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Optimize sysclock / sysclock 2 usec.

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Legend of Heroes 1/2/3 call these a ton, making them quite slow.
Not sure if it's a bug, but they can be more optimal which'll make
it easier to debug anyway.
This commit is contained in:
Unknown W. Brackets 2013-02-02 20:42:16 -08:00
parent 015529cb49
commit ac8b35b2ef
3 changed files with 18 additions and 20 deletions
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4
Core/HLE/sceKernel.cpp
View File

@ -603,7 +603,7 @@ const HLEFunction ThreadManForUser[] =
{0x57CF62DD,WrapU_U<sceKernelGetThreadmanIdType>,"sceKernelGetThreadmanIdType"},
{0x82BC5777,sceKernelGetSystemTimeWide,"sceKernelGetSystemTimeWide"},
{0xdb738f35,sceKernelGetSystemTime,"sceKernelGetSystemTime"},
{0xdb738f35,WrapI_U<sceKernelGetSystemTime>,"sceKernelGetSystemTime"},
{0x369ed59d,sceKernelGetSystemTimeLow,"sceKernelGetSystemTimeLow"},
{0x8218B4DD,&WrapU_U<sceKernelReferGlobalProfiler>,"sceKernelReferGlobalProfiler"},
@ -616,7 +616,7 @@ const HLEFunction ThreadManForUser[] =
{0x7e65b999,WrapI_I<sceKernelCancelAlarm>,"sceKernelCancelAlarm"},
{0xDAA3F564,WrapI_IU<sceKernelReferAlarmStatus>,"sceKernelReferAlarmStatus"},
{0xba6b92e2,sceKernelSysClock2USec,"sceKernelSysClock2USec"},
{0xba6b92e2,WrapI_UUU<sceKernelSysClock2USec>,"sceKernelSysClock2USec"},
{0x110DEC9A,0,"sceKernelUSec2SysClock"},
{0xC8CD158C,WrapU_U<sceKernelUSec2SysClockWide>,"sceKernelUSec2SysClockWide"},
{0xE1619D7C,sceKernelSysClock2USecWide,"sceKernelSysClock2USecWide"},

30
Core/HLE/sceKernelTime.cpp
View File

@ -58,14 +58,12 @@ struct SceKernelSysClock
u32 hi;
};
void sceKernelGetSystemTime()
int sceKernelGetSystemTime(u32 sysclockPtr)
{
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);
Memory::Write_U64(t, sysclockPtr);
DEBUG_LOG(HLE, "sceKernelGetSystemTime(out:%16llx)", t);
return 0;
}
void sceKernelGetSystemTimeLow()
@ -93,17 +91,17 @@ void sceKernelUSec2SysClock()
RETURN(0);
}
void sceKernelSysClock2USec()
int sceKernelSysClock2USec(u32 sysclockPtr, u32 highPtr, u32 lowPtr)
{
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);
DEBUG_LOG(HLE, "sceKernelSysClock2USec(clock = %08x, lo = %08x, hi = %08x)", sysclockPtr, highPtr, lowPtr);
u64 time = Memory::Read_U64(sysclockPtr);
u32 highResult = (u32)(time / 1000000);
u32 lowResult = (u32)(time % 1000000);
if (Memory::IsValidAddress(highPtr))
Memory::Write_U32(highResult, highPtr);
if (Memory::IsValidAddress(lowPtr))
Memory::Write_U32(lowResult, lowPtr);
return 0;
}
void sceKernelSysClock2USecWide()

4
Core/HLE/sceKernelTime.h
View File

@ -20,10 +20,10 @@
u32 sceKernelLibcGettimeofday(u32 timeAddr);
u32 sceKernelLibcTime(u32 outPtr);
void sceKernelUSec2SysClock();
void sceKernelGetSystemTime();
int sceKernelGetSystemTime(u32 sysclockPtr);
void sceKernelGetSystemTimeLow();
void sceKernelGetSystemTimeWide();
void sceKernelSysClock2USec();
int sceKernelSysClock2USec(u32 sysclockPtr, u32 highPtr, u32 lowPtr);
void sceKernelSysClock2USecWide();
u32 sceKernelUSec2SysClockWide(u32 usec);
u32 sceKernelLibcClock();