fc99395c |
1 | |
2 | #include "3ds.h" |
3 | #include "libkhax/khax.h" |
4 | |
5 | static int ninjhax_version = 0; |
6 | |
7 | typedef s32 (*ctr_callback_type)(void); |
8 | |
9 | static void ctr_enable_all_svc_kernel(void) |
10 | { |
11 | __asm__ volatile("cpsid aif"); |
12 | |
13 | u32* svc_access_control = *(*(u32***)0xFFFF9000 + 0x22) - 0x6; |
14 | |
15 | svc_access_control[0]=0xFFFFFFFE; |
16 | svc_access_control[1]=0xFFFFFFFF; |
17 | svc_access_control[2]=0xFFFFFFFF; |
18 | svc_access_control[3]=0x3FFFFFFF; |
19 | } |
20 | |
21 | |
22 | static void ctr_invalidate_ICache_kernel(void) |
23 | { |
24 | __asm__ volatile( |
25 | "cpsid aif\n\t" |
26 | "mov r0, #0\n\t" |
27 | "mcr p15, 0, r0, c7, c5, 0\n\t"); |
28 | } |
29 | |
30 | static void ctr_flush_DCache_kernel(void) |
31 | { |
32 | __asm__ volatile( |
33 | "cpsid aif\n\t" |
34 | "mov r0, #0\n\t" |
35 | "mcr p15, 0, r0, c7, c10, 0\n\t"); |
36 | |
37 | } |
38 | |
39 | |
40 | static void ctr_enable_all_svc(void) |
41 | { |
42 | svcBackdoor((ctr_callback_type)ctr_enable_all_svc_kernel); |
43 | } |
44 | |
45 | void ctr_invalidate_ICache(void) |
46 | { |
47 | // __asm__ volatile("svc 0x2E\n\t"); |
48 | svcBackdoor((ctr_callback_type)ctr_invalidate_ICache_kernel); |
49 | |
50 | } |
51 | |
52 | void ctr_flush_DCache(void) |
53 | { |
54 | // __asm__ volatile("svc 0x4B\n\t"); |
55 | svcBackdoor((ctr_callback_type)ctr_flush_DCache_kernel); |
56 | } |
57 | |
58 | |
59 | void ctr_flush_invalidate_cache(void) |
60 | { |
61 | ctr_flush_DCache(); |
62 | ctr_invalidate_ICache(); |
63 | } |
64 | |
65 | int ctr_svchack_init(void) |
66 | { |
67 | Handle tempHandle; |
68 | Result res = srvGetServiceHandle(&tempHandle, "am:u"); |
69 | if(res == 0) |
70 | { |
71 | /* CFW */ |
72 | svcCloseHandle(tempHandle); |
73 | ninjhax_version = 0; |
74 | ctr_enable_all_svc(); |
75 | return 1; |
76 | } |
77 | else if(hbInit() == 0) |
78 | { |
79 | /* ninjhax 1.0 */ |
80 | ninjhax_version = 1; |
81 | hbExit(); |
82 | khaxInit(); |
83 | return 1; |
84 | } |
85 | else |
86 | { |
87 | /* ninjhax 2.0 */ |
88 | |
89 | return 0; |
90 | } |
91 | } |
92 | |
93 | |
94 | void ctr_svchack_exit(void) |
95 | { |
96 | if (ninjhax_version == 1) |
97 | khaxExit(); |
98 | } |