root/platform/ixus255_elph330hs/sub/100f/boot.c

DEFINITIONS

1. CreateTask_spytask
2. boot
3. CreateTask_my
4. sub_FF00038C_my
5. sub_FF00110C_my
6. sub_FF00420C_my
7. sub_FF00B24C_my
8. sub_FF032004_my
9. task_Startup_my
10. taskcreatePhySw_my
11. init_file_modules_task

   1 /*
   2  * boot.c - auto-generated by CHDK code_gen.
   3  */
   4 #include "lolevel.h"
   5 #include "platform.h"
   6 #include "core.h"
   7 #include "dryos31.h"
   9 #define offsetof(TYPE, MEMBER) ((int) &((TYPE *)0)->MEMBER)
  11 const char * const new_sa = &_end;
  13 extern void task_CaptSeq();
  14 extern void task_InitFileModules();
  15 extern void task_MovieRecord();
  16 extern void task_ExpDrv();
  17 extern void task_FileWrite();
  19 /*----------------------------------------------------------------------
  20     CreateTask_spytask
  21 -----------------------------------------------------------------------*/
  22 void CreateTask_spytask()
  23 {
_CreateTask("SpyTask", 0x19, 0x2000, core_spytask, 0);
  25 }
  27 /*----------------------------------------------------------------------
  28     boot()
  29 
  30     Main entry point for the CHDK code
  31 -----------------------------------------------------------------------*/
  33 /*************************************************************/
  34 //** boot @ 0xFF00000C - 0xFF000178, length=92
  35 void __attribute__((naked,noinline)) boot() {
  36 asm volatile (
  37 "    LDR     R1, =0xC0410000 \n"
  38 "    MOV     R0, #0 \n"
  39 "    STR     R0, [R1] \n"
  40 "    MOV     R1, #0x78 \n"
  41 "    MCR     p15, 0, R1, c1, c0 \n"
  42 "    MOV     R1, #0 \n"
  43 "    MCR     p15, 0, R1, c7, c10, 4 \n"
  44 "    MCR     p15, 0, R1, c7, c5 \n"
  45 "    MCR     p15, 0, R1, c7, c6 \n"
  46 "    MOV     R0, #0x3D \n"
  47 "    MCR     p15, 0, R0, c6, c0 \n"
  48 "    MOV     R0, #0xC000002F \n"
  49 "    MCR     p15, 0, R0, c6, c1 \n"
  50 "    MOV     R0, #0x37 \n"
  51 "    MCR     p15, 0, R0, c6, c2 \n"
  52 "    MOV     R0, #0x40000037 \n"
  53 "    MCR     p15, 0, R0, c6, c3 \n"
  54 "    MOV     R0, #0x80000017 \n"
  55 "    MCR     p15, 0, R0, c6, c4 \n"
  56 "    LDR     R0, =0xFF00002F \n"
  57 "    MCR     p15, 0, R0, c6, c5 \n"
  58 "    LDR     R0, =0xD000002B \n"
  59 "    MCR     p15, 0, R0, c6, c7 \n"
  60 "    MOV     R0, #0x34 \n"
  61 "    MCR     p15, 0, R0, c2, c0 \n"
  62 "    MOV     R0, #0x34 \n"
  63 "    MCR     p15, 0, R0, c2, c0, 1 \n"
  64 "    MOV     R0, #0x34 \n"
  65 "    MCR     p15, 0, R0, c3, c0 \n"
  66 "    LDR     R0, =0x33333330 \n"
  67 "    MCR     p15, 0, R0, c5, c0, 2 \n"
  68 "    LDR     R0, =0x33333330 \n"
  69 "    MCR     p15, 0, R0, c5, c0, 3 \n"
  70 "    MRC     p15, 0, R0, c1, c0 \n"
