870 | shl esi,8 |
871 | add esi,PROC_BASE |
871 | add esi,SLOT_BASE |
872 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
872 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
873 | 873 | ||
874 | mov edi, eax |
874 | mov edi, eax |
875 | shl edi,8 |
875 | shl edi,8 |
876 | add edi,PROC_BASE |
876 | add edi,SLOT_BASE |
877 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
877 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
878 | mov ecx,256/4 |
878 | mov ecx,256/4 |
879 | xor eax, eax |
879 | xor eax, eax |
880 | cld |
880 | cld |
881 | rep stosd ;clean extended information about new thread |
881 | rep stosd ;clean extended information about new thread |
882 | mov esi,ebx |
882 | mov esi,ebx |
883 | mov edi,edx |
883 | mov edi,edx |
884 | mov ecx,11 |
884 | mov ecx,11 |
885 | rep movsb ;copy process name |
885 | rep movsb ;copy process name |
886 | 886 | ||
887 | mov eax,[ebx+APPDATA.heap_base] |
887 | mov eax,[ebx+APPDATA.heap_base] |
888 | mov [edx+APPDATA.heap_base], eax |
888 | mov [edx+APPDATA.heap_base], eax |
889 | 889 | ||
890 | mov ecx,[ebx+APPDATA.heap_top] |
890 | mov ecx,[ebx+APPDATA.heap_top] |
891 | mov [edx+APPDATA.heap_top], ecx |
891 | mov [edx+APPDATA.heap_top], ecx |
892 | 892 | ||
893 | mov eax,[ebx+APPDATA.mem_size] |
893 | mov eax,[ebx+APPDATA.mem_size] |
894 | mov [edx+APPDATA.mem_size], eax |
894 | mov [edx+APPDATA.mem_size], eax |
895 | 895 | ||
896 | mov ecx,[ebx+APPDATA.dir_table] |
896 | mov ecx,[ebx+APPDATA.dir_table] |
897 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
897 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
898 | 898 | ||
899 | lea eax, [app_cmdline] |
899 | lea eax, [app_cmdline] |
900 | stdcall set_app_params ,[slot],eax,dword 0,\ |
900 | stdcall set_app_params ,[slot],eax,dword 0,\ |
901 | dword 0,dword 0 |
901 | dword 0,dword 0 |
902 | 902 | ||
903 | mov esi,new_process_running |
903 | mov esi,new_process_running |
904 | call sys_msg_board_str ;output information about succefull startup |
904 | call sys_msg_board_str ;output information about succefull startup |
905 | 905 | ||
906 | mov [application_table_status],0 ;unlock application_table_status mutex |
906 | mov [application_table_status],0 ;unlock application_table_status mutex |
907 | mov eax,[process_number] ;set result |
907 | mov eax,[process_number] ;set result |
908 | ret |
908 | ret |
909 | .failed: |
909 | .failed: |
910 | mov [application_table_status],0 |
910 | mov [application_table_status],0 |
911 | mov eax,-1 |
911 | mov eax,-1 |
912 | ret |
912 | ret |
913 | endp |
913 | endp |
914 | 914 | ||
915 | ; param |
915 | ; param |
916 | ; ebx=mutex |
916 | ; ebx=mutex |
917 | 917 | ||
918 | align 4 |
918 | align 4 |
919 | wait_mutex: |
919 | wait_mutex: |
920 | push eax |
920 | push eax |
921 | push ebx |
921 | push ebx |
922 | .do_wait: |
922 | .do_wait: |
923 | cmp dword [ebx],0 |
923 | cmp dword [ebx],0 |
924 | je .get_lock |
924 | je .get_lock |
925 | call change_task |
925 | call change_task |
926 | jmp .do_wait |
