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oot/src/code/sched.c
krimtonz d48792870c
Decompiles sched.c (#145) 
* decompile sched.c

* rename Game_AllocEnd to Game_Alloc in z_effect_soft_sprite.c

* pr updates
2020-05-26 11:39:27 -04:00

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#include <ultra64.h>
#include <global.h>
#define RSP_DONE_MSG 667
#define RDP_DONE_MSG 668
#define ENTRY_MSG 670
// data
volatile s32 sLogScheduler = false;
// bss
OSTime sRSPGFXStartTime;
OSTime sRSPAudioStartTime;
OSTime sRSPOtherStartTime;
OSTime sRDPStartTime;
void Sched_SwapFrameBuffer(CfbInfo* cfbInfo) {
u16 width;
LogUtils_CheckValidPointer("cfbinfo->swapbuffer", cfbInfo->swapBuffer, "../sched.c", 340);
if (cfbInfo->swapBuffer != NULL) {
osViSwapBuffer(cfbInfo->swapBuffer);
cfbInfo->updateRate2 = cfbInfo->updateRate;
if (sLogScheduler) {
osSyncPrintf("osViSwapBuffer %08x %08x %08x\n", osViGetCurrentFramebuffer(), osViGetNextFramebuffer(),
(cfbInfo != NULL ? cfbInfo->swapBuffer : NULL));
}
width = cfbInfo->viMode != NULL ? cfbInfo->viMode->comRegs.width : gScreenWidth;
Fault_SetFB(cfbInfo->swapBuffer, width, 0x10);
if (HREG(80) == 0xD && HREG(95) != 0xD) {
HREG(81) = 0;
HREG(82) = 0;
HREG(83) = 1;
HREG(84) = 0;
HREG(85) = 1;
HREG(86) = 0;
HREG(87) = 0;
HREG(88) = 0;
HREG(89) = 0;
HREG(90) = 0;
HREG(91) = 0;
HREG(92) = 0;
HREG(93) = 0;
HREG(94) = 0;
HREG(95) = 0xD;
}
if (HREG(80) == 0xD && HREG(81) == 2) {
osViSetSpecialFeatures(HREG(82) != 0 ? 1 : 2);
osViSetSpecialFeatures(HREG(83) != 0 ? 0x40 : 0x80);
osViSetSpecialFeatures(HREG(84) != 0 ? 0x4 : 0x8);
osViSetSpecialFeatures(HREG(85) != 0 ? 0x10 : 0x20);
}
}
cfbInfo->unk_10 = 0;
}
void func_800C84E4(SchedContext* sc, CfbInfo* cfbInfo) {
if (sc->unk_24C != 0) {
sc->unk_24C = 0;
if (gIrqMgrResetStatus == 0) {
ViConfig_UpdateVi(0);
}
}
Sched_SwapFrameBuffer(cfbInfo);
}
void Sched_HandleReset(SchedContext* sc) {
OSTime now;
if (sc->curRSPTask != NULL) {
now = osGetTime();
if (sc->curRSPTask->framebuffer == NULL) {
LOG_TIME("(((u64)(now - audio_rsp_start_time)*(1000000LL/15625LL))/((62500000LL*3/4)/15625LL))",
OS_CYCLES_TO_USEC(now - sRSPAudioStartTime), "../sched.c", 421);
} else if (OS_CYCLES_TO_USEC(now - sRSPGFXStartTime) > 1000000 ||
OS_CYCLES_TO_USEC(now - sRDPStartTime) > 1000000) {
func_800FBFD8();
if (sc->curRSPTask != NULL) {
LOG_TIME("(((u64)(now - graph_rsp_start_time)*(1000000LL/15625LL))/((62500000LL*3/4)/15625LL))",
OS_CYCLES_TO_USEC(now - sRSPGFXStartTime), "../sched.c", 427);
osSendMesg(&sc->interruptQ, RSP_DONE_MSG, OS_MESG_NOBLOCK);
}
if (sc->curRDPTask != NULL) {
