loader/sx50hs/main.c

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This source file includes following definitions.
my_restart
   1 #include "../generic/check_compat.c"
   2 
   3 extern long *blob_chdk_core;
   4 extern long blob_chdk_core_size;
   5 
   6 void __attribute__((noreturn)) my_restart() 
   7 {
   8 
   9         long *dst = (long*)MEMISOSTART;
  10     const long *src = blob_chdk_core;
  11     long length = (blob_chdk_core_size + 3) >> 2;
  12 
  13   core_copy(src, dst, length);
  14 
  15 // resetcode here:
  16         // SX50 100b @FF022150
  17         asm volatile (
  18         "LDR     R1, =0xC0200000\n"
  19         //"MOV     R0, 0xFFFFFFFF\n"
  20                 "MVN     R0, #0\n"
  21         "STR     R0, [R1,#0x10C]\n"
  22         "STR     R0, [R1,#0xC]\n"
  23         "STR     R0, [R1,#0x1C]\n"
  24         "STR     R0, [R1,#0x2C]\n"
  25         "STR     R0, [R1,#0x3C]\n"
  26         "STR     R0, [R1,#0x4C]\n"
  27         "STR     R0, [R1,#0x5C]\n"
  28         "STR     R0, [R1,#0x6C]\n"
  29         "STR     R0, [R1,#0x7C]\n"
  30         "STR     R0, [R1,#0x8C]\n"
  31         "STR     R0, [R1,#0x9C]\n"
  32         "STR     R0, [R1,#0xAC]\n"
  33         "STR     R0, [R1,#0xBC]\n"
  34         "STR     R0, [R1,#0xCC]\n"
  35         "STR     R0, [R1,#0xDC]\n"
  36         "STR     R0, [R1,#0xEC]\n"
  37         "CMP     R4, #7\n"
  38         "STR     R0, [R1,#0xFC]\n"
  39         //"LDMEQFD SP!, {R4,PC}\n"
  40         "MOV     R0, #0x78 \n"
  41         "MCR     p15, 0, R0,c1,c0\n"
  42         "MOV     R0, #0\n"
  43         "MCR     p15, 0, R0,c7,c10, 4\n"
  44         "MCR     p15, 0, R0,c7,c5\n"
  45         "MCR     p15, 0, R0,c7,c6\n"
  46         "MOV     R0, #0x80000006\n"
  47         "MCR     p15, 0, R0,c9,c1\n"
  48         "MCR     p15, 0, R0,c9,c1, 1\n"
  49         "MRC     p15, 0, R0,c1,c0\n"
  50         "ORR     R0, R0, #0x50000\n"
  51         "MCR     p15, 0, R0,c1,c0\n"
  52         "LDR     R0, =0x12345678\n"
  53         "MOV     R1, #0x80000000\n"
  54         "STR     R0, [R1,#0xFFC]\n"
  55         //"LDMFD   SP!, {R4,LR}\n"
  56                 "MOV     R0, %0\n"  //new jump-vector           
  57         //"MOV     R0, #0xFF000000\n"
  58         "BX      R0\n"
  59          : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"
  60         );
  61     while(1);
  62 }
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root/loader/sx50hs/main.c

DEFINITIONS
