[NTOS]

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

diff --git a/reactos/ntoskrnl/include/internal/i386/mm.h b/reactos/ntoskrnl/include/internal/i386/mm.h
index f02cc78..27237a6 100644 (file)
--- a/reactos/ntoskrnl/include/internal/i386/mm.h
+++ b/reactos/ntoskrnl/include/internal/i386/mm.h
@@ -16,6 +16,10 @@ PULONG MmGetPageDirectory(VOID);
 #define PAGE_MASK(x)           ((x)&(~0xfff))
 #define PAE_PAGE_MASK(x)       ((x)&(~0xfffLL))
 
+/* MMPTE related defines */
+#define MM_EMPTY_PTE_LIST  ((ULONG)0xFFFFF)
+#define MM_EMPTY_LIST  ((ULONG_PTR)-1)
+
 /* Base addresses of PTE and PDE */
 #define PAGETABLE_MAP       (0xc0000000)
 #define PAGEDIRECTORY_MAP   (0xc0000000 + (PAGETABLE_MAP / (1024)))
@@ -26,10 +30,13 @@ PULONG MmGetPageDirectory(VOID);
 #define PDE_TOP     0xC0300FFF
 #define PTE_TOP     0xC03FFFFF
 #define HYPER_SPACE 0xC0400000
+#define HYPER_SPACE_END 0xC07FFFFF
+
+#define PTE_PER_PAGE 0x400
 
 /* Converting address to a corresponding PDE or PTE entry */
 #define MiAddressToPde(x) \
-    ((PMMPTE)(((((ULONG)(x)) >> 22) << 2) + PAGEDIRECTORY_MAP))
+    ((PMMPDE)(((((ULONG)(x)) >> 22) << 2) + PAGEDIRECTORY_MAP))
 #define MiAddressToPte(x) \
     ((PMMPTE)(((((ULONG)(x)) >> 12) << 2) + PAGETABLE_MAP))
 #define MiAddressToPteOffset(x) \
@@ -39,10 +46,13 @@ PULONG MmGetPageDirectory(VOID);
 // Convert a PTE into a corresponding address
 //
 #define MiPteToAddress(PTE) ((PVOID)((ULONG)(PTE) << 10))
+#define MiPdeToAddress(PDE) ((PVOID)((ULONG)(PDE) << 20))
+#define MiPdeToPte(PDE) ((PMMPTE)MiPteToAddress(PDE))
+#define MiPteToPde(PTE) ((PMMPDE)MiAddressToPte(PTE))
 
-#define ADDR_TO_PAGE_TABLE(v) (((ULONG)(v)) / (1024 * PAGE_SIZE))
-#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 ADDR_TO_PAGE_TABLE(v)  (((ULONG)(v)) / (1024 * PAGE_SIZE))
+#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
 
@@ -51,9 +61,11 @@ PULONG MmGetPageDirectory(VOID);
 
 #define MI_MAKE_LOCAL_PAGE(x)      ((x)->u.Hard.Global = 0)
 #define MI_MAKE_DIRTY_PAGE(x)      ((x)->u.Hard.Dirty = 1)
+#define MI_MAKE_ACCESSED_PAGE(x)   ((x)->u.Hard.Accessed = 1)
 #define MI_PAGE_DISABLE_CACHE(x)   ((x)->u.Hard.CacheDisable = 1)
 #define MI_PAGE_WRITE_THROUGH(x)   ((x)->u.Hard.WriteThrough = 1)
 #define MI_PAGE_WRITE_COMBINED(x)  ((x)->u.Hard.WriteThrough = 0)
+#define MI_IS_PAGE_LARGE(x)        ((x)->u.Hard.LargePage == 1)
 #if !defined(CONFIG_SMP)
 #define MI_IS_PAGE_WRITEABLE(x)    ((x)->u.Hard.Write == 1)
 #else
@@ -83,13 +95,13 @@ PULONG MmGetPageDirectory(VOID);
 #define MI_ZERO_PTES                        (32)
 #define MI_MAPPING_RANGE_START              (ULONG)HYPER_SPACE
 #define MI_MAPPING_RANGE_END                (MI_MAPPING_RANGE_START + \
-                                             MI_HYPERSPACE_PTES * PAGE_SIZE)
-#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)
+                                                     MI_HYPERSPACE_PTES * PAGE_SIZE)
+#define MI_DUMMY_PTE                        (PMMPTE)((ULONG_PTR)MI_MAPPING_RANGE_END + \
+                                                     PAGE_SIZE)
+#define MI_VAD_BITMAP                       (PMMPTE)((ULONG_PTR)MI_DUMMY_PTE + \
+                                                     PAGE_SIZE)
+#define MI_WORKING_SET_LIST                 (PMMPTE)((ULONG_PTR)MI_VAD_BITMAP + \
+                                                     PAGE_SIZE)
 
 /* On x86, these two are the same */
 #define MMPDE MMPTE