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 // DEBUG LED STUFF
12 //#define DEBUG_LED (void*)0xC0220088 // Green Led at the backside
13 //#define DEBUG_LED_DELAY 10000000
14 //volatile long *pDebugLed = (void*)DEBUG_LED;
15 //int DebugLedCounter;// DEBUG: blink led
16 //DebugLedCounter = DEBUG_LED_DELAY; *pDebugLed = 0x46; while (DebugLedCounter--) { asm("nop\n nop\n"); };
17 //DebugLedCounter = DEBUG_LED_DELAY; *pDebugLed = 0x44; while (DebugLedCounter--) { asm("nop\n nop\n"); };
18
19 {
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 // ROM:FFC2AAB0 resetcode here:
29 // search for "0x12345678"
30 asm volatile (
31 "MRS R0, CPSR\n"
32 "BIC R0, R0, #0x3F\n"
33 "ORR R0, R0, #0xD3\n"
34 "MSR CPSR, R0\n"
35 "LDR R1, =0xC0200000\n"
36 "MOV R0, #0xFFFFFFFF\n"
37 "STR R0, [R1,#0x10C]\n"
38 "STR R0, [R1,#0xC]\n"
39 "STR R0, [R1,#0x1C]\n"
40 "STR R0, [R1,#0x2C]\n"
41 "STR R0, [R1,#0x3C]\n"
42 "STR R0, [R1,#0x4C]\n"
43 "STR R0, [R1,#0x5C]\n"
44 "STR R0, [R1,#0x6C]\n"
45 "STR R0, [R1,#0x7C]\n"
46 "STR R0, [R1,#0x8C]\n"
47 "STR R0, [R1,#0x9C]\n"
48 "STR R0, [R1,#0xAC]\n"
49 "STR R0, [R1,#0xBC]\n"
50 "STR R0, [R1,#0xCC]\n"
51 "STR R0, [R1,#0xDC]\n"
52 "STR R0, [R1,#0xEC]\n"
53 "CMP R4, #7\n"
54 "STR R0, [R1,#0xFC]\n"
55 "LDMEQFD SP!, {R4,PC}\n"
56 "MOV R0, #0x78\n"
57 "MCR p15, 0, R0,c1,c0\n"
58 "MOV R0, #0\n"
59 "MCR p15, 0, R0,c7,c10, 4\n"
60 "MCR p15, 0, R0,c7,c5\n"
61 "MCR p15, 0, R0,c7,c6\n"
62 "MOV R0, #0x40000006\n"
63 "MCR p15, 0, R0,c9,c1\n"
64 "MCR p15, 0, R0,c9,c1, 1\n"
65 "MRC p15, 0, R0,c1,c0\n"
66 "ORR R0, R0, #0x50000\n"
67 "MCR p15, 0, R0,c1,c0\n"
68 "LDR R0, =0x12345678\n"
69 "MOV R1, #0x40000000\n"
70 "STR R0, [R1,#0xFFC]\n"
71 // "LDR R0, =loc_FFC00000\n" // -
72 "MOV R0, %0\n" // new jump-vector
73 "LDMFD SP!, {R4,LR}\n"
74 "BX R0\n"
75 : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4");
76
77 while(1);
78 }
79
80 //#define LED_PR 0xC0220080 // AF LED
81 //#define LED_PR 0xC0220088 // Green LED
82
83 //static void __attribute__((noreturn)) shutdown()
84 //{
85 // volatile long *p = (void*)LED_PR; // turned off later, so assumed to be power
86 //
87 // asm(
88 // "MRS R1, CPSR\n"
89 // "AND R0, R1, #0x80\n"
90 // "ORR R1, R1, #0x80\n"
91 // "MSR CPSR_cf, R1\n"
92 // :::"r1","r0");
93 //
94 // *p = 0x44; // led off.
95 //
96 // while(1);
97 //}
98
99 //static void __attribute__((noreturn)) panic(int cnt)
100 //{
101 // volatile long *p=(void*)LED_PR;
102 // int i;
103 //
104 // for(;cnt>0;cnt--){
105 // p[0]=0x46;
106 //
107 // for(i=0;i<0x200000;i++){
108 // asm ("nop\n");
109 // asm ("nop\n");
110 // }
111 // p[0]=0x44;
112 // for(i=0;i<0x200000;i++){
113 // asm ("nop\n");
114 // asm ("nop\n");
115 // }
116 // }
117 // shutdown();
118 //}