mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-13 16:45:46 +00:00
933c8abb55
Some games misuse it, need to return an error.
445 lines
11 KiB
C++
445 lines
11 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "Core/CoreTiming.h"
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#include "Core/Reporting.h"
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#include "sceKernel.h"
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#include "sceKernelInterrupt.h"
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#include "sceKernelMemory.h"
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#include "sceKernelVTimer.h"
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#include "HLE.h"
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#include "ChunkFile.h"
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static int vtimerTimer = -1;
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static std::list<SceUID> vtimers;
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struct NativeVTimer {
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SceSize size;
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char name[KERNELOBJECT_MAX_NAME_LENGTH+1];
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int active;
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u64 base;
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u64 current;
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u64 schedule;
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u32 handlerAddr;
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u32 commonAddr;
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};
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struct VTimer : public KernelObject {
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const char *GetName() {return nvt.name;}
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const char *GetTypeName() {return "VTimer";}
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static u32 GetMissingErrorCode() { return SCE_KERNEL_ERROR_UNKNOWN_VTID; }
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static int GetStaticIDType() { return SCE_KERNEL_TMID_VTimer; }
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int GetIDType() const { return SCE_KERNEL_TMID_VTimer; }
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virtual void DoState(PointerWrap &p) {
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p.Do(nvt);
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p.Do(memoryPtr);
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p.DoMarker("VTimer");
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}
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NativeVTimer nvt;
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u32 memoryPtr;
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};
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KernelObject *__KernelVTimerObject() {
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return new VTimer;
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}
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u64 __getVTimerRunningTime(VTimer *vt) {
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if (!vt->nvt.active)
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return 0;
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return cyclesToUs(CoreTiming::GetTicks()) - vt->nvt.base;
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}
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u64 __getVTimerCurrentTime(VTimer* vt) {
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return vt->nvt.current + __getVTimerRunningTime(vt);
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}
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void __cancelVTimer(SceUID id) {
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(id, error);
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if (error)
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return;
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CoreTiming::UnscheduleEvent(vtimerTimer, id);
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vt->nvt.schedule = 0;
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vt->nvt.handlerAddr = 0;
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vt->nvt.commonAddr = 0;
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}
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void __KernelScheduleVTimer(VTimer *vt, u64 schedule) {
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CoreTiming::UnscheduleEvent(vtimerTimer, vt->GetUID());
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vt->nvt.schedule = schedule;
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if (vt->nvt.active == 1 && vt->nvt.handlerAddr != 0)
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// this delay makes the test pass, not sure if it's right
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CoreTiming::ScheduleEvent(usToCycles(vt->nvt.schedule + 372), vtimerTimer, vt->GetUID());
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}
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void __rescheduleVTimer(SceUID id, int delay) {
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(id, error);
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if (error)
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return;
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if (delay < 0)
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delay = 100;
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u64 schedule = vt->nvt.schedule + delay;
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__KernelScheduleVTimer(vt, schedule);
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}
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class VTimerIntrHandler : public IntrHandler
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{
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public:
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VTimerIntrHandler() : IntrHandler(PSP_SYSTIMER1_INTR) {}
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virtual bool run(PendingInterrupt &pend) {
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u32 error;
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SceUID vtimerID = vtimers.front();
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VTimer *vtimer = kernelObjects.Get<VTimer>(vtimerID, error);
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if (error)
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return false;
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if (vtimer->memoryPtr == 0) {
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u32 size = 16;
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vtimer->memoryPtr = kernelMemory.Alloc(size, true, "VTimer");
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}
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Memory::Write_U64(vtimer->nvt.schedule, vtimer->memoryPtr);
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Memory::Write_U64(__getVTimerCurrentTime(vtimer), vtimer->memoryPtr + 8);
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currentMIPS->pc = vtimer->nvt.handlerAddr;
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currentMIPS->r[MIPS_REG_A0] = vtimer->GetUID();
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currentMIPS->r[MIPS_REG_A1] = vtimer->memoryPtr;
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currentMIPS->r[MIPS_REG_A2] = vtimer->memoryPtr + 8;
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currentMIPS->r[MIPS_REG_A3] = vtimer->nvt.commonAddr;
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return true;
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}
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virtual void handleResult(PendingInterrupt &pend) {
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int result = currentMIPS->r[MIPS_REG_V0];
