mirror of
https://github.com/libretro/ppsspp.git
synced 2024-12-14 04:28:42 +00:00
351 lines
8.3 KiB
C++
351 lines
8.3 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 "HLE.h"
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#include "../MIPS/MIPS.h"
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#include "../../Core/CoreTiming.h"
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#include "sceUmd.h"
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#include "sceKernelThread.h"
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const int PSP_ERROR_UMD_INVALID_PARAM = 0x80010016;
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#define UMD_NOT_PRESENT 0x01
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#define UMD_PRESENT 0x02
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#define UMD_CHANGED 0x04
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#define UMD_NOT_READY 0x08
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#define UMD_READY 0x10
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#define UMD_READABLE 0x20
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static u8 umdActivated = 1;
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static u32 umdStatus = 0;
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static u32 umdErrorStat = 0;
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static int driveCBId = -1;
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static int umdStatTimer = -1;
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#define PSP_UMD_TYPE_GAME 0x10
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#define PSP_UMD_TYPE_VIDEO 0x20
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#define PSP_UMD_TYPE_AUDIO 0x40
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struct PspUmdInfo {
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u32 size;
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u32 type;
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};
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void __UmdStatTimeout(u64 userdata, int cyclesLate);
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void __UmdInit()
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{
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umdStatTimer = CoreTiming::RegisterEvent("UmdTimeout", __UmdStatTimeout);
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umdActivated = 1;
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umdStatus = 0;
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umdErrorStat = 0;
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driveCBId = -1;
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}
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void __UmdDoState(PointerWrap &p)
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{
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p.Do(umdActivated);
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p.Do(umdStatus);
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p.Do(umdErrorStat);
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p.Do(driveCBId);
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p.Do(umdStatTimer);
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CoreTiming::RestoreRegisterEvent(umdStatTimer, "UmdTimeout", __UmdStatTimeout);
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p.DoMarker("sceUmd");
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}
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u8 __KernelUmdGetState()
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{
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u8 state = UMD_PRESENT;
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if (umdActivated) {
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state |= UMD_READY;
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state |= UMD_READABLE;
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}
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// TODO: My tests give UMD_READY but I suppose that's when it's been sitting in the drive?
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else
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state |= UMD_NOT_READY;
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return state;
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}
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void __KernelUmdActivate()
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{
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umdActivated = 1;
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}
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void __KernelUmdDeactivate()
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{
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umdActivated = 0;
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}
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// typedef int (*UmdCallback)(int unknown, int event);
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//int sceUmdCheckMedium(int a);
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int sceUmdCheckMedium()
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{
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DEBUG_LOG(HLE,"1=sceUmdCheckMedium(?)");
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//ignore PARAM(0)
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return 1; //non-zero: disc in drive
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}
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u32 sceUmdGetDiscInfo(u32 infoAddr)
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{
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DEBUG_LOG(HLE, "sceUmdGetDiscInfo(%08x)", infoAddr);
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if (Memory::IsValidAddress(infoAddr))
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{
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PspUmdInfo info;
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Memory::ReadStruct(infoAddr, &info);
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if (info.size != 8)
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return PSP_ERROR_UMD_INVALID_PARAM;
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info.type = PSP_UMD_TYPE_GAME;
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Memory::WriteStruct(infoAddr, &info);
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return 0;
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}
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else
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return PSP_ERROR_UMD_INVALID_PARAM;
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}
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int sceUmdActivate(u32 unknown, const char *name)
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{
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if (unknown < 1 || unknown > 2)
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return PSP_ERROR_UMD_INVALID_PARAM;
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bool changed = umdActivated == 0;
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__KernelUmdActivate();
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if (unknown == 1)
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{
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DEBUG_LOG(HLE, "0=sceUmdActivate(%d, %s)", unknown, name);
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}
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else
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{
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ERROR_LOG(HLE, "UNTESTED 0=sceUmdActivate(%d, %s)", unknown, name);
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}
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u32 notifyArg = UMD_PRESENT | UMD_READABLE;
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__KernelNotifyCallbackType(THREAD_CALLBACK_UMD, -1, notifyArg);
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return 0;
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}
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int sceUmdDeactivate(u32 unknown, const char *name)
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{
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// Why 18? No idea.
