233 lines
7.7 KiB
C
233 lines
7.7 KiB
C
#include "global.h"
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#include "vt.h"
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vu32 gIrqMgrResetStatus = 0;
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volatile OSTime sIrqMgrResetTime = 0;
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volatile OSTime gIrqMgrRetraceTime = 0;
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u32 sIrqMgrRetraceCount = 0;
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#define RETRACE_MSG 666
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#define PRE_NMI_MSG 669
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#define PRENMI450_MSG 671
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#define PRENMI480_MSG 672
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#define PRENMI500_MSG 673
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#define STATUS_IDLE 0
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#define STATUS_PRENMI 1
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#define STATUS_NMI 2
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void IrqMgr_AddClient(IrqMgr* this, IrqMgrClient* c, OSMesgQueue* msgQ) {
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OSIntMask prevInt;
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LOG_CHECK_NULL_POINTER("this", this);
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LOG_CHECK_NULL_POINTER("c", c);
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LOG_CHECK_NULL_POINTER("msgQ", msgQ);
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prevInt = osSetIntMask(1);
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c->queue = msgQ;
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c->prev = this->clients;
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this->clients = c;
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osSetIntMask(prevInt);
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if (this->resetStatus > STATUS_IDLE) {
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osSendMesgPtr(c->queue, &this->prenmiMsg, OS_MESG_NOBLOCK);
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}
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if (this->resetStatus >= STATUS_NMI) {
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osSendMesgPtr(c->queue, &this->nmiMsg, OS_MESG_NOBLOCK);
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}
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}
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void IrqMgr_RemoveClient(IrqMgr* this, IrqMgrClient* c) {
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IrqMgrClient* iter = this->clients;
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IrqMgrClient* lastIter = NULL;
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OSIntMask prevInt;
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LOG_CHECK_NULL_POINTER("this", this);
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LOG_CHECK_NULL_POINTER("c", c);
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prevInt = osSetIntMask(1);
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while (iter != NULL) {
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if (iter == c) {
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if (lastIter) {
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lastIter->prev = c->prev;
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} else {
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this->clients = c->prev;
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}
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break;
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}
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lastIter = iter;
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iter = iter->prev;
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}
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osSetIntMask(prevInt);
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}
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void IrqMgr_SendMesgForClient(IrqMgr* this, OSMesg msg) {
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IrqMgrClient* iter = this->clients;
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while (iter != NULL) {
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if (iter->queue->validCount >= iter->queue->msgCount) {
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// "irqmgr_SendMesgForClient: Message queue is overflowing mq=%08x cnt=%d"
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osSyncPrintf(
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VT_COL(RED, WHITE) "irqmgr_SendMesgForClient:メッセージキューがあふれています mq=%08x cnt=%d\n" VT_RST,
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iter->queue, iter->queue->validCount);
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} else {
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osSendMesg(iter->queue, msg, OS_MESG_NOBLOCK);
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}
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iter = iter->prev;
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}
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}
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void IrqMgr_JamMesgForClient(IrqMgr* this, OSMesg msg) {
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IrqMgrClient* iter = this->clients;
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while (iter != NULL) {
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if (iter->queue->validCount >= iter->queue->msgCount) {
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// "irqmgr_JamMesgForClient: Message queue is overflowing mq=%08x cnt=%d"
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osSyncPrintf(
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VT_COL(RED, WHITE) "irqmgr_JamMesgForClient:メッセージキューがあふれています mq=%08x cnt=%d\n" VT_RST,
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iter->queue, iter->queue->validCount);
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} else {
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// mistake? the function's name suggests it would use osJamMesg
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osSendMesg(iter->queue, msg, OS_MESG_NOBLOCK);
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}
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iter = iter->prev;
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}
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}
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void IrqMgr_HandlePreNMI(IrqMgr* this) {
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u64 temp = STATUS_PRENMI; // required to match
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gIrqMgrResetStatus = temp;
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this->resetStatus = STATUS_PRENMI;
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sIrqMgrResetTime = this->resetTime = osGetTime();
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osSetTimer(&this->timer, OS_USEC_TO_CYCLES(450000), 0ull, &this->queue, OS_MESG_32(PRENMI450_MSG));
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IrqMgr_JamMesgForClient(this, OS_MESG_PTR(&this->prenmiMsg));
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}
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void IrqMgr_CheckStack() {
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osSyncPrintf("irqmgr.c: PRENMIから0.5秒経過\n"); // "0.5 seconds after PRENMI"
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if (StackCheck_Check(NULL) == 0) {
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osSyncPrintf("スタックは大丈夫みたいです\n"); // "The stack looks ok"
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} else {
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osSyncPrintf("%c", 7);
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osSyncPrintf(VT_FGCOL(RED));
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// "Stack overflow or dangerous"
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osSyncPrintf("スタックがオーバーフローしたか危険な状態です\n");
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// "Increase stack size early or don't consume stack"
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osSyncPrintf("早々にスタックサイズを増やすか、スタックを消費しないようにしてください\n");
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osSyncPrintf(VT_RST);
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}
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}
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void IrqMgr_HandlePRENMI450(IrqMgr* this) {
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u64 temp = STATUS_NMI; // required to match
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gIrqMgrResetStatus = temp;
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this->resetStatus = STATUS_NMI;
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osSetTimer(&this->timer, OS_USEC_TO_CYCLES(30000), 0ull, &this->queue, OS_MESG_32(PRENMI480_MSG));
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IrqMgr_SendMesgForClient(this, OS_MESG_PTR(&this->nmiMsg));
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}
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void IrqMgr_HandlePRENMI480(IrqMgr* this) {
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u32 ret;
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osSetTimer(&this->timer, OS_USEC_TO_CYCLES(20000), 0ull, &this->queue, OS_MESG_32(PRENMI500_MSG));
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ret = osAfterPreNMI();
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if (ret) {
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// "osAfterPreNMI returned %d !?"
