CHDK_DE Vorschauversion  Trunk Rev. 5216
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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 6 der Datei main.c.

7 {
8  check_compat();
9 
10  long *dst = (long*)MEMISOSTART;
11  const long *src = blob_chdk_core;
12  long length = (blob_chdk_core_size + 3) >> 2;
13 
14  core_copy(src, dst, length);
15 
16  // light up green LED
17  *(volatile int*)0xd20b0994 = 0x4d0002;
18  // blinker
19  /*
20  while(1) {
21  int i;
22  *(volatile int*)0xd20b0994 = 0x4d0002;
23  for(i=0;i<1000000;i++) {
24  asm volatile(
25  "nop\n"
26  );
27  }
28  *(volatile int*)0xd20b0994 = 0x4c0003;
29  for(i=0;i<1000000;i++) {
30  asm volatile(
31  "nop\n"
32  );
33  }
34  }
35  */
36 
37  // allows boot on short press without fiddling sub_fc075b56 values or modifying/replacing sub_fc0781f4 (100d addresses)
38  // not clear why not set after DISKBOOT.BIN reboot
39  *(volatile unsigned *)(0x4ffc)=0x12345678;
40 // Restart appears to be fc0bd9de (refs to 12345678, fc020001,)
41 // similar to sx280 fc095c40, but cp15 manipulation does not appear to be the same
42 // fc157748 called at equivalent location does some, but not equivalent to sx280 code
43  asm volatile (
44  "mov r1, %1\n"
45  "mov r0, %0\n"
46  "ldr r2, =0xfc133daf\n" // based on sx280, identical in 100b, 100c and 100d. function called in startup after ROM->RAM code copy
47  "blx r2\n" // doesn't appear to flush/clean instruction cache?
48 
49  // start execution at MEMISOSTART in thumb mode
50  "mov r0, %0\n"
51  "add r0, r0, #1\n"
52  "bx r0\n"
53  : : "r"(MEMISOSTART), "r"(((blob_chdk_core_size+3)>>2)<<2) : "memory","r0","r1","r2","r3","r4"
54  );
55  while(1);
56 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size