mirror of
https://github.com/reactos/reactos.git
synced 2024-07-02 10:45:24 +00:00
205 lines
3.9 KiB
C
205 lines
3.9 KiB
C
/*++ NDK Version: 0095
|
|
|
|
Copyright (c) Alex Ionescu. All rights reserved.
|
|
|
|
Header Name:
|
|
|
|
mmtypes.h (X86)
|
|
|
|
Abstract:
|
|
|
|
i386 Type definitions for the Memory Manager
|
|
|
|
Author:
|
|
|
|
Alex Ionescu (alex.ionescu@reactos.com) 06-Oct-2004
|
|
|
|
--*/
|
|
|
|
#ifndef _I386_MMTYPES_H
|
|
#define _I386_MMTYPES_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
//
|
|
// Dependencies
|
|
//
|
|
|
|
//
|
|
// Page-related Macros
|
|
//
|
|
#define PAGE_SIZE 0x1000
|
|
#define PAGE_SHIFT 12L
|
|
#define MM_ALLOCATION_GRANULARITY 0x10000
|
|
#define MM_ALLOCATION_GRANULARITY_SHIFT 16L
|
|
#define MM_PAGE_FRAME_NUMBER_SIZE 20
|
|
|
|
//
|
|
// User space range limit
|
|
//
|
|
#define MI_HIGHEST_USER_ADDRESS (PVOID)0x7FFEFFFF
|
|
|
|
//
|
|
// Address of the shared user page
|
|
//
|
|
#define MM_SHARED_USER_DATA_VA 0x7FFE0000
|
|
|
|
//
|
|
// Sanity checks for Paging Macros
|
|
//
|
|
#ifdef C_ASSERT
|
|
C_ASSERT(PAGE_SIZE == (1 << PAGE_SHIFT));
|
|
C_ASSERT(MM_ALLOCATION_GRANULARITY == (1 << MM_ALLOCATION_GRANULARITY_SHIFT));
|
|
C_ASSERT(MM_ALLOCATION_GRANULARITY &&
|
|
!(MM_ALLOCATION_GRANULARITY & (MM_ALLOCATION_GRANULARITY - 1)));
|
|
C_ASSERT(MM_ALLOCATION_GRANULARITY >= PAGE_SIZE);
|
|
#endif
|
|
|
|
//
|
|
// PAE SEG0 Base?
|
|
//
|
|
#define KSEG0_BASE_PAE 0xE0000000
|
|
|
|
//
|
|
// Page Table Entry Definitions
|
|
//
|
|
typedef struct _HARDWARE_PTE_X86
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG Write:1;
|
|
ULONG Owner:1;
|
|
ULONG WriteThrough:1;
|
|
ULONG CacheDisable:1;
|
|
ULONG Accessed:1;
|
|
ULONG Dirty:1;
|
|
ULONG LargePage:1;
|
|
ULONG Global:1;
|
|
ULONG CopyOnWrite:1;
|
|
ULONG Prototype: 1;
|
|
ULONG reserved: 1;
|
|
ULONG PageFrameNumber:20;
|
|
} HARDWARE_PTE_X86, *PHARDWARE_PTE_X86;
|
|
|
|
typedef struct _MMPTE_SOFTWARE
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG PageFileLow:4;
|
|
ULONG Protection:5;
|
|
ULONG Prototype:1;
|
|
ULONG Transition:1;
|
|
ULONG PageFileHigh:20;
|
|
} MMPTE_SOFTWARE;
|
|
|
|
typedef struct _MMPTE_TRANSITION
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG Write:1;
|
|
ULONG Owner:1;
|
|
ULONG WriteThrough:1;
|
|
ULONG CacheDisable:1;
|
|
ULONG Protection:5;
|
|
ULONG Prototype:1;
|
|
ULONG Transition:1;
|
|
ULONG PageFrameNumber:20;
|
|
} MMPTE_TRANSITION;
|
|
|
|
typedef struct _MMPTE_PROTOTYPE
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG ProtoAddressLow:7;
|
|
ULONG ReadOnly:1;
|
|
ULONG WhichPool:1;
|
|
ULONG Prototype:1;
|
|
ULONG ProtoAddressHigh:21;
|
|
} MMPTE_PROTOTYPE;
|
|
|
|
typedef struct _MMPTE_SUBSECTION
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG SubsectionAddressLow:4;
|
|
ULONG Protection:5;
|
|
ULONG Prototype:1;
|
|
ULONG SubsectionAddressHigh:20;
|
|
ULONG WhichPool:1;
|
|
} MMPTE_SUBSECTION;
|
|
|
|
typedef struct _MMPTE_LIST
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG OneEntry:1;
|
|
ULONG filler0:8;
|
|
ULONG Prototype:1;
|
|
ULONG filler1:1;
|
|
ULONG NextEntry:20;
|
|
} MMPTE_LIST;
|
|
|
|
#ifndef CONFIG_SMP
|
|
|
|
typedef struct _MMPTE_HARDWARE
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG Write:1;
|
|
ULONG Owner:1;
|
|
ULONG WriteThrough:1;
|
|
ULONG CacheDisable:1;
|
|
ULONG Accessed:1;
|
|
ULONG Dirty:1;
|
|
ULONG LargePage:1;
|
|
ULONG Global:1;
|
|
ULONG CopyOnWrite:1;
|
|
ULONG Prototype:1;
|
|
ULONG reserved:1;
|
|
ULONG PageFrameNumber:20;
|
|
} MMPTE_HARDWARE, *PMMPTE_HARDWARE;
|
|
|
|
#else
|
|
|
|
typedef struct _MMPTE_HARDWARE
|
|
{
|
|
ULONG Valid:1;
|
|
ULONG Writable:1;
|
|
ULONG Owner:1;
|
|
ULONG WriteThrough:1;
|
|
ULONG CacheDisable:1;
|
|
ULONG Accessed:1;
|
|
ULONG Dirty:1;
|
|
ULONG LargePage:1;
|
|
ULONG Global:1;
|
|
ULONG CopyOnWrite:1;
|
|
ULONG Prototype:1;
|
|
ULONG Write:1;
|
|
ULONG PageFrameNumber:20;
|
|
} MMPTE_HARDWARE, *PMMPTE_HARDWARE;
|
|
|
|
#endif
|
|
|
|
//
|
|
// Use the right PTE structure
|
|
//
|
|
#define HARDWARE_PTE HARDWARE_PTE_X86
|
|
#define PHARDWARE_PTE PHARDWARE_PTE_X86
|
|
|
|
typedef struct _MMPTE
|
|
{
|
|
union
|
|
{
|
|
ULONG_PTR Long;
|
|
HARDWARE_PTE Flush;
|
|
MMPTE_HARDWARE Hard;
|
|
MMPTE_PROTOTYPE Proto;
|
|
MMPTE_SOFTWARE Soft;
|
|
MMPTE_TRANSITION Trans;
|
|
MMPTE_SUBSECTION Subsect;
|
|
MMPTE_LIST List;
|
|
} u;
|
|
} MMPTE, *PMMPTE,
|
|
MMPDE, *PMMPDE;
|
|
|
|
#ifdef __cplusplus
|
|
}; // extern "C"
|
|
#endif
|
|
|
|
#endif
|