fork() stub and QoL improvements

Core/Memory/PageTable.cpp

@@ -0,0 +1,20 @@
+#include <memory.hpp>
+
+namespace Memory
+{
+    void PageTable::Update()
+    {
+#if defined(a86)
+            asmv("mov %0, %%cr3" ::"r"(this));
+#elif defined(aa64)
+            asmv("msr ttbr0_el1, %0" ::"r"(this));
+#endif
+    }
+
+    PageTable PageTable::Fork()
+    {
+        PageTable NewTable;
+        memcpy(&NewTable, this, sizeof(PageTable));
+        return NewTable;
+    }
+}