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int vtimerID = vtimers.front();
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vtimers.pop_front();
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if (result == 0)
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__cancelVTimer(vtimerID);
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else
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__rescheduleVTimer(vtimerID, result);
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}
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};
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void __KernelTriggerVTimer(u64 userdata, int cyclesLate) {
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SceUID uid = (SceUID) userdata;
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (vt) {
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vtimers.push_back(uid);
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__TriggerInterrupt(PSP_INTR_IMMEDIATE, PSP_SYSTIMER1_INTR);
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}
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}
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void __KernelVTimerDoState(PointerWrap &p) {
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p.Do(vtimerTimer);
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p.Do(vtimers);
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CoreTiming::RestoreRegisterEvent(vtimerTimer, "VTimer", __KernelTriggerVTimer);
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p.DoMarker("sceKernelVTimer");
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}
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void __KernelVTimerInit() {
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vtimers.clear();
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__RegisterIntrHandler(PSP_SYSTIMER1_INTR, new VTimerIntrHandler());
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vtimerTimer = CoreTiming::RegisterEvent("VTimer", __KernelTriggerVTimer);
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}
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u32 sceKernelCreateVTimer(const char *name, u32 optParamAddr) {
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DEBUG_LOG(HLE, "sceKernelCreateVTimer(%s, %08x)", name, optParamAddr);
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if (optParamAddr != 0)
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WARN_LOG_REPORT(HLE, "sceKernelCreateVTimer: unsupported options parameter %08x", optParamAddr);
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VTimer *vtimer = new VTimer;
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SceUID id = kernelObjects.Create(vtimer);
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memset(&vtimer->nvt, 0, sizeof(NativeVTimer));
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vtimer->nvt.size = sizeof(NativeVTimer);
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strncpy(vtimer->nvt.name, name, KERNELOBJECT_MAX_NAME_LENGTH);
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vtimer->nvt.name[KERNELOBJECT_MAX_NAME_LENGTH] = '\0';
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vtimer->memoryPtr = 0;
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return id;
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}
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u32 sceKernelDeleteVTimer(u32 uid) {
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DEBUG_LOG(HLE, "sceKernelDeleteVTimer(%08x)", uid);
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u32 error;
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VTimer* vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelDeleteVTimer(%08x)", error, uid);
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return error;
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}
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for (std::list<SceUID>::iterator it = vtimers.begin(); it != vtimers.end(); ++it) {
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if (*it == vt->GetUID()) {
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vtimers.erase(it);
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break;
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}
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}
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if (vt->memoryPtr != 0)
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kernelMemory.Free(vt->memoryPtr);
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return kernelObjects.Destroy<VTimer>(uid);
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}
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u32 sceKernelGetVTimerBase(u32 uid, u32 baseClockAddr) {
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DEBUG_LOG(HLE, "sceKernelGetVTimerBase(%08x, %08x)", uid, baseClockAddr);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelGetVTimerBase(%08x, %08x)", error, uid, baseClockAddr);
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return error;
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}
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if (Memory::IsValidAddress(baseClockAddr))
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Memory::Write_U64(vt->nvt.base, baseClockAddr);
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return 0;
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}
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u64 sceKernelGetVTimerBaseWide(u32 uid) {
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DEBUG_LOG(HLE, "sceKernelGetVTimerBaseWide(%08x)", uid);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelGetVTimerBaseWide(%08x)", error, uid);
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return error;
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}
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return vt->nvt.base;
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}
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u32 sceKernelGetVTimerTime(u32 uid, u32 timeClockAddr) {
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DEBUG_LOG(HLE, "sceKernelGetVTimerTime(%08x, %08x)", uid, timeClockAddr);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelGetVTimerTime(%08x, %08x)", error, uid, timeClockAddr);
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return error;
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}
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u64 time = __getVTimerCurrentTime(vt);
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if (Memory::IsValidAddress(timeClockAddr))
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Memory::Write_U64(time, timeClockAddr);
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return 0;
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}
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u64 sceKernelGetVTimerTimeWide(u32 uid) {
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DEBUG_LOG(HLE, "sceKernelGetVTimerTimeWide(%08x)", uid);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelGetVTimerTimeWide(%08x)", error, uid);
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return error;
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}
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u64 time = __getVTimerCurrentTime(vt);
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return time;
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}
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u64 __setVTimer(VTimer *vt, u64 time) {
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u64 current = __getVTimerCurrentTime(vt);
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vt->nvt.base = vt->nvt.base + __getVTimerCurrentTime(vt) - time;
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vt->nvt.current = 0;
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return current;
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}
