Introduce page coloring support to memory manager

xtoskrnl/includes/mm.hh

@@ -15,6 +15,7 @@
 #include XTOS_ARCH_HEADER(mm, paging.hh)
 #include XTOS_ARCH_HEADER(mm, pte.hh)
 
+#include <mm/colors.hh>
 #include <mm/hlpool.hh>
 #include <mm/kpool.hh>
 #include <mm/mmgr.hh>

xtoskrnl/includes/mm/colors.hh

@@ -0,0 +1,35 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/mm/colors.hh
+ * DESCRIPTION:     Memory manager page coloring subsystem
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_MM_COLORS_HH
+#define __XTOSKRNL_MM_COLORS_HH
+
+#include <xtos.hh>
+
+
+/* Memory Manager */
+namespace MM
+{
+    class Colors
+    {
+        private:
+            STATIC PMMCOLOR_TABLES FreePages[FreePageList + 1];
+            STATIC ULONG PagingColors;
+            STATIC ULONG PagingColorsMask;
+
+        public:
+            STATIC XTAPI VOID ComputePageColoring(VOID);
+            STATIC XTAPI PMMCOLOR_TABLES GetFreePages(MMPAGELISTS PageList,
+                                                      ULONG Color);
+            STATIC XTAPI ULONG GetNextColor();
+            STATIC XTAPI ULONG GetPagingColors();
+            STATIC XTAPI ULONG GetPagingColorsMask();
+    };
+}
+
+#endif /* __XTOSKRNL_MM_PFN_HH */