Import the "gerbert" kernel I worked on earlier this year.

It's a lot crappier than I remembered it. It's gonna need a lot of work.

Kernel/FileSystem.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "types.h"
+#include "RefCounted.h"
+
+namespace FileSystem {
+
+void initialize();
+
+class VirtualNode : public RefCounted<VirtualNode> {
+public:
+    DWORD saneValue = 0x850209;
+    virtual ~VirtualNode();
+
+    DWORD index() const { return m_index; }
+    const String& path() const { return m_path; }
+
+    virtual size_t size() const = 0;
+    virtual uid_t uid() const = 0;
+    virtual gid_t gid() const = 0;
+    virtual size_t mode() const = 0;
+
+    virtual size_t read(BYTE* outbuf, size_t start, size_t maxLength) = 0;
+
+protected:
+    VirtualNode(DWORD index, String&& path);
+
+private:
+    DWORD m_index { 0 };
+    String m_path;
+};
+
+RefPtr<VirtualNode> createVirtualNode(String&& path);
+
+}