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u32 sceKernelSetVTimerTime(u32 uid, u32 timeClockAddr) {
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DEBUG_LOG(HLE, "sceKernelSetVTimerTime(%08x, %08x)", uid, timeClockAddr);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelSetVTimerTime(%08x, %08x)", error, uid, timeClockAddr);
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return error;
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}
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u64 time = Memory::Read_U64(timeClockAddr);
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if (Memory::IsValidAddress(timeClockAddr))
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Memory::Write_U64(__setVTimer(vt, time), timeClockAddr);
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return 0;
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}
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u32 sceKernelSetVTimerTimeWide(u32 uid, u64 timeClock) {
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DEBUG_LOG(HLE, "sceKernelSetVTimerTimeWide(%08x, %llu", uid, timeClock);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelSetVTimerTimeWide(%08x, %llu)", error, uid, timeClock);
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return error;
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}
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if (vt == NULL) {
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return -1;
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}
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return __setVTimer(vt, timeClock);
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}
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void __startVTimer(VTimer *vt) {
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vt->nvt.active = 1;
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vt->nvt.base = cyclesToUs(CoreTiming::GetTicks());
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if (vt->nvt.schedule != 0 && vt->nvt.handlerAddr != 0)
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__KernelScheduleVTimer(vt, vt->nvt.schedule);
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}
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u32 sceKernelStartVTimer(u32 uid) {
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DEBUG_LOG(HLE, "sceKernelStartVTimer(%08x)", uid);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (vt) {
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if (vt->nvt.active)
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return 1;
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__startVTimer(vt);
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return 0;
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}
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return error;
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}
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void __stopVTimer(VTimer *vt) {
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vt->nvt.current += __getVTimerCurrentTime(vt);
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vt->nvt.active = 0;
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vt->nvt.base = 0;
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}
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u32 sceKernelStopVTimer(u32 uid) {
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DEBUG_LOG(HLE, "sceKernelStopVTimer(%08x)", uid);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (vt) {
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if (vt->nvt.active == 0)
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return 0;
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__stopVTimer(vt);
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return 1;
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}
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return error;
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}
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u32 sceKernelSetVTimerHandler(u32 uid, u32 scheduleAddr, u32 handlerFuncAddr, u32 commonAddr) {
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DEBUG_LOG(HLE, "sceKernelSetVTimerHandler(%08x, %08x, %08x, %08x)", uid, scheduleAddr, handlerFuncAddr, commonAddr);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelSetVTimerHandler(%08x, %08x, %08x, %08x)", error, uid, scheduleAddr, handlerFuncAddr, commonAddr);
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return error;
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}
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u64 schedule = Memory::Read_U64(scheduleAddr);
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vt->nvt.handlerAddr = handlerFuncAddr;
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vt->nvt.commonAddr = commonAddr;
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__KernelScheduleVTimer(vt, schedule);
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return 0;
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}
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u32 sceKernelSetVTimerHandlerWide(u32 uid, u64 schedule, u32 handlerFuncAddr, u32 commonAddr) {
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DEBUG_LOG(HLE, "sceKernelSetVTimerHandlerWide(%08x, %llu, %08x, %08x)", uid, schedule, handlerFuncAddr, commonAddr);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelSetVTimerHandlerWide(%08x, %llu, %08x, %08x)", error, uid, schedule, handlerFuncAddr, commonAddr);
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return error;
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}
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vt->nvt.handlerAddr = handlerFuncAddr;
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vt->nvt.commonAddr = commonAddr;
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__KernelScheduleVTimer(vt, schedule);
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return 0;
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}
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u32 sceKernelCancelVTimerHandler(u32 uid) {
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DEBUG_LOG(HLE, "sceKernelCancelVTimerHandler(%08x)", uid);
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//__cancelVTimer checks if uid is valid
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__cancelVTimer(uid);
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return 0;
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}
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u32 sceKernelReferVTimerStatus(u32 uid, u32 statusAddr) {
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DEBUG_LOG(HLE, "sceKernelReferVTimerStatus(%08x, %08x)", uid, statusAddr);
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u32 error;
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VTimer *vt = kernelObjects.Get<VTimer>(uid, error);
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if (error) {
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WARN_LOG(HLE, "%08x=sceKernelReferVTimerStatus(%08x, %08x)", error, uid, statusAddr);
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return error;
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}
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if (Memory::IsValidAddress(statusAddr))
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Memory::WriteStruct(statusAddr, &vt->nvt);
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return 0;
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}
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// Not sure why this is exposed...
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void _sceKernelReturnFromTimerHandler() {
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ERROR_LOG(HLE,"_sceKernelReturnFromTimerHandler - should not be called!");
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}
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