ppsspp/Core/HLE/sceUmd.cpp
2012-12-28 13:55:28 -08:00

351 lines
8.2 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "HLE.h"
#include "../MIPS/MIPS.h"
#include "../../Core/CoreTiming.h"
#include "sceUmd.h"
#include "sceKernelThread.h"
const int PSP_ERROR_UMD_INVALID_PARAM = 0x80010016;
#define UMD_NOT_PRESENT 0x01
#define UMD_PRESENT 0x02
#define UMD_CHANGED 0x04
#define UMD_NOT_READY 0x08
#define UMD_READY 0x10
#define UMD_READABLE 0x20
static u8 umdActivated = 1;
static u32 umdStatus = 0;
static u32 umdErrorStat = 0;
static int driveCBId = -1;
static int umdStatTimer = 0;
#define PSP_UMD_TYPE_GAME 0x10
#define PSP_UMD_TYPE_VIDEO 0x20
#define PSP_UMD_TYPE_AUDIO 0x40
struct PspUmdInfo {
u32 size;
u32 type;
};
void __UmdStatTimeout(u64 userdata, int cyclesLate);
void __UmdInit()
{
umdStatTimer = CoreTiming::RegisterEvent("UmdTimeout", __UmdStatTimeout);
umdActivated = 1;
umdStatus = 0;
umdErrorStat = 0;
driveCBId = -1;
}
void __UmdDoState(PointerWrap &p)
{
p.Do(umdActivated);
p.Do(umdStatus);
p.Do(umdErrorStat);
p.Do(driveCBId);
p.Do(umdStatTimer);
CoreTiming::RestoreRegisterEvent(umdStatTimer, "UmdTimeout", __UmdStatTimeout);
p.DoMarker("sceUmd");
}
u8 __KernelUmdGetState()
{
u8 state = UMD_PRESENT;
if (umdActivated) {
state |= UMD_READY;
state |= UMD_READABLE;
}
// TODO: My tests give UMD_READY but I suppose that's when it's been sitting in the drive?
else
state |= UMD_NOT_READY;
return state;
}
void __KernelUmdActivate()
{
umdActivated = 1;
}
void __KernelUmdDeactivate()
{
umdActivated = 0;
}
// typedef int (*UmdCallback)(int unknown, int event);
//int sceUmdCheckMedium(int a);
int sceUmdCheckMedium()
{
DEBUG_LOG(HLE,"1=sceUmdCheckMedium(?)");
//ignore PARAM(0)
return 1; //non-zero: disc in drive
}
u32 sceUmdGetDiscInfo(u32 infoAddr)
{
DEBUG_LOG(HLE, "sceUmdGetDiscInfo(%08x)", infoAddr);
if (Memory::IsValidAddress(infoAddr))
{
PspUmdInfo info;
Memory::ReadStruct(infoAddr, &info);
if (info.size != 8)
return PSP_ERROR_UMD_INVALID_PARAM;
info.type = PSP_UMD_TYPE_GAME;
Memory::WriteStruct(infoAddr, &info);
return 0;
}
else
return PSP_ERROR_UMD_INVALID_PARAM;
}
int sceUmdActivate(u32 unknown, const char *name)
{
if (unknown < 1 || unknown > 2)
return PSP_ERROR_UMD_INVALID_PARAM;
bool changed = umdActivated == 0;
__KernelUmdActivate();
if (unknown == 1)
{
DEBUG_LOG(HLE, "0=sceUmdActivate(%d, %s)", unknown, name);
}
else
{
ERROR_LOG(HLE, "UNTESTED 0=sceUmdActivate(%d, %s)", unknown, name);
}
u32 notifyArg = UMD_PRESENT | UMD_READABLE;
__KernelNotifyCallbackType(THREAD_CALLBACK_UMD, -1, notifyArg);
return 0;
}
int sceUmdDeactivate(u32 unknown, const char *name)
{
// Why 18? No idea.
if (unknown > 18)
return PSP_ERROR_UMD_INVALID_PARAM;
bool changed = umdActivated != 0;
__KernelUmdDeactivate();
if (unknown == 1)
{
DEBUG_LOG(HLE, "0=sceUmdDeactivate(%d, %s)", unknown, name);
}
else
{
ERROR_LOG(HLE, "UNTESTED 0=sceUmdDeactivate(%d, %s)", unknown, name);
}
u32 notifyArg = UMD_PRESENT | UMD_READY;
__KernelNotifyCallbackType(THREAD_CALLBACK_UMD, -1, notifyArg);
return 0;
}
u32 sceUmdRegisterUMDCallBack(u32 cbId)
{
int retVal;
// TODO: If the callback is invalid, return PSP_ERROR_UMD_INVALID_PARAM.
if (cbId == 0)
retVal = PSP_ERROR_UMD_INVALID_PARAM;
else
{
// Remove the old one, we're replacing.
if (driveCBId != -1)
__KernelUnregisterCallback(THREAD_CALLBACK_UMD, driveCBId);
retVal = __KernelRegisterCallback(THREAD_CALLBACK_UMD, cbId);
driveCBId = cbId;
}
DEBUG_LOG(HLE, "%d=sceUmdRegisterUMDCallback(id=%08x)", retVal, cbId);
return retVal;
}
u32 sceUmdUnRegisterUMDCallBack(u32 cbId)
{
u32 retVal;
if (cbId != driveCBId)
retVal = PSP_ERROR_UMD_INVALID_PARAM;
else
{
retVal = cbId;
driveCBId = -1;
__KernelUnregisterCallback(THREAD_CALLBACK_UMD, cbId);
}
DEBUG_LOG(HLE, "%08x=sceUmdUnRegisterUMDCallBack(id=%08x)", retVal, cbId);
return retVal;
}
u32 sceUmdGetDriveStat()
{
//u32 retVal = PSP_UMD_INITED | PSP_UMD_READY | PSP_UMD_PRESENT;
u32 retVal = __KernelUmdGetState();
DEBUG_LOG(HLE,"0x%02x=sceUmdGetDriveStat()",retVal);
return retVal;
}
void __UmdStatTimeout(u64 userdata, int cyclesLate)
{
SceUID threadID = (SceUID)userdata;
u32 error;
SceUID waitID = __KernelGetWaitID(threadID, WAITTYPE_UMD, error);
// Assuming it's still waiting.
