[Kernel/APT] Stub some APT and threading stuff to make OoT go further

src/core/kernel/events.cpp

@@ -58,4 +58,18 @@ void Kernel::waitSynchronization1() {
 
 	logSVC("WaitSynchronization1(handle = %X, ns = %lld) (STUBBED)\n", handle, ns);
 	regs[0] = SVCResult::Success;
+}
+
+// Result WaitSynchronizationN(s32* out, Handle* handles, s32 handlecount, bool waitAll, s64 timeout_nanoseconds)
+void Kernel::waitSynchronizationN() {
+	// TODO: Are these arguments even correct?
+	u32 ns1 = regs[0];
+	u32 handles = regs[1];
+	u32 handleCount = regs[2];
+	bool waitAll = regs[3] != 0;
+	u32 ns2 = regs[4];
+	u32 out = regs[5];
+
+	logSVC("WaitSynchronizationN (STUBBED)\n");
+	regs[0] = SVCResult::Success;
 }

src/core/kernel/kernel.cpp

@@ -22,6 +22,7 @@ void Kernel::serviceSVC(u32 svc) {
 		case 0x01: controlMemory(); break;
 		case 0x02: queryMemory(); break;
 		case 0x08: createThread(); break;
+		case 0x14: releaseMutex(); break;
 		case 0x17: createEvent(); break;
 		case 0x19: clearEvent(); break;
 		case 0x1F: mapMemoryBlock(); break;
@@ -29,6 +30,7 @@ void Kernel::serviceSVC(u32 svc) {
 		case 0x22: arbitrateAddress(); break;
 		case 0x23: svcCloseHandle(); break;
 		case 0x24: waitSynchronization1(); break;
+		case 0x25: waitSynchronizationN(); break;
 		case 0x27: duplicateHandle(); break;
 		case 0x28: getSystemTick(); break;
 		case 0x2B: getProcessInfo(); break;

src/core/kernel/threads.cpp

@@ -115,4 +115,11 @@ void Kernel::getThreadID() {
 
 	regs[0] = SVCResult::Success;
 	regs[1] = thread->getData<Thread>()->index;
+}
+
+void Kernel::releaseMutex() {
+	const Handle handle = regs[0];
+
+	logSVC("ReleaseMutex (handle = %x) (STUBBED)\n", handle);
+	regs[0] = SVCResult::Success;
 }