CHDK_DE Vorschauversion  Trunk Rev. 5163
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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 9 der Datei main.c.

10 {
11  {
12  long *dst = (long*)MEMISOSTART;
13  const long *src = blob_chdk_core;
14  long length = (blob_chdk_core_size + 3) >> 2;
15 
16  core_copy(src, dst, length);
17 
18  }
19 
20  //DEBUG: blink again
21  // counter = DELAY; *p = 0x46; while (counter--) { asm("nop\n nop\n"); };
22  //counter = DELAY; *p = 0x44; while (counter--) { asm("nop\n nop\n"); };
23 
24  // DEBUG: jump to regular firmware-boot (causing a boot loop)
25  //dst_void = (void*) 0xFF810000;
26 
27  // resetcode here:
28  asm volatile (
29  "MRS R0, CPSR\n"
30  "BIC R0, R0, #0x3F\n"
31  "ORR R0, R0, #0xD3\n"
32  "MSR CPSR, R0\n"
33  "LDR R1, =0xC0200000\n"
34  "MOV R0, #0xFFFFFFFF\n"
35  "STR R0, [R1,#0x10C]\n"
36  "STR R0, [R1,#0xC]\n"
37  "STR R0, [R1,#0x1C]\n"
38  "STR R0, [R1,#0x2C]\n"
39  "STR R0, [R1,#0x3C]\n"
40  "STR R0, [R1,#0x4C]\n"
41  "STR R0, [R1,#0x5C]\n"
42  "STR R0, [R1,#0x6C]\n"
43  "STR R0, [R1,#0x7C]\n"
44  "STR R0, [R1,#0x8C]\n"
45  "STR R0, [R1,#0x9C]\n"
46  "STR R0, [R1,#0xAC]\n"
47  "STR R0, [R1,#0xBC]\n"
48  "STR R0, [R1,#0xCC]\n"
49  "STR R0, [R1,#0xDC]\n"
50  "STR R0, [R1,#0xEC]\n"
51  "CMP R4, #7\n"
52  "STR R0, [R1,#0xFC]\n"
53  "LDMEQFD SP!, {R4,PC}\n"
54  "MOV R0, #0x78\n"
55  "MCR p15, 0, R0,c1,c0\n"
56  "MOV R0, #0\n"
57  "MCR p15, 0, R0,c7,c10, 4\n"
58  "MCR p15, 0, R0,c7,c5\n"
59  "MCR p15, 0, R0,c7,c6\n"
60  "MOV R0, #0x40000006\n"
61  "MCR p15, 0, R0,c9,c1\n"
62  "MCR p15, 0, R0,c9,c1, 1\n"
63  "MRC p15, 0, R0,c1,c0\n"
64  "ORR R0, R0, #0x50000\n"
65  "MCR p15, 0, R0,c1,c0\n"
66  "LDR R0, =0x12345678\n"
67  "MOV R1, #0x40000000\n"
68  "STR R0, [R1,#0xFFC]\n"
69  //"LDR R0, =0xFF810000\n" // original jump-vector
70  "MOV R0, %0\n" // new jump-vector
71  "LDMFD SP!, {R4,LR}\n"
72  //"BX %0\n"
73  "BX R0\n"
74  : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4");
75 
76  while(1);
77 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size