CHDK_DE Vorschauversion  Trunk Rev. 5211
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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  // char *dst = dst_void;
17  // const char *src = src_void;
18  long *dst = (long*)MEMISOSTART;
19  const long *src = blob_chdk_core;
20  long length = (blob_chdk_core_size + 3) >> 2;
21 
22  core_copy(src, dst, length);
23 
24  }
25 
26 
27  //DEBUG: blink again
28  //counter = DELAY; *p = 0x46; while (counter--) { asm("nop\n nop\n"); };
29  //counter = DELAY; *p = 0x44; while (counter--) { asm("nop\n nop\n"); };
30 
31  // DEBUG: jump to regular firmware-boot (causing a boot loop)
32  //dst_void = (void*) 0xFFC00000;
33 
34  // resetcode here:
35  asm volatile (
36  "MRS R0, CPSR\n"
37  "BIC R0, R0, #0x3F\n"
38  "ORR R0, R0, #0xD3\n"
39  "MSR CPSR, R0\n"
40  "LDR R1, =0xC0200000\n"
41  "MOV R0, #0xFFFFFFFF\n"
42  "STR R0, [R1,#0x10C]\n"
43  "STR R0, [R1,#0xC]\n"
44  "STR R0, [R1,#0x1C]\n"
45  "STR R0, [R1,#0x2C]\n"
46  "STR R0, [R1,#0x3C]\n"
47  "STR R0, [R1,#0x4C]\n"
48  "STR R0, [R1,#0x5C]\n"
49  "STR R0, [R1,#0x6C]\n"
50  "STR R0, [R1,#0x7C]\n"
51  "STR R0, [R1,#0x8C]\n"
52  "STR R0, [R1,#0x9C]\n"
53  "STR R0, [R1,#0xAC]\n"
54  "STR R0, [R1,#0xBC]\n"
55  "STR R0, [R1,#0xCC]\n"
56  "STR R0, [R1,#0xDC]\n"
57  "STR R0, [R1,#0xEC]\n"
58  "CMP R4, #7\n"
59  "STR R0, [R1,#0xFC]\n"
60  "LDMEQFD SP!, {R4,PC}\n"
61  "MOV R0, #0x78\n"
62  "MCR p15, 0, R0,c1,c0\n"
63  "MOV R0, #0\n"
64  "MCR p15, 0, R0,c7,c10, 4\n"
65  "MCR p15, 0, R0,c7,c5\n"
66  "MCR p15, 0, R0,c7,c6\n"
67  "MOV R0, #0x40000006\n"
68  "MCR p15, 0, R0,c9,c1\n"
69  "MCR p15, 0, R0,c9,c1, 1\n"
70  "MRC p15, 0, R0,c1,c0\n"
71  "ORR R0, R0, #0x50000\n"
72  "MCR p15, 0, R0,c1,c0\n"
73  "LDR R0, =0x12345678\n"
74  "MOV R1, #0x40000000\n"
75  "STR R0, [R1,#0xFFC]\n"
76  //"LDR R0, =0xFFC00000\n" // original jump-vector
77  "MOV R0, %0\n" // new jump-vector
78  "LDMFD SP!, {R4,LR}\n"
79  //"BX %0\n"
80  "BX R0\n"
81  : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4");
82  //);
83 
84  while(1);
85 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size