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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License. ;; |
4 | ;; Distributed under terms of the GNU General Public License. ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
7 | 7 | ||
8 | $Revision: 9930 $ |
8 | $Revision: 9932 $ |
9 | 9 | ||
10 | 10 | ||
11 | GREEDY_KERNEL = 0 |
11 | GREEDY_KERNEL = 0 |
12 | 12 | ||
13 | struct APP_HEADER_00_ |
13 | struct APP_HEADER_00_ |
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 | i_param dd ? ;+24 |
19 | i_param dd ? ;+24 |
20 | ends |
20 | ends |
21 | 21 | ||
22 | struct APP_HEADER_01_ |
22 | struct APP_HEADER_01_ |
23 | banner dq ? |
23 | banner dq ? |
24 | version dd ? ;+8 |
24 | version dd ? ;+8 |
25 | start dd ? ;+12 |
25 | start dd ? ;+12 |
26 | i_end dd ? ;+16 |
26 | i_end dd ? ;+16 |
27 | mem_size dd ? ;+20 |
27 | mem_size dd ? ;+20 |
28 | stack_top dd ? ;+24 |
28 | stack_top dd ? ;+24 |
29 | i_param dd ? ;+28 |
29 | i_param dd ? ;+28 |
30 | i_icon dd ? ;+32 |
30 | i_icon dd ? ;+32 |
31 | ends |
31 | ends |
32 | 32 | ||
33 | struct APP_HDR |
33 | struct APP_HDR |
34 | cmdline rd 1 ;0x00 |
34 | cmdline rd 1 ;0x00 |
35 | path rd 1 ;0x04 |
35 | path rd 1 ;0x04 |
36 | eip rd 1 ;0x08 |
36 | eip rd 1 ;0x08 |
37 | esp rd 1 ;0x0C |
37 | esp rd 1 ;0x0C |
38 | _edata rd 1 ;0x10 |
38 | _edata rd 1 ;0x10 |
39 | _emem rd 1 ;0x14 |
39 | _emem rd 1 ;0x14 |
40 | img_base rd 1 ;0x18 |
40 | img_base rd 1 ;0x18 |
41 | img_size rd 1 |
41 | img_size rd 1 |
42 | filename_size rd 1 |
42 | filename_size rd 1 |
43 | cmdline_size rd 1 |
43 | cmdline_size rd 1 |
44 | path_string rd 1 |
44 | path_string rd 1 |
45 | ends |
45 | ends |
46 | 46 | ||
47 | macro _clear_ op |
47 | macro _clear_ op |
48 | { mov ecx, op/4 |
48 | { mov ecx, op/4 |
49 | xor eax, eax |
49 | xor eax, eax |
50 | cld |
50 | cld |
51 | rep stosd |
51 | rep stosd |
52 | } |
52 | } |
53 | 53 | ||
54 | align 4 |
54 | align 4 |
55 | _strnlen: |
55 | _strnlen: |
56 | mov edx, ecx |
56 | mov edx, ecx |
57 | xor eax, eax |
57 | xor eax, eax |
58 | repne scasb |
58 | repne scasb |
59 | jne @F |
59 | jne @F |
60 | inc ecx |
60 | inc ecx |
61 | @@: |
61 | @@: |
62 | mov eax, edx |
62 | mov eax, edx |
63 | sub eax, ecx |
63 | sub eax, ecx |
64 | retn |
64 | retn |
65 | 65 | ||
66 | fs_execute_from_sysdir: |
66 | fs_execute_from_sysdir: |
67 | xor ebx, ebx |
67 | xor ebx, ebx |
68 | fs_execute_from_sysdir_param: |
68 | fs_execute_from_sysdir_param: |
69 | stdcall kernel_alloc, maxPathLength |
69 | stdcall kernel_alloc, maxPathLength |
70 | push eax ebx |
70 | push eax ebx |
71 | mov esi, ebp |
71 | mov esi, ebp |
72 | mov edi, eax |
72 | mov edi, eax |
73 | xor eax, eax |
73 | xor eax, eax |
74 | call getFullPath |
74 | call getFullPath |
75 | pop ecx ebx |
75 | pop ecx ebx |
76 | xor edx, edx |
76 | xor edx, edx |
77 | ; @brief Executes a program |
77 | ; @brief Executes a program |
78 | ; @param edx Flags |
78 | ; @param edx Flags |
79 | ; @param ecx Commandline |
79 | ; @param ecx Commandline |
80 | ; @param ebx Absolute file path |
80 | ; @param ebx Absolute file path |
81 | ; @param eax String length |
81 | ; @param eax String length |
82 | ; @returns Negated error code or new process number |
82 | ; @returns Negated error code or new process number |
83 | proc fs_execute |
83 | proc fs_execute |
84 | locals |
84 | locals |
85 | cmdline rd 1 |
85 | cmdline rd 1 |
86 | flags rd 1 |
86 | flags rd 1 |
87 | slot rd 1 ; index of new thread slot |
87 | slot rd 1 ; index of new thread slot |
88 | slot_base rd 1 ; base address of it |
88 | slot_base rd 1 ; base address of it |
89 | ; app header data |
89 | ; app header data |
90 | hdr_cmdline rd 1 |
90 | hdr_cmdline rd 1 |
91 | hdr_path rd 1 |
91 | hdr_path rd 1 |
92 | hdr_eip rd 1 |
92 | hdr_eip rd 1 |
93 | hdr_esp rd 1 |
93 | hdr_esp rd 1 |
94 | hdr_edata rd 1 |
94 | hdr_edata rd 1 |
95 | hdr_emem rd 1 |
95 | hdr_emem rd 1 |
96 | file_base rd 1 |
96 | file_base rd 1 |
97 | file_size rd 1 |
97 | file_size rd 1 |
98 | filename_size rd 1 |
98 | filename_size rd 1 |
99 | cmdline_size rd 1 |
99 | cmdline_size rd 1 |
100 | path_string rd 1 |
100 | path_string rd 1 |
101 | endl |
101 | endl |
102 | 102 | ||
103 | and edx, 1 ;clear flags user. TODO: add api for start apps with user flags |
103 | and edx, 1 ;clear flags user. TODO: add api for start apps with user flags |
104 | mov [flags], edx |
104 | mov [flags], edx |
105 | mov [cmdline], ecx |
105 | mov [cmdline], ecx |
106 | mov [path_string], ebx |
106 | mov [path_string], ebx |
107 | mov [filename_size], eax |
107 | mov [filename_size], eax |
108 | mov esi, -ERROR_FILE_NOT_FOUND |
108 | mov esi, -ERROR_FILE_NOT_FOUND |
109 | test eax, eax |
109 | test eax, eax |
110 | jz .err_file |
110 | jz .err_file |
111 | stdcall load_file, ebx |
111 | stdcall load_file, ebx |
112 | test eax, eax |
112 | test eax, eax |
113 | jz .err_file |
113 | jz .err_file |
114 | 114 | ||
115 | mov [file_base], eax |
115 | mov [file_base], eax |
116 | mov [file_size], ebx |
116 | mov [file_size], ebx |
117 | lea ebx, [hdr_cmdline] |
117 | lea ebx, [hdr_cmdline] |
118 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
118 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
119 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
119 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
120 | test eax, eax |
120 | test eax, eax |
121 | jz .err_hdr |
121 | jz .err_hdr |
122 | 122 | ||
123 | call lock_application_table |
123 | call lock_application_table |
124 | call alloc_thread_slot ; create a slot for new thread |
124 | call alloc_thread_slot ; create a slot for new thread |
125 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
125 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
126 | test eax, eax |
126 | test eax, eax |
127 | jz .err_0 |
127 | jz .err_0 |
128 | 128 | ||
129 | mov [slot], eax |
129 | mov [slot], eax |
130 | shl eax, BSF sizeof.APPDATA |
130 | shl eax, BSF sizeof.APPDATA |
131 | lea edi, [SLOT_BASE + eax] |
131 | lea edi, [SLOT_BASE + eax] |
132 | mov [slot_base], edi |
132 | mov [slot_base], edi |
133 | ; clean extended information about process |
133 | ; clean extended information about process |
134 | mov ecx, sizeof.APPDATA/4 |
134 | mov ecx, sizeof.APPDATA/4 |
135 | xor eax, eax |
135 | xor eax, eax |
136 | cld |
136 | cld |
137 | rep stosd |
137 | rep stosd |
138 | ; write application name ( APPDATA.appname ) |
138 | ; write application name ( APPDATA.appname ) |
139 | stdcall strrchr, [path_string], '/' |
139 | stdcall strrchr, [path_string], '/' |
140 | lea esi, [eax+1] ; -> name without path |
140 | lea esi, [eax+1] ; -> name without path |
141 | mov ecx, 11 |
141 | mov ecx, 11 |
142 | mov edi, [slot_base] |
142 | mov edi, [slot_base] |
143 | @@: |
143 | @@: |
144 | call utf8to16 |
144 | call utf8to16 |
145 | call uni2ansi_char |
145 | call uni2ansi_char |
146 | cmp al, '.' |
146 | cmp al, '.' |
147 | jz @f |
147 | jz @f |
148 | test al, al |
148 | test al, al |
149 | jz @f |
149 | jz @f |
150 | stosb |
150 | stosb |
151 | loop @b |
151 | loop @b |
152 | @@: |
152 | @@: |
153 | mov edi, [cmdline] |
153 | mov edi, [cmdline] |
154 | xor eax, eax |
