1 files changed, 74 insertions, 0 deletions
diff --git a/src/kernel/src/Pmm.cpp b/src/kernel/src/Pmm.cpp
new file mode 100644
index 00000000..88635518
--- /dev/null
+++ b/src/kernel/src/Pmm.cpp
@@ -0,0 +1,74 @@
+// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/nekernel-org/nekernel
+
+#include <ArchKit/ArchKit.h>
+#include <KernelKit/DebugOutput.h>
+#include <NeKit/Pmm.h>
+
+namespace Kernel {
+/***********************************************************************************/
+/// @brief Pmm constructor.
+/***********************************************************************************/
+Pmm::Pmm() : fPageMgr() {
+  kout << "[PMM] Allocate PageMemoryMgr.\r";
+}
+
+Pmm::~Pmm() = default;
+
+/***********************************************************************************/
+/// @param If this returns Null pointer, enter emergency mode.
+/// @param user is this a user page?
+/// @param readWrite is it r/w?
+/***********************************************************************************/
+Ref<PTEWrapper> Pmm::RequestPage(Boolean user, Boolean readWrite) {
+  PTEWrapper pt = fPageMgr.Leak().Request(user, readWrite, false, kPageSize, 0);
+
+  if (pt.fPresent) {
+    kout << "[PMM]: Allocation failed.\r";
+    return {pt};
+  }
+
+  return Ref<PTEWrapper>(pt);
+}
+
+Boolean Pmm::FreePage(Ref<PTEWrapper> PageRef) {
+  if (!PageRef) return false;
+
+  PageRef.Leak().fPresent = false;
+
+  return true;
+}
+
+Boolean Pmm::TogglePresent(Ref<PTEWrapper> PageRef, Boolean Enable) {
+  if (!PageRef) return false;
+
+  PageRef.Leak().fPresent = Enable;
+
+  return true;
+}
+
+Boolean Pmm::ToggleUser(Ref<PTEWrapper> PageRef, Boolean Enable) {
+  if (!PageRef) return false;
+
+  PageRef.Leak().fRw = Enable;
+
+  return true;
+}
+
+Boolean Pmm::ToggleRw(Ref<PTEWrapper> PageRef, Boolean Enable) {
+  if (!PageRef) return false;
+
+  PageRef.Leak().fRw = Enable;
+
+  return true;
+}
+
+Boolean Pmm::ToggleShare(Ref<PTEWrapper> PageRef, Boolean Enable) {
+  if (!PageRef) return false;
+
+  PageRef.Leak().fShareable = Enable;
+
+  return true;
+}
+}  // namespace Kernel