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[reactos.git] / ntoskrnl / include / internal / i386 / mm.h

diff --git a/ntoskrnl/include/internal/i386/mm.h b/ntoskrnl/include/internal/i386/mm.h
index 7e768bb..f02cc78 100644 (file)
--- a/ntoskrnl/include/internal/i386/mm.h
+++ b/ntoskrnl/include/internal/i386/mm.h
@@ -7,6 +7,12 @@
 struct _EPROCESS;
 PULONG MmGetPageDirectory(VOID);
 
+#ifdef _PAE_
+#define _MI_PAGING_LEVELS 3
+#else
+#define _MI_PAGING_LEVELS 2
+#endif
+
 #define PAGE_MASK(x)           ((x)&(~0xfff))
 #define PAE_PAGE_MASK(x)       ((x)&(~0xfffLL))
 
@@ -14,8 +20,10 @@ PULONG MmGetPageDirectory(VOID);
 #define PAGETABLE_MAP       (0xc0000000)
 #define PAGEDIRECTORY_MAP   (0xc0000000 + (PAGETABLE_MAP / (1024)))
 
+/* FIXME: These are different for PAE */
 #define PTE_BASE    0xC0000000
 #define PDE_BASE    0xC0300000
+#define PDE_TOP     0xC0300FFF
 #define PTE_TOP     0xC03FFFFF
 #define HYPER_SPACE 0xC0400000
 
@@ -36,6 +44,8 @@ PULONG MmGetPageDirectory(VOID);
 #define ADDR_TO_PDE_OFFSET(v) ((((ULONG)(v)) / (1024 * PAGE_SIZE)))
 #define ADDR_TO_PTE_OFFSET(v)  ((((ULONG)(v)) % (1024 * PAGE_SIZE)) / PAGE_SIZE)
 
+#define MiGetPdeOffset ADDR_TO_PDE_OFFSET
+
 /* Easy accessing PFN in PTE */
 #define PFN_FROM_PTE(v) ((v)->u.Hard.PageFrameNumber)
 
@@ -74,7 +84,11 @@ PULONG MmGetPageDirectory(VOID);
 #define MI_MAPPING_RANGE_START              (ULONG)HYPER_SPACE
 #define MI_MAPPING_RANGE_END                (MI_MAPPING_RANGE_START + \
                                              MI_HYPERSPACE_PTES * PAGE_SIZE)
-#define MI_ZERO_PTE                         (PMMPTE)(MI_MAPPING_RANGE_END + \
+#define MI_DUMMY_PTE                        (PMMPTE)(MI_MAPPING_RANGE_END + \
+                                             PAGE_SIZE)
+#define MI_VAD_BITMAP                       (PMMPTE)(MI_DUMMY_PTE + \
+                                             PAGE_SIZE)
+#define MI_WORKING_SET_LIST                 (PMMPTE)(MI_VAD_BITMAP + \
                                              PAGE_SIZE)
 
 /* On x86, these two are the same */