  71 "    ORR     R0, R0, #0x1000 \n"
  72 "    ORR     R0, R0, #4 \n"
  73 "    ORR     R0, R0, #1 \n"
  74 "    MCR     p15, 0, R0, c1, c0 \n"
  75 "    MOV     R1, #0x80000006 \n"
  76 "    MCR     p15, 0, R1, c9, c1 \n"
  77 "    MOV     R1, #6 \n"
  78 "    MCR     p15, 0, R1, c9, c1, 1 \n"
  79 "    MRC     p15, 0, R1, c1, c0 \n"
  80 "    ORR     R1, R1, #0x50000 \n"
  81 "    MCR     p15, 0, R1, c1, c0 \n"
  82 "    LDR     R2, =0xC0200000 \n"
  83 "    MOV     R1, #1 \n"
  84 "    STR     R1, [R2, #0x10C] \n"
  85 "    MOV     R1, #0xFF \n"
  86 "    STR     R1, [R2, #0xC] \n"
  87 "    STR     R1, [R2, #0x1C] \n"
  88 "    STR     R1, [R2, #0x2C] \n"
  89 "    STR     R1, [R2, #0x3C] \n"
  90 "    STR     R1, [R2, #0x4C] \n"
  91 "    STR     R1, [R2, #0x5C] \n"
  92 "    STR     R1, [R2, #0x6C] \n"
  93 "    STR     R1, [R2, #0x7C] \n"
  94 "    STR     R1, [R2, #0x8C] \n"
  95 "    STR     R1, [R2, #0x9C] \n"
  96 "    STR     R1, [R2, #0xAC] \n"
  97 "    STR     R1, [R2, #0xBC] \n"
  98 "    STR     R1, [R2, #0xCC] \n"
  99 "    STR     R1, [R2, #0xDC] \n"
 100 "    STR     R1, [R2, #0xEC] \n"
 101 "    STR     R1, [R2, #0xFC] \n"
 102 "    LDR     R1, =0xC0400008 \n"
 103 "    LDR     R2, =0x430005 \n"
 104 "    STR     R2, [R1] \n"
 105 "    LDR     R2, =0xC0242010 \n"
 106 "    LDR     R1, [R2] \n"
 107 "    ORR     R1, R1, #1 \n"
 108 "    STR     R1, [R2] \n"
 109 "    LDR     R0, =0xFF8986EC \n"
 110 "    LDR     R1, =0x685000 \n"
 111 "    LDR     R3, =0x6AFB54 \n"
 113 "loc_FF000138:\n"
 114 "    CMP     R1, R3 \n"
 115 "    LDRCC   R2, [R0], #4 \n"
 116 "    STRCC   R2, [R1], #4 \n"
 117 "    BCC     loc_FF000138 \n"
 118 "    LDR     R0, =0xFF880068 \n"
 119 "    LDR     R1, =0x1900 \n"
 120 "    LDR     R3, =0x19F84 \n"
 122 "loc_FF000154:\n"
 123 "    CMP     R1, R3 \n"
 124 "    LDRCC   R2, [R0], #4 \n"
 125 "    STRCC   R2, [R1], #4 \n"
 126 "    BCC     loc_FF000154 \n"
 127 "    LDR     R1, =0x26172C \n"
 128 "    MOV     R2, #0 \n"
 130 "loc_FF00016C:\n"
 131 "    CMP     R3, R1 \n"
 132 "    STRCC   R2, [R3], #4 \n"
 133 "    BCC     loc_FF00016C \n"
 134 /* Install task hooks via 0x193x is not possible with this new dryos version
 135    So the below code patches the CreateTask function in RAM to install our
 136    hook -- ERR99
 137 */
 138 // Install CreateTask patch
 139 "    LDR     R0, =patch_CreateTask\n"   // Patch data
 140 "    LDM     R0, {R1,R2}\n"             // Get two patch instructions
 141 "    LDR     R0, =hook_CreateTask\n"    // Address to patch
 142 "    STM     R0, {R1,R2}\n"             // Store patch instructions
 144 "    B       sub_FF00038C_my \n"  // --> Patched. Old value = 0xFF00038C.