if (waitID == 1)
__KernelResumeThreadFromWait(threadID, SCE_KERNEL_ERROR_WAIT_TIMEOUT);
}
void __UmdWaitStat(u32 timeout)
{
// This happens to be how the hardware seems to time things.
if (timeout <= 4)
timeout = 15;
else if (timeout <= 215)
timeout = 250;
CoreTiming::ScheduleEvent(usToCycles((int) timeout), umdStatTimer, __KernelGetCurThread());
}
/**
* Wait for a drive to reach a certain state
*
* @param stat - The drive stat to wait for.
* @return < 0 on error
*
*/
int sceUmdWaitDriveStat(u32 stat)
{
DEBUG_LOG(HLE,"0=sceUmdWaitDriveStat(stat = %08x)", stat);
if ((stat & __KernelUmdGetState()) == 0)
__KernelWaitCurThread(WAITTYPE_UMD, 1, stat, 0, 0);
return 0;
}
int sceUmdWaitDriveStatWithTimer(u32 stat, u32 timeout)
{
DEBUG_LOG(HLE,"0=sceUmdWaitDriveStatWithTimer(stat = %08x, timeout = %d)", stat, timeout);
if ((stat & __KernelUmdGetState()) == 0)
{
__UmdWaitStat(timeout);
__KernelWaitCurThread(WAITTYPE_UMD, 1, stat, 0, 0);
}
else
hleReSchedule("umd stat waited with timer");
return 0;
}
int sceUmdWaitDriveStatCB(u32 stat, u32 timeout)
{
if (driveCBId != -1)
{
DEBUG_LOG(HLE,"0=sceUmdWaitDriveStatCB(stat = %08x, timeout = %d)", stat, timeout);
}
else
{
WARN_LOG(HLE, "0=sceUmdWaitDriveStatCB(stat = %08x, timeout = %d) without callback", stat, timeout);
}
hleCheckCurrentCallbacks();
if ((stat & __KernelUmdGetState()) == 0)
{
if (timeout == 0)
timeout = 8000;
__UmdWaitStat(timeout);
__KernelWaitCurThread(WAITTYPE_UMD, 1, stat, 0, true);
}
else
hleReSchedule("umd stat waited");
return 0;
}
u32 sceUmdCancelWaitDriveStat()
{
DEBUG_LOG(HLE,"0=sceUmdCancelWaitDriveStat()");
__KernelTriggerWait(WAITTYPE_UMD, 1, SCE_KERNEL_ERROR_WAIT_CANCEL, true);
// TODO: We should call UnscheduleEvent() event here?
// But it's not often used anyway, and worst-case it will just do nothing unless it waits again.
return 0;
}
u32 sceUmdGetErrorStat()
{
DEBUG_LOG(HLE,"%i=sceUmdGetErrorStat()", umdErrorStat);
return umdErrorStat;
}
u32 sceUmdReplaceProhibit()
{
DEBUG_LOG(HLE,"sceUmdReplaceProhibit()");
return 0;
}
u32 sceUmdReplacePermit()
{
DEBUG_LOG(HLE,"sceUmdReplacePermit()");
return 0;
}
const HLEFunction sceUmdUser[] =
{
{0xC6183D47,WrapI_UC<sceUmdActivate>,"sceUmdActivate"},
{0x6B4A146C,&WrapU_V<sceUmdGetDriveStat>,"sceUmdGetDriveStat"},
{0x46EBB729,WrapI_V<sceUmdCheckMedium>,"sceUmdCheckMedium"},
{0xE83742BA,WrapI_UC<sceUmdDeactivate>,"sceUmdDeactivate"},
{0x8EF08FCE,WrapI_U<sceUmdWaitDriveStat>,"sceUmdWaitDriveStat"},
{0x56202973,WrapI_UU<sceUmdWaitDriveStatWithTimer>,"sceUmdWaitDriveStatWithTimer"},
{0x4A9E5E29,WrapI_UU<sceUmdWaitDriveStatCB>,"sceUmdWaitDriveStatCB"},
{0x6af9b50a,WrapU_V<sceUmdCancelWaitDriveStat>,"sceUmdCancelWaitDriveStat"},
{0x6B4A146C,&WrapU_V<sceUmdGetDriveStat>,"sceUmdGetDriveStat"},
{0x20628E6F,&WrapU_V<sceUmdGetErrorStat>,"sceUmdGetErrorStat"},
{0x340B7686,WrapU_U<sceUmdGetDiscInfo>,"sceUmdGetDiscInfo"},
{0xAEE7404D,&WrapU_U<sceUmdRegisterUMDCallBack>,"sceUmdRegisterUMDCallBack"},
{0xBD2BDE07,&WrapU_U<sceUmdUnRegisterUMDCallBack>,"sceUmdUnRegisterUMDCallBack"},
{0x87533940,WrapU_V<sceUmdReplaceProhibit>,"sceUmdReplaceProhibit"},
{0x87533940,WrapU_V<sceUmdReplacePermit>,"sceUmdReplacePermit"},
};
void Register_sceUmdUser()
{
RegisterModule("sceUmdUser", ARRAY_SIZE(sceUmdUser), sceUmdUser);
}