1 #include "lolevel.h"
2 #include "stdlib.h"
3 #include "script.h"
4 #include "console.h"
5 // exception handler hooks
6 // Extracted method: (ff82786c-ff827894)
7 void __attribute__((naked,noinline)) sub_FF82786C_my() {
8 asm volatile (
9 "stmdb sp!, {r4, lr} \n"
10 "mov r0, #12 \n" // ; 0xc
11 "BL sub_FF8627FC \n" // create taks errlog (?)
12
13 // "ldr r0, =0xff862858 \n" // assert hook
14 "ldr r0, =assert_hook \n" //
15 "mov r1, #0 \n" // ; 0x0
16 "BL sub_FF81BDD8 \n" // register
17
18 // "ldr r0, =0xff862c50 \n" // cpu abort
19 "ldr r0, =abort_hook \n" //
20 "BL sub_FF862240 \n" // register
21
22 // "ldr r0, =0xff862fcc \n" // os panic
23 "ldr r0, =panic_hook \n" //
24 "BL sub_FF86224C \n" // register
25 "ldmia sp!, {r4, pc} \n"
26 );
27 }
28
29 // #define O_APPEND 0x8
30 static int crash_fd = 0;
31 void open_crash() {
32 crash_fd = open("A/crash.log", O_WRONLY|O_CREAT|O_APPEND, 0777);
33 }
34 void write_crash(char* buf, int len) {
35 write(crash_fd, buf, len);
36 }
37 void close_crash() {
38 close(crash_fd);
39 }
40
41 // all original hooks write crashlog to ROM
42 // see
43 // OpLog.Get = OpLog.ReadFromROM, OpLog.WriteToSD
44 //
45 extern void _OpLog_WriteToSD(int);
46
47 void assert_hook() {
48 asm volatile(
49 "stmdb sp!, {r0, r1} \n"
50 );
51 console_add_line("assert failed: game over :(");
52 _OpLog_WriteToSD(0);
53 msleep(1000);
54 asm volatile(
55 "ldmia sp!, {r0, r1} \n"
56 "BL sub_FF862858 \n" // original assert handler, no return
57 );
58 console_add_line("assert done");
59 }
60
61 void abort_hook() {
62 asm volatile(
63 "stmdb sp!, {r0} \n"
64 );
65
66 console_add_line("abort error: game over :(");
67 _OpLog_WriteToSD(0);
68 msleep(1000);
69 asm volatile(
70 "ldmia sp!, {r0} \n"
71 "BL sub_FF862C50 \n" // abort default, no return: default shutdown
72 );
73
74 console_add_line("abort done");
75 }
76 // GetLogToFile
77 void panic_hook_dump();
78 void panic_hook() {
79 asm volatile(
80 "stmdb sp!, {r0, r1} \n"
81 );
82 console_add_line("dryos panic: game over :(");
83 _OpLog_WriteToSD(0);
84 msleep(1000);
85 asm volatile(
86 "ldmia sp!, {r0, r1} \n"
87 "BL sub_FF862FCC \n" // panic_hook_dump();
88 );
89 console_add_line("panic done");
90 }
91 #if 0
92 ///////////////////////////////////////
93 // panic hook
94 // Extracted method: (ff862fcc-ff86304c)
95 void __attribute__((naked,noinline)) panic_hook_dump() {
