CHDK_DE Vorschauversion  Trunk Rev. 5541
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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 boot ()
 
void __attribute__ ((naked, noinline))
 *-------------------------------------------------------------------— Mehr ...
 

Variablen

const char *const new_sa = &_end
 

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

__MovieRecorder_c__100

__MovieRecorder_c__100

Definiert in Zeile 16 der Datei boot.c.

21 {
22  long *canon_data_src = (void*)0xffae8270; // This is the address of the "Startofdata"-4 string on the firmware
23  long *canon_data_dst = (void*)MEMBASEADDR; // This is where the boot data is copiedduring firmware update
24  long canon_data_len = 0xE7D0; // This is the length of data from "Startofdata" to the end of the firmware dump
25  long *canon_bss_start = (void*) (canon_data_len + MEMBASEADDR); // = 0xEB60 + 0x1900, just after data
26  long canon_bss_len = MEMISOSTART - (long) canon_bss_start; // The original address of h_usrKernelInit - bss start
27  long i;
28 
29  asm volatile (
30  "MRC p15, 0, R0,c1,c0\n"
31  "ORR R0, R0, #0x1000\n"
32  "ORR R0, R0, #4\n"
33  "ORR R0, R0, #1\n"
34  "MCR p15, 0, R0,c1,c0\n"
35  :::"r0");
36 
37 
38  for(i=0;i<canon_data_len/4;i++)
39  canon_data_dst[i]=canon_data_src[i];
40 
41  for(i=0;i<canon_bss_len/4;i++)
42  canon_bss_start[i]=0;
43 
44  asm volatile (
45  "MRC p15, 0, R0,c1,c0\n"
46  "ORR R0, R0, #0x1000\n"
47  "BIC R0, R0, #4\n"
48  "ORR R0, R0, #1\n"
49  "MCR p15, 0, R0,c1,c0\n"
50  :::"r0");
51 
52  h_usrInit();
53 }
void boot ( )

Definiert in Zeile 43 der Datei boot.c.

43  {
44 
45  long *canon_data_src = (void*)0xFFEDAC70; // value taken at ROM:FFC00188
46  long *canon_data_dst = (void*)0x1900;
47  long canon_data_len = 0xDF84 - 0x1900; // data_end - data_start 0xDF7C taken at ROM:FFC00138
48  long *canon_bss_start = (void*)0xDF84; // just after data
49  long canon_bss_len = 0xD4F38 - 0xDF84; // d4ec8 taken at ROM:FFC00FB4
50 
51  long i;
52 
53  // enable caches and write buffer...
54  // this is a carryover from old dryos ports, may not be useful
55  asm volatile (
56  "MRC p15, 0, R0,c1,c0\n"
57  "ORR R0, R0, #0x1000\n"
58  "ORR R0, R0, #4\n"
59  "ORR R0, R0, #1\n"
60  "MCR p15, 0, R0,c1,c0\n"
61  :::"r0"
62  );
63 
64  for(i=0;i<canon_data_len/4;i++)
65  canon_data_dst[i]=canon_data_src[i];
66 
67  for(i=0;i<canon_bss_len/4;i++)
68  canon_bss_start[i]=0;
69 
70  asm volatile ("B sub_FFC001A4_my\n");
71 };
void createHook ( void *  pNewTcb)

Definiert in Zeile 102 der Datei main.c.

103 {
104  char *name = (char*)(*(long*)((char*)pNewTcb+0x34));
105  long *entry = (long*)((char*)pNewTcb+0x74);
106 
107  // always hook first task creation
108  // to create SpyProc
109  if (!stop_hooking){
110  task_prev = (void*)(*entry);
111  *entry = (long)task_start_hook;
112  stop_hooking = 1;
113  } else {
114  // hook/replace another tasks
115  if (my_ncmp(name, "tPhySw", 6) == 0){
116  *entry = (long)physw_hook;
117  }
118 
119  if (my_ncmp(name, "tInitFileM", 10) == 0){
120  init_file_modules_prev = (void*)(*entry);
121 #if CAM_MULTIPART
122  *entry = (long)init_file_modules_task;
123 #else
124  *entry = (long)init_file_modules_hook;
125 #endif
126  }
127 
128  if (my_ncmp(name, "tCaptSeqTa", 10) == 0){
129  *entry = (long)capt_seq_hook;
130  }
131 
132 #if CAM_CHDK_HAS_EXT_VIDEO_MENU
133  if (my_ncmp(name, "tMovieReco", 10) == 0){
134  *entry = (long)movie_record_hook;
135  }
136 #endif
137 
138 #if CAM_EXT_TV_RANGE
139  if (my_ncmp(name, "tExpDrvTas", 10) == 0){
140  *entry = (long)exp_drv_task;
141  }
142 #endif
143 
144 #if CAM_HAS_FILEWRITETASK_HOOK
145  if (my_ncmp(name, "tFileWrite", 10) == 0){
146  *entry = (long)filewritetask;
147  }
148 #endif
149 
150 // for cameras that have a "touch control dial" with 'TouchW' task.
151 // some cameras may use a different task name
152 #ifdef HOOK_TOUCHW
153  if (my_ncmp(name, "tTouchW", 7) == 0){
154  *entry = (long)my_touchw_task;
155  }
156 #endif
157 
158  core_hook_task_create(pNewTcb);
159  }
160 }
void deleteHook ( void *  pTcb)

Definiert in Zeile 162 der Datei main.c.

163 {
164  core_hook_task_delete(pTcb);
165 }

Variablen-Dokumentation

const char* const new_sa = &_end

Definiert in Zeile 11 der Datei boot.c.