This source file includes following definitions.
- CreateTask_spytask
- boot
- CreateTask_my
- sub_FF8203C4_my
- sub_FF8228DC_my
- sub_FF8248DC_my
- sub_FF827C18_my
- task_Startup_my
- taskcreatePhySw_my
- init_file_modules_task
- init_required_fw_features
1
2
3
4 #include "lolevel.h"
5 #include "platform.h"
6 #include "core.h"
7 #include "dryos31.h"
8
9 #define offsetof(TYPE, MEMBER) ((int) &((TYPE *)0)->MEMBER)
10
11 const char * const new_sa = &_end;
12
13
14
15
16 void CreateTask_spytask()
17 {
18 _CreateTask("SpyTask", 0x19, 0x2000, core_spytask, 0);
19 }
20
21
22
23
24
25
26
27
28
29 void __attribute__((naked,noinline)) boot() {
30 asm volatile (
31 " LDR R1, =0xC0410000 \n"
32 " MOV R0, #0 \n"
33 " STR R0, [R1] \n"
34 " MOV R1, #0x78 \n"
35 " MCR p15, 0, R1, c1, c0 \n"
36 " MOV R1, #0 \n"
37 " MCR p15, 0, R1, c7, c10, 4 \n"
38 " MCR p15, 0, R1, c7, c5 \n"
39 " MCR p15, 0, R1, c7, c6 \n"
40 " MOV R0, #0x3D \n"
41 " MCR p15, 0, R0, c6, c0 \n"
42 " MOV R0, #0xC000002F \n"
43 " MCR p15, 0, R0, c6, c1 \n"
44 " MOV R0, #0x35 \n"
45 " MCR p15, 0, R0, c6, c2 \n"
46 " MOV R0, #0x40000035 \n"
47 " MCR p15, 0, R0, c6, c3 \n"
48 " MOV R0, #0x80000017 \n"
49 " MCR p15, 0, R0, c6, c4 \n"
50 " LDR R0, =0xFF80002D \n"
51 " MCR p15, 0, R0, c6, c5 \n"
52 " MOV R0, #0x34 \n"
53 " MCR p15, 0, R0, c2, c0 \n"
54 " MOV R0, #0x34 \n"
55 " MCR p15, 0, R0, c2, c0, 1 \n"
56 " MOV R0, #0x34 \n"
57 " MCR p15, 0, R0, c3, c0 \n"
58 " LDR R0, =0x3333330 \n"
59 " MCR p15, 0, R0, c5, c0, 2 \n"
60 " LDR R0, =0x3333330 \n"
61 " MCR p15, 0, R0, c5, c0, 3 \n"
62 " MRC p15, 0, R0, c1, c0 \n"
63 " ORR R0, R0, #0x1000 \n"
64 " ORR R0, R0, #4 \n"
65 " ORR R0, R0, #1 \n"
66 " MCR p15, 0, R0, c1, c0 \n"
67 " MOV R1, #0x80000006 \n"
68 " MCR p15, 0, R1, c9, c1 \n"
69 " MOV R1, #6 \n"
70 " MCR p15, 0, R1, c9, c1, 1 \n"
71 " MRC p15, 0, R1, c1, c0 \n"
72 " ORR R1, R1, #0x50000 \n"
73 " MCR p15, 0, R1, c1, c0 \n"
74 " LDR R2, =0xC0200000 \n"
75 " MOV R1, #1 \n"
76 " STR R1, [R2, #0x10C] \n"
77 " MVN R1, #0 \n"
78 " STR R1, [R2, #0xC] \n"
79 " STR R1, [R2, #0x1C] \n"
80 " STR R1, [R2, #0x2C] \n"
81 " STR R1, [R2, #0x3C] \n"
82 " STR R1, [R2, #0x4C] \n"
83 " STR R1, [R2, #0x5C] \n"
84 " STR R1, [R2, #0x6C] \n"
85 " STR R1, [R2, #0x7C] \n"
86 " STR R1, [R2, #0x8C] \n"
87 " STR R1, [R2, #0x9C] \n"
88 " STR R1, [R2, #0xAC] \n"
