CHDK_DE Vorschauversion  Trunk Rev. 5215
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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 7 der Datei main.c.

8 {
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 // restart function
17  // from sub_ff0395d4 via 0x12345678
18 
19 //
20 
21 
22  asm volatile (
23  "MRS R0, CPSR\n"
24  "BIC R0, R0, #0x3F\n"
25  "ORR R0, R0, #0xD3\n"
26  "MSR CPSR, R0\n"
27 
28  "MOV R0, #0x78\n" //**** <- 0xff0395d4
29  "MCR p15, 0, R0,c1,c0\n" // disable caches and TCM
30  "MOV R0, #0\n"
31  "MCR p15, 0, R0,c7,c10, 4\n" // drain write buffer
32  "MCR p15, 0, R0,c7,c5\n" // flush instruction cache
33  "MCR p15, 0, R0,c7,c6\n" // flushd data cache
34  "MOV R0, #0x80000006\n"
35  "MCR p15, 0, R0,c9,c1\n" // set data TCM at 0x80000000, 4kb
36  "MCR p15, 0, R0,c9,c1, 1\n" // instruction TCM (DDIO201D says should only write zero as base ...)
37  "MRC p15, 0, R0,c1,c0\n" // read control state
38  "ORR R0, R0, #0x50000\n" // enable both TCM
39  "MCR p15, 0, R0,c1,c0\n"
40  "LDR R0, =0x12345678\n" // marker value stored in TCM
41  "MOV R1, #0x80000000\n"
42  "STR R0, [R1,#0xFFC]\n" //***** <- 0xff03960c
43 
44  "mov R0, %0\n" // change jump address (was 0xFF000000)
45  "BX R0\n" //**** <- 0xff039618
46 
47  : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4");
48 
49  while(1);
50 }

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size