154 | xor eax, eax |
155 | test edi, edi |
155 | test edi, edi |
156 | jz @f |
156 | jz @f |
157 | mov ecx, 65535 |
157 | mov ecx, 65535 |
158 | call _strnlen |
158 | call _strnlen |
159 | cmp eax, 256 |
159 | cmp eax, 256 |
160 | jb @f |
160 | jb @f |
161 | ; if cmdline length >= 256 then increase needed memory size by this length |
161 | ; if cmdline length >= 256 then increase needed memory size by this length |
162 | lea ebx, [eax+1] |
162 | lea ebx, [eax+1] |
163 | add [hdr_emem], ebx |
163 | add [hdr_emem], ebx |
164 | @@: |
164 | @@: |
165 | mov [cmdline_size], eax |
165 | mov [cmdline_size], eax |
166 | stdcall create_process, [hdr_emem] ; create a new process |
166 | stdcall create_process, [hdr_emem] ; create a new process |
167 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
167 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
168 | test eax, eax |
168 | test eax, eax |
169 | jz .err_hdr |
169 | jz .err_hdr |
170 | 170 | ||
171 | ; add new process to the list |
171 | ; add new process to the list |
172 | mov ebx, [sys_proc + LHEAD.prev] |
172 | mov ebx, [sys_proc + LHEAD.prev] |
173 | __list_add eax, ebx, sys_proc |
173 | __list_add eax, ebx, sys_proc |
174 | ; fill the structure fields: |
174 | ; fill the structure fields: |
175 | mov ebx, [hdr_emem] |
175 | mov ebx, [hdr_emem] |
176 | mov [eax + PROC.mem_used], ebx |
176 | mov [eax + PROC.mem_used], ebx |
177 | 177 | ||
178 | ; write that main thread of app belongs to new process |
178 | ; write that main thread of app belongs to new process |
179 | mov ebx, [slot_base] |
179 | mov ebx, [slot_base] |
180 | mov [ebx + APPDATA.process], eax |
180 | mov [ebx + APPDATA.process], eax |
181 | 181 | ||
182 | ; initialize the thread list of process: at this moment it consists only of one main thread |
182 | ; initialize the thread list of process: at this moment it consists only of one main thread |
183 | lea edx, [ebx + APPDATA.list] |
183 | lea edx, [ebx + APPDATA.list] |
184 | lea ecx, [eax + PROC.thr_list] |
184 | lea ecx, [eax + PROC.thr_list] |
185 | list_add_tail edx, ecx |
185 | list_add_tail edx, ecx |
186 | 186 | ||
187 | ; allocate space and copy app header data locals and cmdline string there, put pointer to exec_params of new thread |
187 | ; allocate space and copy app header data locals and cmdline string there, put pointer to exec_params of new thread |
188 | mov eax, [cmdline_size] |
188 | mov eax, [cmdline_size] |
189 | add eax, sizeof.APP_HDR |
189 | add eax, sizeof.APP_HDR |
190 | stdcall kernel_alloc, eax |
190 | stdcall kernel_alloc, eax |
191 | mov [ebx + APPDATA.exec_params], eax |
191 | mov [ebx + APPDATA.exec_params], eax |
192 | mov edi, eax |
192 | mov edi, eax |
193 | lea esi, [hdr_cmdline] |
193 | lea esi, [hdr_cmdline] |
194 | mov ecx, sizeof.APP_HDR/4 |
194 | mov ecx, sizeof.APP_HDR/4 |
195 | rep movsd |
195 | rep movsd |
196 | mov ecx, [cmdline_size] |
196 | mov ecx, [cmdline_size] |
197 | mov esi, [cmdline] |
197 | mov esi, [cmdline] |
198 | rep movsb |
198 | rep movsb |
199 | ; set other parameters of application |
199 | ; set other parameters of application |
200 | lea eax, [hdr_cmdline] |
200 | lea eax, [hdr_cmdline] |
201 | stdcall set_app_params , [slot], eax, [flags] |
201 | stdcall set_app_params , [slot], eax, [flags] |
202 | mov eax, [process_number] ; return process number |
202 | mov eax, [process_number] ; return process number |
203 | call unlock_application_table |
203 | call unlock_application_table |
204 | ret |
204 | ret |
205 | 205 | ||
206 | .err_0: |
206 | .err_0: |
207 | call unlock_application_table |
207 | call unlock_application_table |
208 | .err_hdr: |
208 | .err_hdr: |
209 | stdcall kernel_free, [file_base] |
209 | stdcall kernel_free, [file_base] |
210 | .err_file: |
210 | .err_file: |
211 | stdcall kernel_free, [path_string] |
211 | stdcall kernel_free, [path_string] |
212 | mov eax, esi |
212 | mov eax, esi |
213 | ret |
213 | ret |
214 | endp |
214 | endp |
215 | 215 | ||
216 | align 4 |
216 | align 4 |
217 | test_app_header: |
217 | test_app_header: |
218 | virtual at eax |
218 | virtual at eax |
219 | APP_HEADER_00 APP_HEADER_00_ |
219 | APP_HEADER_00 APP_HEADER_00_ |
220 | end virtual |
220 | end virtual |
221 | virtual at eax |
221 | virtual at eax |
222 | APP_HEADER_01 APP_HEADER_01_ |
222 | APP_HEADER_01 APP_HEADER_01_ |
223 | end virtual |
223 | end virtual |
224 | 224 | ||
225 | cmp dword [eax], 'MENU' |
225 | cmp dword [eax], 'MENU' |
226 | jne .fail |
226 | jne .fail |
227 | cmp word [eax+4], 'ET' |
227 | cmp word [eax+4], 'ET' |
228 | jne .fail |
228 | jne .fail |
229 | 229 | ||
230 | cmp [eax+6], word '00' |
230 | cmp [eax+6], word '00' |
231 | jne .check_01_header |
231 | jne .check_01_header |
232 | 232 | ||
233 | mov ecx, [APP_HEADER_00.start] |
233 | mov ecx, [APP_HEADER_00.start] |
234 | mov [ebx + APP_HDR.eip], ecx |
234 | mov [ebx + APP_HDR.eip], ecx |
235 | mov edx, [APP_HEADER_00.mem_size] |
235 | mov edx, [APP_HEADER_00.mem_size] |
236 | mov [ebx + APP_HDR._emem], edx |
236 | mov [ebx + APP_HDR._emem], edx |
237 | 237 | ||
238 | cmp edx, [APP_HEADER_00.i_end] |
238 | cmp edx, [APP_HEADER_00.i_end] |
239 | jb .fail |
239 | jb .fail |
240 | 240 | ||
241 | cmp edx, OS_BASE ;check memory |
241 | cmp edx, OS_BASE ;check memory |
242 | jae .fail |
242 | jae .fail |
243 | mov ecx, [pg_data.pages_free] |
243 | mov ecx, [pg_data.pages_free] |
244 | shl ecx, 12 ; ecx * 4kb |
244 | shl ecx, 12 ; ecx * 4kb |
245 | cmp edx, ecx |
245 | cmp edx, ecx |
246 | jae .fail |
246 | jae .fail |
247 | 247 | ||
248 | shr edx, 1 |
248 | shr edx, 1 |
249 | sub edx, 0x10 |
249 | sub edx, 0x10 |
250 | mov [ebx + APP_HDR.esp], edx |
250 | mov [ebx + APP_HDR.esp], edx |
251 | mov ecx, [APP_HEADER_00.i_param] |
251 | mov ecx, [APP_HEADER_00.i_param] |
252 | mov [ebx + APP_HDR.cmdline], ecx |
252 | mov [ebx + APP_HDR.cmdline], ecx |
253 | mov [ebx + APP_HDR.path], 0 |
253 | mov [ebx + APP_HDR.path], 0 |
254 | mov edx, [APP_HEADER_00.i_end] |
254 | mov edx, [APP_HEADER_00.i_end] |
255 | mov [ebx + APP_HDR._edata], edx |
255 | mov [ebx + APP_HDR._edata], edx |
256 | ret |
256 | ret |
257 | 257 | ||
258 | .check_01_header: |
258 | .check_01_header: |
259 | 259 | ||
260 | cmp [eax+6], word '01' |
260 | cmp [eax+6], word '01' |
261 | je @f |
261 | je @f |
262 | cmp [eax+6], word '02' |
262 | cmp [eax+6], word '02' |
263 | jne .fail |
263 | jne .fail |
264 | @@: |
264 | @@: |
265 | mov ecx, [APP_HEADER_01.start] |
265 | mov ecx, [APP_HEADER_01.start] |
266 | mov [ebx + 0x08], ecx |
266 | mov [ebx + 0x08], ecx |
267 | mov edx, [APP_HEADER_01.mem_size] |
267 | mov edx, [APP_HEADER_01.mem_size] |
268 | 268 | ||
269 | ; \begin{diamond}[20.08.2006] |
269 | ; \begin{diamond}[20.08.2006] |
270 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
270 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
271 | ; fit in allocated memory to prevent kernel faults) |
271 | ; fit in allocated memory to prevent kernel faults) |
272 | cmp edx, [APP_HEADER_01.i_end] |
272 | cmp edx, [APP_HEADER_01.i_end] |
273 | jb .fail |
273 | jb .fail |
274 | ; \end{diamond}[20.08.2006] |
274 | ; \end{diamond}[20.08.2006] |