96 asm volatile (
97 "stmdb sp!, {r2, r3, r4, r5, r6, r7, r8, lr} \n"
98 "ldr r5, =0x00005574 \n"
99 "mov r7, r0 \n"
100 "ldr r0, [r5] \n"
101 "mov r8, r1 \n"
102 "cmp r0, #1 \n" // ; 0x1
103 "BEQ sub_FF863114 \n" // <_binary_dump_bin_start+0x53114 +304>
104 "mov r0, #1 \n" // ; 0x1
105 "str r0, [r5] \n"
106 "ldr r0, =0xff8632e0 \n" // ; (7379530a)
107 "mov r2, r8 \n"
108 "mov r1, r7 \n"
109 // "BL sub_FF81351C \n" // ; STDERR
110 "BL sub_FF81351C_my \n" //
111 "ldr r0, [r5, #8] \n"
112 "BL sub_FF82789C \n" // <_binary_dump_bin_start+0x1789c -243560>
113 "ldr r0, =0xff862798 \n"
114 "ldr r1, [r5, #8] \n"
115 // "BL sub_FF81351C \n" // ; STDERR
116 "BL sub_FF81351C_my \n" //
117 "mov r1, sp \n"
118 "add r2, r1, #128 \n" // ; 0x80
119 "ldr r0, =0xff86330c \n" // ; (63617453) *"StackDump(0x%X - 0x%X):"
120 "str r1, [sp, #4] \n"
121 // "BL sub_FF81351C \n" // ; STDERR
122 "BL sub_FF81351C_my \n" //
123 "ldr r4, [sp, #4] \n"
124 "B loc_FF863040 \n" // <_binary_dump_bin_start+0x53040 +20>
125 "loc_FF863030:\n"
126 "ldr r0, =0xff862c0c \n"
127 "ldr r1, [r4] \n"
128 // "BL sub_FF81351C \n" // ; STDERR
129 "BL sub_FF81351C_my \n" //
130 "add r4, r4, #4 \n" // ; 0x4
131 "loc_FF863040:\n"
132 "ldr r0, [sp, #4] \n"
133 "add r0, r0, #128 \n" // ; 0x80
134 "cmp r4, r0 \n"
135 "BCC loc_FF863030 \n" // <_binary_dump_bin_start+0x53030 -28>
136 // continue ROM
137 "B sub_FF863050 \n"
138 );
139 }
140
141 ///////////////////////////////////////
142 // cpu abort handler
143 // Extracted method: (ff862c50-ff862db4)
144 void __attribute__((naked,noinline)) abort_hook_dump() {
145 asm volatile (
146 "stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, lr} \n"
147 "ldr r8, =0x00005574 \n"
148 "mov r4, r0 \n"
149 "ldr r0, [r8] \n"
150 "sub sp, sp, #128 \n" // ; 0x80
151 "cmp r0, #1 \n" // ; 0x1
152 "BEQ sub_FF862FC4 \n" // <_binary_dump_bin_start+0x52fc4 +860>
153 "mov r0, #1 \n" // ; 0x1
154 "str r0, [r8] \n"
155 "ldr r0, [r4] \n"
156 "cmp r0, #4 \n" // ; 0x4
157 "ldreq r5, =0xff862f44 \n" // ; (65646e75) *"undefined instruction"
158 "BEQ loc_FF862C90 \n" // <_binary_dump_bin_start+0x52c90 +16>
159 "cmp r0, #12 \n" // ; 0xc
160 "ldreq r5, =0xff862f5c \n" // ; (66657270) *"prefetch abort"
161 "ldrne r5, =0xff862f6c \n" // ; (61746164) *"data abort"
162 "loc_FF862C90:\n"
163 "ldr r0, [r4, #4] \n"
164 "cmp r0, #0 \n" // ; 0x0
