This source file includes following definitions.
- my_restart
- shutdown
- panic
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 long *dst = (long*)MEMISOSTART;
17 const long *src = blob_chdk_core;
18 long length = (blob_chdk_core_size + 3) >> 2;
19
20 core_copy(src, dst, length);
21
22 }
23
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 "MVN R0, #0 \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 "MOV R0, %0\n"
67 "LDMFD SP!, {R4,LR}\n"
68 "BX R0\n"
69 : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4");
70
71 while(1);
72 }
73
74 #define LED_GREEN 0xC0220130
75 #define LED_ORANGE 0xC0220134
76 #define LED_AF 0xC0223030
77
78 static void __attribute__((noreturn)) shutdown()
79 {
80 volatile long *p = (void*)LED_ORANGE;
81
82 asm(
83 "MRS R1, CPSR\n"
84 "AND R0, R1, #0x80\n"
85 "ORR R1, R1, #0x80\n"
86 "MSR CPSR_cf, R1\n"
87 :::"r1","r0");
88
89 *p = 0x44;
90
91 while(1);
92 }
93
94
95 static void __attribute__((noreturn)) panic(int cnt)
96 {
97 volatile long *p=(void*)LED_ORANGE;
98 int i;
99
100 for(;cnt>0;cnt--){
101 p[0]=0x46;
102
103 for(i=0;i<0x200000;i++){
104 asm ("nop\n");
105 asm ("nop\n");
106 }
107 p[0]=0x44;
108 for(i=0;i<0x200000;i++){
109 asm ("nop\n");
110 asm ("nop\n");
111 }
112 }
113 shutdown();
114 }