275 | cmp edx, OS_BASE ;check memory |
275 | cmp edx, OS_BASE ;check memory |
276 | jae .fail |
276 | jae .fail |
277 | mov ecx, [pg_data.pages_free] |
277 | mov ecx, [pg_data.pages_free] |
278 | shl ecx, 12 ; ecx * 4kb |
278 | shl ecx, 12 ; ecx * 4kb |
279 | cmp edx, ecx |
279 | cmp edx, ecx |
280 | jae .fail |
280 | jae .fail |
281 | 281 | ||
282 | mov [ebx + APP_HDR._emem], edx |
282 | mov [ebx + APP_HDR._emem], edx |
283 | mov ecx, [APP_HEADER_01.stack_top] |
283 | mov ecx, [APP_HEADER_01.stack_top] |
284 | mov [ebx + APP_HDR.esp], ecx |
284 | mov [ebx + APP_HDR.esp], ecx |
285 | mov edx, [APP_HEADER_01.i_param] |
285 | mov edx, [APP_HEADER_01.i_param] |
286 | mov [ebx + APP_HDR.cmdline], edx |
286 | mov [ebx + APP_HDR.cmdline], edx |
287 | mov ecx, [APP_HEADER_01.i_icon] |
287 | mov ecx, [APP_HEADER_01.i_icon] |
288 | mov [ebx + APP_HDR.path], ecx |
288 | mov [ebx + APP_HDR.path], ecx |
289 | mov edx, [APP_HEADER_01.i_end] |
289 | mov edx, [APP_HEADER_01.i_end] |
290 | mov [ebx + APP_HDR._edata], edx |
290 | mov [ebx + APP_HDR._edata], edx |
291 | ret |
291 | ret |
292 | .fail: |
292 | .fail: |
293 | xor eax, eax |
293 | xor eax, eax |
294 | ret |
294 | ret |
295 | 295 | ||
296 | align 4 |
296 | align 4 |
297 | alloc_thread_slot: |
297 | alloc_thread_slot: |
298 | ;input: |
298 | ;input: |
299 | ; none |
299 | ; none |
300 | ;result: |
300 | ;result: |
301 | ; eax=[new_thread_slot]<>0 - ok |
301 | ; eax=[new_thread_slot]<>0 - ok |
302 | ; 0 - failed. |
302 | ; 0 - failed. |
303 | ;This function find least empty slot. |
303 | ;This function find least empty slot. |
304 | ;It doesn't increase [thread_count]! |
304 | ;It doesn't increase [thread_count]! |
305 | 305 | ||
306 | 306 | ||
307 | mov edx, thr_slot_map |
307 | mov edx, thr_slot_map |
308 | pushfd |
308 | pushfd |
309 | cli |
309 | cli |
310 | .l1: |
310 | .l1: |
311 | bsf eax, [edx] |
311 | bsf eax, [edx] |
312 | jnz .found |
312 | jnz .found |
313 | add edx, 4 |
313 | add edx, 4 |
314 | cmp edx, thr_slot_map + 32 |
314 | cmp edx, thr_slot_map + 32 |
315 | jb .l1 |
315 | jb .l1 |
316 | 316 | ||
317 | popfd |
317 | popfd |
318 | xor eax, eax |
318 | xor eax, eax |
319 | ret |
319 | ret |
320 | .found: |
320 | .found: |
321 | btr [edx], eax |
321 | btr [edx], eax |
322 | sub edx, thr_slot_map |
322 | sub edx, thr_slot_map |
323 | lea eax, [eax + edx*8] |
323 | lea eax, [eax + edx*8] |
324 | popfd |
324 | popfd |
325 | ret |
325 | ret |
326 | 326 | ||
327 | align 4 |
327 | align 4 |
328 | proc create_process stdcall, app_size:dword |
328 | proc create_process stdcall, app_size:dword |
329 | locals |
329 | locals |
330 | process dd ? |
330 | process dd ? |
331 | app_tabs dd ? |
331 | app_tabs dd ? |
332 | endl |
332 | endl |
333 | 333 | ||
334 | push ebx |
334 | push ebx |
335 | push esi |
335 | push esi |
336 | push edi |
336 | push edi |
337 | 337 | ||
338 | xor eax, eax |
338 | xor eax, eax |
339 | mov [process], eax |
339 | mov [process], eax |
340 | 340 | ||
341 | mov eax, [app_size] |
341 | mov eax, [app_size] |
342 | add eax, 0x3FFFFF |
342 | add eax, 0x3FFFFF |
343 | shr eax, 22 |
343 | shr eax, 22 |
344 | mov [app_tabs], eax |
344 | mov [app_tabs], eax |
345 | 345 | ||
346 | stdcall kernel_alloc, 0x2000 |
346 | stdcall kernel_alloc, 0x2000 |
347 | test eax, eax |
347 | test eax, eax |
348 | jz .fail |
348 | jz .fail |
349 | mov [process], eax |
349 | mov [process], eax |
350 | 350 | ||
351 | lea edi, [eax + PROC.heap_lock] |
351 | lea edi, [eax + PROC.heap_lock] |
352 | mov ecx, (PROC.ht_free - PROC.heap_lock)/4 |
352 | mov ecx, (PROC.ht_free - PROC.heap_lock)/4 |
353 | 353 | ||
354 | list_init eax |
354 | list_init eax |
355 | add eax, PROC.thr_list |
355 | add eax, PROC.thr_list |
356 | list_init eax |
356 | list_init eax |
357 | 357 | ||
358 | xor eax, eax |
358 | xor eax, eax |
359 | cld |
359 | cld |
360 | rep stosd |
360 | rep stosd |
361 | 361 | ||
362 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
362 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
363 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
363 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
364 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
364 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
365 | add edi, 8 |
365 | add edi, 8 |
366 | inc eax |
366 | inc eax |
367 | @@: |
367 | @@: |
368 | stosd |
368 | stosd |
369 | inc eax |
369 | inc eax |
370 | cmp eax, ecx |
370 | cmp eax, ecx |
371 | jbe @B |
371 | jbe @B |
372 | 372 | ||
373 | mov eax, edi |
373 | mov eax, edi |
374 | call get_pg_addr |
374 | call get_pg_addr |
375 | mov [edi - PAGE_SIZE + PROC.pdt_0_phys], eax |
375 | mov [edi - PAGE_SIZE + PROC.pdt_0_phys], eax |
376 | 376 | ||
377 | mov ecx, (OS_BASE shr 20)/4 |
377 | mov ecx, (OS_BASE shr 20)/4 |
378 | xor eax, eax |
378 | xor eax, eax |
379 | rep stosd |
379 | rep stosd |
380 | 380 | ||
381 | mov ecx, (OS_BASE shr 20)/4 |
381 | mov ecx, (OS_BASE shr 20)/4 |
382 | mov esi, sys_proc + PROC.pdt_0 + (OS_BASE shr 20) |
382 | mov esi, sys_proc + PROC.pdt_0 + (OS_BASE shr 20) |
383 | rep movsd |
383 | rep movsd |
384 | 384 | ||
385 | mov eax, [edi - 8192 + PROC.pdt_0_phys] |
385 | mov eax, [edi - 8192 + PROC.pdt_0_phys] |
386 | or eax, PG_SWR |
386 | or eax, PG_SWR |
387 | mov [edi - PAGE_SIZE + (page_tabs shr 20)], eax |
387 | mov [edi - PAGE_SIZE + (page_tabs shr 20)], eax |
388 | 388 | ||
389 | lea edx, [edi - PAGE_SIZE] |
389 | lea edx, [edi - PAGE_SIZE] |
390 | mov esi, [app_tabs] |
390 | mov esi, [app_tabs] |
391 | 391 | ||
392 | .alloc_page_dir: |
392 | .alloc_page_dir: |
393 | call alloc_page |
393 | call alloc_page |
394 | test eax, eax |
394 | test eax, eax |
395 | jz .fail |
395 | jz .fail |
396 | or eax, PG_UWR |
396 | or eax, PG_UWR |
397 | mov [edx], eax |
397 | mov [edx], eax |
398 | 398 | ||
399 | mov edi, [tmp_task_ptab] |
399 | mov edi, [tmp_task_ptab] |
400 | stdcall map_page, edi, eax, PG_SWR |
400 | stdcall map_page, edi, eax, PG_SWR |
401 | mov ecx, 1024 |
401 | mov ecx, PAGE_SIZE/4 |
402 | xor eax, eax |
402 | xor eax, eax |
403 | rep stosd |
403 | rep stosd |
404 | 404 | ||
405 | add edx, 4 |
405 | add edx, 4 |
406 | dec esi |
406 | dec esi |
407 | jnz .alloc_page_dir |
407 | jnz .alloc_page_dir |
408 | 408 | ||
409 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
409 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
410 | mov eax, [process] |
410 | mov eax, [process] |
411 | 411 | ||
412 | pop edi |
412 | pop edi |
413 | pop esi |
413 | pop esi |
414 | pop ebx |
414 | pop ebx |
415 | ret |
415 | ret |
416 | .fail: |
416 | .fail: |
417 | mov ecx, [process] |
417 | mov ecx, [process] |
418 | jcxz @F |
418 | jcxz @F |
419 | 419 | ||
420 | call destroy_process |
420 | call destroy_process |
421 | @@: |
421 | @@: |
422 | xor eax, eax |
422 | xor eax, eax |
423 | pop edi |
423 | pop edi |
424 | pop esi |
424 | pop esi |
425 | pop ebx |
425 | pop ebx |
426 | ret |
426 | ret |
427 | endp |
427 | endp |
428 | 428 | ||
429 | align 4 |
429 | align 4 |
430 | proc destroy_page_table stdcall, pg_tab:dword |
430 | proc destroy_page_table stdcall, pg_tab:dword |
431 | 431 | ||
432 | push esi |
432 | push esi |
433 | 433 | ||