165 "movne r7, #2326528 \n" // ; 0x238000
166 "BNE loc_FF862CBC \n" // <_binary_dump_bin_start+0x52cbc +32>
167 "BL sub_FF812128 \n" // <_binary_dump_bin_start+0x2128 -330616>
168 "ldr r0, [r4, #8] \n"
169 "add r1, sp, #80 \n" // ; 0x50
170 "BL sub_FF81339C \n" // <_binary_dump_bin_start+0x339c -325904>
171 "ldr r0, [sp, #108] \n"
172 "ldr r1, [sp, #112] \n"
173 "add r7, r0, r1 \n"
174 "loc_FF862CBC:\n"
175 "mov r1, r5 \n"
176 "ldr r0, =0xff862f78 \n" // ; (6378450a)
177 // "BL sub_FF81351C \n" // ; STDERR
178 "BL sub_FF81351C_my \n" //
179 "ldr r0, [r8, #8] \n"
180 "BL sub_FF82789C \n" // <_binary_dump_bin_start+0x1789c -242736>
181 "ldr r0, =0xff862798 \n" // ; (7563634f) *"Occured Time %s"
182 "ldr r1, [r8, #8] \n"
183 // "BL sub_FF81351C \n" // ; STDERR
184 "BL sub_FF81351C_my \n" //
185 "ldr r0, [r4, #4] \n"
186 "ldr r9, =0xff810218 \n"
187 "cmp r0, #0 \n" // ; 0x0
188 "ldrne r0, [r9] \n"
189 "ldrne r0, [r0] \n"
190 "movne r1, r0, lsr #2 \n"
191 "ldrne r0, =0xff8627b0 \n"
192 "BNE loc_FF862D10 \n" // <_binary_dump_bin_start+0x52d10 +24>
193 "ldr r1, [r4, #8] \n"
194 "ldr r0, =0xff862be8 \n" // ; (6b736154) *"Task ID: %d"
195 // "BL sub_FF81351C \n" // ; STDERR
196 "BL sub_FF81351C_my \n" //
197 "ldr r1, [sp, #124] \n"
198 "ldr r0, =0xff862bf8 \n" // ; (6b736154) *"Task name: %s"
199 "loc_FF862D10:\n"
200 // "BL sub_FF81351C \n" // ; STDERR
201 "BL sub_FF81351C_my \n" //
202 "ldr r0, =0xff862f90 \n" // ; (20637845) *"Exc Registers:"
203 // "BL sub_FF81351C \n" // ; STDERR
204 "BL sub_FF81351C_my \n" //
205 "mov r5, #0 \n" // ; 0x0
206 "loc_FF862D20:\n"
207 "ldr r0, [r4, #12] \n"
208 "ldr r1, [r0, r5, lsl #2] \n"
209 "ldr r0, =0xff862c0c \n" // ; (30257830)
210 // "BL sub_FF81351C \n" // ; STDERR
211 "BL sub_FF81351C_my \n" //
212 "add r5, r5, #1 \n" // ; 0x1
213 "cmp r5, #15 \n" // ; 0xf
214 "BLT loc_FF862D20 \n" // <_binary_dump_bin_start+0x52d20 -24>
215 "ldr r0, [r4, #12] \n"
216 "ldr r1, [r0, #60] \n"
217 "ldr r0, =0xff862c0c \n" // ; (30257830)
218 // "BL sub_FF81351C \n" // ; STDERR
219 "BL sub_FF81351C_my \n" //
220 "ldr r0, [r4, #12] \n"
221 "ldr r1, [r0, #64] \n"
222 "ldr r0, =0xff862c0c \n" // ; (30257830)
223 // "BL sub_FF81351C \n" // ; STDERR
224 "BL sub_FF81351C_my \n" //
225 "ldr r0, [r4, #12] \n"
226 "ldr r5, [r0, #52] \n"
227 "ldr r0, =0xff862c14 \n" // ; (63617453) *"StackDump:"
