CHDK_DE Vorschauversion  Trunk Rev. 6014
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Funktionen | Variablen
boot.c-Dateireferenz
#include "lolevel.h"
#include "platform.h"
#include "core.h"
+ Include-Abhängigkeitsdiagramm für boot.c:

gehe zum Quellcode dieser Datei

Funktionen

void createHook (void *pNewTcb)
 
void deleteHook (void *pTcb)
 
void ont (void)
 
void boot ()
 
void __attribute__ ((naked, noinline))
 *-------------------------------------------------------------------— Mehr ...
 
void h_usrInit ()
 
void h_usrKernelInit ()
 
void h_usrRoot ()
 

Variablen

const char *const new_sa = &_end
 
long wrs_kernel_bss_start
 
long wrs_kernel_bss_end
 
long * ledA =(long*)0xC02200EC
 

Dokumentation der Funktionen

void __attribute__ ( (naked, noinline)  )

*-------------------------------------------------------------------—

!!

IS_ERROR( hSoundHandle )

IS_ERROR( RetCode )

IS_ERROR( RetCode )

IS_ERROR( RetCode )

IS_ERROR( RetCode )

"MOV R3, #0\n" "STR R3, [R9]\n"

TODO! below is from sd400

"MOV R3, #0\n" "STR R3, [R9]\n"

TODO! below is from sd400

Definiert in Zeile 22 der Datei boot.c.

30 {
31  asm volatile (
32  "LDR R4, =0xFBA0\n"
33  "LDR R2, [R4,#0x38]\n"
34  "TST R2, #0x8000\n"
35  "BEQ loc_FF828D10\n"
36  "MOV R2, #0x8000\n"
37  "MOV R0, #0x2F\n"
38  "MOV R1, #2\n"
39  "BL sub_FF8292C0\n"
40  "LDR R3, [R4,#0x38]\n"
41  "BIC R3, R3, #0x8000\n"
42  "STR R3, [R4,#0x38]\n"
43  "MOV R2, R3\n"
44  "loc_FF828D10:\n"
45  "TST R2, #2\n"
46  "BEQ loc_FF828D38\n"
47  "MOV R1, #2\n"
48  "MOV R2, R1\n"
49  "MOV R0, #0x21\n"
50  "BL sub_FF8292C0\n"
51  "LDR R3, [R4,#0x38]\n"
52  "BIC R3, R3, #2\n"
53  "STR R3, [R4,#0x38]\n"
54  "MOV R2, R3\n"
55  "loc_FF828D38:\n"
56  "TST R2, #4\n"
57  "BEQ loc_FF828D60\n"
58  "MOV R2, #4\n"
59  "MOV R0, #0x22\n"
60  "MOV R1, #2\n"
61  "BL sub_FF8292C0\n"
62  "LDR R3, [R4,#0x38]\n"
63  "BIC R3, R3, #4\n"
64  "STR R3, [R4,#0x38]\n"
65  "MOV R2, R3\n"
66  "loc_FF828D60:\n"
67  "ADD R1, R4, #0x30\n"
68  "LDMIA R1, {R1,R3}\n"
69  "ADD R3, R1, R3\n"
70  "CMN R3, R2\n"
71  "BEQ loc_FF828D78\n"
72  "BL sub_FF829320\n"
73  "loc_FF828D78:\n"
74  "LDR R3, =0x1FBC\n"
75  "LDR R1, [R3]\n"
76  "CMP R1, #1\n"
77  "BNE loc_FF828D94\n"
78  "MOV R0, #0\n"
79  "MOV R2, R1\n"
80  "BL sub_FF8292C0\n"
81  "loc_FF828D94:\n"
82  "BL sub_FF8299FC\n"
83  "B mykbd_task_proceed_2\n"
84  );
85 }
void boot ( )

Definiert in Zeile 38 der Datei boot.c.

