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 "LDR R1, =0xC0200000\n"
28 "MVN R0, #0\n"
29 "STR R0, [R1, #0x10C] \n"
30 "STR R0, [R1, #0xC] \n"
31 "STR R0, [R1, #0x1C] \n"
32 "STR R0, [R1, #0x2C] \n"
33 "STR R0, [R1, #0x3C] \n"
34 "STR R0, [R1, #0x4C] \n"
35 "STR R0, [R1, #0x5C] \n"
36 "STR R0, [R1, #0x6C] \n"
37 "STR R0, [R1, #0x7C] \n"
38 "STR R0, [R1, #0x8C] \n"
39 "STR R0, [R1, #0x9C] \n"
40 "STR R0, [R1, #0xAC] \n"
41 "STR R0, [R1, #0xBC] \n"
42 "STR R0, [R1, #0xCC] \n"
43 "STR R0, [R1, #0xDC] \n"
44 "STR R0, [R1, #0xEC] \n"
45 "CMP R4, #7 \n"
46 "STR R0, [R1, #0xFC] \n"
47 // "LDMEQFD SP!, {R4,PC} \n" //Commented in sx260hs and ELPH310 port
48 "MOV R0, #0x78 \n"
49 "MCR p15, 0, R0, c1, c0 \n"
50 "MOV R0, #0 \n"
51 "MCR p15, 0, R0, c7, c10, 4 \n"
52 "MCR p15, 0, R0, c7, c5 \n"
53 "MCR p15, 0, R0, c7, c6 \n"
54 "MOV R0, #0x80000006 \n"
55 "MCR p15, 0, R0, c9, c1 \n"
56 "MCR p15, 0, R0, c9, c1, 1 \n"
57 "MRC p15, 0, R0, c1, c0 \n"
58 "ORR R0, R0, #0x50000 \n"
59 "MCR p15, 0, R0, c1, c0 \n"
60 "LDR R0, =0x12345678 \n"
61 "MOV R1, #0x80000000 \n"
62 "STR R0, [R1, #0xFFC] \n"
63 // "LDR R0, =0xFF810000 \n" //original jump-vector
64 "MOV R0, %0\n" // new jump-vector
65 "LDMFD SP!, {R4,LR} \n"
66 "BX R0 \n"
67 : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"
68 );
69
70 while(1);
71 }
72
73 // #define LED_PR 0xC0220120 //LED_GREEN
74 //
75 //
76 // static void __attribute__((noreturn)) shutdown()
77 // {
78 // volatile long *p = (void*)LED_PR; // turned off later, so assumed to be power
79 //
80 // asm(
81 // "MRS R1, CPSR\n"
82 // "AND R0, R1, #0x80\n"
83 // "ORR R1, R1, #0x80\n"
84 // "MSR CPSR_cf, R1\n"
85 // :::"r1","r0");
86 //
87 // *p = 0x44; // led off.
88 //
89 // while(1);
90 // }
91 //
92 //
93 // static void __attribute__((noreturn)) panic(int cnt)
94 // {
95 // volatile long *p=(void*)LED_PR;
96 // int i;
97 //
98 // for(;cnt>0;cnt--){
99 // p[0]=0x46;
100 //
101 // for(i=0;i<0x200000;i++){
102 // asm ("nop\n");
103 // asm ("nop\n");
104 // }
105 // p[0]=0x44;
106 // for(i=0;i<0x200000;i++){
107 // asm ("nop\n");
108 // asm ("nop\n");
109 // }
110 // }
111 // shutdown();
112 // }