LOG_TIME("(((u64)(now - rdp_start_time)*(1000000LL/15625LL))/((62500000LL*3/4)/15625LL))",
OS_CYCLES_TO_USEC(now - sRDPStartTime), "../sched.c", 431);
osSendMesg(&sc->interruptQ, RDP_DONE_MSG, 0);
}
}
}
}
void Sched_HandleStart(SchedContext* sc) {
ViConfig_UpdateVi(1);
}
void Sched_QueueTask(SchedContext* sc, OSScTask* task) {
s32 type = task->list.t.type;
if (!((type == M_AUDTASK) || (type == M_GFXTASK) || (type == M_NJPEGTASK) || (type == M_NULTASK))) {
__assert("(type == M_AUDTASK) || (type == M_GFXTASK) || (type == M_NJPEGTASK) || (type == M_NULTASK)",
"../sched.c", 463);
}
if (type == M_AUDTASK) {
if (sLogScheduler) {
// You have entered an audio task
osSyncPrintf("オーディオタスクをエントリしました\n");
}
if (sc->audioListTail != NULL) {
sc->audioListTail->next = task;
} else {
sc->audioListHead = task;
}
sc->audioListTail = task;
sc->doAudio = 1;
} else {
if (sLogScheduler) {
// Entered graph task
osSyncPrintf("グラフタスクをエントリしました\n");
}
if (sc->gfxListTail != NULL) {
sc->gfxListTail->next = task;
} else {
sc->gfxListHead = task;
}
sc->gfxListTail = task;
}
task->next = NULL;
task->state = task->flags & (OS_SC_NEEDS_RDP | OS_SC_NEEDS_RSP);
}
void Sched_Yield(SchedContext* sc) {
if (!(sc->curRSPTask->state & OS_SC_YIELD)) {
if (sc->curRSPTask->list.t.type == M_AUDTASK) {
__assert("sc->curRSPTask->list.t.type != M_AUDTASK", "../sched.c", 496);
}
sc->curRSPTask->state |= OS_SC_YIELD;
osSpTaskYield();
if (sLogScheduler) {
osSyncPrintf("%08d:osSpTaskYield\n", (u32)(OS_CYCLES_TO_USEC(osGetTime())));
}
}
}
OSScTask* func_800C89D4(SchedContext* sc, OSScTask* task) {
if (task == NULL) {
return NULL;
}
if (sc->pendingSwapBuf1 != NULL) {
if (0) {
__assert("sc->pending_swapbuffer1", "../sched.c", UNK_LINE);
}
return NULL;
}
if (sc->pendingSwapBuf2 != NULL) {
if (0) {
__assert("sc->pending_swapbuffer2", "../sched.c", UNK_LINE);
}
return NULL;
}
if ((sc->pendingSwapBuf2 != NULL ? sc->pendingSwapBuf2->swapBuffer : NULL) == task->framebuffer->fb1) {
return NULL;
}
if ((sc->pendingSwapBuf1 != NULL ? sc->pendingSwapBuf1->swapBuffer : NULL) == task->framebuffer->fb1) {
return NULL;
}
if (osViGetCurrentFramebuffer() == (u32*)task->framebuffer->fb1) {
return NULL;
}
return task;
}
#ifdef NON_MATCHING
// regalloc
s32 Sched_Schedule(SchedContext* sc, OSScTask** sp, OSScTask** dp, s32 state) {
s32 ret = state;
OSScTask* gfxTask = sc->gfxListHead;
OSScTask* audioTask = sc->audioListHead;
if (sc->doAudio && ret & OS_SC_SP) {
*sp = audioTask;
ret &= ~OS_SC_SP;
sc->doAudio = 0;
sc->audioListHead = sc->audioListHead->next;
if (sc->audioListHead == NULL) {
sc->audioListTail = NULL;
}
} else {
if (gfxTask != NULL) {