926 | jmp .do_wait |
927 | .get_lock: |
927 | .get_lock: |
928 | mov eax, 1 |
928 | mov eax, 1 |
929 | xchg eax, [ebx] |
929 | xchg eax, [ebx] |
930 | test eax, eax |
930 | test eax, eax |
931 | jnz .do_wait |
931 | jnz .do_wait |
932 | pop ebx |
932 | pop ebx |
933 | pop eax |
933 | pop eax |
934 | ret |
934 | ret |
935 | 935 | ||
936 | align 4 |
936 | align 4 |
937 | proc set_app_params stdcall,slot:dword, params:dword,\ |
937 | proc set_app_params stdcall,slot:dword, params:dword,\ |
938 | cmd_line:dword, app_path:dword, flags:dword |
938 | cmd_line:dword, app_path:dword, flags:dword |
939 | 939 | ||
940 | locals |
940 | locals |
941 | pl0_stack dd ? |
941 | pl0_stack dd ? |
942 | endl |
942 | endl |
943 | 943 | ||
944 | stdcall kernel_alloc, 0x2000 |
944 | stdcall kernel_alloc, 0x2000 |
945 | mov [pl0_stack], eax |
945 | mov [pl0_stack], eax |
946 | 946 | ||
947 | lea edi, [eax+0x2000-512] |
947 | lea edi, [eax+0x2000-512] |
948 | 948 | ||
949 | mov eax, [slot] |
949 | mov eax, [slot] |
950 | mov ebx, eax |
950 | mov ebx, eax |
951 | 951 | ||
952 | shl eax, 8 |
952 | shl eax, 8 |
953 | mov [eax+PROC_BASE+APPDATA.fpu_state], edi |
953 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
954 | mov [eax+PROC_BASE+APPDATA.fpu_handler], 0 |
954 | mov [eax+SLOT_BASE+APPDATA.fpu_handler], 0 |
955 | mov [eax+PROC_BASE+APPDATA.sse_handler], 0 |
955 | mov [eax+SLOT_BASE+APPDATA.sse_handler], 0 |
956 | 956 | ||
957 | mov esi, fpu_data |
957 | mov esi, fpu_data |
958 | mov ecx, 512/4 |
958 | mov ecx, 512/4 |
959 | rep movsd |
959 | rep movsd |
960 | 960 | ||
961 | cmp ebx,[TASK_COUNT] |
961 | cmp ebx,[TASK_COUNT] |
962 | jle .noinc |
962 | jle .noinc |
963 | inc dword [TASK_COUNT] ;update number of processes |
963 | inc dword [TASK_COUNT] ;update number of processes |
964 | .noinc: |
964 | .noinc: |
965 | shl ebx,8 |
965 | shl ebx,8 |
966 | lea edx, [ebx+PROC_BASE+APP_EV_OFFSET] |
966 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
967 | mov [PROC_BASE+APPDATA.fd_ev+ebx],edx |
967 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
968 | mov [PROC_BASE+APPDATA.bk_ev+ebx],edx |
968 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
969 | 969 | ||
970 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
970 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
971 | mov [PROC_BASE+APPDATA.fd_obj+ebx],edx |
971 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
972 | mov [PROC_BASE+APPDATA.bk_obj+ebx],edx |
972 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
973 | 973 | ||
974 | mov ecx, [def_cursor] |
974 | mov ecx, [def_cursor] |
975 | mov [PROC_BASE+APPDATA.cursor+ebx],ecx |
975 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
976 | mov eax, [pl0_stack] |
976 | mov eax, [pl0_stack] |
977 | mov [PROC_BASE+APPDATA.pl0_stack+ebx],eax |
977 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
978 | 978 | ||
979 | shr ebx,3 |
979 | shr ebx,3 |
980 | mov eax, new_app_base |
980 | mov eax, new_app_base |
981 | mov dword [CURRENT_TASK+ebx+0x10],eax |