38  { //#fs
39  long *canon_data_src = (void*)0xFFEBFB4C;
40  long *canon_data_dst = (void*)0x1900;
41  long canon_data_len = 0xD700 - 0x1900; // data_end - data_start
42  long *canon_bss_start = (void*)0xD700; // just after data
43  long canon_bss_len = 0xA47E0 - 0xD700;
44 
45  long i;
46 
47 
48  // Code taken from VxWorks CHDK. Changes CPU speed?
49  asm volatile (
50  "MRC p15, 0, R0,c1,c0\n"
51  "ORR R0, R0, #0x1000\n"
52  "ORR R0, R0, #4\n"
53  "ORR R0, R0, #1\n"
54  "MCR p15, 0, R0,c1,c0\n"
55  :::"r0");
56 
57  for(i=0;i<canon_data_len/4;i++)
58  canon_data_dst[i]=canon_data_src[i];
59 
60  for(i=0;i<canon_bss_len/4;i++)
61  canon_bss_start[i]=0;
62 
63 /* asm volatile (
64  "MRC p15, 0, R0,c1,c0\n"
65  "ORR R0, R0, #0x1000\n"
66  "BIC R0, R0, #4\n"
67  "ORR R0, R0, #1\n"
68  "MCR p15, 0, R0,c1,c0\n"
69  :::"r0");
70 */
71 
72  *(int*)0x1930=(int)taskCreateHook;
73  *(int*)0x1934=(int)taskCreateHook;
74  *(int*)0x1938=(int)taskCreateHook2;
75 
76  // jump to init-sequence that follows the data-copy-routine
77  asm volatile ("B sub_FFC001A4_my\n");
78 }; //#fe
void createHook ( void *  pNewTcb)

Definiert in Zeile 110 der Datei main.c.

111 {
112  char *name = (char*)(*(long*)((char*)pNewTcb+0x34));
113  long *entry = (long*)((char*)pNewTcb+0x74);
114 
115  // always hook first task creation
116  // to create SpyProc
117  if (!stop_hooking){
118  task_prev = (void*)(*entry);
119  *entry = (long)task_start_hook;
120  stop_hooking = 1;
121  } else {
122  // hook/replace another tasks
123  if (my_ncmp(name, "tPhySw", 6) == 0){
124  *entry = (long)physw_hook;
125  }
126 
127  if (my_ncmp(name, "tInitFileM", 10) == 0){
128  init_file_modules_prev = (void*)(*entry);
129 #if CAM_MULTIPART
130  *entry = (long)init_file_modules_task;
131 #else
132  *entry = (long)init_file_modules_hook;
133 #endif
134  }
135 
136  if (my_ncmp(name, "tCaptSeqTa", 10) == 0){
137  *entry = (long)capt_seq_hook;
138  }
139 
140 #if CAM_CHDK_HAS_EXT_VIDEO_MENU
141  if (my_ncmp(name, "tMovieReco", 10) == 0){
142  *entry = (long)movie_record_hook;
143  }
144 #endif
145 
146 #if CAM_EXT_TV_RANGE
147  if (my_ncmp(name, "tExpDrvTas", 10) == 0){
148  *entry = (long)exp_drv_task;
149  }
150 #endif
151 
152 #if CAM_HAS_FILEWRITETASK_HOOK
153  if (my_ncmp(name, "tFileWrite", 10) == 0){
154  *entry = (long)filewritetask;
155  }
156 #endif
157 
158 // for cameras that have a "touch control dial" with 'TouchW' task.
159 // some cameras may use a different task name
160 #ifdef HOOK_TOUCHW
161  if (my_ncmp(name, "tTouchW", 7) == 0){
162  *entry = (long)my_touchw_task;
163  }
164 #endif
165 
166  core_hook_task_create(pNewTcb);
167  }
168 }
void deleteHook ( void *  pTcb)

Definiert in Zeile 170 der Datei main.c.

171 {
172  core_hook_task_delete(pTcb);
173 }
void h_usrInit ( )

Definiert in Zeile 234 der Datei boot.c.