89 " STR R1, [R2, #0xBC] \n"
90 " STR R1, [R2, #0xCC] \n"
91 " STR R1, [R2, #0xDC] \n"
92 " STR R1, [R2, #0xEC] \n"
93 " STR R1, [R2, #0xFC] \n"
94 " LDR R1, =0xC0400008 \n"
95 " LDR R2, =0x430005 \n"
96 " STR R2, [R1] \n"
97 " MOV R1, #1 \n"
98 " LDR R2, =0xC0243100 \n"
99 " STR R2, [R1] \n"
100 " LDR R2, =0xC0242010 \n"
101 " LDR R1, [R2] \n"
102 " ORR R1, R1, #1 \n"
103 " STR R1, [R2] \n"
104 " LDR R0, =0xFFCD7394 \n"
105 " LDR R1, =0x6B1000 \n"
106 " LDR R3, =0x6C1402 \n"
107
108 "loc_FF82013C:\n"
109 " CMP R1, R3 \n"
110 " LDRCC R2, [R0], #4 \n"
111 " STRCC R2, [R1], #4 \n"
112 " BCC loc_FF82013C \n"
113 " LDR R0, =0xFFCC9530 \n"
114 " LDR R1, =0x1900 \n"
115 " LDR R3, =0xF764 \n"
116
117 "loc_FF820158:\n"
118 " CMP R1, R3 \n"
119 " LDRCC R2, [R0], #4 \n"
120 " STRCC R2, [R1], #4 \n"
121 " BCC loc_FF820158 \n"
122 " LDR R1, =0x182980 \n"
123 " MOV R2, #0 \n"
124
125 "loc_FF820170:\n"
126 " CMP R3, R1 \n"
127 " STRCC R2, [R3], #4 \n"
128 " BCC loc_FF820170 \n"
129
130
131
132
133
134 " LDR R0, =patch_CreateTask\n"
135 " LDM R0, {R1,R2}\n"
136 " LDR R0, =hook_CreateTask\n"
137 " STM R0, {R1,R2}\n"
138
139 " B sub_FF8203C4_my \n"
140
141 "patch_CreateTask:\n"
142 " LDR PC, [PC,#-0x4]\n"
143 " .long CreateTask_my\n"
144 );
145 }
146
147
148
149 void __attribute__((naked,noinline)) CreateTask_my() {
150 asm volatile (
151 " STMFD SP!, {R0}\n"
152
153
154
155 " LDR R0, =task_CaptSeq\n"
156 " CMP R0, R3\n"
157 " LDREQ R3, =capt_seq_task\n"
158 " BEQ exitHook\n"
159
160
161 " LDR R0, =task_ExpDrv\n"
162 " CMP R0, R3\n"
163 " LDREQ R3, =exp_drv_task\n"
164 " BEQ exitHook\n"
165
166
167 " LDR R0, =task_FileWrite\n"
168 " CMP R0, R3\n"
169 " LDREQ R3, =filewritetask\n"
170 " BEQ exitHook\n"
171
172
173 " LDR R0, =task_MovieRecord\n"
174 " CMP R0, R3\n"
175 " LDREQ R3, =movie_record_task\n"
176 " BEQ exitHook\n"
177
178
179 " LDR R0, =task_LiveImageTask\n"
180 " CMP R0, R3\n"
181 " LDREQ R3, =liveimage_task\n"
182 " BEQ exitHook\n"
183
184
185 " LDR R0, =task_InitFileModules\n"
186 " CMP R0, R3\n"
187 " LDREQ R3, =init_file_modules_task\n"
188
189 "exitHook:\n"
190
191 " LDMFD SP!, {R0}\n"
192
193 " STMFD SP!, {R1-R9,LR} \n"
194 " MOV R4, R0 \n"
195 " LDR PC, =0x006B5634 \n"
196 );
197 }
198
199
200
201 void __attribute__((naked,noinline)) sub_FF8203C4_my() {
202
203
204
205
206