 146 "patch_CreateTask:\n"
 147 "    LDR     PC, [PC,#-0x4]\n"          // Do jump to absolute address CreateTask_my
 148 "    .long   CreateTask_my\n"
 149 );
 150 }
 152 /*************************************************************/
 153 //** CreateTask_my @ 0x0068AB8C - 0x0068AB90, length=2
 154 void __attribute__((naked,noinline)) CreateTask_my() {
 155 asm volatile (
 156 "    STMFD   SP!, {R0}\n"
 157 //R3 = Pointer to task function to create
 159 /*** INSTALL capt_seq_task() hook ***/
 160 "    LDR     R0, =task_CaptSeq\n"       // DryOS original code function ptr.
 161 "    CMP     R0, R3\n"                  // is the given taskptr equal to our searched function?
 162 "    LDREQ   R3, =capt_seq_task\n"      // if so replace with our task function base ptr.
 163 "    BEQ     exitHook\n"                // below compares not necessary if this check has found something.
 165 /*** INSTALL exp_drv_task() hook ***/
 166 "    LDR     R0, =task_ExpDrv\n"
 167 "    CMP     R0, R3\n"
 168 "    LDREQ   R3, =exp_drv_task\n"
 169 "    BEQ     exitHook\n"
 171 /*** INSTALL filewrite() hook ***/
 172 "    LDR     R0, =task_FileWrite\n"
 173 "    CMP     R0, R3\n"
 174 "    LDREQ   R3, =filewritetask\n"
 175 "    BEQ     exitHook\n"
 177 /*** INSTALL movie_record_task() hook ***/
 178 /*
 179 "    LDR     R0, =task_MovieRecord\n"
 180 "    CMP     R0, R3\n"
 181 "    LDREQ   R3, =movie_record_task\n"
 182 "    BEQ     exitHook\n"
 183 */
 185 /*** INSTALL init_file_modules_task() hook ***/
 186 "    LDR     R0, =task_InitFileModules\n"
 187 "    CMP     R0, R3\n"
 188 "    LDREQ   R3, =init_file_modules_task\n"
 190 "exitHook:\n" 
 191 // restore overwritten registers
 192 "    LDMFD   SP!, {R0}\n"
 193 // Execute overwritten instructions from original code, then jump to firmware
 194 "    STMFD   SP!, {R1-R9,LR} \n"
 195 "    MOV     R4, R0 \n"
 196 "    LDR     PC, =0x0068AB94 \n"  // Continue in firmware
 197 );
 198 }
 200 /*************************************************************/
 201 //** sub_FF00038C_my @ 0xFF00038C - 0xFF0003F4, length=27
 202 void __attribute__((naked,noinline)) sub_FF00038C_my() {
 204     //Replacement of sub_ for correct power-on.