981 | mov dword [CURRENT_TASK+ebx+0x10],eax |
982 | 982 | ||
983 | .add_command_line: |
983 | .add_command_line: |
984 | mov edx,[params] |
984 | mov edx,[params] |
985 | mov edx,[edx] ;app_cmdline |
985 | mov edx,[edx] ;app_cmdline |
986 | test edx,edx |
986 | test edx,edx |
987 | jz @F ;application don't need parameters |
987 | jz @F ;application don't need parameters |
988 | 988 | ||
989 | mov eax, edx |
989 | mov eax, edx |
990 | add eax, 256 |
990 | add eax, 256 |
991 | jc @f |
991 | jc @f |
992 | 992 | ||
993 | cmp eax, [PROC_BASE+APPDATA.mem_size+ebx*8] |
993 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
994 | ja @f |
994 | ja @f |
995 | 995 | ||
996 | add edx, new_app_base |
996 | add edx, new_app_base |
997 | stdcall k_strncpy, edx, [cmd_line], 256 |
997 | stdcall k_strncpy, edx, [cmd_line], 256 |
998 | @@: |
998 | @@: |
999 | mov edx,[params] |
999 | mov edx,[params] |
1000 | mov edx, [edx+4] ;app_path |
1000 | mov edx, [edx+4] ;app_path |
1001 | test edx,edx |
1001 | test edx,edx |
1002 | jz @F ;application don't need path of file |
1002 | jz @F ;application don't need path of file |
1003 | mov eax, edx |
1003 | mov eax, edx |
1004 | add eax, 1024 |
1004 | add eax, 1024 |
1005 | jc @f |
1005 | jc @f |
1006 | cmp eax, [PROC_BASE+APPDATA.mem_size+ebx*8] |
1006 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1007 | ja @f |
1007 | ja @f |
1008 | add edx, new_app_base |
1008 | add edx, new_app_base |
1009 | stdcall k_strncpy, edx, [app_path], 1024 |
1009 | stdcall k_strncpy, edx, [app_path], 1024 |
1010 | @@: |
1010 | @@: |
1011 | mov ebx,[slot] |
1011 | mov ebx,[slot] |
1012 | mov eax,ebx |
1012 | mov eax,ebx |
1013 | shl ebx,5 |
1013 | shl ebx,5 |
1014 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1014 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1015 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1015 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1016 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
1016 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
1017 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
1017 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
1018 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
1018 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
1019 | 1019 | ||
1020 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
1020 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
1021 | 1021 | ||
1022 | inc dword [process_number] |
1022 | inc dword [process_number] |
1023 | mov eax,[process_number] |
1023 | mov eax,[process_number] |
1024 | mov [ebx+4],eax ;set PID |
1024 | mov [ebx+4],eax ;set PID |
1025 | 1025 | ||
1026 | mov ecx,ebx |
1026 | mov ecx,ebx |
1027 | add ecx,(draw_data-CURRENT_TASK) ;ecx - pointer to draw data |
1027 | add ecx,(draw_data-CURRENT_TASK) ;ecx - pointer to draw data |
1028 | ;set draw data to full screen |
1028 | ;set draw data to full screen |
1029 | 1029 | ||
1030 | mov [ecx+0],dword 0 |
1030 | mov [ecx+0],dword 0 |
1031 | mov [ecx+4],dword 0 |
