Shipwright/soh/src/code/irqmgr.c

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