CHDK_DE Vorschauversion  Trunk Rev. 5456
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main.c-Dateireferenz
+ Include-Abhängigkeitsdiagramm für main.c:

gehe zum Quellcode dieser Datei

Funktionen

void __attribute__ ((noreturn))
 
void __attribute__ ((naked, noinline))
 

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 - verified
17 /*
18  *(volatile int*)0xd20b0994 = 0x4d0002;
19  // blinker
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  // on G7X allows boot on short press without fiddling variables in startup code
38  // not tried on sx730
39 // *(volatile unsigned *)(0x4ffc)=0x12345678;
40  asm volatile (
41  "mov r1, %1\n"
42  "mov r0, %0\n"
43 // "ldr r2, =0xfc0db23f\n" // function called in startup after ROM->RAM code copy, sx730 100d
44 // "blx r2\n"
45  "bl cache_func_my\n" // different address on 100c, copied inline
46  // start execution at MEMISOSTART in thumb mode
47  "mov r0, %0\n"
48  "add r0, r0, #1\n"
49  "bx r0\n"
50  : : "r"(MEMISOSTART), "r"(((blob_chdk_core_size+3)>>2)<<2) : "memory","r0","r1","r2","r3","r4"
51  );
52  while(1);
53 }
void __attribute__ ( (naked, noinline)  )

Definiert in Zeile 55 der Datei main.c.

55  {
56  asm volatile (
57 " cmp.w r1, #0x4000\n"
58 " bhs loc_fc0db260\n"
59 " dsb sy\n"
60 " add r1, r0\n"
61 " bic r0, r0, #0x1f\n"
62 "loc_fc0db24e:\n"
63 " mcr p15, #0, r0, c7, c10, #1\n"
64 " add.w r0, r0, #0x20\n"
65 " cmp r0, r1\n"
66 " blo loc_fc0db24e\n"
67 " dsb sy\n"
68 " bx lr\n"
69 "loc_fc0db260:\n"
70 " dsb sy\n"
71 " mov.w r1, #0\n"
72 "loc_fc0db268:\n"
73 " mov.w r0, #0\n"
74 "loc_fc0db26c:\n"
75 " orr.w r2, r1, r0\n"
76 " mcr p15, #0, r2, c7, c10, #2\n"
77 " add.w r0, r0, #0x20\n"
78 " cmp.w r0, #0x1000\n"
79 " bne loc_fc0db26c\n"
80 " add.w r1, r1, #0x40000000\n"
81 " cmp r1, #0\n"
82 " bne loc_fc0db268\n"
83 " dsb sy\n"
84 " bx lr\n"
85 ".ltorg\n"
86  );
87 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size