1031 | mov [ecx+4],dword 0 |
1032 | mov eax,[SCR_X_SIZE] |
1032 | mov eax,[SCR_X_SIZE] |
1033 | mov [ecx+8],eax |
1033 | mov [ecx+8],eax |
1034 | mov eax,[SCR_Y_SIZE] |
1034 | mov eax,[SCR_Y_SIZE] |
1035 | mov [ecx+12],eax |
1035 | mov [ecx+12],eax |
1036 | 1036 | ||
1037 | mov edi,[slot] |
1037 | mov edi,[slot] |
1038 | imul edi,tss_step |
1038 | imul edi,tss_step |
1039 | add edi,tss_data |
1039 | add edi,tss_data |
1040 | mov ecx,128/4 |
1040 | mov ecx,128/4 |
1041 | xor eax, eax |
1041 | xor eax, eax |
1042 | cld |
1042 | cld |
1043 | rep stosd |
1043 | rep stosd |
1044 | ;Add IO access table - bit array of permitted ports |
1044 | ;Add IO access table - bit array of permitted ports |
1045 | not eax |
1045 | not eax |
1046 | mov ecx,2048 |
1046 | mov ecx,2048 |
1047 | rep stosd ; access to 4096*8=65536 ports |
1047 | rep stosd ; access to 4096*8=65536 ports |
1048 | sub edi, tss_step |
1048 | sub edi, tss_step |
1049 | 1049 | ||
1050 | ;set cr3 register in TSS of application |
1050 | ;set cr3 register in TSS of application |
1051 | mov ecx, [slot] |
1051 | mov ecx, [slot] |
1052 | shl ecx, 8 |
1052 | shl ecx, 8 |
1053 | mov eax,[PROC_BASE+ecx+APPDATA.dir_table] |
1053 | mov eax,[SLOT_BASE+ecx+APPDATA.dir_table] |
1054 | mov [edi+TSS._cr3],eax |
1054 | mov [edi+TSS._cr3],eax |
1055 | 1055 | ||
1056 | mov esi,[params] |
1056 | mov esi,[params] |
1057 | mov eax, [esi+0x08] ;app_eip |
1057 | mov eax, [esi+0x08] ;app_eip |
1058 | mov [edi+TSS._eip],eax ;set eip in TSS |
1058 | mov [edi+TSS._eip],eax ;set eip in TSS |
1059 | mov eax, [esi+0x0C] ;app_esp |
1059 | mov eax, [esi+0x0C] ;app_esp |
1060 | mov [edi+TSS._esp],eax ;set stack in TSS |
1060 | mov [edi+TSS._esp],eax ;set stack in TSS |
1061 | mov [edi+TSS._eflags],dword 0x1202 |
1061 | mov [edi+TSS._eflags],dword 0x1202 |
1062 | 1062 | ||
1063 | mov [edi+TSS._cs],app_code ;selector of code segment |
1063 | mov [edi+TSS._cs],app_code ;selector of code segment |
1064 | mov [edi+TSS._ss],app_data |
1064 | mov [edi+TSS._ss],app_data |
1065 | mov [edi+TSS._ds],app_data |
1065 | mov [edi+TSS._ds],app_data |
1066 | mov [edi+TSS._es],app_data |
1066 | mov [edi+TSS._es],app_data |
1067 | mov [edi+TSS._fs],app_data |
1067 | mov [edi+TSS._fs],app_data |
1068 | mov [edi+TSS._gs],graph_data ;selector of graphic segment |
1068 | mov [edi+TSS._gs],graph_data ;selector of graphic segment |
1069 | mov [edi+TSS._io],word 128 |
1069 | mov [edi+TSS._io],word 128 |
1070 | mov [edi+TSS._ss0], os_data |
1070 | mov [edi+TSS._ss0], os_data |
1071 | mov ebx, [pl0_stack] |
1071 | mov ebx, [pl0_stack] |
1072 | add ebx, 0x2000-512 |
1072 | add ebx, 0x2000-512 |
1073 | mov [edi+TSS._esp0],ebx |
1073 | mov [edi+TSS._esp0],ebx |
1074 | 1074 | ||
1075 | mov ecx, edi ;ecx - address of application TSS |
1075 | mov ecx, edi ;ecx - address of application TSS |
1076 | mov ebx,[slot] |
1076 | mov ebx,[slot] |
1077 | shl ebx,3 |
1077 | shl ebx,3 |
1078 | ;set TSS descriptor |
1078 | ;set TSS descriptor |
1079 | mov [ebx+gdts+tss0+0],word tss_step ;limit (size) |