 205     //(short press = playback mode, long press = record mode)
 207     // sub_FF032004->sub_FF091350: 0xff5b8568+(0x36<<3)=0xff5b8718->0xc022f48c
 208     //                             0xff5b8718+0x4->0x00000004
 209     // value and pointer from sub_FF093A28 
 210     if ((*(int*) 0xc022f48c) & 4)
 211         *(int*)(0x2fa8) = 0x200000; // Playmode 
 212     else
 213         *(int*)(0x2fa8) = 0x100000; // Shootingmode
 215 asm volatile (
 216 "    LDR     R0, =0xFF000404 \n"
 217 "    MOV     R1, #0 \n"
 218 "    LDR     R3, =0xFF00043C \n"
 220 "loc_FF000398:\n"
 221 "    CMP     R0, R3 \n"
 222 "    LDRCC   R2, [R0], #4 \n"
 223 "    STRCC   R2, [R1], #4 \n"
 224 "    BCC     loc_FF000398 \n"
 225 "    LDR     R0, =0xFF00043C \n"
 226 "    MOV     R1, #0x1B0 \n"
 227 "    LDR     R3, =0xFF000624 \n"
 229 "loc_FF0003B4:\n"
 230 "    CMP     R0, R3 \n"
 231 "    LDRCC   R2, [R0], #4 \n"
 232 "    STRCC   R2, [R1], #4 \n"
 233 "    BCC     loc_FF0003B4 \n"
 234 "    MOV     R0, #0xD2 \n"
 235 "    MSR     CPSR_cxsf, R0 \n"
 236 "    MOV     SP, #0x1000 \n"
 237 "    MOV     R0, #0xD3 \n"
 238 "    MSR     CPSR_cxsf, R0 \n"
 239 "    MOV     SP, #0x1000 \n"
 240 "    LDR     R0, =0x398 \n"
 241 "    LDR     R2, =0xEEEEEEEE \n"
 242 "    MOV     R3, #0x1000 \n"
 244 "loc_FF0003E8:\n"
 245 "    CMP     R0, R3 \n"
 246 "    STRCC   R2, [R0], #4 \n"
 247 "    BCC     loc_FF0003E8 \n"
 248 "    BL      sub_FF00110C_my \n"  // --> Patched. Old value = 0xFF00110C.
 249 );
 250 }
 252 /*************************************************************/
 253 //** sub_FF00110C_my @ 0xFF00110C - 0xFF0011C0, length=46
 254 void __attribute__((naked,noinline)) sub_FF00110C_my() {
 255 asm volatile (
 256 "    STR     LR, [SP, #-4]! \n"
 257 "    SUB     SP, SP, #0x74 \n"
 258 "    MOV     R1, #0x74 \n"
 259 "    MOV     R0, SP \n"
 260 "    BL      sub_006A93A4 \n"
 261 "    MOV     R0, #0x83000 \n"
 262 "    STR     R0, [SP, #4] \n"
 264 #if defined(CHDK_NOT_IN_CANON_HEAP) // use original heap offset if CHDK is loaded in high memory
 265 "    LDR     R0, =0x26172C \n"
 266 #else
 267 "    LDR     R0, =new_sa\n"   // otherwise use patched value
 268 "    LDR     R0, [R0]\n"      //
 269 #endif
 271 "    LDR     R2, =0x53F15C \n"
 272 "    STR     R0, [SP, #8] \n"
 273 "    SUB     R0, R2, R0 \n"
 274 "    STR     R0, [SP, #0xC] \n"
 275 "    MOV     R0, #0x22 \n"
 276 "    STR     R0, [SP, #0x18] \n"
 277 "    MOV     R0, #0x98 \n"
 278 "    STR     R0, [SP, #0x1C] \n"
 279 "    LDR     R0, =0x1E2 \n"
 280 "    LDR     R1, =0x549C00 \n"
 281 "    STR     R2, [SP, #0x10] \n"
 282 "    STR     R0, [SP, #0x20] \n"
 283 "    MOV     R0, #0xF6 \n"
 284 "    STR     R1, [SP] \n"
 285 "    STR     R1, [SP, #0x14] \n"
 286 "    STR     R0, [SP, #0x24] \n"
 287 "    MOV     R0, #0xB6 \n"
 288 "    STR     R0, [SP, #0x28] \n"
 289 "    MOV     R0, #0x85 \n"
 290 "    STR     R0, [SP, #0x2C] \n"
 291 "    MOV     R0, #0x40 \n"
 292 "    STR     R0, [SP, #0x30] \n"
 293 "    MOV     R0, #4 \n"
 294 "    STR     R0, [SP, #0x34] \n"
 295 "    MOV     R0, #0x10 \n"
 296 "    STR     R0, [SP, #0x5C] \n"
 297 "    MOV     R0, #0x800 \n"
 298 "    STR     R0, [SP, #0x60] \n"
 299 "    MOV     R0, #0xA0 \n"
 300 "    STR     R0, [SP, #0x64] \n"
 301 "    MOV     R0, #0x280 \n"
 302 "    STR     R0, [SP, #0x68] \n"
 303 "    LDR     R1, =sub_FF00420C_my \n"  // --> Patched. Old value = 0xFF00420C.
