public virtual void reset()
{
status = PSP_THREAD_STOPPED;
int k0 = stackAddr + stackSize - 0x100; // setup k0
Memory mem = Memory.Instance;
if (stackAddr != 0 && stackSize > 0 && !preserveStack)
{
// set stack to 0xFF
if ((attr & PSP_THREAD_ATTR_NO_FILLSTACK) != PSP_THREAD_ATTR_NO_FILLSTACK)
{
mem.memset(stackAddr, unchecked ((sbyte)0xFF), stackSize);
}
// setup k0
mem.memset(k0, (sbyte)0x0, 0x100);
mem.write32(k0 + 0xc0, stackAddr);
mem.write32(k0 + 0xca, uid);
mem.write32(k0 + 0xf8, unchecked ((int)0xffffffff));
mem.write32(k0 + 0xfc, unchecked ((int)0xffffffff));
mem.write32(stackAddr, uid);
}
currentPriority = initPriority;
waitType = PSP_WAIT_NONE;
waitId = 0;
wakeupCount = 0;
exitStatus = ERROR_KERNEL_THREAD_ALREADY_DORMANT; // Threads start with DORMANT and not NOT_DORMANT (tested and checked).
exitStatusAddr = null;
runClocks = 0;
intrPreemptCount = 0;
threadPreemptCount = 0;
releaseCount = 0;
notifyCallback = 0;
// Thread specific registers
cpuContext.pc = entry_addr;
cpuContext.npc = entry_addr; // + 4;
// Reset all the registers to DEADBEEF value
for (int i = _ra; i > _zr; i--)
{
cpuContext.setRegister(i, unchecked ((int)0xDEADBEEF));
}
cpuContext._k0 = 0;
cpuContext._k1 = 0;
if (UserMode)
{
cpuContext._k1 |= 0x100000;
}
cpuContext._k1 |= 0x100000;
int intNanValue = 0x7F800001;
float nanValue = Float.intBitsToFloat(intNanValue);
for (int i = Common._f31; i >= Common._f0; i--)
{
cpuContext.fpr[i] = nanValue;
}
cpuContext.hilo = unchecked ((long)0xDEADBEEFDEADBEEFL);
if ((attr & PSP_THREAD_ATTR_VFPU) != 0)
{
// Reset the VFPU context
for (int m = 0; m < 8; m++)
{
for (int c = 0; c < 4; c++)
{
for (int r = 0; r < 4; r++)
{
cpuContext.setVprInt(m, c, r, intNanValue);
}
}
}
for (int i = 0; i < cpuContext.vcr.cc.Length; i++)
{
cpuContext.vcr.cc[i] = true;
}
cpuContext.vcr.pfxs.reset();
cpuContext.vcr.pfxt.reset();
cpuContext.vcr.pfxd.reset();
}
// sp, 512 byte padding at the top for user data, this will get re-jigged when we call start thread
cpuContext._sp = stackAddr + stackSize - 512;
cpuContext._k0 = k0;
// We'll hook "jr $ra" where $ra == address of HLE syscall hleKernelExitThread
// when the thread is exiting
cpuContext._ra = pspsharp.HLE.modules.ThreadManForUser.THREAD_EXIT_HANDLER_ADDRESS;
doDelete = false;
doCallbacks = false;
registeredCallbacks = new RegisteredCallbacks[THREAD_CALLBACK_SIZE];
for (int i = 0; i < registeredCallbacks.Length; i++)
{
registeredCallbacks[i] = new RegisteredCallbacks(i);
}
// The UMD callback registers only the last callback.
registeredCallbacks[THREAD_CALLBACK_UMD].setRegisterOnlyLastCallback();
}