rpcsx/rpcs3/Emu/SysCalls/lv2/SC_Spinlock.cpp

56 lines
1.5 KiB
C++

#include "stdafx.h"
#include "Utilities/Log.h"
#include "Emu/Memory/Memory.h"
#include "Emu/System.h"
#include "Emu/Cell/PPUThread.h"
#include "Emu/SysCalls/SysCalls.h"
#include "Emu/SysCalls/lv2/SC_Spinlock.h"
SysCallBase sys_spinlock("sys_spinlock");
void sys_spinlock_initialize(mem_ptr_t<spinlock> lock)
{
sys_spinlock.Log("sys_spinlock_initialize(lock_addr=0x%x)", lock.GetAddr());
lock->mutex.initialize();
}
void sys_spinlock_lock(mem_ptr_t<spinlock> lock)
{
sys_spinlock.Log("sys_spinlock_lock(lock_addr=0x%x)", lock.GetAddr());
be_t<u32> tid = GetCurrentPPUThread().GetId();
switch (lock->mutex.lock(tid))
{
case SMR_ABORT: LOG_WARNING(HLE, "sys_spinlock_lock(0x%x) aborted", lock.GetAddr()); break;
case SMR_DEADLOCK: LOG_ERROR(HLE, "sys_spinlock_lock(0x%x) reached deadlock", lock.GetAddr()); break; // ???
default: break;
}
}
int sys_spinlock_trylock(mem_ptr_t<spinlock> lock)
{
sys_spinlock.Log("sys_spinlock_trylock(lock_addr=0x%x)", lock.GetAddr());
be_t<u32> tid = GetCurrentPPUThread().GetId();
switch (lock->mutex.trylock(tid))
{
case SMR_FAILED: return CELL_EBUSY;
case SMR_ABORT: LOG_WARNING(HLE, "sys_spinlock_trylock(0x%x) aborted", lock.GetAddr()); break;
case SMR_DEADLOCK: LOG_ERROR(HLE, "sys_spinlock_trylock(0x%x) reached deadlock", lock.GetAddr()); break;
default: break;
}
return CELL_OK;
}
void sys_spinlock_unlock(mem_ptr_t<spinlock> lock)
{
sys_spinlock.Log("sys_spinlock_unlock(lock_addr=0x%x)", lock.GetAddr());
while(true)
{
if (lock->mutex.unlock(lock->mutex.GetOwner()) != SMR_PERMITTED)
break;
}
}