 304 "    MOV     R2, #0 \n"
 305 "    MOV     R0, SP \n"
 306 "    BL      sub_006867E8 \n"
 307 "    ADD     SP, SP, #0x74 \n"
 308 "    LDR     PC, [SP], #4 \n"
 309 );
 310 }
 312 /*************************************************************/
 313 //** sub_FF00420C_my @ 0xFF00420C - 0xFF004280, length=30
 314 void __attribute__((naked,noinline)) sub_FF00420C_my() {
 315 asm volatile (
 316 "    STMFD   SP!, {R4,LR} \n"
 317 "    BL      sub_FF000AE8 \n"
 318 "    BL      sub_FF00539C \n"
 319 "    CMP     R0, #0 \n"
 320 "    LDRLT   R0, =0xFF00434C /*'dmSetup'*/ \n"
 321 "    BLLT    _err_init_task \n"
 322 "    BL      sub_FF003E44 \n"
 323 "    CMP     R0, #0 \n"
 324 "    LDRLT   R0, =0xFF004354 /*'termDriverInit'*/ \n"
 325 "    BLLT    _err_init_task \n"
 326 "    LDR     R0, =0xFF004364 /*'/_term'*/ \n"
 327 "    BL      sub_FF003F2C \n"
 328 "    CMP     R0, #0 \n"
 329 "    LDRLT   R0, =0xFF00436C /*'termDeviceCreate'*/ \n"
 330 "    BLLT    _err_init_task \n"
 331 "    LDR     R0, =0xFF004364 /*'/_term'*/ \n"
 332 "    BL      sub_FF00294C \n"
 333 "    CMP     R0, #0 \n"
 334 "    LDRLT   R0, =0xFF004380 /*'stdioSetup'*/ \n"
 335 "    BLLT    _err_init_task \n"
 336 "    BL      sub_FF004D38 \n"
 337 "    CMP     R0, #0 \n"
 338 "    LDRLT   R0, =0xFF00438C /*'stdlibSetup'*/ \n"
 339 "    BLLT    _err_init_task \n"
 340 "    BL      sub_FF001604 \n"
 341 "    CMP     R0, #0 \n"
 342 "    LDRLT   R0, =0xFF004398 /*'armlib_setup'*/ \n"
 343 "    BLLT    _err_init_task \n"
 344 "    LDMFD   SP!, {R4,LR} \n"
 345 "    B       sub_FF00B24C_my \n"  // --> Patched. Old value = 0xFF00B24C.
 346 );
 347 }
 349 /*************************************************************/
 350 //** sub_FF00B24C_my @ 0xFF00B24C - 0xFF00B2BC, length=29
 351 void __attribute__((naked,noinline)) sub_FF00B24C_my() {
 352 asm volatile (
 353 "    STMFD   SP!, {R3,LR} \n"
 354 "    BL      sub_FF038080 \n"
 355 "    BL      sub_FF03970C \n"
 356 "    CMP     R0, #0 \n"
 357 "    BNE     loc_FF00B270 \n"
 358 "    BL      sub_FF034190 /*_IsNormalCameraMode_FW*/ \n"
 359 "    CMP     R0, #0 \n"
 360 "    MOVNE   R0, #1 \n"
 361 "    BNE     loc_FF00B274 \n"
 363 "loc_FF00B270:\n"
 364 "    MOV     R0, #0 \n"
 366 "loc_FF00B274:\n"
 367 "    BL      sub_FF032004_my \n"  // --> Patched. Old value = 0xFF032004.
