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_chdk_core_size;
8
9 void __attribute__((noreturn)) my_restart()
10 {
11 {
12 long *dst = (long*)MEMISOSTART;
13 const long *src = blob_chdk_core;
14 long length = (blob_chdk_core_size + 3) >> 2;
15
16 core_copy(src, dst, length);
17
18 }
19
20 // resetcode here:
21 // s95 100e @FF83C5E8
22 // sx150 100a @FF83C5B8
23 // code is the same
24 asm volatile (
25 //"MRS R0, CPSR\n"
26 "BIC R0, R0, #0x3F\n"
27 "ORR R0, R0, #0xD3\n"
28 "MSR CPSR, R0\n"
29 "LDR R1, =0xC0200000\n"
30 "MOV R0, #0xFFFFFFFF\n"
31 "STR R0, [R1,#0x10C]\n"
32 "STR R0, [R1,#0xC]\n"
33 "STR R0, [R1,#0x1C]\n"
34 "STR R0, [R1,#0x2C]\n"
35 "STR R0, [R1,#0x3C]\n"
36 "STR R0, [R1,#0x4C]\n"
37 "STR R0, [R1,#0x5C]\n"
38 "STR R0, [R1,#0x6C]\n"
39 "STR R0, [R1,#0x7C]\n"
40 "STR R0, [R1,#0x8C]\n"
41 "STR R0, [R1,#0x9C]\n"
42 "STR R0, [R1,#0xAC]\n"
43 "STR R0, [R1,#0xBC]\n"
44 "STR R0, [R1,#0xCC]\n"
45 "STR R0, [R1,#0xDC]\n"
46 "STR R0, [R1,#0xEC]\n"
47 "CMP R4, #7\n"
48 "STR R0, [R1,#0xFC]\n"
49 "LDMEQFD SP!, {R4,PC}\n"
50 "MOV R0, #0x78\n"
51 "MCR p15, 0, R0,c1,c0\n"
52 "MOV R0, #0\n"
53 "MCR p15, 0, R0,c7,c10, 4\n"
54 "MCR p15, 0, R0,c7,c5\n"
55 "MCR p15, 0, R0,c7,c6\n"
56 "MOV R0, #0x80000006\n"
57 "MCR p15, 0, R0,c9,c1\n"
58 "MCR p15, 0, R0,c9,c1, 1\n"
59 "MRC p15, 0, R0,c1,c0\n"
60 "ORR R0, R0, #0x50000\n"
61 "MCR p15, 0, R0,c1,c0\n"
62 "LDR R0, =0x12345678\n"
63 "MOV R1, #0x80000000\n"
64 "STR R0, [R1,#0xFFC]\n"
65
66 //"LDR R0, =0xFF810000\n" // original jump-vector
67 "MOV R0, %0\n" // new jump-vector
68
69 "LDMFD SP!, {R4,LR}\n"
70 "BX R0\n"
71 : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"
72 );
73
74 while(1);
75 }
76
77 ////#define LED_PR 0xC022006C // no power led on sx150
78 //
79 //static void __attribute__((noreturn)) shutdown()
80 //{
81 //// volatile long *p = (void*) LED_PR;
82 //
83 // asm(
84 // "MRS R1, CPSR\n"
85 // "AND R0, R1, #0x80\n"
86 // "ORR R1, R1, #0x80\n"
87 // "MSR CPSR_cf, R1\n"
88 // :::"r1","r0");
89 //
90 //// *p = 0x44; // led off.
91 //
92 // while(1);
93 //}
94 //
95 //
96 //static void __attribute__((noreturn)) panic(int cnt)
97 //{
98 // volatile long *red=(void*) 0xC0220010; // red(orange) led sx150
99 //
100 // int i;
101 //
102 // for(;cnt>0;cnt--){
103 // *red = 0x46;
104 //
105 // for(i=0;i<0x200000;i++){
106 // asm ("nop\n");
107 // asm ("nop\n");
108 // }
109 //
110 // *red = 0x44;
111 //
112 // for(i=0;i<0x200000;i++){
113 // asm ("nop\n");
114 // asm ("nop\n");
115 // }
116 // }
117 // shutdown();
118 //}