[Kernel] Register CreateMutex in the SVC table

include/kernel/kernel.hpp

@@ -82,6 +82,7 @@ class Kernel {
 	void clearEvent();
 	void createAddressArbiter();
 	void createEvent();
+	void createMutex();
 	void createThread();
 	void controlMemory();
 	void duplicateHandle();

src/core/kernel/kernel.cpp

@@ -24,6 +24,7 @@ void Kernel::serviceSVC(u32 svc) {
 		case 0x02: queryMemory(); break;
 		case 0x08: createThread(); break;
 		case 0x0A: svcSleepThread(); break;
+		case 0x13: createMutex(); break;
 		case 0x14: releaseMutex(); break;
 		case 0x17: createEvent(); break;
 		case 0x18: signalEvent(); break;

src/core/kernel/threads.cpp

@@ -213,6 +213,13 @@ void Kernel::getThreadID() {
 	regs[1] = thread->getData<Thread>()->index;
 }
 
+void Kernel::createMutex() {
+	bool locked = regs[1] != 0;
+	Helpers::panic("CreateMutex (initially locked: %s)\n", locked ? "yes" : "no");
+
+	regs[0] = SVCResult::Success;
+}
+
 void Kernel::releaseMutex() {
 	const Handle handle = regs[0];