if (gfxTask->state & OS_SC_YIELDED || !(sc->gfxListHead->flags & OS_SC_NEEDS_RDP)) {
if (ret & OS_SC_SP) {
*sp = gfxTask;
ret &= ~OS_SC_SP;
sc->gfxListHead = sc->gfxListHead->next;
if (sc->gfxListHead == NULL) {
sc->gfxListTail = NULL;
}
}
} else {
if (ret == (OS_SC_SP | OS_SC_DP)) {
if (sc->gfxListHead->framebuffer == NULL || func_800C89D4(sc, gfxTask) != NULL) {
*sp = *dp = gfxTask;
ret &= ~(OS_SC_SP | OS_SC_DP);
sc->gfxListHead = sc->gfxListHead->next;
if (sc->gfxListHead == NULL) {
sc->gfxListTail = NULL;
}
}
}
}
}
}
return ret;
}
#else
#pragma GLOBAL_ASM("asm/non_matchings/code/sched/Sched_Schedule.s")
#endif
void func_800C8BC4(SchedContext* sc, OSScTask* task) {
if (sc->pendingSwapBuf1 == NULL) {
sc->pendingSwapBuf1 = task->framebuffer;
LogUtils_CheckValidPointer("sc->pending_swapbuffer1", sc->pendingSwapBuf1, "../sched.c", 618);
if ((sc->curBuf == NULL) || (sc->curBuf->updateRate2 < 1)) {
func_800C84E4(sc, task->framebuffer);
}
}
}
u32 Sched_IsComplete(SchedContext* sc, OSScTask* task) {
if (!(task->state & (OS_SC_DP | OS_SC_SP))) {
if (task->msgQ != NULL) {
osSendMesg(task->msgQ, task->msg, OS_MESG_BLOCK);
}
if (task->flags & OS_SC_SWAPBUFFER) {
func_800C8BC4(sc, task);
}
return 1;
}
return 0;
}
void Sched_RunTask(SchedContext* sc, OSScTask* spTask, OSScTask* dpTask) {
if (sc->curRSPTask != NULL) {
__assert("sc->curRSPTask == NULL", "../sched.c", 663);
}
if (spTask != NULL) {
if (spTask->list.t.type == 0) {
if (spTask->flags & OS_SC_NEEDS_RSP) {
spTask->state &= ~OS_SC_SP;
sc->curRSPTask = NULL;
}
if (spTask->flags & OS_SC_NEEDS_RDP) {
spTask->state &= ~OS_SC_DP;
sc->curRDPTask = NULL;
}
Sched_IsComplete(sc, spTask);
return;
}
spTask->state &= ~(OS_SC_YIELD | OS_SC_YIELDED);
osWritebackDCacheAll();
osSpTaskLoad(&spTask->list);
if (spTask->list.t.type == M_AUDTASK) {
sRSPAudioStartTime = osGetTime();
} else if (spTask->list.t.type == M_GFXTASK) {
sRSPGFXStartTime = osGetTime();
} else {
sRSPOtherStartTime = osGetTime();
}
osSpTaskStartGo(&spTask->list);
if (sLogScheduler) {
osSyncPrintf(
"%08d:osSpTaskStartGo(%08x) %s\n", (u32)OS_CYCLES_TO_USEC(osGetTime()), &spTask->list,
(spTask->list.t.type == M_AUDTASK ? "AUDIO" : (spTask->list.t.type == M_GFXTASK ? "GRAPH" : "OTHER")));
}
sc->curRSPTask = spTask;
if (spTask == dpTask && sc->curRDPTask == NULL) {
sc->curRDPTask = dpTask;
sRDPStartTime = sRSPGFXStartTime;
}
}
}
void Sched_HandleEntry(SchedContext* sc) {
OSScTask* nextRSP;
OSScTask* nextRDP;
u32 state;
OSMesg msg;
nextRSP = NULL;
nextRDP = NULL;
msg = NULL;
while (osRecvMesg(&sc->cmdQ, &msg, OS_MESG_NOBLOCK) != -1) {
Sched_QueueTask(sc, msg);
}
if (sc->doAudio != 0 && sc->curRSPTask != NULL) {
