root/loader/ixusw_sd430/main.c

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DEFINITIONS

This source file includes following definitions.
  1. 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     long *dst = (long*)MEMISOSTART;
   9     const long *src = blob_chdk_core;
  10     long length = (blob_chdk_core_size + 3) >> 2;
  11 
  12   core_copy(src, dst, length);
  13 
  14 
  15     //Ixus Wireless 100f found @ 0xff8252cc
  16     asm volatile(
  17 "    MRS     R1, CPSR \n"
  18 "    BIC     R1, R1, #0x3F \n"
  19 "    ORR     R1, R1, #0xD3 \n"
  20 "    MSR     CPSR_cxsf, R1 \n"
  21 "    LDR     R2, =0xC0200000 \n"
  22 "    MVN     R1, #0 \n"
  23 "    STR     R1, [R2, #0x10C] \n"
  24 "    STR     R1, [R2, #0xC] \n"
  25 "    STR     R1, [R2, #0x1C] \n"
  26 "    STR     R1, [R2, #0x2C] \n"
  27 "    STR     R1, [R2, #0x3C] \n"
  28 "    STR     R1, [R2, #0x4C] \n"
  29 "    STR     R1, [R2, #0x5C] \n"
  30 "    STR     R1, [R2, #0x6C] \n"
  31 "    STR     R1, [R2, #0x7C] \n"
  32 "    STR     R1, [R2, #0x8C] \n"
  33 "    STR     R1, [R2, #0x9C] \n"
  34 "    STR     R1, [R2, #0xAC] \n"
  35 "    STR     R1, [R2, #0xBC] \n"
  36 "    STR     R1, [R2, #0xCC] \n"
  37 "    STR     R1, [R2, #0xDC] \n"
  38 "    STR     R1, [R2, #0xEC] \n"
  39 "    STR     R1, [R2, #0xFC] \n"
  40 
  41 //"    CMP     R4, #7 \n"
  42 //"    LDMEQFD SP!, {R4,PC} \n"
  43 
  44 "    MOV     R1, #0x78 \n"
  45 "    MCR     p15, 0, R1, c1, c0 \n"
  46 "    MOV     R1, #0 \n"
  47 "    MCR     p15, 0, R1, c7, c10, 4 \n"
  48 "    MCR     p15, 0, R1, c7, c5 \n"
  49 "    MCR     p15, 0, R1, c7, c6 \n"
  50 "    MOV     R2, #0x40000000 \n"
  51 "    ORR     R1, R2, #6 \n"
  52 "    MCR     p15, 0, R1, c9, c1 \n"
  53 "    ORR     R1, R1, #6 \n"
  54 "    MCR     p15, 0, R1, c9, c1, 1 \n"
  55 "    MRC     p15, 0, R1, c1, c0 \n"
  56 "    ORR     R1, R1, #0x50000 \n"
  57 "    MCR     p15, 0, R1, c1, c0 \n"
  58 "    MOV     R3, #0xFF0 \n"
  59 "    LDR     R1, =0x12345678 \n"
  60 "    MOV     R2, #0x81000000 \n"
  61 "    ADD     R3, R3, #0x4000000C \n"
  62 "    STR     R1, [R3] \n"
  63 "    MOV     R2, R2, ASR#8 \n"
  64 
  65 // "    MOV     SP, #0x2000000 \n"
  66 "    MOV     SP, #0x1900\n"
  67 "    MOV     LR, PC \n"
  68 "    MOV     PC, %0\n" //+
  69 
  70 //"    MOV     PC, R2 \n"
  71 //"    LDMFD   SP!, {R4,PC} \n"
  72 
  73     : : "r"(MEMISOSTART) : "memory","r1","r2","r3");
  74     while(1);
  75 }

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