[tkreuzer] 43427: Implement/fix some amd64 Mm macros

Author: tkreuzer
Date: Tue Oct 13 01:26:12 2009
New Revision: 43427

URL: http://svn.reactos.org/svn/reactos?rev=43427&view=rev
Log:
Implement/fix some amd64 Mm macros

Modified:
    branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h

Modified: branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskr...
==============================================================================
--- branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h [iso-8859-1] Tue Oct 13 01:26:12 2009
@@ -18,14 +18,21 @@
 #define PAE_PAGE_MASK(x)	((x)&(~0xfffLL))

/* Base addresses of PTE and PDE */
-#define PAGETABLE_MAP       (0xc0000000)
-#define PAGEDIRECTORY_MAP   (0xc0000000 + (PAGETABLE_MAP / (1024)))
+//#define PAGETABLE_MAP       PTE_BASE
+//#define PAGEDIRECTORY_MAP   (0xc0000000 + (PAGETABLE_MAP / (1024)))

/* Converting address to a corresponding PDE or PTE entry */
+#define MiAddressToPxe(x) \
+    ((PMMPTE)(((((ULONG64)(x)) >> PXI_SHIFT) << 3) + PXE_BASE))
+#define MiAddressToPpe(x) \
+    ((PMMPTE)(((((ULONG64)(x)) >> PPI_SHIFT) << 3) + PPE_BASE))
 #define MiAddressToPde(x) \
-    ((PMMPTE)(((((ULONG64)(x)) >> 22) << 2) + PAGEDIRECTORY_MAP))
+    ((PMMPTE)(((((ULONG64)(x)) >> PDI_SHIFT) << 3) + PDE_BASE))
 #define MiAddressToPte(x) \
-    ((PMMPTE)(((((ULONG64)(x)) >> 12) << 2) + PAGETABLE_MAP))
+    ((PMMPTE)(((((ULONG64)(x)) >> PTI_SHIFT) << 3) + PTE_BASE))
+
+/* Convert a PTE into a corresponding address */
+#define MiPteToAddress(PTE) ((PVOID)((ULONG64)(PTE) << 9))

//#define ADDR_TO_PAGE_TABLE(v) (((ULONG)(v)) / (1024 * PAGE_SIZE))
 //#define ADDR_TO_PDE_OFFSET(v) ((((ULONG)(v)) / (1024 * PAGE_SIZE)))