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 R0, CPSR \n"
28 "BIC R0, R0, #0x3F \n"
29 "ORR R0, R0, #0xD3 \n"
30 "MSR CPSR, R0 \n"
31 "LDR R1, =0xC0200000 \n"
32 // "MOV R0, #0xFFFFFFFF \n"
33 "MOV R0, #0x1 \n"
34 "STR R0, [R1,#0x10C] \n"
35 "MOV R0, #0xFF \n"
36 "STR R0, [R1,#0xC] \n"
37 "STR R0, [R1,#0x1C] \n"
38 "STR R0, [R1,#0x2C] \n"
39 "STR R0, [R1,#0x3C] \n"
40 "STR R0, [R1,#0x4C] \n"
41 "STR R0, [R1,#0x5C] \n"
42 "STR R0, [R1,#0x6C] \n"
43 "STR R0, [R1,#0x7C] \n"
44 "STR R0, [R1,#0x8C] \n"
45 "STR R0, [R1,#0x9C] \n"
46 "STR R0, [R1,#0xAC] \n"
47 "STR R0, [R1,#0xBC] \n"
48 "STR R0, [R1,#0xCC] \n"
49 "STR R0, [R1,#0xDC] \n"
50 "STR R0, [R1,#0xEC] \n"
51 "CMP R4, #7 \n"
52 "STR R0, [R1,#0xFC] \n"
53 "LDMEQFD SP!, {R4,PC} \n"
54 "MOV R0, #0x78 \n"
55 "MCR p15, 0, R0,c1,c0 \n"
56 "MOV R0, #0 \n"
57 "MCR p15, 0, R0,c7,c10, 4 \n"
58 "MCR p15, 0, R0,c7,c5 \n"
59 "MCR p15, 0, R0,c7,c6 \n"
60 // "MOV R0, #0x40000006 \n"
61 "MOV R0, #0x80000006 \n"
62 "MCR p15, 0, R0,c9,c1 \n"
63 "MCR p15, 0, R0,c9,c1, 1 \n"
64 "MRC p15, 0, R0,c1,c0 \n"
65 "ORR R0, R0, #0x50000 \n"
66 "MCR p15, 0, R0,c1,c0 \n"
67 "LDR R0, =0x12345678 \n"
68 "MOV R1, #0x40000000 \n"
69 "STR R0, [R1,#0xFFC] \n"
70 // "LDR R0, =0xFFC00000 \n" //<----------deleted
71 "MOV R0, %0\n" //<---------- new jump-vector
72 "LDMFD SP!, {R4,LR} \n"
73 "BX R0\n"
74 : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"); //<-------------inserted
75
76 while(1);
77 }
78
79 // #define LED_PR 0xC0220014
80 //
81 // static void __attribute__((noreturn)) shutdown()
82 // {
83 // volatile long *p = (void*)LED_PR; // turned off later, so assumed to be power
84 //
85 // asm(
86 // "MRS R1, CPSR\n"
87 // "AND R0, R1, #0x80\n"
88 // "ORR R1, R1, #0x80\n"
89 // "MSR CPSR_cf, R1\n"
90 // :::"r1","r0");
91 //
92 // *p = 0x44; // led off.
93 //
94 // while(1);
95 // }
96 //
97 //
98 // static void __attribute__((noreturn)) panic(int cnt)
99 // {
100 // volatile long *p=(void*)LED_PR;
101 // int i;
102 //
103 // for(;cnt>0;cnt--){
104 // p[0]=0x46;
105 //
106 // for(i=0;i<0x200000;i++){
107 // asm ("nop\n");
108 // asm ("nop\n");
109 // }
110 // p[0]=0x44;
111 // for(i=0;i<0x200000;i++){
112 // asm ("nop\n");
113 // asm ("nop\n");
114 // }
115 // }
116 // shutdown();
117 // }