98733207 |
1 | /*\r |
2 | \r |
3 | GP2X minimal library v0.A by rlyeh, (c) 2005. emulnation.info@rlyeh (swap it!)\r |
4 | \r |
5 | Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-)\r |
6 | \r |
7 | License\r |
8 | =======\r |
9 | \r |
10 | Free for non-commercial projects (it would be nice receiving a mail from you).\r |
11 | Other cases, ask me first.\r |
12 | \r |
13 | GamePark Holdings is not allowed to use this library and/or use parts from it.\r |
14 | \r |
15 | */\r |
16 | \r |
17 | #include "minimal.h"\r |
18 | \r |
19 | #ifndef __MINIMAL_H_STUB_940T__\r |
20 | #define __MINIMAL_H_STUB_940T__\r |
21 | \r |
22 | #undef gp2x_dualcore_data\r |
23 | #define gp2x_dualcore_data(v) gp2x_2ndcore_data(v)\r |
24 | \r |
25 | #define main gp2x_2ndcore_run\r |
26 | \r |
27 | static void gp2x_2ndcore_start(void) __attribute__((naked));\r |
28 | \r |
29 | static void gp2x_2ndcore_start(void)\r |
30 | {\r |
31 | unsigned long gp2x_dequeue(gp2x_queue *q)\r |
32 | {\r |
33 | unsigned long data;\r |
34 | \r |
35 | while(!q->items); //waiting for head to increase...\r |
36 | \r |
37 | data=q->place940t[q->tail = (q->tail < q->max_items ? q->tail+1 : 0)];\r |
38 | q->items--;\r |
39 | \r |
40 | return data;\r |
41 | }\r |
42 | \r |
43 | #define gp2x_dualcore_name_subprogram(name) \\r |
44 | /* 00000020 <_start>: */ \\r |
45 | /* 0:*/ asm volatile (".word 0xe59ff02c"); /* ldr pc, [pc, #44] ; 34 <ioffset> */ \\r |
46 | /* 4:*/ asm volatile (".word 0xe59ff028"); /* ldr pc, [pc, #40] ; 34 <ioffset> */ \\r |
47 | /* 8:*/ asm volatile (".word 0xe59ff024"); /* ldr pc, [pc, #36] ; 34 <ioffset> */ \\r |
48 | /* c:*/ asm volatile (".word 0xe59ff020"); /* ldr pc, [pc, #32] ; 34 <ioffset> */ \\r |
49 | /* 10:*/ asm volatile (".word 0xe59ff01c"); /* ldr pc, [pc, #28] ; 34 <ioffset> */ \\r |
50 | /* 14:*/ asm volatile (".word 0xe59ff018"); /* ldr pc, [pc, #24] ; 34 <ioffset> */ \\r |
51 | /* 18:*/ asm volatile (".word 0xe59ff014"); /* ldr pc, [pc, #20] ; 34 <ioffset> */ \\r |
52 | /* 1c:*/ asm volatile (".word 0xe59ff010"); /* ldr pc, [pc, #16] ; 34 <ioffset> */ \\r |
53 | /* 00000020 <_init>: */ \\r |
54 | /* 20:*/ asm volatile (".word 0xe59fd010"); /* ldr sp, [pc, #16] ; 38 <stack> */ \\r |
55 | /* 24:*/ asm volatile (".word 0xe59fc010"); /* ldr ip, [pc, #16] ; 3c <deadbeef> */ \\r |
56 | /* 28:*/ asm volatile (".word 0xe59fb010"); /* ldr fp, [pc, #16] ; 40 <leetface> */ \\r |
57 | /* 2c:*/ asm volatile (".word 0xe92d1800"); /* stmdb sp!, {fp, ip} */ \\r |
58 | /* 30:*/ asm volatile (".word 0xea000004"); /* b 48 <realinit> */ \\r |
59 | /* 00000034 <ioffset>: */ \\r |