207 *(int*)(0x29bc + 4) = (*(int*)0xC022F48C)&0x100000 ? 0x200000 : 0x100000;
208
209 asm volatile (
210 " LDR R0, =0xFF82043C \n"
211 " MOV R1, #0 \n"
212 " LDR R3, =0xFF820474 \n"
213
214 "loc_FF8203D0:\n"
215 " CMP R0, R3 \n"
216 " LDRCC R2, [R0], #4 \n"
217 " STRCC R2, [R1], #4 \n"
218 " BCC loc_FF8203D0 \n"
219 " LDR R0, =0xFF820474 \n"
220 " MOV R1, #0x1C0 \n"
221 " LDR R3, =0xFF82065C \n"
222
223 "loc_FF8203EC:\n"
224 " CMP R0, R3 \n"
225 " LDRCC R2, [R0], #4 \n"
226 " STRCC R2, [R1], #4 \n"
227 " BCC loc_FF8203EC \n"
228 " MOV R0, #0xD2 \n"
229 " MSR CPSR_cxsf, R0 \n"
230 " MOV SP, #0x1000 \n"
231 " MOV R0, #0xD3 \n"
232 " MSR CPSR_cxsf, R0 \n"
233 " MOV SP, #0x1000 \n"
234 " LDR R0, =0x3A8 \n"
235 " LDR R2, =0xEEEEEEEE \n"
236 " MOV R3, #0x1000 \n"
237
238 "loc_FF820420:\n"
239 " CMP R0, R3 \n"
240 " STRCC R2, [R0], #4 \n"
241 " BCC loc_FF820420 \n"
242 " B sub_FF8228DC_my \n"
243 );
244 }
245
246
247
248 void __attribute__((naked,noinline)) sub_FF8228DC_my() {
249 asm volatile (
250 " LDR R0, =0x1A58 \n"
251 " STR LR, [SP, #-4]! \n"
252 " SUB SP, SP, #0x7C \n"
253 " MOV R1, #0x80000 \n"
254 " STR R1, [R0] \n"
255 " LDR R0, =0x40BCE980 \n"
256 " LDR R1, =0x1A5C \n"
257 " STR R0, [R1] \n"
258 " LDR R1, =0x1A60 \n"
259 " ADD R0, R0, #0x2000 \n"
260 " STR R0, [R1] \n"
261 " MOV R1, #0x78 \n"
262 " ADD R0, SP, #4 \n"
263 " BL sub_006BD068 \n"
264 " MOV R0, #0x84000 \n"
265 " STR R0, [SP, #8] \n"
266
267 #if defined(CHDK_NOT_IN_CANON_HEAP)
268 " LDR R0, =0x182980 \n"
269 #else
270 " LDR R0, =new_sa\n"
271 " LDR R0, [R0]\n"
272 #endif
273
274 " LDR R2, =0x5817B0 \n"
275 " STR R0, [SP, #0xC] \n"
276 " SUB R0, R2, R0 \n"
277 " STR R0, [SP, #0x10] \n"
278 " MOV R0, #0x22 \n"
279 " STR R0, [SP, #0x1C] \n"
280 " MOV R0, #0x7C \n"
281 " STR R0, [SP, #0x20] \n"
282 " LDR R1, =0x58A000 \n"
283 " LDR R0, =0x1D3 \n"
284 " STR R1, [SP, #4] \n"
285 " STR R0, [SP, #0x24] \n"
286 " MOV R0, #0x96 \n"
287 " STR R2, [SP, #0x14] \n"
288 " STR R1, [SP, #0x18] \n"
289 " STR R0, [SP, #0x28] \n"
290 " STR R0, [SP, #0x2C] \n"
291 " MOV R0, #0x64 \n"
292 " STR R0, [SP, #0x30] \n"
293 " MOV R0, #0 \n"
294 " STR R0, [SP, #0x34] \n"
295 " STR R0, [SP, #0x38] \n"
296 " STR R0, [SP, #0x3C] \n"
297 " MOV R0, #0x10 \n"
298 " STR R0, [SP, #0x60] \n"
299 " MOV R0, #0x1000 \n"
300 " STR R0, [SP, #0x64] \n"
301 " MOV R0, #0x100 \n"
302 " STR R0, [SP, #0x68] \n"