 368 "    CMP     R0, #0 \n"
 369 "    BNE     loc_FF00B288 \n"
 370 "    BL      sub_FF0317F0 \n"
 372 "loc_FF00B284:\n"
 373 "    B       loc_FF00B284 \n"
 375 "loc_FF00B288:\n"
 376 "    BL      sub_0068C318 \n"
 377 "    LDR     R1, =0x5CE000 \n"
 378 "    MOV     R0, #0 \n"
 379 "    BL      sub_FF039C48 \n"
 380 "    BL      sub_0068C530 /*_EnableDispatch*/ \n"
 381 "    MOV     R3, #0 \n"
 382 "    STR     R3, [SP] \n"
 383 "    LDR     R3, =task_Startup_my \n"  // --> Patched. Old value = 0xFF00B1E4.
 384 "    MOV     R2, #0 \n"
 385 "    MOV     R1, #0x19 \n"
 386 "    LDR     R0, =0xFF00B2C8 /*'Startup'*/ \n"
 387 "    BL      _CreateTask \n"
 388 "    MOV     R0, #0 \n"
 389 "    LDMFD   SP!, {R3,PC} \n"
 390 );
 391 }
 393 /*************************************************************/
 394 //** sub_FF032004_my @ 0xFF032004 - 0xFF032068, length=26
 395 void __attribute__((naked,noinline)) sub_FF032004_my() {
 396 asm volatile (
 397 "    STMFD   SP!, {R2-R8,LR} \n"
 398 "    MOV     R6, #0 \n"
 399 "    MOV     R8, R0 \n"
 400 "    MOV     R7, R6 \n"
 401 //"  BL      _sub_FF093A20 \n"  // --> Nullsub call removed.
 402 "    MOV     R0, #0x36 \n"
 403 "    BL      sub_FF091350 \n"
 404 "    MOV     R4, #1 \n"
 405 "    BIC     R5, R4, R0 \n"
 406 "    MOV     R0, #0x37 \n"
 407 "    BL      sub_FF091350 \n"
 408 "    CMP     R8, #0 \n"
 409 "    BIC     R4, R4, R0 \n"
 410 "    BEQ     loc_FF032044 \n"
 411 "    ORRS    R0, R5, R4 \n"
 412 "    BEQ     loc_FF032068 \n"
 414 "loc_FF032044:\n"
 415 "    BL      sub_FF03970C \n"
 416 "    MOV     R2, R0 \n"
 417 "    MOV     R3, #0 \n"
 418 "    MOV     R1, R4 \n"
 419 "    MOV     R0, R5 \n"
 420 "    STRD    R6, [SP] \n"
 421 //"  BL      _sub_FF093A28 \n"  // Disable StartUpChecks
 422 //"  BL      _sub_FF093A24 \n"  // --> Nullsub call removed.
 423 "    MOV     R0, #1 \n"
 425 "loc_FF032068:\n"
 426 "    LDMFD   SP!, {R2-R8,PC} \n"
 427 );
 428 }
 430 /*************************************************************/
 431 //** task_Startup_my @ 0xFF00B1E4 - 0xFF00B248, length=26
 432 void __attribute__((naked,noinline)) task_Startup_my() {
 433 asm volatile (
 434 "    STMFD   SP!, {R4,LR} \n"
 435 "    BL      sub_FF0048A4 \n"
 436 "    BL      sub_FF033220 \n"
 437 "    BL      sub_FF031778 \n"
 438 //"  BL      _sub_FF094228 \n"  // --> Nullsub call removed.
 439 "    BL      sub_FF03997C \n"
 440 //"  BL      _sub_FF039804 \n"  // load DISKBOOT.BIN
 441 "    BL      sub_FF039AE4 \n"
 442 "    BL      sub_FF03A2BC \n"
 443 //"  BL      _sub_FF039AD8 \n"  // --> Nullsub call removed.