434 | mov esi, [pg_tab] |
434 | mov esi, [pg_tab] |
435 | mov ecx, 1024 |
435 | mov ecx, 1024 |
436 | .free: |
436 | .free: |
437 | mov eax, [esi] |
437 | mov eax, [esi] |
438 | test eax, 1 |
438 | test eax, 1 |
439 | jz .next |
439 | jz .next |
440 | test eax, 2 |
440 | test eax, 2 |
441 | jz .next |
441 | jz .next |
442 | test eax, 1 shl 9 |
442 | test eax, 1 shl 9 |
443 | jnz .next ;skip shared pages |
443 | jnz .next ;skip shared pages |
444 | call free_page |
444 | call free_page |
445 | .next: |
445 | .next: |
446 | add esi, 4 |
446 | add esi, 4 |
447 | dec ecx |
447 | dec ecx |
448 | jnz .free |
448 | jnz .free |
449 | pop esi |
449 | pop esi |
450 | ret |
450 | ret |
451 | endp |
451 | endp |
452 | 452 | ||
453 | align 4 |
453 | align 4 |
454 | destroy_process: ;fastcall ecx= ptr to process |
454 | destroy_process: ;fastcall ecx= ptr to process |
455 | 455 | ||
456 | lea eax, [ecx+PROC.thr_list] |
456 | lea eax, [ecx+PROC.thr_list] |
457 | cmp eax, [eax+LHEAD.next] |
457 | cmp eax, [eax+LHEAD.next] |
458 | jne .exit |
458 | jne .exit |
459 | 459 | ||
460 | align 4 |
460 | align 4 |
461 | .internal: |
461 | .internal: |
462 | push ecx |
462 | push ecx |
463 | 463 | ||
464 | mov esi, ecx |
464 | mov esi, ecx |
465 | list_del esi |
465 | list_del esi |
466 | 466 | ||
467 | mov esi, [esi + PROC.dlls_list_ptr] |
467 | mov esi, [esi + PROC.dlls_list_ptr] |
468 | call destroy_all_hdlls |
468 | call destroy_all_hdlls |
469 | 469 | ||
470 | mov esi, [esp] |
470 | mov esi, [esp] |
471 | add esi, PROC.pdt_0 |
471 | add esi, PROC.pdt_0 |
472 | mov edi, (0x80000000 shr 20)/4 |
472 | mov edi, (0x80000000 shr 20)/4 |
473 | .destroy: |
473 | .destroy: |
474 | mov eax, [esi] |
474 | mov eax, [esi] |
475 | test eax, 1 |
475 | test eax, 1 |
476 | jz .next |
476 | jz .next |
477 | and eax, -PAGE_SIZE |
477 | and eax, -PAGE_SIZE |
478 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
478 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
479 | stdcall destroy_page_table, [tmp_task_ptab] |
479 | stdcall destroy_page_table, [tmp_task_ptab] |
480 | mov eax, [esi] |
480 | mov eax, [esi] |
481 | call free_page |
481 | call free_page |
482 | .next: |
482 | .next: |
483 | add esi, 4 |
483 | add esi, 4 |
484 | dec edi |
484 | dec edi |
485 | jnz .destroy |
485 | jnz .destroy |
486 | 486 | ||
487 | call kernel_free ;ecx still in stack |
487 | call kernel_free ;ecx still in stack |
488 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
488 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
489 | .exit: |
489 | .exit: |
490 | ret |
490 | ret |
491 | 491 | ||
492 | align 4 |
492 | align 4 |
493 | get_pid: |
493 | get_pid: |
494 | mov eax, [current_slot] |
494 | mov eax, [current_slot] |
495 | mov eax, [eax + APPDATA.tid] |
495 | mov eax, [eax + APPDATA.tid] |
496 | ret |
496 | ret |
497 | 497 | ||
498 | pid_to_slot: |
498 | pid_to_slot: |
499 | ;Input: |
499 | ;Input: |
500 | ; eax - pid of process |
500 | ; eax - pid of process |
501 | ;Output: |
501 | ;Output: |
502 | ; eax - slot of process or 0 if process don't exists |
502 | ; eax - slot of process or 0 if process don't exists |
503 | ;Search process by PID. |
503 | ;Search process by PID. |
504 | push ebx |
504 | push ebx |
505 | push ecx |
505 | push ecx |
506 | mov ebx, [thread_count] |
506 | mov ebx, [thread_count] |
507 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
507 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
508 | ; skip first process in the task table |
508 | ; skip first process in the task table |
509 | mov ecx, sizeof.APPDATA |
509 | mov ecx, sizeof.APPDATA |
510 | 510 | ||
511 | .loop: |
511 | .loop: |
512 | ;ecx = offset of current process info entry |
512 | ;ecx = offset of current process info entry |
513 | ;ebx = maximum permitted offset |
513 | ;ebx = maximum permitted offset |
514 | cmp [SLOT_BASE + ecx + APPDATA.state], TSTATE_FREE |
514 | cmp [SLOT_BASE + ecx + APPDATA.state], TSTATE_FREE |
515 | jz .endloop ;skip empty slots |
515 | jz .endloop ;skip empty slots |
516 | cmp [SLOT_BASE + ecx + APPDATA.tid], eax |
516 | cmp [SLOT_BASE + ecx + APPDATA.tid], eax |
517 | jz .pid_found |
517 | jz .pid_found |
518 | .endloop: |
518 | .endloop: |
519 | add ecx, sizeof.APPDATA |
519 | add ecx, sizeof.APPDATA |
520 | cmp ecx, ebx |
520 | cmp ecx, ebx |
521 | jle .loop |
521 | jle .loop |
522 | 522 | ||
523 | pop ecx |
523 | pop ecx |
524 | pop ebx |
524 | pop ebx |
525 | xor eax, eax |
525 | xor eax, eax |
526 | ret |
526 | ret |
527 | 527 | ||
528 | .pid_found: |
528 | .pid_found: |
529 | shr ecx, BSF sizeof.APPDATA ; divide by size |
529 | shr ecx, BSF sizeof.APPDATA ; divide by size |
530 | mov eax, ecx ;convert offset to index of slot |
530 | mov eax, ecx ;convert offset to index of slot |
531 | pop ecx |
531 | pop ecx |
532 | pop ebx |
532 | pop ebx |
533 | ret |
533 | ret |
534 | 534 | ||
535 | 535 | ||
536 | align 4 |
536 | align 4 |
537 | proc read_process_memory |
537 | proc read_process_memory |
538 | ;Input: |
538 | ;Input: |
539 | ; eax - process slot |
539 | ; eax - process slot |
540 | ; ecx - buffer address |
540 | ; ecx - buffer address |
541 | ; edx - buffer size |
541 | ; edx - buffer size |
542 | ; esi - start address in other process |
542 | ; esi - start address in other process |
543 | ;Output: |
543 | ;Output: |
544 | ; eax - number of bytes read. |
544 | ; eax - number of bytes read. |
545 | locals |
545 | locals |
546 | slot dd ? |
546 | slot dd ? |
547 | buff dd ? |
547 | buff dd ? |
548 | r_count dd ? |
548 | r_count dd ? |
549 | offset dd ? |
549 | offset dd ? |
550 | tmp_r_cnt dd ? |
550 | tmp_r_cnt dd ? |
551 | endl |
551 | endl |
552 | 552 | ||
553 | mov [slot], eax |
553 | mov [slot], eax |
554 | mov [buff], ecx |
554 | mov [buff], ecx |
555 | and [r_count], 0 |
555 | and [r_count], 0 |
556 | mov [tmp_r_cnt], edx |
556 | mov [tmp_r_cnt], edx |
557 | mov [offset], esi |
557 | mov [offset], esi |
558 | 558 | ||
559 | pushad |
559 | pushad |
560 | .read_mem: |
560 | .read_mem: |
561 | mov edx, [offset] |
561 | mov edx, [offset] |
562 | mov ebx, [tmp_r_cnt] |
562 | mov ebx, [tmp_r_cnt] |
563 | 563 | ||
564 | mov ecx, 0x400000 |
564 | mov ecx, 0x400000 |
565 | and edx, 0x3FFFFF |
565 | and edx, 0x3FFFFF |
566 | sub ecx, edx |
566 | sub ecx, edx |
567 | cmp ecx, ebx |
567 | cmp ecx, ebx |
568 | jbe @f |
568 | jbe @f |
569 | mov ecx, ebx |
569 | mov ecx, ebx |
570 | @@: |
570 | @@: |
571 | cmp ecx, 0x8000 |
571 | cmp ecx, 0x8000 |
572 | jna @F |
572 | jna @F |
573 | mov ecx, 0x8000 |
573 | mov ecx, 0x8000 |
574 | @@: |
574 | @@: |
575 | mov ebx, [offset] |
575 | mov ebx, [offset] |
576 | 576 | ||
577 | push ecx |
577 | push ecx |
578 | stdcall map_memEx, [proc_mem_map], \ |
578 | stdcall map_memEx, [proc_mem_map], \ |
579 | [slot], ebx, ecx, PG_READ |
579 | [slot], ebx, ecx, PG_READ |
580 | pop ecx |
580 | pop ecx |
581 | 581 | ||
582 | mov esi, [offset] |
582 | mov esi, [offset] |
583 | and esi, 0xfff |
583 | and esi, 0xfff |
584 | sub eax, esi |
584 | sub eax, esi |
585 | jbe .ret |
585 | jbe .ret |
586 | cmp ecx, eax |
586 | cmp ecx, eax |
587 | jbe @f |
587 | jbe @f |
588 | mov ecx, eax |
588 | mov ecx, eax |