303 " MOV R0, #0x2000 \n"
304 " STR R0, [SP, #0x6C] \n"
305 " LDR R1, =sub_FF8248DC_my \n"
306 " MOV R2, #0 \n"
307 " ADD R0, SP, #4 \n"
308 " BL sub_006B1B9C \n"
309 " ADD SP, SP, #0x7C \n"
310 " LDR PC, [SP], #4 \n"
311 );
312 }
313
314
315
316 void __attribute__((naked,noinline)) sub_FF8248DC_my() {
317 asm volatile (
318 " STMFD SP!, {R4,LR} \n"
319 " LDR R4, =0xFF824998 /*'/_term'*/ \n"
320 " BL sub_FF820858 \n"
321 " LDR R1, =0x1A58 \n"
322 " LDR R0, =0x19F0 \n"
323 " LDR R1, [R1] \n"
324 " LDR R0, [R0] \n"
325 " ADD R1, R1, #0x10 \n"
326 " CMP R0, R1 \n"
327 " LDRCC R0, =0xFF8249A8 /*'USER_MEM size checking'*/ \n"
328 " BLCC _err_init_task \n"
329 " BL sub_FF8236A4 \n"
330 " CMP R0, #0 \n"
331 " LDRLT R0, =0xFF8249C0 /*'dmSetup'*/ \n"
332 " BLLT _err_init_task \n"
333 " BL sub_FF8224E8 \n"
334 " CMP R0, #0 \n"
335 " LDRLT R0, =0xFF8249C8 /*'termDriverInit'*/ \n"
336 " BLLT _err_init_task \n"
337 " MOV R0, R4 \n"
338 " BL sub_FF8225D0 \n"
339 " CMP R0, #0 \n"
340 " LDRLT R0, =0xFF8249D8 /*'termDeviceCreate'*/ \n"
341 " BLLT _err_init_task \n"
342 " MOV R0, R4 \n"
343 " BL sub_FF822100 \n"
344 " CMP R0, #0 \n"
345 " LDRLT R0, =0xFF8249EC /*'stdioSetup'*/ \n"
346 " BLLT _err_init_task \n"
347 " BL sub_FF824F44 \n"
348 " CMP R0, #0 \n"
349 " LDRLT R0, =0xFF8249F8 /*'stdlibSetup'*/ \n"
350 " BLLT _err_init_task \n"
351 " BL sub_FF8210A8 \n"
352 " CMP R0, #0 \n"
353 " LDRLT R0, =0xFF824A04 /*'extlib_setup'*/ \n"
354 " BLLT _err_init_task \n"
355 " LDMFD SP!, {R4,LR} \n"
356 " B sub_FF827C18_my \n"
357 );
358 }
359
360
361
362 void __attribute__((naked,noinline)) sub_FF827C18_my() {
363 asm volatile (
364 " STMFD SP!, {R3,LR} \n"
365
366 " BL sub_FF8366F8 \n"
367 " CMP R0, #0 \n"
368 " BNE loc_FF827C3C \n"
369 " BL sub_FF82C900 /*_IsNormalCameraMode_FW*/ \n"
370 " CMP R0, #0 \n"
371 " MOVNE R0, #1 \n"
372 " BNE loc_FF827C40 \n"
373
374 "loc_FF827C3C:\n"
375 " MOV R0, #0 \n"
376
377 "loc_FF827C40:\n"
378
379
380
381
382
383 "loc_FF827C50:\n"
384
385
386 "loc_FF827C54:\n"
387 " BL sub_006B8A8C \n"
388 " LDR R1, =0x60E000 \n"
389 " MOV R0, #0 \n"
390 " BL sub_FF836BF0 \n"
391 " BL sub_006B8DD4 /*_EnableDispatch*/ \n"
392 " MOV R3, #0 \n"
393 " STR R3, [SP] \n"
394 " LDR R3, =task_Startup_my \n"
395 " MOV R2, #0 \n"
396 " MOV R1, #0x19 \n"
397 " LDR R0, =0xFF827C94 /*'Startup'*/ \n"