1079 | mov [ebx+gdts+tss0+0],word tss_step ;limit (size) |
1080 | mov [ebx+gdts+tss0+2],cx ;part of offset |
1080 | mov [ebx+gdts+tss0+2],cx ;part of offset |
1081 | shr ecx,16 |
1081 | shr ecx,16 |
1082 | mov [ebx+gdts+tss0+4],cl ;part of offset |
1082 | mov [ebx+gdts+tss0+4],cl ;part of offset |
1083 | mov [ebx+gdts+tss0+7],ch ;part of offset |
1083 | mov [ebx+gdts+tss0+7],ch ;part of offset |
1084 | mov [ebx+gdts+tss0+5],word 01010000b*256+11101001b ;system flags |
1084 | mov [ebx+gdts+tss0+5],word 01010000b*256+11101001b ;system flags |
1085 | 1085 | ||
1086 | ;flush keyboard and buttons queue |
1086 | ;flush keyboard and buttons queue |
1087 | mov [KEY_COUNT],byte 0 |
1087 | mov [KEY_COUNT],byte 0 |
1088 | mov [BTN_COUNT],byte 0 |
1088 | mov [BTN_COUNT],byte 0 |
1089 | 1089 | ||
1090 | mov edi,[slot] |
1090 | mov edi,[slot] |
1091 | shl edi,5 |
1091 | shl edi,5 |
1092 | add edi,window_data |
1092 | add edi,window_data |
1093 | mov ebx,[slot] |
1093 | mov ebx,[slot] |
1094 | movzx esi,word [WIN_STACK+ebx*2] |
1094 | movzx esi,word [WIN_STACK+ebx*2] |
1095 | lea esi,[WIN_POS+esi*2] |
1095 | lea esi,[WIN_POS+esi*2] |
1096 | call windowactivate ;gui initialization |
1096 | call windowactivate ;gui initialization |
1097 | 1097 | ||
1098 | mov ebx,[slot] |
1098 | mov ebx,[slot] |
1099 | shl ebx,5 |
1099 | shl ebx,5 |
1100 | mov [CURRENT_TASK+ebx+0xa],byte 0 ;set process state - running |
1100 | mov [CURRENT_TASK+ebx+0xa],byte 0 ;set process state - running |
1101 | ; set if debuggee |
1101 | ; set if debuggee |
1102 | mov eax, [flags] |
1102 | mov eax, [flags] |
1103 | test byte [flags], 1 |
1103 | test byte [flags], 1 |
1104 | jz .no_debug |
1104 | jz .no_debug |
1105 | mov [CURRENT_TASK+ebx+0xa],byte 1 ;set process state - suspended |
1105 | mov [CURRENT_TASK+ebx+0xa],byte 1 ;set process state - suspended |
1106 | mov eax,[CURRENT_TASK] |
1106 | mov eax,[CURRENT_TASK] |
1107 | mov [PROC_BASE+ebx*8+0xac],eax ;set debugger PID - current |
1107 | mov [SLOT_BASE+ebx*8+0xac],eax ;set debugger PID - current |
1108 | .no_debug: |
1108 | .no_debug: |
1109 | mov esi,new_process_running |
1109 | mov esi,new_process_running |
1110 | call sys_msg_board_str ;output information about succefull startup |
1110 | call sys_msg_board_str ;output information about succefull startup |
1111 | ret |
1111 | ret |
1112 | endp |
1112 | endp |
1113 | 1113 | ||
1114 | 1114 | ||
1115 | 1115 | ||
1116 | include "debug.inc" |
1116 | include "debug.inc" |
1117 | 1117 | ||
1118 | iglobal |
1118 | iglobal |
1119 | new_process_loading db 'K : New Process - loading',13,10,0 |
1119 | new_process_loading db 'K : New Process - loading',13,10,0 |
1120 | new_process_running db 'K : New Process - done',13,10,0 |
1120 | new_process_running db 'K : New Process - done',13,10,0 |
1121 | start_not_enough_memory db 'K : New Process - not enough memory',13,10,0 |
1121 | start_not_enough_memory db 'K : New Process - not enough memory',13,10,0 |
1122 | endg256 |
1122 | endg256 |
1123 | >> |
1123 | >> |