CHDK_DE Vorschauversion  Trunk Rev. 6014
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main.c-Dateireferenz
+ Include-Abhängigkeitsdiagramm für main.c:

gehe zum Quellcode dieser Datei

Funktionen

void __attribute__ ((noreturn))
 

Variablen

long * blob_chdk_core
 
long blob_chdk_core_size
 

Dokumentation der Funktionen

void __attribute__ ( (noreturn)  )

Definiert in Zeile 13 der Datei main.c.

14 {
15 
16  {
17  // char *dst = dst_void;
18  // const char *src = src_void;
19  long *dst = (long*)MEMISOSTART;
20  const long *src = blob_chdk_core;
21  long length = (blob_chdk_core_size + 3) >> 2;
22 
23  core_copy(src, dst, length);
24 
25  }
26 
27  // DEBUG: jump to regular firmware-boot (causing a boot loop)
28  //dst_void = (void*) 0xFF810000;
29 
30  //IXUS220HS found at FF83D8F0
31  asm volatile (
32  "LDR R1, =0xC0200000\n"
33  "MVN R0, #0\n"
34  "STR R0, [R1,#0x10C]\n"
35  "STR R0, [R1,#0xC]\n"
36  "STR R0, [R1,#0x1C]\n"
37  "STR R0, [R1,#0x2C]\n"
38  "STR R0, [R1,#0x3C]\n"
39  "STR R0, [R1,#0x4C]\n"
40  "STR R0, [R1,#0x5C]\n"
41  "STR R0, [R1,#0x6C]\n"
42  "STR R0, [R1,#0x7C]\n"
43  "STR R0, [R1,#0x8C]\n"
44  "STR R0, [R1,#0x9C]\n"
45  "STR R0, [R1,#0xAC]\n"
46  "STR R0, [R1,#0xBC]\n"
47  "STR R0, [R1,#0xCC]\n"
48  "STR R0, [R1,#0xDC]\n"
49  "STR R0, [R1,#0xEC]\n"
50 // "CMP R4, #7\n"
51  "STR R0, [R1,#0xFC]\n"
52  //"LDMEQFD SP!, {R4,PC}\n"
53  "MOV R0, #0x78\n"
54  "MCR p15, 0, R0,c1,c0\n"
55  "MOV R0, #0\n"
56  "MCR p15, 0, R0,c7,c10, 4\n"
57  "MCR p15, 0, R0,c7,c5\n"
58  "MCR p15, 0, R0,c7,c6\n"
59  "MOV R0, #0x80000006\n"
60  "MCR p15, 0, R0,c9,c1\n"
61  "MCR p15, 0, R0,c9,c1, 1\n"
62  "MRC p15, 0, R0,c1,c0\n"
63  "ORR R0, R0, #0x50000\n"
64  "MCR p15, 0, R0,c1,c0\n"
65  "LDR R0, =0x12345678\n"
66  "MOV R1, #0x80000000\n"
67  "STR R0, [R1,#0xFFC]\n"
68  //"LDR R0, =0xFF810000\n" //original jump-vector
69  "MOV R0, %0\n" //new jump-vector
70 // "LDMFD SP!, {R4,LR}\n"
71  "BX R0\n"
72  : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"
73  );
74  while(1);
75 
76 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size