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osSyncPrintf("osAfterPreNMIが %d を返しました！？\n", ret);
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osSetTimer(&this->timer, OS_USEC_TO_CYCLES(1000), 0ull, &this->queue, OS_MESG_32(PRENMI480_MSG));
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}
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}
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void IrqMgr_HandlePRENMI500(IrqMgr* this) {
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IrqMgr_CheckStack();
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}
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void IrqMgr_HandleRetrace(IrqMgr* this) {
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if (gIrqMgrRetraceTime == 0ull) {
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if (this->retraceTime == 0) {
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this->retraceTime = osGetTime();
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} else {
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gIrqMgrRetraceTime = osGetTime() - this->retraceTime;
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}
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}
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sIrqMgrRetraceCount++;
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IrqMgr_SendMesgForClient(this, OS_MESG_PTR(&this->retraceMsg));
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}
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void IrqMgr_ThreadEntry(void* arg0) {
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OSMesg msg;
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IrqMgr* this = (IrqMgr*)arg0;
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u8 exit;
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msg.data32 = 0;
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osSyncPrintf("ＩＲＱマネージャスレッド実行開始\n"); // "Start IRQ manager thread execution"
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exit = false;
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while (!exit) {
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osRecvMesg(&this->queue, &msg, OS_MESG_BLOCK);
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switch (msg.data32) {
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case RETRACE_MSG:
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IrqMgr_HandleRetrace(this);
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break;
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case PRE_NMI_MSG:
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osSyncPrintf("PRE_NMI_MSG\n");
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// "Scheduler: Receives PRE_NMI message"
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osSyncPrintf("スケジューラ：PRE_NMIメッセージを受信\n");
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IrqMgr_HandlePreNMI(this);
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break;
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case PRENMI450_MSG:
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osSyncPrintf("PRENMI450_MSG\n");
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// "Scheduler: Receives PRENMI450 message"
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osSyncPrintf("スケジューラ：PRENMI450メッセージを受信\n");
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IrqMgr_HandlePRENMI450(this);
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break;
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case PRENMI480_MSG:
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osSyncPrintf("PRENMI480_MSG\n");
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// "Scheduler: Receives PRENMI480 message"
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osSyncPrintf("スケジューラ：PRENMI480メッセージを受信\n");
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IrqMgr_HandlePRENMI480(this);
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break;
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case PRENMI500_MSG:
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osSyncPrintf("PRENMI500_MSG\n");
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// "Scheduler: Receives PRENMI500 message"
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osSyncPrintf("スケジューラ：PRENMI500メッセージを受信\n");
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exit = true;
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IrqMgr_HandlePRENMI500(this);
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break;
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default:
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// "Unexpected message received"
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osSyncPrintf("irqmgr.c:予期しないメッセージを受け取りました(%08x)\n", msg);
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break;
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}
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}
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osSyncPrintf("ＩＲＱマネージャスレッド実行終了\n"); // "End of IRQ manager thread execution"
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}
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void IrqMgr_Init(IrqMgr* this, void* stack, OSPri pri, u8 retraceCount) {
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LOG_CHECK_NULL_POINTER("this", this);
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LOG_CHECK_NULL_POINTER("stack", stack);
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this->clients = NULL;
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this->retraceMsg.type = OS_SC_RETRACE_MSG;
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this->prenmiMsg.type = OS_SC_PRE_NMI_MSG;
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this->nmiMsg.type = OS_SC_NMI_MSG;
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this->resetStatus = STATUS_IDLE;
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this->resetTime = 0;
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osCreateMesgQueue(&this->queue, this->msgBuf, ARRAY_COUNT(this->msgBuf));
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osSetEventMesg(OS_EVENT_PRENMI, &this->queue, OS_MESG_32(PRE_NMI_MSG));
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osViSetEvent(&this->queue, OS_MESG_32(RETRACE_MSG), retraceCount);
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osCreateThread(&this->thread, 0x13, IrqMgr_ThreadEntry, this, stack, pri);
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osStartThread(&this->thread);
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}
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