if (sLogScheduler) {
osSyncPrintf("[YIELD B]");
}
Sched_Yield(sc);
return;
}
state = ((sc->curRSPTask == 0) * 2) | (sc->curRDPTask == 0);
if (Sched_Schedule(sc, &nextRSP, &nextRDP, state) != state) {
Sched_RunTask(sc, nextRSP, nextRDP);
}
if (sLogScheduler) {
osSyncPrintf("EN sc:%08x sp:%08x dp:%08x state:%x\n", sc, nextRSP, nextRDP, state);
}
}
void Sched_HandleRetrace(SchedContext* sc) {
if (sLogScheduler) {
osSyncPrintf("%08d:scHandleRetrace %08x\n", (u32)OS_CYCLES_TO_USEC(osGetTime()), osViGetCurrentFramebuffer());
}
ViConfig_UpdateBlack();
sc->retraceCnt++;
if (osViGetCurrentFramebuffer() == (u32*)(sc->pendingSwapBuf1 != NULL ? sc->pendingSwapBuf1->swapBuffer : NULL)) {
if (sc->curBuf != NULL) {
sc->curBuf->unk_10 = 0;
}
if (sc->pendingSwapBuf1 != NULL) {
sc->pendingSwapBuf1->unk_10 = 0;
}
sc->curBuf = sc->pendingSwapBuf1;
sc->pendingSwapBuf1 = sc->pendingSwapBuf2;
sc->pendingSwapBuf2 = NULL;
}
if (sc->curBuf != NULL) {
if (sc->curBuf->updateRate2 > 0) {
sc->curBuf->updateRate2--;
}
if ((sc->curBuf->updateRate2 <= 0) && (sc->pendingSwapBuf1 != NULL)) {
func_800C84E4(sc, sc->pendingSwapBuf1);
}
}
if (sLogScheduler) {
osSyncPrintf("%08x %08x %08x %d\n", osViGetCurrentFramebuffer(), osViGetNextFramebuffer(),
sc->pendingSwapBuf1 != NULL ? sc->pendingSwapBuf1->swapBuffer : NULL,
sc->curBuf != NULL ? sc->curBuf->updateRate2 : 0);
}
Sched_HandleEntry(sc);
}
void Sched_HandleRSPDone(SchedContext* sc) {
OSScTask* curRSPTask;
OSScTask* nextRSP;
OSScTask* nextRDP;
s32 state;
nextRSP = NULL;
nextRDP = NULL;
if (sc->curRSPTask == NULL) {
__assert("sc->curRSPTask", "../sched.c", 819);
}
if (sc->curRSPTask->list.t.type == M_AUDTASK) {
gRSPAudioTotalTime += osGetTime() - sRSPAudioStartTime;
} else if (sc->curRSPTask->list.t.type == M_GFXTASK) {
gRSPGFXTotalTime += osGetTime() - sRSPGFXStartTime;
} else {
gRSPOtherTotalTime += osGetTime() - sRSPOtherStartTime;
}
curRSPTask = sc->curRSPTask;
sc->curRSPTask = NULL;
if (sLogScheduler) {
osSyncPrintf("RSP DONE %d %d", curRSPTask->state & 0x10, osSpTaskYielded(&curRSPTask->list));
}
if (curRSPTask->state & OS_SC_YIELD && osSpTaskYielded(&curRSPTask->list)) {
if (sLogScheduler) {
osSyncPrintf("[YIELDED]\n");
}
curRSPTask->state |= OS_SC_YIELDED;
curRSPTask->next = sc->gfxListHead;
sc->gfxListHead = curRSPTask;
if (sc->gfxListTail == NULL) {
sc->gfxListTail = curRSPTask;
}
} else {
if (sLogScheduler) {
osSyncPrintf("[NOT YIELDED]\n");
}
curRSPTask->state &= ~OS_SC_SP;
Sched_IsComplete(sc, curRSPTask);
}
state = ((sc->curRSPTask == NULL) << 1) | (sc->curRDPTask == NULL);
if (Sched_Schedule(sc, &nextRSP, &nextRDP, state) != state) {