228 "mov sl, r5 \n"
229 // "BL sub_FF81351C \n" // ; STDERR
230 "BL sub_FF81351C_my \n" //
231 "mov r6, #0 \n" // ; 0x0
232 "loc_FF862D74:\n"
233 "cmp r5, r7 \n"
234 "BHI loc_FF862D98 \n" // <_binary_dump_bin_start+0x52d98 +32>
235 "ldr r1, [r5] \n"
236 "ldr r0, =0xff862c0c \n" // ; (30257830)
237 // "BL sub_FF81351C \n" // ; STDERR
238 "BL sub_FF81351C_my \n" //
239 "add r6, r6, #1 \n" // ; 0x1
240 "cmp r6, #32 \n" // ; 0x20
241 "add r5, r5, #4 \n" // ; 0x4
242 "BLT loc_FF862D74 \n" // <_binary_dump_bin_start+0x52d74 -32>
243 "loc_FF862D98:\n"
244 "ldr r0, [r4, #4] \n"
245 "cmp r0, #0 \n" // ; 0x0
246 "BNE sub_FF862DBC \n" // <_binary_dump_bin_start+0x52dbc +28>
247 "ldr r0, [r8, #16] \n"
248 "cmp r0, #12 \n" // ; 0xc
249 "BEQ sub_FF862DC8 \n" // <_binary_dump_bin_start+0x52dc8 +28>
250 "ldr r0, =0xff862268 \n"
251 "mov r1, #0 \n" // ; 0x0
252 "B sub_FF862DB8 \n" // continue rom
253 );
254 }
255 #endif
256
257 ////////////////////////////////////////
258 // Watchdog
259 // Extracted method: (ff82a1fc-ff82a298)
260 void __attribute__((naked,noinline)) sub_FF82A1FC_my() {
261 asm volatile (
262 "stmdb sp!, {r4, lr} \n"
263 "mov r1, #4 \n" // ; 0x4
264 "mov r0, #2 \n" // ; 0x2
265 // "BL sub_FF86B9F4 \n" // <taskcreate_WdtReset +268268>
266 "BL taskcreate_WdtReset_my \n" // --------------->
267 "BL sub_FF86BA8C \n" // <StartWDT +268416>
268 "BL sub_FF86900C \n" // <EventProcedure +257532>
269 "BL sub_FF864D60 \n" //
270 "BL sub_FF83F1FC \n" //
271 "BL sub_FF86BC74 \n" //
272 "ldr r2, =0x12cea600 \n"
273 "ldr r1, =0x7fe8177f \n"
274 "BL sub_FF828348 \n" //
275 "BL sub_FF8411E0 \n" //
276 "BL sub_FF846238 \n" //
277 "BL sub_FF821748 \n" //
278 "BL sub_FF845CC0 \n" //
279 "mov r0, #1 \n" // ; 0x1
280 "BL sub_FF842BBC \n" // <taskcreate_AudioTsk +100732>
281 "BL sub_FF83D9E8 \n" //
282 "BL sub_FF8362B4 \n" //
283 "BL sub_FF840988 \n" //
284 "BL sub_FF84074C \n" //
285 "BL sub_FF840A40 \n" //
286 "BL sub_FF8450B0 \n" // <taskcreate_Thermometer +110168>
287 "BL sub_FF855E80 \n" //
288 "BL sub_FF841FC4 \n" // <taskcreate_LEDCon +97636>
289 "BL sub_FF86CA3C \n" //
290 "ldmia sp!, {r4, lr} \n"
291 "B sub_FF82A1E0 \n" //
292 );
293 }
294
295
296 // Extracted method: (ff86b9f4-ff86ba88)
297 void __attribute__((naked,noinline)) taskcreate_WdtReset_my() {
298 asm volatile (
299 "mov r1, r1, lsl #8 \n"
300 "stmdb sp!, {r3, r4, r5, lr} \n"
