Rename Handle to HorizonHandle, add metal-cpp submodule, format

include/kernel/handles.hpp

@@ -1,7 +1,7 @@
 #pragma once
 #include "helpers.hpp"
 
-using Handle = u32;
+using HorizonHandle = u32;
 
 namespace KernelHandles {
 	enum : u32 {
@@ -61,17 +61,17 @@ namespace KernelHandles {
 	};
 
 	// Returns whether "handle" belongs to one of the OS services
-	static constexpr bool isServiceHandle(Handle handle) {
+	static constexpr bool isServiceHandle(HorizonHandle handle) {
 		return handle >= MinServiceHandle && handle <= MaxServiceHandle;
 	}
 
 	// Returns whether "handle" belongs to one of the OS services' shared memory areas
-	static constexpr bool isSharedMemHandle(Handle handle) {
+	static constexpr bool isSharedMemHandle(HorizonHandle handle) {
 		return handle >= MinSharedMemHandle && handle <= MaxSharedMemHandle;
 	}
 
 	// Returns the name of a handle as a string based on the given handle
-	static const char* getServiceName(Handle handle) {
+	static const char* getServiceName(HorizonHandle handle) {
 		switch (handle) {
 			case AC: return "AC";
 			case ACT: return "ACT";

include/kernel/kernel.hpp

@@ -18,6 +18,8 @@ class CPU;
 struct Scheduler;
 
 class Kernel {
+	using Handle = HorizonHandle;
+
 	std::span<u32, 16> regs;
 	CPU& cpu;
 	Memory& mem;

include/kernel/kernel_types.hpp

@@ -47,7 +47,7 @@ enum class ProcessorID : s32 {
 struct AddressArbiter {};
 
 struct ResourceLimits {
-    Handle handle;
+    HorizonHandle handle;
 
     s32 currentCommit = 0;
 };
@@ -91,6 +91,8 @@ struct Port {
 };
 
 struct Session {
+	using Handle = HorizonHandle;
+
 	Handle portHandle;  // The port this session is subscribed to
 	Session(Handle portHandle) : portHandle(portHandle) {}
 };
@@ -109,6 +111,8 @@ enum class ThreadStatus {
 };
 
 struct Thread {
+	using Handle = HorizonHandle;
+
 	u32 initialSP;   // Initial r13 value
 	u32 entrypoint;  // Initial r15 value
 	u32 priority;
@@ -161,6 +165,8 @@ static const char* kernelObjectTypeToString(KernelObjectType t) {
 }
 
 struct Mutex {
+    using Handle = HorizonHandle;
+
     u64 waitlist;           // Refer to the getWaitlist function below for documentation
     Handle ownerThread = 0; // Index of the thread that holds the mutex if it's locked
     Handle handle; // Handle of the mutex itself
@@ -203,6 +209,8 @@ struct MemoryBlock {
 
 // Generic kernel object class
 struct KernelObject {
+	using Handle = HorizonHandle;
+
     Handle handle = 0; // A u32 the OS will use to identify objects
     void* data = nullptr;
     KernelObjectType type;