Sched_RunTask(sc, nextRSP, nextRDP);
}
if (sLogScheduler) {
osSyncPrintf("SP sc:%08x sp:%08x dp:%08x state:%x\n", sc, nextRSP, nextRDP, state);
}
}
void Sched_HandleRDPDone(SchedContext* sc) {
OSScTask* curTask;
OSScTask* nextRSP;
OSScTask* nextRDP;
s32 state;
nextRSP = NULL;
nextRDP = NULL;
gRDPTotalTime = osGetTime() - sRDPStartTime;
if (sc->curRDPTask == NULL) {
__assert("sc->curRDPTask", "../sched.c", 878);
}
if (sc->curRDPTask->list.t.type != M_GFXTASK) {
__assert("sc->curRDPTask->list.t.type == M_GFXTASK", "../sched.c", 879);
}
curTask = sc->curRDPTask;
sc->curRDPTask = NULL;
curTask->state &= ~OS_SC_DP;
Sched_IsComplete(sc, curTask);
state = ((sc->curRSPTask == NULL) << 1) | (sc->curRDPTask == NULL);
if (Sched_Schedule(sc, &nextRSP, &nextRDP, state) != state) {
Sched_RunTask(sc, nextRSP, nextRDP);
}
if (sLogScheduler) {
osSyncPrintf("DP sc:%08x sp:%08x dp:%08x state:%x\n", sc, nextRSP, nextRDP, state);
}
}
void Sched_SendEntryMsg(OSMesgQueue* mq) {
if (sLogScheduler) {
osSyncPrintf("osScKickEntryMsg\n");
}
osSendMesg(mq, ENTRY_MSG, OS_MESG_BLOCK);
}
void Sched_ThreadEntry(void* arg) {
void* msg;
SchedContext* sc = (SchedContext*)arg;
msg = NULL;
while (1) {
if (sLogScheduler) {
// %08d: standby
osSyncPrintf("%08d:待機中\n", (u32)OS_CYCLES_TO_USEC(osGetTime()));
}
osRecvMesg(&sc->interruptQ, &msg, OS_MESG_BLOCK);
switch ((s32)msg) {
case ENTRY_MSG:
if (sLogScheduler) {
osSyncPrintf("%08d:ENTRY_MSG\n", (u32)OS_CYCLES_TO_USEC(osGetTime()));
}
Sched_HandleEntry(sc);
continue;
case RSP_DONE_MSG:
if (sLogScheduler) {
osSyncPrintf("%08d:RSP_DONE_MSG\n", (u32)OS_CYCLES_TO_USEC(osGetTime()));
}
Sched_HandleRSPDone(sc);
continue;
case RDP_DONE_MSG:
if (sLogScheduler) {
osSyncPrintf("%08d:RDP_DONE_MSG\n", (u32)OS_CYCLES_TO_USEC(osGetTime()));
}
Sched_HandleRDPDone(sc);
continue;
default:
break;
}
switch (((OSScMsg*)msg)->type) {
case 1:
Sched_HandleRetrace(sc);
continue;
case 4:
Sched_HandleReset(sc);
continue;
case 3:
Sched_HandleStart(sc);
continue;
}
}
}
void Sched_Init(SchedContext* sc, void* stack, OSPri priority, UNK_TYPE arg3, UNK_TYPE arg4, IrqMgr* irqMgr) {
bzero(sc, sizeof(SchedContext));
sc->unk_24C = 1;
osCreateMesgQueue(&sc->interruptQ, sc->intBuf, 8);
osCreateMesgQueue(&sc->cmdQ, sc->cmdMsgBuf, 8);
osSetEventMesg(OS_EVENT_SP, &sc->interruptQ, RSP_DONE_MSG);
osSetEventMesg(OS_EVENT_DP, &sc->interruptQ, RDP_DONE_MSG);
IrqMgr_AddClient(irqMgr, &sc->irqClient, &sc->interruptQ);
osCreateThread(&sc->thread, 5, Sched_ThreadEntry, sc, stack, priority);
osStartThread(&sc->thread);
}
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