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if (unknown > 18)
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return PSP_ERROR_UMD_INVALID_PARAM;
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bool changed = umdActivated != 0;
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__KernelUmdDeactivate();
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if (unknown == 1)
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{
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DEBUG_LOG(HLE, "0=sceUmdDeactivate(%d, %s)", unknown, name);
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}
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else
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{
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ERROR_LOG(HLE, "UNTESTED 0=sceUmdDeactivate(%d, %s)", unknown, name);
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}
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u32 notifyArg = UMD_PRESENT | UMD_READY;
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__KernelNotifyCallbackType(THREAD_CALLBACK_UMD, -1, notifyArg);
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return 0;
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}
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u32 sceUmdRegisterUMDCallBack(u32 cbId)
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{
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int retVal;
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// TODO: If the callback is invalid, return PSP_ERROR_UMD_INVALID_PARAM.
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if (cbId == 0)
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retVal = PSP_ERROR_UMD_INVALID_PARAM;
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else
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{
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// Remove the old one, we're replacing.
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if (driveCBId != -1)
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__KernelUnregisterCallback(THREAD_CALLBACK_UMD, driveCBId);
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retVal = __KernelRegisterCallback(THREAD_CALLBACK_UMD, cbId);
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driveCBId = cbId;
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}
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DEBUG_LOG(HLE, "%d=sceUmdRegisterUMDCallback(id=%08x)", retVal, cbId);
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return retVal;
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}
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u32 sceUmdUnRegisterUMDCallBack(u32 cbId)
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{
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u32 retVal;
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if (cbId != driveCBId)
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retVal = PSP_ERROR_UMD_INVALID_PARAM;
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else
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{
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retVal = cbId;
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driveCBId = -1;
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__KernelUnregisterCallback(THREAD_CALLBACK_UMD, cbId);
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}
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DEBUG_LOG(HLE, "%08x=sceUmdUnRegisterUMDCallBack(id=%08x)", retVal, cbId);
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return retVal;
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}
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u32 sceUmdGetDriveStat()
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{
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//u32 retVal = PSP_UMD_INITED | PSP_UMD_READY | PSP_UMD_PRESENT;
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u32 retVal = __KernelUmdGetState();
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DEBUG_LOG(HLE,"0x%02x=sceUmdGetDriveStat()",retVal);
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return retVal;
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}
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void __UmdStatTimeout(u64 userdata, int cyclesLate)
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{
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SceUID threadID = (SceUID)userdata;
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u32 error;
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SceUID waitID = __KernelGetWaitID(threadID, WAITTYPE_UMD, error);
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// Assuming it's still waiting.
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if (waitID == 1)
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__KernelResumeThreadFromWait(threadID, SCE_KERNEL_ERROR_WAIT_TIMEOUT);
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}
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void __UmdWaitStat(u32 timeout)
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{
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// This happens to be how the hardware seems to time things.
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if (timeout <= 4)
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timeout = 15;
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else if (timeout <= 215)
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timeout = 250;
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CoreTiming::ScheduleEvent(usToCycles((int) timeout), umdStatTimer, __KernelGetCurThread());
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}
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/**
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* Wait for a drive to reach a certain state
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*
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* @param stat - The drive stat to wait for.