 444 "    BL      sub_FF0399B8 \n"
 445 "    BL      sub_FF037FB8 \n"
 446 "    BL      sub_FF03A2C4 \n"
 447 "    BL      CreateTask_spytask\n" // added
 448 "    BL      taskcreatePhySw_my \n"  // --> Patched. Old value = 0xFF031EB0.
 449 "    BL      sub_FF036024 \n"
 450 "    BL      sub_FF0DFBB0 \n"
 451 "    BL      sub_FF02F374 \n"
 452 "    BL      sub_FF0310E8 \n"
 453 "    BL      sub_FF03953C \n"
 454 "    BL      sub_FF03172C \n"
 455 "    BL      sub_FF031084 \n"
 456 //"  BL      _sub_FF039ADC \n"  // --> Nullsub call removed.
 457 "    BL      sub_FF030004 \n"
 458 "    BL      sub_FF031048 \n"
 459 "    LDMFD   SP!, {R4,LR} \n"
 460 "    B       sub_FF0049E0 \n"
 461 );
 462 }
 464 /*************************************************************/
 465 //** taskcreatePhySw_my @ 0xFF031EB0 - 0xFF031F00, length=21
 466 void __attribute__((naked,noinline)) taskcreatePhySw_my() {
 467 asm volatile (
 468 "    STMFD   SP!, {R3-R5,LR} \n"
 469 "    LDR     R4, =0x1E20 \n"
 470 "    LDR     R0, [R4, #4] \n"
 471 "    CMP     R0, #0 \n"
 472 "    BNE     loc_FF031EE4 \n"
 473 "    MOV     R3, #0 \n"
 474 "    STR     R3, [SP] \n"
 475 "    LDR     R3, =mykbd_task \n"  // --> Patched. Old value = 0xFF031E7C.
 476 "    MOV     R2, #0x2000 \n"  // --> Patched. Old value = 0x800. stack size for new task_PhySw so we don't have to do stack switch
 477 "    MOV     R1, #0x17 \n"
 478 "    LDR     R0, =0xFF032160 /*'PhySw'*/ \n"
 479 "    BL      sub_0068AF04 /*_CreateTaskStrictly*/ \n"
 480 "    STR     R0, [R4, #4] \n"
 482 "loc_FF031EE4:\n"
 483 "    BL      sub_FF0C8E90 \n"
 484 "    BL      sub_FF0340E0 /*_IsFactoryMode_FW*/ \n"
 485 "    CMP     R0, #0 \n"
 486 "    BNE     loc_FF031F00 \n"
 487 "    LDR     R1, =0x3F490 \n"
 488 "    MOV     R0, #0 \n"
 489 "    BL      sub_FF0C8DFC /*_OpLog.Start_FW*/ \n"
 491 "loc_FF031F00:\n"
 492 "    LDMFD   SP!, {R3-R5,PC} \n"
 493 );
 494 }
 496 /*************************************************************/
 497 //** init_file_modules_task @ 0xFF08360C - 0xFF083640, length=14
 498 void __attribute__((naked,noinline)) init_file_modules_task() {
 499 asm volatile (
 500 "    STMFD   SP!, {R4-R6,LR} \n"
 501 "    BL      sub_FF0CB788 \n"
 502 "    LDR     R5, =0x5006 \n"
 503 "    MOVS    R4, R0 \n"
 504 "    MOVNE   R1, #0 \n"
 505 "    MOVNE   R0, R5 \n"
 506 "    BLNE    _PostLogicalEventToUI \n"
 507 "    BL      sub_FF0CB7BC \n"
 508 "    BL      core_spytask_can_start\n"  // CHDK: Set "it's-safe-to-start" flag for spytask
 509 "    CMP     R4, #0 \n"
 510 "    LDMNEFD SP!, {R4-R6,PC} \n"
 511 "    MOV     R0, R5 \n"
 512 "    LDMFD   SP!, {R4-R6,LR} \n"
 513 "    MOV     R1, #0 \n"
 514 "    B       _PostLogicalEventToUI \n"
 515 );
 516 }