589 | mov [tmp_r_cnt], eax |
589 | mov [tmp_r_cnt], eax |
590 | @@: |
590 | @@: |
591 | add esi, [proc_mem_map] |
591 | add esi, [proc_mem_map] |
592 | mov edi, [buff] |
592 | mov edi, [buff] |
593 | mov edx, ecx |
593 | mov edx, ecx |
594 | rep movsb |
594 | rep movsb |
595 | add [r_count], edx |
595 | add [r_count], edx |
596 | 596 | ||
597 | add [offset], edx |
597 | add [offset], edx |
598 | sub [tmp_r_cnt], edx |
598 | sub [tmp_r_cnt], edx |
599 | jnz .read_mem |
599 | jnz .read_mem |
600 | .ret: |
600 | .ret: |
601 | popad |
601 | popad |
602 | mov eax, [r_count] |
602 | mov eax, [r_count] |
603 | ret |
603 | ret |
604 | endp |
604 | endp |
605 | 605 | ||
606 | align 4 |
606 | align 4 |
607 | proc write_process_memory |
607 | proc write_process_memory |
608 | ;Input: |
608 | ;Input: |
609 | ; eax - process slot |
609 | ; eax - process slot |
610 | ; ecx - buffer address |
610 | ; ecx - buffer address |
611 | ; edx - buffer size |
611 | ; edx - buffer size |
612 | ; esi - start address in other process |
612 | ; esi - start address in other process |
613 | ;Output: |
613 | ;Output: |
614 | ; eax - number of bytes written |
614 | ; eax - number of bytes written |
615 | 615 | ||
616 | locals |
616 | locals |
617 | slot dd ? |
617 | slot dd ? |
618 | buff dd ? |
618 | buff dd ? |
619 | w_count dd ? |
619 | w_count dd ? |
620 | offset dd ? |
620 | offset dd ? |
621 | tmp_w_cnt dd ? |
621 | tmp_w_cnt dd ? |
622 | endl |
622 | endl |
623 | 623 | ||
624 | mov [slot], eax |
624 | mov [slot], eax |
625 | mov [buff], ecx |
625 | mov [buff], ecx |
626 | and [w_count], 0 |
626 | and [w_count], 0 |
627 | mov [tmp_w_cnt], edx |
627 | mov [tmp_w_cnt], edx |
628 | mov [offset], esi |
628 | mov [offset], esi |
629 | 629 | ||
630 | pushad |
630 | pushad |
631 | .read_mem: |
631 | .read_mem: |
632 | mov edx, [offset] |
632 | mov edx, [offset] |
633 | mov ebx, [tmp_w_cnt] |
633 | mov ebx, [tmp_w_cnt] |
634 | 634 | ||
635 | mov ecx, 0x400000 |
635 | mov ecx, 0x400000 |
636 | and edx, 0x3FFFFF |
636 | and edx, 0x3FFFFF |
637 | sub ecx, edx |
637 | sub ecx, edx |
638 | cmp ecx, ebx |
638 | cmp ecx, ebx |
639 | jbe @f |
639 | jbe @f |
640 | mov ecx, ebx |
640 | mov ecx, ebx |
641 | @@: |
641 | @@: |
642 | cmp ecx, 0x8000 |
642 | cmp ecx, 0x8000 |
643 | jna @F |
643 | jna @F |
644 | mov ecx, 0x8000 |
644 | mov ecx, 0x8000 |
645 | @@: |
645 | @@: |
646 | mov ebx, [offset] |
646 | mov ebx, [offset] |
647 | push ecx |
647 | push ecx |
648 | stdcall map_memEx, [proc_mem_map], \ |
648 | stdcall map_memEx, [proc_mem_map], \ |
649 | [slot], ebx, ecx, PG_SWR |
649 | [slot], ebx, ecx, PG_SWR |
650 | pop ecx |
650 | pop ecx |
651 | 651 | ||
652 | mov edi, [offset] |
652 | mov edi, [offset] |
653 | and edi, 0xfff |
653 | and edi, 0xfff |
654 | sub eax, edi |
654 | sub eax, edi |
655 | jbe .ret |
655 | jbe .ret |
656 | cmp ecx, eax |
656 | cmp ecx, eax |
657 | jbe @f |
657 | jbe @f |
658 | mov ecx, eax |
658 | mov ecx, eax |
659 | mov [tmp_w_cnt], eax |
659 | mov [tmp_w_cnt], eax |
660 | @@: |
660 | @@: |
661 | add edi, [proc_mem_map] |
661 | add edi, [proc_mem_map] |
662 | mov esi, [buff] |
662 | mov esi, [buff] |
663 | mov edx, ecx |
663 | mov edx, ecx |
664 | rep movsb |
664 | rep movsb |
665 | 665 | ||
666 | add [w_count], edx |
666 | add [w_count], edx |
667 | add [offset], edx |
667 | add [offset], edx |
668 | sub [tmp_w_cnt], edx |
668 | sub [tmp_w_cnt], edx |
669 | jnz .read_mem |
669 | jnz .read_mem |
670 | .ret: |
670 | .ret: |
671 | popad |
671 | popad |
672 | mov eax, [w_count] |
672 | mov eax, [w_count] |
673 | ret |
673 | ret |
674 | endp |
674 | endp |
675 | 675 | ||
676 | ;ebx = 1 - kernel thread |
676 | ;ebx = 1 - kernel thread |
677 | ;ecx=thread entry point |
677 | ;ecx=thread entry point |
678 | ;edx=thread stack pointer |
678 | ;edx=thread stack pointer |
679 | ;creation flags 0x01 - debugged |
679 | ;creation flags 0x01 - debugged |
680 | ; 0x02 - kernel |
680 | ; 0x02 - kernel |
681 | 681 | ||
682 | align 4 |
682 | align 4 |
683 | proc new_sys_threads |
683 | proc new_sys_threads |
684 | locals |
684 | locals |
685 | slot dd ? |
685 | slot dd ? |
686 | flags dd ? |
686 | flags dd ? |
687 | app_cmdline dd ? ;0x00 |
687 | app_cmdline dd ? ;0x00 |
688 | app_path dd ? ;0x04 |
688 | app_path dd ? ;0x04 |
689 | app_eip dd ? ;0x08 |
689 | app_eip dd ? ;0x08 |
690 | app_esp dd ? ;0x0C |
690 | app_esp dd ? ;0x0C |
691 | app_mem dd ? ;0x10 |
691 | app_mem dd ? ;0x10 |
692 | endl |
692 | endl |
693 | 693 | ||
694 | shl ebx, 1 |
694 | shl ebx, 1 |
695 | mov [flags], ebx |
695 | mov [flags], ebx |
696 | 696 | ||
697 | xor eax, eax |
697 | xor eax, eax |
698 | mov [app_eip], ecx |
698 | mov [app_eip], ecx |
699 | mov [app_cmdline], eax |
699 | mov [app_cmdline], eax |
700 | mov [app_esp], edx |
700 | mov [app_esp], edx |
701 | mov [app_path], eax |
701 | mov [app_path], eax |
702 | 702 | ||
703 | call lock_application_table |
703 | call lock_application_table |
704 | 704 | ||
705 | call alloc_thread_slot |
705 | call alloc_thread_slot |
706 | test eax, eax |
706 | test eax, eax |
707 | jz .failed |
707 | jz .failed |
708 | 708 | ||
709 | mov [slot], eax |
709 | mov [slot], eax |
710 | 710 | ||
711 | mov esi, [current_slot] |
711 | mov esi, [current_slot] |
712 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
712 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
713 | 713 | ||
714 | mov edi, eax |
714 | mov edi, eax |
715 | shl edi, BSF sizeof.APPDATA |
715 | shl edi, BSF sizeof.APPDATA |
716 | add edi, SLOT_BASE |
716 | add edi, SLOT_BASE |
717 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
717 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
718 | mov ecx, sizeof.APPDATA/4 |
718 | mov ecx, sizeof.APPDATA/4 |
719 | xor eax, eax |
719 | xor eax, eax |
720 | cld |
720 | cld |
721 | rep stosd ;clean extended information about new thread |
721 | rep stosd ;clean extended information about new thread |
722 | mov esi, ebx |
722 | mov esi, ebx |
723 | mov edi, edx |
723 | mov edi, edx |
724 | mov ecx, 11 |
724 | mov ecx, 11 |
725 | rep movsb ;copy process name |
725 | rep movsb ;copy process name |
726 | 726 | ||
727 | 727 | ||
728 | mov eax, [ebx + APPDATA.tls_base] |
728 | mov eax, [ebx + APPDATA.tls_base] |
729 | test eax, eax |
729 | test eax, eax |
730 | jz @F |
730 | jz @F |
731 | 731 | ||
732 | push edx |
732 | push edx |
733 | stdcall user_alloc, PAGE_SIZE |
733 | stdcall user_alloc, PAGE_SIZE |
734 | pop edx |
734 | pop edx |
735 | test eax, eax |
735 | test eax, eax |
736 | jz .failed1;eax=0 |
736 | jz .failed1;eax=0 |
737 | @@: |
737 | @@: |
738 | mov [edx + APPDATA.tls_base], eax |
738 | mov [edx + APPDATA.tls_base], eax |
739 | 739 | ||
740 | mov eax, [ebx + APPDATA.process] |
740 | mov eax, [ebx + APPDATA.process] |
741 | mov [edx + APPDATA.process], eax |
741 | mov [edx + APPDATA.process], eax |
742 | 742 | ||
743 | lea ebx, [edx + APPDATA.list] |
743 | lea ebx, [edx + APPDATA.list] |
744 | lea ecx, [eax + PROC.thr_list] |
744 | lea ecx, [eax + PROC.thr_list] |
745 | list_add_tail ebx, ecx ;add thread to process child's list |
745 | list_add_tail ebx, ecx ;add thread to process child's list |
746 | 746 | ||
