root/loader/ixus40_sd300/main.c

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DEFINITIONS

This source file includes following definitions.
  1. my_restart

   1 #include "../generic/check_compat.c"
   2 
   3 // static void __attribute__((noreturn)) shutdown();
   4 // static void __attribute__((noreturn)) panic(int cnt);
   5 
   6 extern long *blob_chdk_core;
   7 // extern long *blob_copy_and_reset;
   8 extern long blob_chdk_core_size;
   9 // extern long blob_copy_and_reset_size;
  10 
  11 
  12 
  13 void __attribute__((noreturn)) my_restart() 
  14 {
  15   {
  16   // char *dst = dst_void;
  17   // const char *src = src_void;
  18   long *dst = (long*)MEMISOSTART;
  19   const long *src = blob_chdk_core;
  20   long length = (blob_chdk_core_size + 3) >> 2;
  21 
  22   core_copy(src, dst, length);
  23 
  24 }
  25 
  26   asm volatile(
  27         "MRS     R1, CPSR\n"
  28         "BIC     R1, R1, #0x3F\n"
  29         "ORR     R1, R1, #0xD3\n"
  30         "MSR     CPSR_cf, R1\n"
  31 
  32         "LDR     R2, =0xC0200000\n"
  33         "MOV     R1, #0xFFFFFFFF\n"
  34         "STR     R1, [R2,#0x10C]\n"
  35         "STR     R1, [R2,#0xC]\n"
  36         "STR     R1, [R2,#0x1C]\n"
  37         "STR     R1, [R2,#0x2C]\n"
  38         "STR     R1, [R2,#0x3C]\n"
  39         "STR     R1, [R2,#0x4C]\n"
  40         "STR     R1, [R2,#0x5C]\n"
  41         "STR     R1, [R2,#0x6C]\n"
  42         "STR     R1, [R2,#0x7C]\n"
  43         "STR     R1, [R2,#0x8C]\n"
  44         "STR     R1, [R2,#0x9C]\n"
  45         "STR     R1, [R2,#0xAC]\n"
  46         "STR     R1, [R2,#0xBC]\n"
  47         "STR     R1, [R2,#0xCC]\n"
  48         "STR     R1, [R2,#0xDC]\n"
  49         "STR     R1, [R2,#0xEC]\n"
  50         "STR     R1, [R2,#0xFC]\n"
  51 
  52 //#if 0
  53         "MOV     R1, #0x78\n"
  54         "MCR     p15, 0, R1,c1,c0\n"
  55         "MOV     R1, #0\n"
  56         "MCR     p15, 0, R1,c7,c10, 4\n"
  57         "MCR     p15, 0, R1,c7,c5\n"
  58         "MCR     p15, 0, R1,c7,c6\n"
  59         "MOV     R2, #0x40000000\n"
  60         "ORR     R1, R2, #6\n"
  61         "MCR     p15, 0, R1,c9,c1\n"
  62         "ORR     R1, R1, #6\n"
  63         "MCR     p15, 0, R1,c9,c1, 1\n"
  64         "MRC     p15, 0, R1,c1,c0\n"
  65         "ORR     R1, R1, #0x50000\n"
  66         "MCR     p15, 0, R1,c1,c0\n"
  67 
  68         "LDR     R2, =0x12345678\n"
  69         "MOV     R3, #0xFF0\n"
  70         "ADD     R3, R3, #0x4000000C\n"
  71         "STR     R2, [R3]\n"
  72 //#endif
  73 
  74         "MOV     SP, #0x1900\n"
  75         "MOV     LR, PC\n"
  76         "MOV     PC, %0\n"
  77     : : "r"(MEMISOSTART) : "memory","r1","r2","r3");
  78 
  79     while(1);
  80 }
  81 
  82 // #define LED_PR 0xc02200E8
  83 // 
  84 // static void __attribute__((noreturn)) shutdown()
  85 // {
  86 //     volatile long *p = (void*)0xc022002c;
  87 //         
  88 //     asm(
  89 //          "MRS     R1, CPSR\n"
  90 //          "AND     R0, R1, #0x80\n"
  91 //          "ORR     R1, R1, #0x80\n"
  92 //          "MSR     CPSR_cf, R1\n"
  93 //          :::"r1","r0");
  94 //         
  95 //     *p = 0x44;
  96 // 
  97 //     while(1);
  98 // }
  99 // 
 100 // 
 101 // static void __attribute__((noreturn)) panic(int cnt)
 102 // {
 103 //      volatile long *p=(void*)LED_PR;
 104 //      volatile long *p2;p2=(void*) 0xc02200D8;*p2=0;
 105 //      int i;
 106 // 
 107 //      for(;cnt>0;cnt--){
 108 //              p[0]=0x46;
 109 //              *p2=0;
 110 // 
 111 //              for(i=0;i<0x200000;i++){
 112 //                      asm ("nop\n");
 113 //                      asm ("nop\n");
 114 //              }
 115 //              p[0]=0x44;
 116 //              *p2=0x46;
 117 //              for(i=0;i<0x200000;i++){
 118 //                      asm ("nop\n");
 119 //                      asm ("nop\n");
 120 //              }
 121 //      }
 122 //      shutdown();
 123 // }

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