235 {
236  asm volatile (
237  "STR LR, [SP,#-4]!\n"
238  "BL sub_FF811A40\n"
239  "MOV R0, #2\n"
240  "MOV R1, R0\n"
241  "BL sub_FFAB70C0\n" // unknown_libname_849
242  "BL sub_FFAA3798\n" // excVecInit
243  "BL sub_FF811298\n"
244  "BL sub_FF811800\n"
245  "LDR LR, [SP],#4\n"
246  "B h_usrKernelInit\n"
247  );
248 }
void h_usrKernelInit ( )

Definiert in Zeile 250 der Datei boot.c.

251 {
252  asm volatile (
253  "STMFD SP!, {R4,LR}\n"
254  "SUB SP, SP, #8\n"
255  "BL sub_FFAB75C0\n" // classLibInit
256  "BL sub_FFAC9DCC\n" // taskLibInit
257  "LDR R3, =0xE114\n"
258  "LDR R2, =0x78600\n"
259  "LDR R1, [R3]\n"
260  "LDR R0, =0x7BDD0\n"
261  "MOV R3, #0x100\n"
262  "BL sub_FFAC56FC\n" // qInit
263  "LDR R3, =0xE0D4\n"
264  "LDR R0, =0xE4F4\n"
265  "LDR R1, [R3]\n"
266  "BL sub_FFAC56FC\n" // qInit
267  "LDR R3, =0xE190\n"
268  "LDR R0, =0x7BDA4\n"
269  "LDR R1, [R3]\n"
270  "BL sub_FFAC56FC\n" // qInit
271  "BL sub_FFACE94C\n" // workQInit
272  "BL sub_FF811384\n"
273  "MOV R4, #0\n"
274  "MOV R3, R0\n"
275  "MOV R12, #0x800\n"
276  "LDR R0, =h_usrRoot\n"
277  "MOV R1, #0x4000\n"
278  );
279 // "LDR R2, =0xAC410\n" // 0x7C410 + 0x40000
280  asm volatile (
281  "LDR R2, =new_sa\n"
282  "LDR R2, [R2]\n"
283  );
284  asm volatile (
285  "STR R12, [SP]\n"
286  "STR R4, [SP,#4]\n"
287  "BL sub_FFAC700C\n" // kernelInit
288  "ADD SP, SP, #8\n"
289  "LDMFD SP!, {R4,PC}\n"
290  );
291 }
void h_usrRoot ( )

Definiert in Zeile 294 der Datei boot.c.

295 {
296  asm volatile (
297  "STMFD SP!, {R4,R5,LR}\n"
298  "MOV R5, R0\n"
299  "MOV R4, R1\n"
300  "BL sub_FF811AA8\n"
301  "MOV R1, R4\n"
302  "MOV R0, R5\n"
303  "BL sub_FFABD73C\n" // memInit
304  "MOV R1, R4\n"
305  "MOV R0, R5\n"
306  "BL sub_FFABE1B4\n" // memPartLibInit
307  //"BL sub_FF8118C0\n" //nullsub_1
308  "BL sub_FF8117DC\n"
309  "MOV R0, #0x32\n"
310  "BL sub_FFAC0158\n" // selectInit
311  "BL sub_FF811AEC\n"
312  "BL sub_FF811ACC\n"
313  "BL sub_FF811B18\n"
314  "BL sub_FFABFA18\n" // selTaskDeleteHookAdd
315  "BL sub_FF811A9C\n"
316  );
317 
318  _taskCreateHookAdd(createHook);
319  _taskDeleteHookAdd(deleteHook);
320 
321  drv_self_hide();
322 
323  asm volatile (
324  "LDMFD SP!, {R4,R5,LR}\n"
325  "B sub_FF811444\n"
326  );
327 }
void ont ( void  )

Definiert in Zeile 15 der Datei boot.c.

15  {
16  *ledA=0x46;
17 }

Variablen-Dokumentation

long* ledA =(long*)0xC02200EC

Definiert in Zeile 13 der Datei boot.c.

const char* const new_sa = &_end

Definiert in Zeile 5 der Datei boot.c.

long wrs_kernel_bss_end
long wrs_kernel_bss_start