60 | /* 34:*/ asm volatile (".word 0x00000020"); /* */ \\r |
61 | /* 00000038 <stack>: */ \\r |
62 | /* 38:*/ asm volatile (".word 0x000ffffc"); /* */ \\r |
63 | /* 0000003c <deadbeef>: */ \\r |
64 | /* 3c:*/ asm volatile (".word 0xdeadbeef"); /* */ \\r |
65 | /* 00000040 <leetface>: */ \\r |
66 | /* 40:*/ asm volatile (".word 0x1ee7face"); /* */ \\r |
67 | /* 00000044 <area1>: */ \\r |
68 | /* 44:*/ asm volatile (".word 0x00100019"); /* */ \\r |
69 | /* 00000048 <realinit>: */ \\r |
70 | /* our main code starts here... */ \\r |
71 | /* 48:*/ asm volatile (".word 0xe3a0003f"); /* mov r0, #63 ; 0x3f */ \\r |
72 | /* 4c:*/ asm volatile (".word 0xee060f10"); /* mcr 15, 0, r0, cr6, cr0, {0} */ \\r |
73 | /* 50:*/ asm volatile (".word 0xee060f30"); /* mcr 15, 0, r0, cr6, cr0, {1} */ \\r |
74 | /* 54:*/ asm volatile (".word 0xe51f0018"); /* ldr r0, [pc, #-24] ; 44 <area1> */ \\r |
75 | /* 58:*/ asm volatile (".word 0xee060f11"); /* mcr 15, 0, r0, cr6, cr1, {0} */ \\r |
76 | /* 5c:*/ asm volatile (".word 0xee060f31"); /* mcr 15, 0, r0, cr6, cr1, {1} */ \\r |
77 | /* 60:*/ asm volatile (".word 0xe3a00001"); /* mov r0, #1 ; 0x1 */ \\r |
78 | /* 64:*/ asm volatile (".word 0xee020f10"); /* mcr 15, 0, r0, cr2, cr0, {0} */ \\r |
79 | /* 68:*/ asm volatile (".word 0xee020f30"); /* mcr 15, 0, r0, cr2, cr0, {1} */ \\r |
80 | /* 6c:*/ asm volatile (".word 0xee030f10"); /* mcr 15, 0, r0, cr3, cr0, {0} */ \\r |
81 | /* 70:*/ asm volatile (".word 0xe3a0000f"); /* mov r0, #15 ; 0xf */ \\r |
82 | /* 74:*/ asm volatile (".word 0xee050f10"); /* mcr 15, 0, r0, cr5, cr0, {0} */ \\r |
83 | /* 78:*/ asm volatile (".word 0xee050f30"); /* mcr 15, 0, r0, cr5, cr0, {1} */ \\r |
84 | /* 7c:*/ asm volatile (".word 0xee110f10"); /* mrc 15, 0, r0, cr1, cr0, {0} */ \\r |
85 | /* 80:*/ asm volatile (".word 0xe3800001"); /* orr r0, r0, #1 ; 0x1 */ \\r |
86 | /* 84:*/ asm volatile (".word 0xe3800004"); /* orr r0, r0, #4 ; 0x4 */ \\r |
87 | /* 88:*/ asm volatile (".word 0xe3800a01"); /* orr r0, r0, #4096 ; 0x1000 */ \\r |
88 | /* 8c:*/ asm volatile (".word 0xe3800103"); /* orr r0, r0, #-1073741824 ; 0xc0000000 */ \\r |
89 | /* 90:*/ asm volatile (".word 0xee010f10"); /* mcr 15, 0, r0, cr1, cr0, {0} */ \\r |
90 | while(1) gp2x_2ndcore_run(gp2x_dequeue((gp2x_queue *)gp2x_2ndcore_data_ptr(GP2X_QUEUE_ARRAY_PTR))); \\r |
91 | } \\r |
92 | void gp2x_dualcore_launch_##name##_subprogram(void) { gp2x_dualcore_launch_program((unsigned long *)&gp2x_2ndcore_start, ((int)&gp2x_dualcore_launch_##name##_subprogram)-((int)&gp2x_2ndcore_start)); }\r |
93 | \r |
94 | #endif\r |
95 | \r |
96 | \r |