398 " BL _CreateTask \n"
399 " MOV R0, #0 \n"
400 " LDMFD SP!, {R3,PC} \n"
401 );
402 }
403
404
405
406 void __attribute__((naked,noinline)) task_Startup_my() {
407 asm volatile (
408 " STMFD SP!, {R4,LR} \n"
409 " BL sub_FF822E10 \n"
410 " BL sub_FF82BED8 \n"
411 " BL sub_FF82B218 \n"
412
413 " BL sub_FF836934 \n"
414
415 " BL sub_FF836A8C \n"
416 " BL sub_FF836CC4 \n"
417
418 " BL sub_FF836970 \n"
419 " BL sub_FF8329C4 \n"
420 " BL sub_FF836CCC \n"
421 " BL CreateTask_spytask\n"
422 " BL taskcreatePhySw_my \n"
423 " BL init_required_fw_features\n"
424 " BL sub_FF830AE8 \n"
425 " BL sub_FF8ACAC8 \n"
426 " BL sub_FF829008 \n"
427 " BL sub_FF82AD74 \n"
428 " BL sub_FF836508 \n"
429 " BL sub_FF82B1CC \n"
430 " BL sub_FF82AD08 \n"
431
432 " BL sub_FF829C98 \n"
433 " BL sub_FF82ACC4 \n"
434 " LDMFD SP!, {R4,LR} \n"
435 " B sub_FF822F38 \n"
436 );
437 }
438
439
440
441 void __attribute__((naked,noinline)) taskcreatePhySw_my() {
442 asm volatile (
443 " STMFD SP!, {R3-R5,LR} \n"
444 " BL sub_FF83575C \n"
445 " BL sub_FF82C838 /*_IsFactoryMode_FW*/ \n"
446 " CMP R0, #0 \n"
447 " BLEQ sub_FF8356C4 /*_OpLog.Start_FW*/ \n"
448 " LDR R4, =0x1C94 \n"
449 " LDR R0, [R4, #4] \n"
450 " CMP R0, #0 \n"
451 " BNE loc_FF82B974 \n"
452 " MOV R3, #0 \n"
453 " STR R3, [SP] \n"
454 " LDR R3, =mykbd_task \n"
455 " MOV R2, #0x2000 \n"
456 " MOV R1, #0x17 \n"
457 " LDR R0, =0xFF82BBE0 /*'PhySw'*/ \n"
458 " BL sub_006B7B9C /*_CreateTaskStrictly*/ \n"
459 " STR R0, [R4, #4] \n"
460
461 "loc_FF82B974:\n"
462 " LDMFD SP!, {R3-R5,PC} \n"
463 );
464 }
465
466
467
468 void __attribute__((naked,noinline)) init_file_modules_task() {
469 asm volatile (
470 " STMFD SP!, {R4-R6,LR} \n"
471 " BL sub_FF89CF24 \n"
472 " LDR R5, =0x5006 \n"
473 " MOVS R4, R0 \n"
474 " MOVNE R1, #0 \n"
475 " MOVNE R0, R5 \n"
476 " BLNE _PostLogicalEventToUI \n"
477 " BL sub_FF89CF58 \n"
478 " BL core_spytask_can_start\n"
479 " CMP R4, #0 \n"
480 " LDMNEFD SP!, {R4-R6,PC} \n"
481 " MOV R0, R5 \n"
482 " LDMFD SP!, {R4-R6,LR} \n"
483 " MOV R1, #0 \n"
484 " B _PostLogicalEventToUI \n"
485 );
486 }
487
488
489
490
491
492
493 void init_required_fw_features(void) {
494 extern void _init_focus_eventflag();
495 extern void _init_nd_eventflag();
496 extern void _init_nd_semaphore();
497
498
499 _init_focus_eventflag();
500 _init_nd_eventflag();
501 _init_nd_semaphore();