nu64sys.c
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/*---------------------------------------------------------------------
File : nu64sys.c
Coded by Tetsuyuki Ootsuka. July, 1998.
Copyright by Nintendo, Co., Ltd. 1998.
---------------------------------------------------------------------*/
#include <ultra64.h>
#include <ramrom.h>
#include "nu64sys.h"
#include "thread.h"
#include "graph.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 siMessageQ;
private OSMesg siMessageBuf;
/*
* Other message queues
*/
public OSMesgQueue dmaMessageQ, rdpMessageQ;
public OSMesgQueue rspMessageQ, retraceMessageQ;
public OSMesgQueue rstMessageQ;
private OSMesg dmaMessageBuf, rdpMessageBuf;
private OSMesg rspMessageBuf, retraceMessageBuf;
private OSMesg rstMessageBuf;
/*---------------------------------------------------------------------*
* IDLE THREAD (Pri.= 0)
*---------------------------------------------------------------------*/
private void idle(void *arg)
{
/*
* Initialize Vi manager
*/
osCreateViManager(OS_PRIORITY_VIMGR);
#if SCREEN_LOW
osViSetMode(&osViModeTable[OS_VI_NTSC_LPN1]);
#else
osViSetMode(&osViModeTable[OS_VI_NTSC_HPF1]);
#endif
osViSwapBuffer(cfb[0]);
/*
* Initialize Pi manager
*/
osCreatePiManager((OSPri)OS_PRIORITY_PIMGR,
&PiMessageQ, PiMessages, NUM_PI_MSGS);
/*
* Setup message queue
*/
osCreateMesgQueue(&dmaMessageQ, &dmaMessageBuf, 1); /* DMA */
osCreateMesgQueue(&rspMessageQ, &rspMessageBuf, 1);
osSetEventMesg(OS_EVENT_SP , &rspMessageQ, NULL); /* RSP */
osCreateMesgQueue(&rdpMessageQ, &rdpMessageBuf, 1);
osSetEventMesg(OS_EVENT_DP, &rdpMessageQ, NULL); /* RDP */
osCreateMesgQueue(&retraceMessageQ, &retraceMessageBuf, 1);
osViSetEvent(&retraceMessageQ, NULL, 1); /* retrace */
osCreateMesgQueue(&siMessageQ, &siMessageBuf, 1);
osSetEventMesg(OS_EVENT_SI, &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);
}