301 "orr r0, r1, r0, lsl #4 \n"
302 "ldr r4, =0x00005770 \n"
303 "ldr r1, =0xc0410000 \n"
304 "orr r0, r0, #-1073741824 \n" // ; 0xc0000000
305 "str r0, [r4, #8] \n"
306 "str r0, [r1] \n"
307 "mov r0, #0 \n" // ; 0x0
308 "BL sub_FF8280C8 \n" // <_binary_dump_bin_start+0x180c8 -276816>
309 "str r0, [r4, #16] \n"
310 "mov r0, #0 \n" // ; 0x0
311 "str r0, [r4, #12] \n"
312 "ldr r0, =0xff86bba0 \n" // ; (49746457) *"WdtInt"
313 "mov r3, #0 \n" // ; 0x0
314 "ldr r2, =0xff86b9a0 \n" // ; (e59f11f0)
315 "mov r1, #3 \n" // ; 0x3
316 "BL sub_FF81B5A0 \n" // <_binary_dump_bin_start+0xb5a0 -328856>
317 "mov r3, #0 \n" // ; 0x0
318 "str r3, [sp] \n"
319 "ldr r3, =0xff86b9cc \n" // ; (e92d4070)
320 "mov r2, #512 \n" // ; 0x200
321 "mov r1, #24 \n" // ; 0x18
322 "ldr r0, =0xff86bba8 \n" // ; (52746457) *"WdtReset"
323 "BL sub_FF81BBB8 \n" // <KernelCreateTask -327324>
324 "mov r1, #0 \n" // ; 0x0
325 "mov r0, #0 \n" // ; 0x0
326 "BL sub_FF81BC34 \n" // <_binary_dump_bin_start+0xbc34 -327212>
327 "str r0, [r4, #20] \n"
328 "mov r3, #0 \n" // ; 0x0
329 "str r3, [sp] \n"
330 // "ldr r3, =0xff86b918 \n" // ; (e92d40f8)
331 "ldr r3, =WdtPrint_my \n" // ---------->
332 "ldr r0, =0xff86bbb4 \n" // ; (50746457) *"WdtPrint"
333 "mov r2, #512 \n" // ; 0x200
334 "mov r1, #1 \n" // ; 0x1
335 "BL sub_FF81BBB8 \n" // <KernelCreateTask -327368>
336 "mov r0, #0 \n" // ; 0x0
337 "ldmia sp!, {r3, r4, r5, pc} \n"
338 );
339 }
340
341 //WdtPrint
342 // Extracted method: (ff86b918-ff86b9c8)
343 void __attribute__((naked,noinline)) WdtPrint_my() {
344 asm volatile (
345 "stmdb sp!, {r3, r4, r5, r6, r7, lr} \n"
346 "ldr r5, =0x0001a0c0 \n"
347 "mov r6, #0 \n" // ; 0x0
348 "loc_FF86B924:\n"
349 "mov r0, #0 \n" // ; 0x0
350 "loc_FF86B928:\n"
351 "str r6, [r5, r0, lsl #4] \n"
352 "add r0, r0, #1 \n" // ; 0x1
353 "cmp r0, #10 \n" // ; 0xa
354 "BLT loc_FF86B928 \n" // <_binary_dump_bin_start+0x5b928 -12>
355 "ldr r4, =0x00005770 \n"
356 "mov r1, #0 \n" // ; 0x0
357 "ldr r0, [r4, #20] \n"
358 "BL sub_FF81B774 \n" // <TakeSemaphore -328144>
359 "mov r0, #800 \n" // ; 0x320
360 "BL sub_FF8284B4 \n" // <SleepTask -275608>
361 "mov r0, #10 \n" // ; 0xa
362 "str r0, [r4, #4] \n"
363
364 "ldr r0, =0xff86bb4c \n" // ; (21200a0a) "!!!WatchDog expired!!!"
365 "BL console_add_line \n"
366 "ldr r0, =0xff86bb4c \n" // ; (21200a0a) "!!!WatchDog expired!!!"
