Merged in MHR-23 (pull request #12)

MHR-23: Merge work.

1 files changed, 44 insertions, 0 deletions

diff --git a/Kernel/NewKit/Pmm.hpp b/Kernel/NewKit/Pmm.hpp
new file mode 100644
index 00000000..10fd148b
--- /dev/null
+++ b/Kernel/NewKit/Pmm.hpp
@@ -0,0 +1,44 @@
+
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/PageManager.hpp>
+#include <NewKit/Ref.hpp>
+
+namespace NewOS
+{
+	class Pmm;
+	class PTEWrapper;
+
+	class Pmm final
+	{
+	public:
+		explicit Pmm();
+		~Pmm();
+
+		Pmm& operator=(const Pmm&) = delete;
+		Pmm(const Pmm&)			   = default;
+
+		Ref<PTEWrapper> RequestPage(Boolean user = false, Boolean readWrite = false);
+		Boolean			FreePage(Ref<PTEWrapper> refPage);
+
+		Boolean ToggleRw(Ref<PTEWrapper> refPage, Boolean enable = true);
+		Boolean TogglePresent(Ref<PTEWrapper> refPage, Boolean enable = true);
+		Boolean ToggleUser(Ref<PTEWrapper> refPage, Boolean enable = true);
+		Boolean ToggleShare(Ref<PTEWrapper> refPage, Boolean enable = true);
+
+		/// @brief Get the page manager of this.
+		Ref<PageManager>& Leak()
+		{
+			return fPageManager;
+		}
+
+	private:
+		Ref<PageManager> fPageManager;
+	};
+} // namespace NewOS