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* @return < 0 on error
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*
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*/
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int sceUmdWaitDriveStat(u32 stat)
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{
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DEBUG_LOG(HLE,"0=sceUmdWaitDriveStat(stat = %08x)", stat);
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if ((stat & __KernelUmdGetState()) == 0)
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__KernelWaitCurThread(WAITTYPE_UMD, 1, stat, 0, 0, "umd stat waited");
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return 0;
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}
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int sceUmdWaitDriveStatWithTimer(u32 stat, u32 timeout)
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{
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DEBUG_LOG(HLE,"0=sceUmdWaitDriveStatWithTimer(stat = %08x, timeout = %d)", stat, timeout);
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if ((stat & __KernelUmdGetState()) == 0)
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{
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__UmdWaitStat(timeout);
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__KernelWaitCurThread(WAITTYPE_UMD, 1, stat, 0, 0, "umd stat waited");
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}
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else
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hleReSchedule("umd stat waited with timer");
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return 0;
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}
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int sceUmdWaitDriveStatCB(u32 stat, u32 timeout)
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{
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if (driveCBId != -1)
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{
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DEBUG_LOG(HLE,"0=sceUmdWaitDriveStatCB(stat = %08x, timeout = %d)", stat, timeout);
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}
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else
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{
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WARN_LOG(HLE, "0=sceUmdWaitDriveStatCB(stat = %08x, timeout = %d) without callback", stat, timeout);
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}
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hleCheckCurrentCallbacks();
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if ((stat & __KernelUmdGetState()) == 0)
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{
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if (timeout == 0)
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timeout = 8000;
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__UmdWaitStat(timeout);
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__KernelWaitCurThread(WAITTYPE_UMD, 1, stat, 0, true, "umd stat waited");
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}
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else
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hleReSchedule("umd stat waited");
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return 0;
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}
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u32 sceUmdCancelWaitDriveStat()
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{
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DEBUG_LOG(HLE,"0=sceUmdCancelWaitDriveStat()");
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__KernelTriggerWait(WAITTYPE_UMD, 1, SCE_KERNEL_ERROR_WAIT_CANCEL, "umd stat ready", true);
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// TODO: We should call UnscheduleEvent() event here?
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// But it's not often used anyway, and worst-case it will just do nothing unless it waits again.
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return 0;
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}
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u32 sceUmdGetErrorStat()
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{
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DEBUG_LOG(HLE,"%i=sceUmdGetErrorStat()", umdErrorStat);
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return umdErrorStat;
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}
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u32 sceUmdReplaceProhibit()
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{
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DEBUG_LOG(HLE,"sceUmdReplaceProhibit()");
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return 0;
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}
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u32 sceUmdReplacePermit()
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{
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DEBUG_LOG(HLE,"sceUmdReplacePermit()");
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return 0;
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}
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const HLEFunction sceUmdUser[] =
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{
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{0xC6183D47,WrapI_UC<sceUmdActivate>,"sceUmdActivate"},
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{0x6B4A146C,&WrapU_V<sceUmdGetDriveStat>,"sceUmdGetDriveStat"},
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{0x46EBB729,WrapI_V<sceUmdCheckMedium>,"sceUmdCheckMedium"},
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{0xE83742BA,WrapI_UC<sceUmdDeactivate>,"sceUmdDeactivate"},
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{0x8EF08FCE,WrapI_U<sceUmdWaitDriveStat>,"sceUmdWaitDriveStat"},
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{0x56202973,WrapI_UU<sceUmdWaitDriveStatWithTimer>,"sceUmdWaitDriveStatWithTimer"},
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{0x4A9E5E29,WrapI_UU<sceUmdWaitDriveStatCB>,"sceUmdWaitDriveStatCB"},
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{0x6af9b50a,WrapU_V<sceUmdCancelWaitDriveStat>,"sceUmdCancelWaitDriveStat"},
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{0x6B4A146C,&WrapU_V<sceUmdGetDriveStat>,"sceUmdGetDriveStat"},
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{0x20628E6F,&WrapU_V<sceUmdGetErrorStat>,"sceUmdGetErrorStat"},
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{0x340B7686,WrapU_U<sceUmdGetDiscInfo>,"sceUmdGetDiscInfo"},
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{0xAEE7404D,&WrapU_U<sceUmdRegisterUMDCallBack>,"sceUmdRegisterUMDCallBack"},
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{0xBD2BDE07,&WrapU_U<sceUmdUnRegisterUMDCallBack>,"sceUmdUnRegisterUMDCallBack"},
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{0x87533940,WrapU_V<sceUmdReplaceProhibit>,"sceUmdReplaceProhibit"},
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{0x87533940,WrapU_V<sceUmdReplacePermit>,"sceUmdReplacePermit"},
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};
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void Register_sceUmdUser()
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{
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RegisterModule("sceUmdUser", ARRAY_SIZE(sceUmdUser), sceUmdUser);
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}
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