nu64sys.c
3.34 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/*---------------------------------------------------------------------
File : nu64sys.c
Created by Yoshitaka Yasumoto. Jul,11 1995.
Modified by
Copyright by Nintendo, Co., Ltd. 1998.
---------------------------------------------------------------------*/
#include <ultra64.h>
#include <ramrom.h>
#include "nu64sys.h"
#include "thread.h"
/*
* BOOT section
*/
public u64 bootStack[STACKSIZE/8];
/*
* IDLE thread
*/
private void idle(void *);
private OSThread idleThread;
private u64 idleThreadStack[STACKSIZE/8];
/*
* MAIN thread
*/
extern void mainproc(void *);
private OSThread mainThread;
private u64 mainThreadStack[STACKSIZE/8];
/*
* Pi message queue
*/
#define NUM_PI_MSGS 8
private OSMesg PiMessages[NUM_PI_MSGS];
private OSMesgQueue PiMessageQ;
/*
* Si message queue
*/
public OSMesgQueue n_siMessageQ;
private OSMesg n_siMessage;
/*
* Other message queues
*/
public OSMesgQueue n_dmaMessageQ, n_rdpMessageQ;
public OSMesgQueue n_rspMessageQ, n_retraceMessageQ;
public OSMesgQueue rstMessageQ;
private OSMesg dmaMessageBuf, rdpMessageBuf;
private OSMesg rspMessageBuf, retraceMessageBuf;
private OSMesg rstMessageBuf;
extern u32 cfb_16_a[];
extern u32 cfb_16_b[];
/*---------------------------------------------------------------------*
* IDLE THREAD (Pri.= 0)
*---------------------------------------------------------------------*/
private void idle(void *arg)
{
int i;
u16 *p = (u16 *)cfb_16_a;
#if 0
u16 **q = (u16 **)VI_ORIGIN_REG;
#endif
/*
* Initialize Vi manager
*/
for(i=0; i<SCREEN_HT*SCREEN_WD; i++)
*p++ = 0x0000;
osCreateViManager(OS_PRIORITY_VIMGR);
#if 0
*q=cfb_16_a;
#endif
#if SCREEN_LOW
osViSetMode(&osViModeTable[OS_VI_NTSC_LPN1]);
#else
osViSetMode(&osViModeTable[OS_VI_NTSC_HPF1]);
#endif
osViSwapBuffer(cfb_16_a);
/*
* Initialize Pi manager
*/
osCreatePiManager((OSPri)OS_PRIORITY_PIMGR,
&PiMessageQ, PiMessages, NUM_PI_MSGS);
/*
* Setup message queue
*/
osCreateMesgQueue(&n_dmaMessageQ, &dmaMessageBuf, 1); /* DMA */
osCreateMesgQueue(&n_rspMessageQ, &rspMessageBuf, 1);
osSetEventMesg(OS_EVENT_SP , &n_rspMessageQ, NULL); /* RSP */
osCreateMesgQueue(&n_rdpMessageQ, &rdpMessageBuf, 1);
osSetEventMesg(OS_EVENT_DP, &n_rdpMessageQ, NULL); /* RDP */
osCreateMesgQueue(&n_retraceMessageQ, &retraceMessageBuf, 1);
osViSetEvent(&n_retraceMessageQ, NULL, 1); /* retrace */
osCreateMesgQueue(&n_siMessageQ, &n_siMessage, 1);
osSetEventMesg(OS_EVENT_SI, &n_siMessageQ, (OSMesg)1); /* SI */
osCreateMesgQueue(&rstMessageQ, &rstMessageBuf, 1);
osSetEventMesg(OS_EVENT_PRENMI, &rstMessageQ, NULL);
/*
* Create & start MAINPROC thread
*/
osCreateThread(&mainThread, TID_MAINPROC, mainproc, (void *)0,
(void *)(mainThreadStack+STACKSIZE/8), 10);
#ifndef DEBUG
osStartThread(&mainThread);
#endif
/*
* Now idling
*/
osSetThreadPri(0, 0);
/* osPause(); */
while(1){
}
}
/*---------------------------------------------------------------------*
* BOOT PART
*---------------------------------------------------------------------*/
public void boot(void)
{
/*
* Initialize OS
*/
osInitialize();
/*
* Create idle thread & start it
*/
osCreateThread(&idleThread, TID_IDLE, idle, (void*)0,
idleThreadStack+STACKSIZE/8, 10);
osStartThread(&idleThread);
}