747 | lea eax, [app_cmdline] |
747 | lea eax, [app_cmdline] |
748 | stdcall set_app_params , [slot], eax, [flags] |
748 | stdcall set_app_params , [slot], eax, [flags] |
749 | 749 | ||
750 | mov eax, [process_number] ;set result |
750 | mov eax, [process_number] ;set result |
751 | call unlock_application_table |
751 | call unlock_application_table |
752 | ret |
752 | ret |
753 | .failed: |
753 | .failed: |
754 | xor eax, eax |
754 | xor eax, eax |
755 | .failed1: |
755 | .failed1: |
756 | call unlock_application_table |
756 | call unlock_application_table |
757 | dec eax ;-1 |
757 | dec eax ;-1 |
758 | ret |
758 | ret |
759 | endp |
759 | endp |
760 | 760 | ||
761 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
761 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
762 | 762 | ||
763 | mov edx, [img_size] |
763 | mov edx, [img_size] |
764 | mov esi, [file_base] |
764 | mov esi, [file_base] |
765 | mov ecx, [file_size] |
765 | mov ecx, [file_size] |
766 | add edx, PAGE_SIZE-1 |
766 | add edx, PAGE_SIZE-1 |
767 | add ecx, PAGE_SIZE-1 |
767 | add ecx, PAGE_SIZE-1 |
768 | shr edx, 12 ; total pages |
768 | shr edx, 12 ; total pages |
769 | shr ecx, 12 ; image pages |
769 | shr ecx, 12 ; image pages |
770 | 770 | ||
771 | mov edi, page_tabs |
771 | mov edi, page_tabs |
772 | shr esi, 10 |
772 | shr esi, 10 |
773 | add esi, edi |
773 | add esi, edi |
774 | 774 | ||
775 | .map_image: |
775 | .map_image: |
776 | lodsd |
776 | lodsd |
777 | and eax, -PAGE_SIZE |
777 | and eax, -PAGE_SIZE |
778 | or eax, PG_UWR |
778 | or eax, PG_UWR |
779 | stosd |
779 | stosd |
780 | dec edx |
780 | dec edx |
781 | loop .map_image |
781 | loop .map_image |
782 | 782 | ||
783 | test edx, edx |
783 | test edx, edx |
784 | jz .done |
784 | jz .done |
785 | .map_bss: |
785 | .map_bss: |
786 | call alloc_page |
786 | call alloc_page |
787 | test eax, eax |
787 | test eax, eax |
788 | jz .fail |
788 | jz .fail |
789 | 789 | ||
790 | or eax, PG_UWR |
790 | or eax, PG_UWR |
791 | stosd |
791 | stosd |
792 | dec edx |
792 | dec edx |
793 | jnz .map_bss |
793 | jnz .map_bss |
794 | 794 | ||
795 | mov edi, [file_size] |
795 | mov edi, [file_size] |
796 | mov ecx, [img_size] |
796 | mov ecx, [img_size] |
797 | add edi, PAGE_SIZE-1 |
797 | add edi, PAGE_SIZE-1 |
798 | and edi, -PAGE_SIZE |
798 | and edi, -PAGE_SIZE |
799 | add ecx, PAGE_SIZE-1 |
799 | add ecx, PAGE_SIZE-1 |
800 | and ecx, -PAGE_SIZE |
800 | and ecx, -PAGE_SIZE |
801 | sub ecx, edi |
801 | sub ecx, edi |
802 | shr ecx, 2 |
802 | shr ecx, 2 |
803 | xor eax, eax |
803 | xor eax, eax |
804 | rep stosd |
804 | rep stosd |
805 | .done: |
805 | .done: |
806 | .fail: |
806 | .fail: |
807 | ret |
807 | ret |
808 | endp |
808 | endp |
809 | 809 | ||
810 | align 4 |
810 | align 4 |
811 | common_app_entry: |
811 | common_app_entry: |
812 | mov ebp, [current_slot] |
812 | mov ebp, [current_slot] |
813 | mov ebp, [ebp + APPDATA.exec_params] |
813 | mov ebp, [ebp + APPDATA.exec_params] |
814 | test ebp, ebp |
814 | test ebp, ebp |
815 | jz .exit |
815 | jz .exit |
816 | ; APPDATA.exec_params have first thread only, |
816 | ; APPDATA.exec_params have first thread only, |
817 | ; so second and next threads don't get here (they jump to .exit) |
817 | ; so second and next threads don't get here (they jump to .exit) |
818 | stdcall map_process_image, [ebp + APP_HDR._emem],\ |
818 | stdcall map_process_image, [ebp + APP_HDR._emem],\ |
819 | [ebp + APP_HDR.img_base], [ebp + APP_HDR.img_size] |
819 | [ebp + APP_HDR.img_base], [ebp + APP_HDR.img_size] |
820 | mov esi, [ebp + APP_HDR.path_string] |
820 | mov esi, [ebp + APP_HDR.path_string] |
821 | mov edi, [ebp + APP_HDR.path] |
821 | mov edi, [ebp + APP_HDR.path] |
822 | mov ecx, [ebp + APP_HDR.filename_size] |
822 | mov ecx, [ebp + APP_HDR.filename_size] |
823 | cmp ecx, 1023 |
823 | cmp ecx, 1023 |
824 | jc @f |
824 | jc @f |
825 | mov ecx, 1022 |
825 | mov ecx, 1022 |
826 | @@: |
826 | @@: |
827 | push esi |
827 | push esi |
828 | test edi, edi |
828 | test edi, edi |
829 | jz @f |
829 | jz @f |
830 | stdcall is_region_userspace, edi, [ebp + APP_HDR.filename_size] |
830 | stdcall is_region_userspace, edi, [ebp + APP_HDR.filename_size] |
831 | jnz @f |
831 | jnz @f |
832 | mov al, '/' |
832 | mov al, '/' |
833 | stosb |
833 | stosb |
834 | rep movsb |
834 | rep movsb |
835 | mov byte [edi], 0 |
835 | mov byte [edi], 0 |
836 | @@: |
836 | @@: |
837 | call kernel_free |
837 | call kernel_free |
838 | mov edi, [ebp + APP_HDR.cmdline] |
838 | mov edi, [ebp + APP_HDR.cmdline] |
839 | test edi, edi |
839 | test edi, edi |
840 | jz .check_tls_header |
840 | jz .check_tls_header |
841 | lea esi, [ebp + sizeof.APP_HDR] |
841 | lea esi, [ebp + sizeof.APP_HDR] |
842 | mov ecx, [ebp + APP_HDR.cmdline_size] |
842 | mov ecx, [ebp + APP_HDR.cmdline_size] |
843 | cmp ecx, 256 |
843 | cmp ecx, 256 |
844 | jb .copy_cmdline |
844 | jb .copy_cmdline |
845 | mov edi, [ebp + APP_HDR._emem] |
845 | mov edi, [ebp + APP_HDR._emem] |
846 | add edi, PAGE_SIZE-1 |
846 | add edi, PAGE_SIZE-1 |
847 | and edi, -PAGE_SIZE |
847 | and edi, -PAGE_SIZE |
848 | sub edi, ecx |
848 | sub edi, ecx |
849 | dec edi |
849 | dec edi |
850 | cmp word [6], '00' |
850 | cmp word [6], '00' |
851 | jne @f |
851 | jne @f |
852 | mov [APP_HEADER_00_.i_param], edi |
852 | mov [APP_HEADER_00_.i_param], edi |
853 | jmp .copy_cmdline |
853 | jmp .copy_cmdline |
854 | @@: |
854 | @@: |
855 | mov [APP_HEADER_01_.i_param], edi |
855 | mov [APP_HEADER_01_.i_param], edi |
856 | .copy_cmdline: |
856 | .copy_cmdline: |
857 | inc ecx ; keep in mind about 0 in the end |
857 | inc ecx ; keep in mind about 0 in the end |
858 | stdcall is_region_userspace, edi, ecx |
858 | stdcall is_region_userspace, edi, ecx |
859 | jnz .check_tls_header |
859 | jnz .check_tls_header |
860 | dec ecx |
860 | dec ecx |
861 | rep movsb |
861 | rep movsb |
862 | mov byte [edi], 0 |
862 | mov byte [edi], 0 |
863 | .check_tls_header: |
863 | .check_tls_header: |
864 | cmp word [6], '02' |
864 | cmp word [6], '02' |
865 | jne .try_load_dll ;.cleanup |
865 | jne .try_load_dll ;.cleanup |
866 | call init_heap |
866 | call init_heap |
867 | stdcall user_alloc, PAGE_SIZE |
867 | stdcall user_alloc, PAGE_SIZE |
868 | mov edx, [current_slot] |
868 | mov edx, [current_slot] |
869 | mov [edx + APPDATA.tls_base], eax |
869 | mov [edx + APPDATA.tls_base], eax |
870 | mov [tls_data_l+2], ax |
870 | mov [tls_data_l+2], ax |
871 | shr eax, 16 |
871 | shr eax, 16 |
872 | mov [tls_data_l+4], al |
872 | mov [tls_data_l+4], al |
873 | mov [tls_data_l+7], ah |
873 | mov [tls_data_l+7], ah |
874 | mov dx, app_tls |
874 | mov dx, app_tls |
875 | mov fs, dx |
875 | mov fs, dx |
876 | ; { Patch by Coldy, For DLL autoload |
876 | ; { Patch by Coldy, For DLL autoload |
877 | .try_load_dll: |
877 | .try_load_dll: |
878 | ; Test app header version |
878 | ; Test app header version |
879 | mov ecx, dword[ebp + APP_HDR.img_base] |
879 | mov ecx, dword[ebp + APP_HDR.img_base] |
880 | cmp dword[ecx+8], 2 |
880 | cmp dword[ecx+8], 2 |
881 | jne .cleanup |
881 | jne .cleanup |
882 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
882 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
