ppsspp/Core/HLE/sceKernelTime.cpp
2012-11-22 22:30:44 +01:00

148 lines
3.9 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/.
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include <time.h>
#include "HLE.h"
#include "../MIPS/MIPS.h"
#include "sceKernel.h"
#include "sceKernelTime.h"
#include "../CoreTiming.h"
//////////////////////////////////////////////////////////////////////////
// Other clock stuff
//////////////////////////////////////////////////////////////////////////
struct SceKernelSysClock
{
u32 lo;
u32 hi;
};
void sceKernelGetSystemTime()
{
SceKernelSysClock *clock = (SceKernelSysClock*)Memory::GetPointer(PARAM(0));
u64 t = CoreTiming::GetTicks() / CoreTiming::GetClockFrequencyMHz();
clock->lo = (u32)t;
clock->hi = t >> 32;
DEBUG_LOG(HLE,"sceKernelGetSystemTime(out:%08x%08x)",clock->hi, clock->lo);
RETURN(0);
}
void sceKernelGetSystemTimeLow()
{
// This clock should tick at 1 Mhz.
u64 t = CoreTiming::GetTicks() / CoreTiming::GetClockFrequencyMHz();
// DEBUG_LOG(HLE,"%08x=sceKernelGetSystemTimeLow()",(u32)t);
RETURN((u32)t);
}
void sceKernelGetSystemTimeWide()
{
u64 t = CoreTiming::GetTicks() / CoreTiming::GetClockFrequencyMHz();
DEBUG_LOG(HLE,"%i=sceKernelGetSystemTimeWide()",(u32)t);
RETURN((u32)t);
currentMIPS->r[3] = t >> 32;
}
void sceKernelUSec2SysClock()
{
u32 microseconds = PARAM(0);
SceKernelSysClock *clock = (SceKernelSysClock*)Memory::GetPointer(PARAM(1));
clock->lo = microseconds; //TODO: fix
DEBUG_LOG(HLE,"sceKernelUSec2SysClock(%i, %08x )",PARAM(0), PARAM(1));
RETURN(0);
}
void sceKernelSysClock2USec()
{
SceKernelSysClock clock;
Memory::ReadStruct(PARAM(0), &clock);
DEBUG_LOG(HLE, "sceKernelSysClock2USec(clock = , lo = %08x, hi = %08x)", PARAM(1), PARAM(2));
u64 time = clock.lo | ((u64)clock.hi << 32);
if (Memory::IsValidAddress(PARAM(1)))
Memory::Write_U32((u32)(time / 1000000), PARAM(1));
if (Memory::IsValidAddress(PARAM(2)))
Memory::Write_U32((u32)(time % 1000000), PARAM(2));
RETURN(0);
}
void sceKernelSysClock2USecWide()
{
u64 clock = PARAM(0) | ((u64)PARAM(1) << 32);
DEBUG_LOG(HLE, "sceKernelSysClock2USecWide(clock = %llu, lo = %08x, hi = %08x)", clock, PARAM(2), PARAM(3));
if (Memory::IsValidAddress(PARAM(2)))
Memory::Write_U32((u32)(clock / 1000000), PARAM(2));
if (Memory::IsValidAddress(PARAM(3)))
Memory::Write_U32((u32)(clock % 1000000), PARAM(3));
RETURN(0);
}
u32 sceKernelUSec2SysClockWide(u32 usec)
{
DEBUG_LOG(HLE, "sceKernelUSec2SysClockWide(%i)", usec);
return usec * 1000000; // ?
}
u32 sceKernelLibcClock()
{
u32 retVal = clock()*1000; // TODO: This can't be right
DEBUG_LOG(HLE,"%i = sceKernelLibcClock",retVal);
return retVal;
}
void sceKernelLibcTime()
{
time_t *t = 0;
if (PARAM(0))
t = (time_t*)Memory::GetPointer(PARAM(0));
u32 retVal = (u32)time(t);
DEBUG_LOG(HLE,"%i = sceKernelLibcTime()",retVal);
RETURN(retVal);
}
void sceKernelLibcGettimeofday()
{
#ifdef _WIN32
union {
s64 ns100; /*time since 1 Jan 1601 in 100ns units */
FILETIME ft;
} now;
struct timeval
{
u32 tv_sec;
u32 tv_usec;
};
timeval *tv = (timeval*)Memory::GetPointer(PARAM(0));
DEBUG_LOG(HLE,"sceKernelLibcGettimeofday()");
GetSystemTimeAsFileTime (&now.ft);
tv->tv_usec = (long) ((now.ns100 / 10LL) % 1000000LL);
tv->tv_sec = (long) ((now.ns100 - 116444736000000000LL) / 10000000LL);
#endif
RETURN(0);
}