CHDK_DE Vorschauversion  Trunk Rev. 5232
 Alle Datenstrukturen Dateien Funktionen Variablen Typdefinitionen Aufzählungen Aufzählungswerte Makrodefinitionen
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  // DEBUG: blink led
16  /*
17  #define DP (void*)0xC02200d4 // direct-print (blue)
18  #define GREEN (void*)0xC0220134
19  #define DELAY 5000000
20 
21  volatile long *p = (void*)GREEN; // turned off later, so assumed to be power
22  int counter;
23 
24  counter = DELAY; *p = 0x46; while (counter--) { asm("nop\n nop\n"); };
25  counter = DELAY; *p = 0x44; while (counter--) { asm("nop\n nop\n"); };
26  */
27  {
28  // char *dst = dst_void;
29  // const char *src = src_void;
30  long *dst = (long*)MEMISOSTART;
31  const long *src = blob_chdk_core;
32  long length = (blob_chdk_core_size + 3) >> 2;
33 
34  core_copy(src, dst, length);
35 
36 }
37 
38  //DEBUG: blink again
39  //counter = DELAY; *p = 0x46; while (counter--) { asm("nop\n nop\n"); };
40  //counter = DELAY; *p = 0x44; while (counter--) { asm("nop\n nop\n"); };
41 
42  // resetcode here:
43  asm volatile (
44  "MRS R0, CPSR\n"
45  "BIC R0, R0, #0x3F\n"
46  "ORR R0, R0, #0xD3\n"
47  "MSR CPSR, R0\n"
48  "LDR R1, =0xC0200000\n"
49  "MOV R0, #0xFFFFFFFF\n"
50  "STR R0, [R1,#0x10C]\n"
51  "STR R0, [R1,#0xC]\n"
52  "STR R0, [R1,#0x1C]\n"
53  "STR R0, [R1,#0x2C]\n"
54  "STR R0, [R1,#0x3C]\n"
55  "STR R0, [R1,#0x4C]\n"
56  "STR R0, [R1,#0x5C]\n"
57  "STR R0, [R1,#0x6C]\n"
58  "STR R0, [R1,#0x7C]\n"
59  "STR R0, [R1,#0x8C]\n"
60  "STR R0, [R1,#0x9C]\n"
61  "STR R0, [R1,#0xAC]\n"
62  "STR R0, [R1,#0xBC]\n"
63  "STR R0, [R1,#0xCC]\n"
64  "STR R0, [R1,#0xDC]\n"
65  "STR R0, [R1,#0xEC]\n"
66  "CMP R4, #7\n"
67  "STR R0, [R1,#0xFC]\n"
68  "LDMEQFD SP!, {R4,PC}\n"
69  "MOV R0, #0x78\n"
70  "MCR p15, 0, R0,c1,c0\n"
71  "MOV R0, #0\n"
72  "MCR p15, 0, R0,c7,c10, 4\n"
73  "MCR p15, 0, R0,c7,c5\n"
74  "MCR p15, 0, R0,c7,c6\n"
75  "MOV R0, #0x40000006\n"
76  "MCR p15, 0, R0,c9,c1\n"
77  "MCR p15, 0, R0,c9,c1, 1\n"
78  "MRC p15, 0, R0,c1,c0\n"
79  "ORR R0, R0, #0x50000\n"
80  "MCR p15, 0, R0,c1,c0\n"
81  "LDR R0, =0x12345678\n"
82  "MOV R1, #0x40000000\n"
83  "STR R0, [R1,#0xFFC]\n"
84  //"LDR R0, =0xFF810000\n" // original jump-vector
85  "MOV R0, %0\n" // new jump-vector
86  "LDMFD SP!, {R4,LR}\n"
87  "BX R0\n"
88  : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4");
89 
90  while(1);
91 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size