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 // }