CHDK_DE Vorschauversion  Trunk Rev. 6014
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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 ...
 
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
 

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.

23 {
24  asm volatile (
25  "LDR R4, =0x10390\n"
26  "LDR R1, [R4,#0x30]\n"
27  "TST R1, #0x8000\n"
28  "BEQ loc_FF829394\n"
29  "MOV R1, #0\n"
30  "MOV R0, #0xF\n"
31  "MOV R2, #0x8000\n"
32  "BL sub_FF829978\n"
33  "LDR R3, [R4,#0x30]\n"
34  "BIC R3, R3, #0x8000\n"
35  "STR R3, [R4,#0x30]\n"
36  "MOV R1, R3\n"
37  "loc_FF829394:\n"
38  "TST R1, #1\n"
39  "BEQ loc_FF8293BC\n"
40  "MOV R0, #0\n"
41  "MOV R1, R0\n"
42  "MOV R2, R5\n"
43  "BL sub_FF829978\n"
44  "LDR R3, [R4,#0x30]\n"
45  "BIC R3, R3, #1\n"
46  "STR R3, [R4,#0x30]\n"
47  "MOV R1, R3\n"
48  "loc_FF8293BC:\n"
49  "TST R1, #2\n"
50  "BEQ loc_FF8293E4\n"
51  "MOV R1, #0\n"
52  "MOV R0, R5\n"
53  "MOV R2, #2\n"
54  "BL sub_FF829978\n"
55  "LDR R3, [R4,#0x30]\n"
56  "BIC R3, R3, #2\n"
57  "STR R3, [R4,#0x30]\n"
58  "MOV R1, R3\n"
59  "loc_FF8293E4:\n"
60  "LDR R3, [R4,#0x34]\n"
61  "LDR R2, [R4,#0x38]\n"
62  "ADD R3, R1, R3\n"
63  "CMN R3, R2\n"
64  "BEQ loc_FF8293FC\n"
65  "BL sub_FF8299D8\n"
66  "loc_FF8293FC:\n"
67  "LDR R3, =0x1FC0\n"
68  "LDR R1, [R3]\n"
69  "CMP R1, #1\n"
70  "BNE loc_FF829418\n"
71  "MOV R0, #0x28\n"
72  "MOV R2, #0x100\n"
73  "BL sub_FF829978\n"
74  "loc_FF829418:\n"
75  "LDR R3, =0x1038C\n"
76  "LDR R0, [R3]\n"
77  "CMP R0, #1\n"
78  "BNE loc_FF829440\n"
79  "MOV R3, #0x30\n"
80  "STRH R3, [SP,#2]\n"
81  "MOV R1, R6\n"
82  "LDR R3, =0x103F0\n"
83  "MOV LR, PC\n"
84  "LDR PC, [R3]\n"
85  "loc_FF829440:\n"
86  "BL sub_FF82A37C\n"
87  "B mykbd_task_proceed_2\n"
88  );
89 }
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 128 der Datei boot.c.

129 {
130  asm volatile (
131  "STR LR, [SP,#-4]!\n"
132  "BL sub_FF811A40\n"
133  "MOV R0, #2\n"
134  "MOV R1, R0\n"
135  "BL sub_FFAEF9E0\n"
136  "BL sub_FFADC0B8\n"
137  "BL sub_FF811298\n"
138  "BL sub_FF811800\n"
139  "LDR LR, [SP],#4\n"
140  "B h_usrKernelInit\n"
141  );
142 }
void h_usrKernelInit ( )

Definiert in Zeile 144 der Datei boot.c.

145 {
146  asm volatile (
147  "STMFD SP!, {R4,LR}\n"
148  "SUB SP, SP, #8\n"
149  "BL sub_FFAEFEE0\n"
150  "BL sub_FFB026EC\n"
151  "LDR R3, =0xE8E4\n"
152  "LDR R2, =0x6A2C0\n"
153  "LDR R1, [R3]\n"
154  "LDR R0, =0x6E910\n"
155  "MOV R3, #0x100\n"
156  "BL sub_FFAFE01C\n"
157  "LDR R3, =0xE8A4\n"
158  "LDR R0, =0xECC4\n"
159  "LDR R1, [R3]\n"
160  "BL sub_FFAFE01C\n"
161  "LDR R3, =0xE960\n"
162  "LDR R0, =0x6E8E4\n"
163  "LDR R1, [R3]\n"
164  "BL sub_FFAFE01C\n"
165  "BL sub_FFB0726C\n"
166  "BL sub_FF811384\n"
167  "MOV R4, #0\n"
168  "MOV R3, R0\n"
169  "MOV R12, #0x800\n"
170  "LDR R0, =h_usrRoot\n"
171  "MOV R1, #0x4000\n"
172  );
173 // "LDR R2, =0x9EF50\n" // 0x6EF50 + 0x30000
174  asm volatile (
175  "LDR R2, =new_sa\n"
176  "LDR R2, [R2]\n"
177  );
178  asm volatile (
179  "STR R12, [SP]\n"
180  "STR R4, [SP,#4]\n"
181  "BL sub_FFAFF92C\n"
182  "ADD SP, SP, #8\n"
183  "LDMFD SP!, {R4,PC}\n"
184  );
185 }
void h_usrRoot ( )

Definiert in Zeile 189 der Datei boot.c.

190 {
191  asm volatile (
192  "STMFD SP!, {R4,R5,LR}\n"
193  "MOV R5, R0\n"
194  "MOV R4, R1\n"
195  "BL sub_FF811AA8\n"
196  "MOV R1, R4\n"
197  "MOV R0, R5\n"
198  "BL sub_FFAF605C\n"
199  "MOV R1, R4\n"
200  "MOV R0, R5\n"
201  "BL sub_FFAF6AD4\n"
202  "BL sub_FF8118C0\n"
203  "BL sub_FF8117DC\n"
204  "MOV R0, #0x32\n"
205  "BL sub_FFAF8A78\n"
206  "BL sub_FF811AEC\n"
207  "BL sub_FF811ACC\n"
208  "BL sub_FF811B18\n"
209  "BL sub_FFAF8338\n"
210  "BL sub_FF811A9C\n"
211  );
212 
215 
216  drv_self_hide();
217 
218  asm volatile (
219  "LDMFD SP!, {R4,R5,LR}\n"
220  "B sub_FF811444\n"
221  );
222 }

Variablen-Dokumentation

const char* const new_sa = &_end

Definiert in Zeile 5 der Datei boot.c.

long wrs_kernel_bss_end
long wrs_kernel_bss_start