1 #include "../generic/check_compat.c"
2
3 // #include "../../platform/ixus85_sd770/leds.h"
4
5 // static void __attribute__((noreturn)) shutdown();
6 // static void __attribute__((noreturn)) panic(int cnt);
7
8 extern long *blob_chdk_core;
9 // extern long *blob_copy_and_reset;
10 extern long blob_chdk_core_size;
11 // extern long blob_copy_and_reset_size;
12
13
14
15 void __attribute__((noreturn)) my_restart()
16 {
17 {
18 // char *dst = dst_void;
19 // const char *src = src_void;
20 long *dst = (long*)MEMISOSTART;
21 const long *src = blob_chdk_core;
22 long length = (blob_chdk_core_size + 3) >> 2;
23
24 core_copy(src, dst, length);
25
26 }
27
28 asm volatile (
29 "MRS R0, CPSR\n"
30 "BIC R0, R0, #0x3F\n"
31 "ORR R0, R0, #0xD3\n"
32 "MSR CPSR, R0\n"
33 "LDR R1, =0xC0200000\n"
34 "MOV R0, #0xFFFFFFFF\n"
35 "STR R0, [R1,#0x10C]\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 "MCR p15, 0, R0,c9,c1\n"
62 "MCR p15, 0, R0,c9,c1, 1\n"
63 "MRC p15, 0, R0,c1,c0\n"
64 "ORR R0, R0, #0x50000\n"
65 "MCR p15, 0, R0,c1,c0\n"
66 "LDR R0, =0x12345678\n"
67 "MOV R1, #0x40000000\n"
68 "STR R0, [R1,#0xFFC]\n"
69 // "LDR R0, =0xFF810000\n" // original jump-vector
70 "MOV R0, %0\n" // new jump-vector
71 "LDMFD SP!, {R4,LR}\n"
72 "BX R0\n"
73 : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"
74 );
75
76 while(1);
77 }
78
79 // static void __attribute__((noreturn)) shutdown()
80 // {
81 // // @ FF829C24
82 // volatile long *p = (void*)0xC022001C;
83 //
84 // asm (
85 // "MRS R1, CPSR\n"
86 // "AND R0, R1, #0x80\n"
87 // "ORR R1, R1, #0x80\n"
88 // "MSR CPSR_cf, R1\n"
89 // :::"r1","r0");
90 //
91 // *p = 0x44; // led off
92 //
93 // while(1);
94 // }
95 //
96 // static void __attribute__((noreturn)) panic(int cnt)
97 // {
98 // volatile long *p=(void*)LED_PR;
99 // int i;
100 //
101 // for(;cnt>0;cnt--) {
102 // p[0]=0x46;
103 //
104 // for(i=0;i<0x200000;i++) {
105 // asm ("nop\n");
106 // asm ("nop\n");
107 // }
108 // p[0]=0x44;
109 // for(i=0;i<0x200000;i++) {
110 // asm ("nop\n");
111 // asm ("nop\n");
112 // }
113 // }
114 // shutdown();
115 // }