883 | DEBUGF 1, 'K : App header version 2\n' |
883 | DEBUGF 1, 'K : App header version 2\n' |
884 | stdcall load_library, dll_lib_path, 0 |
884 | stdcall load_library, dll_lib_path, 0 |
885 | cmp eax, 0 |
885 | cmp eax, 0 |
886 | jne @f |
886 | jne @f |
887 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
887 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
888 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
888 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
889 | stdcall kernel_free, ebp |
889 | stdcall kernel_free, ebp |
890 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
890 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
891 | mov ebx, dll_error_msg |
891 | mov ebx, dll_error_msg |
892 | mov ebp, notifyapp |
892 | mov ebp, notifyapp |
893 | call fs_execute_from_sysdir_param |
893 | call fs_execute_from_sysdir_param |
894 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
894 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
895 | call sys_end |
895 | call sys_end |
896 | 896 | ||
897 | @@: |
897 | @@: |
898 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
898 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
899 | sub eax, 4 |
899 | sub eax, 4 |
900 | mov eax, [eax] |
900 | mov eax, [eax] |
901 | 901 | ||
902 | ;.change_eip: |
902 | ;.change_eip: |
903 | mov ecx, [current_slot] |
903 | mov ecx, [current_slot] |
904 | mov ecx, [ecx + APPDATA.pl0_stack] |
904 | mov ecx, [ecx + APPDATA.pl0_stack] |
905 | mov [ecx+REG_EIP], eax |
905 | mov [ecx+REG_EIP], eax |
906 | 906 | ||
907 | ; } End patch by Coldy, For DLL autoload |
907 | ; } End patch by Coldy, For DLL autoload |
908 | .cleanup: |
908 | .cleanup: |
909 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
909 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
910 | stdcall kernel_free, ebp |
910 | stdcall kernel_free, ebp |
911 | mov ebx, [current_slot] |
911 | mov ebx, [current_slot] |
912 | cmp [ebx + APPDATA.debugger_slot], 0 |
912 | cmp [ebx + APPDATA.debugger_slot], 0 |
913 | je .exit |
913 | je .exit |
914 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
914 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
915 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
915 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
916 | call change_task |
916 | call change_task |
917 | .exit: |
917 | .exit: |
918 | popad |
918 | popad |
919 | iretd |
919 | iretd |
920 | 920 | ||
921 | EFL_IF = 0x0200 |
921 | EFL_IF = 0x0200 |
922 | EFL_IOPL1 = 0x1000 |
922 | EFL_IOPL1 = 0x1000 |
923 | EFL_IOPL2 = 0x2000 |
923 | EFL_IOPL2 = 0x2000 |
924 | EFL_IOPL3 = 0x3000 |
924 | EFL_IOPL3 = 0x3000 |
925 | 925 | ||
926 | align 4 |
926 | align 4 |
927 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
927 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
928 | 928 | ||
929 | locals |
929 | locals |
930 | pl0_stack dd ? |
930 | pl0_stack dd ? |
931 | endl |
931 | endl |
932 | 932 | ||
933 | mov eax, [xsave_area_size] |
933 | mov eax, [xsave_area_size] |
934 | add eax, RING0_STACK_SIZE |
934 | add eax, RING0_STACK_SIZE |
935 | stdcall kernel_alloc, eax |
935 | stdcall kernel_alloc, eax |
936 | mov [pl0_stack], eax |
936 | mov [pl0_stack], eax |
937 | 937 | ||
938 | lea edi, [eax+RING0_STACK_SIZE] |
938 | lea edi, [eax+RING0_STACK_SIZE] |
939 | 939 | ||
940 | mov eax, [slot] |
940 | mov eax, [slot] |
941 | mov ebx, eax |
941 | mov ebx, eax |
942 | 942 | ||
943 | shl eax, BSF sizeof.APPDATA |
943 | shl eax, BSF sizeof.APPDATA |
944 | mov [SLOT_BASE + eax + APPDATA.fpu_state], edi |
944 | mov [SLOT_BASE + eax + APPDATA.fpu_state], edi |
945 | mov [SLOT_BASE + eax + APPDATA.exc_handler], 0 |
945 | mov [SLOT_BASE + eax + APPDATA.exc_handler], 0 |
946 | mov [SLOT_BASE + eax + APPDATA.except_mask], 0 |
946 | mov [SLOT_BASE + eax + APPDATA.except_mask], 0 |
947 | mov [SLOT_BASE + eax + APPDATA.terminate_protection], 80000001h |
947 | mov [SLOT_BASE + eax + APPDATA.terminate_protection], 80000001h |
948 | 948 | ||
949 | ;set default io permission map |
949 | ;set default io permission map |
950 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map] |
950 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map] |
951 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
951 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
952 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map + 4] |
952 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map + 4] |
953 | mov [SLOT_BASE + eax + APPDATA.io_map + 4], ecx |
953 | mov [SLOT_BASE + eax + APPDATA.io_map + 4], ecx |
954 | 954 | ||
955 | mov esi, fpu_data |
955 | mov esi, fpu_data |
956 | mov ecx, [xsave_area_size] |
956 | mov ecx, [xsave_area_size] |
957 | add ecx, 3 |
957 | add ecx, 3 |
958 | shr ecx, 2 |
958 | shr ecx, 2 |
959 | rep movsd |
959 | rep movsd |
960 | 960 | ||
961 | cmp [thread_count], ebx |
961 | cmp [thread_count], ebx |
962 | adc [thread_count], 0 ; update number of processes |
962 | adc [thread_count], 0 ; update number of processes |
963 | shl ebx, BSF sizeof.APPDATA |
963 | shl ebx, BSF sizeof.APPDATA |
964 | lea edx, [SLOT_BASE + ebx + APP_EV_OFFSET] |
964 | lea edx, [SLOT_BASE + ebx + APP_EV_OFFSET] |
965 | mov [SLOT_BASE + ebx + APPDATA.fd_ev], edx |
965 | mov [SLOT_BASE + ebx + APPDATA.fd_ev], edx |
966 | mov [SLOT_BASE + ebx + APPDATA.bk_ev], edx |
966 | mov [SLOT_BASE + ebx + APPDATA.bk_ev], edx |
967 | 967 | ||
968 | add edx, APP_OBJ_OFFSET - APP_EV_OFFSET |
968 | add edx, APP_OBJ_OFFSET - APP_EV_OFFSET |
969 | mov [SLOT_BASE + ebx + APPDATA.fd_obj], edx |
969 | mov [SLOT_BASE + ebx + APPDATA.fd_obj], edx |
970 | mov [SLOT_BASE + ebx + APPDATA.bk_obj], edx |
970 | mov [SLOT_BASE + ebx + APPDATA.bk_obj], edx |
971 | 971 | ||
972 | mov eax, [pl0_stack] |
972 | mov eax, [pl0_stack] |
973 | mov [SLOT_BASE + ebx + APPDATA.pl0_stack], eax |
973 | mov [SLOT_BASE + ebx + APPDATA.pl0_stack], eax |
974 | add eax, RING0_STACK_SIZE |
974 | add eax, RING0_STACK_SIZE |
975 | mov [SLOT_BASE + ebx + APPDATA.saved_esp0], eax |
975 | mov [SLOT_BASE + ebx + APPDATA.saved_esp0], eax |
976 | 976 | ||
977 | push ebx |
977 | push ebx |
978 | stdcall kernel_alloc, maxPathLength ;TODO |
978 | stdcall kernel_alloc, maxPathLength ;TODO |
979 | pop ebx |
979 | pop ebx |
980 | mov esi, [current_slot] |
980 | mov esi, [current_slot] |
981 | mov esi, [esi + APPDATA.cur_dir] |
981 | mov esi, [esi + APPDATA.cur_dir] |
982 | mov ecx, maxPathLength/4 |
982 | mov ecx, maxPathLength/4 |
983 | mov edi, eax |
983 | mov edi, eax |
984 | mov [SLOT_BASE + ebx + APPDATA.cur_dir], eax |
984 | mov [SLOT_BASE + ebx + APPDATA.cur_dir], eax |
985 | rep movsd |
985 | rep movsd |
986 | 986 | ||
987 | mov [SLOT_BASE + ebx + APPDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
987 | mov [SLOT_BASE + ebx + APPDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
988 | inc dword [process_number] |
988 | inc dword [process_number] |
989 | mov eax, [process_number] |
989 | mov eax, [process_number] |
990 | mov [SLOT_BASE + ebx + APPDATA.tid], eax ;set TID |
990 | mov [SLOT_BASE + ebx + APPDATA.tid], eax ;set TID |
991 | 991 | ||
992 | mov eax, [slot] |