367 "BL sub_FF81351C_my \n" // ; STDERR
368 "mov r0, #0 \n"
369 "BL _OpLog_WriteToSD \n"
370
371 "mov r4, #0 \n" // ; 0x0
372 "B loc_FF86B98C \n" // <_binary_dump_bin_start+0x5b98c +40>
373 "loc_FF86B968:\n"
374 "str r3, [sp] \n"
375 "ldr r2, [r0, #8] \n"
376 "ldr r3, [r0, #12] \n"
377 "ldr r1, [r5, r4, lsl #4] \n"
378 "ldr r0, =0xff86bb6c \n" // ; (73255b20) *" [%s (LR:0x%08lx , PC:0x%08lx)] -> [%s] "
379 "BL sub_FF81351C_my\n" // ; STDERR
380 "add r4, r4, #1 \n" // ; 0x1
381 "cmp r4, #10 \n" // ; 0xa
382 "BGE loc_FF86B924 \n" // <_binary_dump_bin_start+0x5b924 -100>
383 "loc_FF86B98C:\n"
384 "add r0, r5, r4, lsl #4 \n"
385 "ldr r3, [r0, #4] \n"
386 "cmp r3, #0 \n" // ; 0x0
387 "BNE loc_FF86B968 \n" // <_binary_dump_bin_start+0x5b968 -48>
388 "B loc_FF86B924 \n" // <_binary_dump_bin_start+0x5b924 -120>
389 );
390 }
391
392 //
393 // printf STDERR ... whatever ...
394
395 // Extracted method: (ff81351c-ff81355c)
396 void __attribute__((naked,noinline)) sub_FF81351C_my() {
397 asm volatile (
398 "stmdb sp!, {r0, r1, r2, r3} \n"
399 "stmdb sp!, {r4, lr} \n"
400 );
401 open_crash();
402 asm volatile (
403 "sub sp, sp, #24 \n" // ; 0x18
404 "mov r0, #2 \n" // ; 0x2
405 "strh r0, [sp, #16] \n"
406 "mrs r4, CPSR \n"
407 "orr r0, r4, #128 \n" // ; 0x80
408 "msr CPSR_c, r0 \n"
409 "ldr r2, [sp, #32] \n"
410 // "ldr r0, =0xff810904 \n"
411 "ldr r0, =sub_FF810904_my \n"
412 "add r3, sp, #36 \n" // ; 0x24
413 "mov r1, sp \n"
414 "BL sub_FF818B80 \n" // <_binary_dump_bin_start+0x8b80 +22068>
415 "msr CPSR_c, r4 \n"
416 "add sp, sp, #24 \n" // ; 0x18
417 );
418 close_crash();
419 asm volatile (
420 "ldr r4, [sp], #4 \n"
421 "ldr pc, [sp], #20 \n"
422 );
423 }
424
425 // Extracted method: (ff810904-ff810920)
426 // r0=?
427 // r1=text
428 // r2=len
429 void __attribute__((naked,noinline)) sub_FF810904_my() {
430 asm volatile (
431 "mov r0, r1 \n"
432 "mov r1, r2 \n"
433 "ldr r2, =0x00001900 \n"
434 "ldr r2, [r2] \n"
435 // "cmp r2, #0 \n" // ; 0x0
436 // "moveq r0, r1 \n"
437 // "BNE sub_FF814970 \n" //
438 "B sub_FF814970_my \n" //
439 // "bx lr \n"
440 );
441 }
442
443 // Extracted method: (ff814970-ff814994)
444 // r0=text
445 // r1=len
446 void __attribute__((naked,noinline)) sub_FF814970_my() {
447 asm volatile (
448 "mov r2, r1 \n"
449 "mov r1, r0 \n"
450 "stmdb sp!, {r3, lr} \n"
451 "mov r3, sp \n"
452 // "mov r0, #0 \n" // ; 0x0
453 // "BL sub_FF81ABFC <<<<<<< writef errlog, *r1=text, r2=len \n"
454 "mov r0, r1 \n"
455 "mov r1, r2 \n"
456 "BL write_crash \n"
457 "cmp r0, #0 \n" // ; 0x0
458 "ldrge r0, [sp] \n"
459 "mvnlt r0, #0 \n" // ; 0x0
460 "ldmia sp!, {ip, pc} \n"
461 );
462 }