1 files changed, 32 insertions, 0 deletions
diff --git a/Kernel/VM/PageDirectory.cpp b/Kernel/VM/PageDirectory.cpp
new file mode 100644
index 0000000000..d5c10c189a
--- /dev/null
+++ b/Kernel/VM/PageDirectory.cpp
@@ -0,0 +1,32 @@
+#include <Kernel/VM/PageDirectory.h>
+#include <Kernel/VM/MemoryManager.h>
+#include <Kernel/Process.h>
+#include <Kernel/Thread.h>
+
+PageDirectory::PageDirectory(PhysicalAddress paddr)
+{
+    m_directory_page = PhysicalPage::create_eternal(paddr, true);
+}
+
+PageDirectory::PageDirectory()
+{
+    MM.populate_page_directory(*this);
+}
+
+PageDirectory::~PageDirectory()
+{
+#ifdef MM_DEBUG
+    dbgprintf("MM: ~PageDirectory K%x\n", this);
+#endif
+}
+
+void PageDirectory::flush(LinearAddress laddr)
+{
+#ifdef MM_DEBUG
+    dbgprintf("MM: Flush page L%x\n", laddr.get());
+#endif
+    if (!current)
+        return;
+    if (&current->process().page_directory() == this)
+        MM.flush_tlb(laddr);
+}