992 | mov eax, [slot] |
993 | mov [SLOT_BASE + ebx + APPDATA.wnd_number], al |
993 | mov [SLOT_BASE + ebx + APPDATA.wnd_number], al |
994 | ;mov ebx, eax |
994 | ;mov ebx, eax |
995 | shl eax, BSF sizeof.WDATA |
995 | shl eax, BSF sizeof.WDATA |
996 | add eax, window_data |
996 | add eax, window_data |
997 | mov ecx, eax |
997 | mov ecx, eax |
998 | mov [SLOT_BASE + ebx + APPDATA.window], eax |
998 | mov [SLOT_BASE + ebx + APPDATA.window], eax |
999 | mov [eax + WDATA.thread], ebx |
999 | mov [eax + WDATA.thread], ebx |
1000 | add [eax + WDATA.thread], SLOT_BASE |
1000 | add [eax + WDATA.thread], SLOT_BASE |
1001 | 1001 | ||
1002 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1002 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1003 | mov [eax + WDATA.fl_wstate], WSTATE_NORMAL + WSTATE_USED |
1003 | mov [eax + WDATA.fl_wstate], WSTATE_NORMAL + WSTATE_USED |
1004 | mov [eax + WDATA.fl_redraw], WSTATE_REDRAW |
1004 | mov [eax + WDATA.fl_redraw], WSTATE_REDRAW |
1005 | 1005 | ||
1006 | mov edx, [def_cursor] |
1006 | mov edx, [def_cursor] |
1007 | mov [eax + WDATA.cursor], edx |
1007 | mov [eax + WDATA.cursor], edx |
1008 | 1008 | ||
1009 | ;set draw data to full screen |
1009 | ;set draw data to full screen |
1010 | xor eax, eax |
1010 | xor eax, eax |
1011 | mov [ecx + WDATA.draw_data.left], eax |
1011 | mov [ecx + WDATA.draw_data.left], eax |
1012 | mov [ecx + WDATA.draw_data.top], eax |
1012 | mov [ecx + WDATA.draw_data.top], eax |
1013 | mov eax, [screen_workarea.right] |
1013 | mov eax, [screen_workarea.right] |
1014 | mov [ecx + WDATA.draw_data.right], eax |
1014 | mov [ecx + WDATA.draw_data.right], eax |
1015 | mov eax, [screen_workarea.bottom] |
1015 | mov eax, [screen_workarea.bottom] |
1016 | mov [ecx + WDATA.draw_data.bottom], eax |
1016 | mov [ecx + WDATA.draw_data.bottom], eax |
1017 | 1017 | ||
1018 | mov ebx, [pl0_stack] |
1018 | mov ebx, [pl0_stack] |
1019 | mov esi, [params] |
1019 | mov esi, [params] |
1020 | lea ecx, [ebx + REG_EIP] |
1020 | lea ecx, [ebx + REG_EIP] |
1021 | xor eax, eax |
1021 | xor eax, eax |
1022 | 1022 | ||
1023 | mov [ebx + REG_RET], dword common_app_entry |
1023 | mov [ebx + REG_RET], dword common_app_entry |
1024 | mov [ebx + REG_EDI], eax |
1024 | mov [ebx + REG_EDI], eax |
1025 | mov [ebx + REG_ESI], eax |
1025 | mov [ebx + REG_ESI], eax |
1026 | mov [ebx + REG_EBP], eax |
1026 | mov [ebx + REG_EBP], eax |
1027 | mov [ebx + REG_ESP], ecx;ebx+REG_EIP |
1027 | mov [ebx + REG_ESP], ecx;ebx+REG_EIP |
1028 | mov [ebx + REG_EBX], eax |
1028 | mov [ebx + REG_EBX], eax |
1029 | mov [ebx + REG_EDX], eax |
1029 | mov [ebx + REG_EDX], eax |
1030 | mov [ebx + REG_ECX], eax |
1030 | mov [ebx + REG_ECX], eax |
1031 | mov [ebx + REG_EAX], eax |
1031 | mov [ebx + REG_EAX], eax |
1032 | 1032 | ||
1033 | mov eax, [esi + APP_HDR.eip] |
1033 | mov eax, [esi + APP_HDR.eip] |
1034 | mov [ebx + REG_EIP], eax |
1034 | mov [ebx + REG_EIP], eax |
1035 | mov [ebx + REG_CS], dword app_code |
1035 | mov [ebx + REG_CS], dword app_code |
1036 | mov ecx, USER_PRIORITY |
1036 | mov ecx, USER_PRIORITY |
1037 | 1037 | ||
1038 | test byte [flags], 2 |
1038 | test byte [flags], 2 |
1039 | jz @F |
1039 | jz @F |
1040 | 1040 | ||
1041 | mov [ebx + REG_CS], dword os_code ; kernel thread |
1041 | mov [ebx + REG_CS], dword os_code ; kernel thread |
1042 | mov ecx, MAX_PRIORITY |
1042 | mov ecx, MAX_PRIORITY |
1043 | @@: |
1043 | @@: |
1044 | mov [ebx + REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1044 | mov [ebx + REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1045 | 1045 | ||
1046 | mov eax, [esi + APP_HDR.esp] |
1046 | mov eax, [esi + APP_HDR.esp] |
1047 | mov [ebx + REG_APP_ESP], eax |
1047 | mov [ebx + REG_APP_ESP], eax |
1048 | mov [ebx + REG_SS], dword app_data |
1048 | mov [ebx + REG_SS], dword app_data |
1049 | 1049 | ||
1050 | lea edx, [ebx + REG_RET] |
1050 | lea edx, [ebx + REG_RET] |
1051 | mov ebx, [slot] |
1051 | mov ebx, [slot] |
1052 | shl ebx, BSF sizeof.APPDATA |
1052 | shl ebx, BSF sizeof.APPDATA |
1053 | mov [SLOT_BASE + ebx + APPDATA.saved_esp], edx |
1053 | mov [SLOT_BASE + ebx + APPDATA.saved_esp], edx |
1054 | 1054 | ||
1055 | xor edx, edx; process state - running |
1055 | xor edx, edx; process state - running |
1056 | ; set if debuggee |
1056 | ; set if debuggee |
1057 | test byte [flags], 1 |
1057 | test byte [flags], 1 |
1058 | jz .no_debug |
1058 | jz .no_debug |
1059 | mov eax, [current_slot_idx] |
1059 | mov eax, [current_slot_idx] |
1060 | mov [SLOT_BASE + ebx + APPDATA.debugger_slot], eax |
1060 | mov [SLOT_BASE + ebx + APPDATA.debugger_slot], eax |
1061 | .no_debug: |
1061 | .no_debug: |
1062 | mov [SLOT_BASE + ebx + APPDATA.state], dl |
1062 | mov [SLOT_BASE + ebx + APPDATA.state], dl |
1063 | lea edx, [SLOT_BASE + ebx] |
1063 | lea edx, [SLOT_BASE + ebx] |
1064 | call scheduler_add_thread |
1064 | call scheduler_add_thread |
1065 | ret |
1065 | ret |
1066 | endp |
1066 | endp |
1067 | 1067 | ||
1068 | align 4 |
1068 | align 4 |
1069 | get_stack_base: |
1069 | get_stack_base: |
1070 | mov eax, [current_slot] |
1070 | mov eax, [current_slot] |
1071 | mov eax, [eax + APPDATA.pl0_stack] |
1071 | mov eax, [eax + APPDATA.pl0_stack] |
1072 | ret |
1072 | ret |
1073 | 1073 | ||
1074 | align 4 |
1074 | align 4 |
1075 | get_curr_slot: |
1075 | get_curr_slot: |
1076 | mov eax, [current_slot] |
1076 | mov eax, [current_slot] |
1077 | ret |
1077 | ret |
1078 | 1078 | ||
1079 | pid_to_appdata: |
1079 | pid_to_appdata: |
1080 | ;Input: |
1080 | ;Input: |
1081 | ; eax - pid of process |
1081 | ; eax - pid of process |
1082 | ;Output: |
1082 | ;Output: |
1083 | ; eax - 0 - not found or pointer on APPDATA |
1083 | ; eax - 0 - not found or pointer on APPDATA |
1084 | push ebx |
1084 | push ebx |
1085 | push ecx |
1085 | push ecx |
1086 | mov ebx, [thread_count] |
1086 | mov ebx, [thread_count] |
1087 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
1087 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
1088 | ; skip first process in the task table |
1088 | ; skip first process in the task table |
- | 1089 | mov ecx, SLOT_BASE |
|
- | 1090 | add ebx, ecx |
|
1089 | .loop: |
1091 | .loop: |
1090 | add ecx, sizeof.APPDATA |
1092 | add ecx, sizeof.APPDATA |
1091 | cmp [SLOT_BASE + ecx + APPDATA.state], TSTATE_FREE |
1093 | cmp [ecx + APPDATA.state], TSTATE_FREE |
1092 | jz @f ;skip empty slots |
1094 | jz @f ;skip empty slots |
1093 | cmp [SLOT_BASE + ecx + APPDATA.tid], eax |
1095 | cmp [ecx + APPDATA.tid], eax |
1094 | jz .pid_found |
1096 | jz .pid_found |
1095 | ;ecx = offset of current process info entry |
- | |
1096 | ;ebx = maximum permitted offset |
- | |
1097 | @@: |
1097 | @@: |
1098 | cmp ecx, ebx |
1098 | cmp ecx, ebx |
1099 | jb .loop |
1099 | jb .loop |
1100 | 1100 | ||
1101 | pop ecx |
1101 | pop ecx |
1102 | pop ebx |
1102 | pop ebx |
1103 | xor eax, eax |
1103 | xor eax, eax |
1104 | ret |
1104 | ret |
1105 | .pid_found: |
1105 | .pid_found: |
1106 | mov eax, ecx |
1106 | mov eax, ecx |
1107 | pop ecx |
1107 | pop ecx |
1108 | pop ebx |
1108 | pop ebx |
1109 | ret |
1109 | ret |
1110 | 1110 | ||
1111 | include "debug.inc"> |
1111 | include "debug.inc"> |