[NTOS]: Define portable MI_MAKE_ACCESSED_PAGE macro.

[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 a74a49f..f201e45 100644 (file)
--- a/reactos/ntoskrnl/include/internal/i386/mm.h
+++ b/reactos/ntoskrnl/include/internal/i386/mm.h
@@ -2,12 +2,17 @@
  * Lowlevel memory managment definitions
  */
 
-#ifndef __NTOSKRNL_INCLUDE_INTERNAL_I386_MM_H
-#define __NTOSKRNL_INCLUDE_INTERNAL_I386_MM_H
+#pragma once
 
 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))
 
@@ -15,12 +20,12 @@ 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 PTE_PER_PAGE 1024
 #define HYPER_SPACE 0xC0400000
-#define HYPER_SPACE_END 0xC07FFFFF
 
 /* Converting address to a corresponding PDE or PTE entry */
 #define MiAddressToPde(x) \
@@ -34,17 +39,19 @@ PULONG MmGetPageDirectory(VOID);
 // Convert a PTE into a corresponding address
 //
 #define MiPteToAddress(PTE) ((PVOID)((ULONG)(PTE) << 10))
-#define MiIsPdeForAddressValid(Pde) (MiAddressToPde(Address)->u.Hard.Valid)
 
 #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
+
 /* Easy accessing PFN in PTE */
 #define PFN_FROM_PTE(v) ((v)->u.Hard.PageFrameNumber)
 
 #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)
@@ -62,4 +69,34 @@ PULONG MmGetPageDirectory(VOID);
 #define MI_MAKE_WRITE_PAGE(x)      ((x)->u.Hard.Writable = 1)
 #endif
 
-#endif /* __NTOSKRNL_INCLUDE_INTERNAL_I386_MM_H */
+#define PAGE_TO_SECTION_PAGE_DIRECTORY_OFFSET(x) \
+    ((x) / (4*1024*1024))
+
+#define PAGE_TO_SECTION_PAGE_TABLE_OFFSET(x) \
+    ((((x)) % (4*1024*1024)) / (4*1024))
+
+#define NR_SECTION_PAGE_TABLES              1024
+#define NR_SECTION_PAGE_ENTRIES             1024
+
+#define TEB_BASE                            0x7FFDE000
+
+#define MI_HYPERSPACE_PTES                  (256 - 1)
+#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)
+
+/* On x86, these two are the same */
+#define MMPDE MMPTE
+#define PMMPDE PMMPTE
+
+/*
+* FIXME - different architectures have different cache line sizes...
+*/
+#define MM_CACHE_LINE_SIZE                  32