mirror of
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c424146e2c
svn path=/branches/cmake-bringup/; revision=48236
218 lines
7.1 KiB
C
218 lines
7.1 KiB
C
/*
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* Lowlevel memory managment definitions
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*/
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#pragma once
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/* Helper macros */
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#define PAGE_MASK(x) ((x)&(~0xfff))
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#define PAE_PAGE_MASK(x) ((x)&(~0xfffLL))
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/* Memory layout base addresses */
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#define HYPER_SPACE 0xFFFFF70000000000ULL
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#define HYPER_SPACE_END 0xFFFFF77FFFFFFFFFULL
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#define MI_SESSION_SPACE_MINIMUM (PVOID)0xFFFFF90000000000ULL
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#define MI_SESSION_VIEW_END (PVOID)0xFFFFF97FFF000000ULL
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#define MI_SESSION_SPACE_END (PVOID)0xFFFFF98000000000ULL
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#define MI_SYSTEM_PTE_START (PVOID)0xFFFFFAA000000000ULL
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#define MI_PAGED_POOL_START (PVOID)0xFFFFFA8000000000ULL
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#define MI_NON_PAGED_SYSTEM_START_MIN 0xFFFFFAA000000000ULL
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#define MI_PFN_DATABASE (PVOID)0xFFFFFAC000000000ULL
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#define MI_NONPAGED_POOL_END (PVOID)0xFFFFFAE000000000ULL
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#define MI_DEBUG_MAPPING (PVOID)0xFFFFFFFF80000000ULL // FIXME
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#define MI_HIGHEST_SYSTEM_ADDRESS (PVOID)0xFFFFFFFFFFFFFFFFULL
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#define MI_SYSTEM_CACHE_WS_START (PVOID)0xFFFFF78000001000ULL // CHECKME
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#define MI_LOWEST_VAD_ADDRESS (PVOID)0x000000007FF00000ULL
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#define MI_SYSTEM_PTE_BASE (PVOID)MiAddressToPte(KSEG0_BASE)
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/* Memory sizes */
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#define MI_MIN_PAGES_FOR_NONPAGED_POOL_TUNING ((255*1024*1024) >> PAGE_SHIFT)
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#define MI_MIN_PAGES_FOR_SYSPTE_TUNING ((19*1024*1024) >> PAGE_SHIFT)
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#define MI_MIN_PAGES_FOR_SYSPTE_BOOST ((32*1024*1024) >> PAGE_SHIFT)
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#define MI_MAX_INIT_NONPAGED_POOL_SIZE (128ULL * 1024 * 1024 * 1024)
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#define MI_MAX_NONPAGED_POOL_SIZE (128ULL * 1024 * 1024 * 1024)
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#define MI_MAX_FREE_PAGE_LISTS 4
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#define MI_MIN_INIT_PAGED_POOLSIZE (32 * 1024 * 1024)
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#define MI_SESSION_VIEW_SIZE (20 * 1024 * 1024)
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#define MI_SESSION_POOL_SIZE (16 * 1024 * 1024)
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#define MI_SESSION_IMAGE_SIZE (8 * 1024 * 1024)
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#define MI_SESSION_WORKING_SET_SIZE (4 * 1024 * 1024)
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#define MI_SESSION_SIZE (MI_SESSION_VIEW_SIZE + \
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MI_SESSION_POOL_SIZE + \
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MI_SESSION_IMAGE_SIZE + \
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MI_SESSION_WORKING_SET_SIZE)
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#define MI_SYSTEM_VIEW_SIZE (16 * 1024 * 1024)
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#define MI_NUMBER_SYSTEM_PTES 22000
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#define MI_MIN_SECONDARY_COLORS 8
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#define MI_SECONDARY_COLORS 64
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#define MI_MAX_SECONDARY_COLORS 1024
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#define MI_MIN_ALLOCATION_FRAGMENT (4 * _1KB)
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#define MI_ALLOCATION_FRAGMENT (64 * _1KB)
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#define MI_MAX_ALLOCATION_FRAGMENT (2 * _1MB)
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#define MM_HIGHEST_VAD_ADDRESS \
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(PVOID)((ULONG_PTR)MM_HIGHEST_USER_ADDRESS - (16 * PAGE_SIZE))
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PULONG64
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FORCEINLINE
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MmGetPageDirectory(VOID)
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{
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return (PULONG64)__readcr3();
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}
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PMMPTE
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FORCEINLINE
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MiAddressToPxe(PVOID Address)
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{
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ULONG64 Offset = (ULONG64)Address >> (PXI_SHIFT - 3);
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Offset &= PXI_MASK << 3;
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return (PMMPTE)(PXE_BASE + Offset);
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}
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PMMPTE
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FORCEINLINE
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MiAddressToPpe(PVOID Address)
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{
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ULONG64 Offset = (ULONG64)Address >> (PPI_SHIFT - 3);
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Offset &= 0x3FFFF << 3;
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return (PMMPTE)(PPE_BASE + Offset);
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}
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PMMPTE
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FORCEINLINE
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_MiAddressToPde(PVOID Address)
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{
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ULONG64 Offset = (ULONG64)Address >> (PDI_SHIFT - 3);
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Offset &= 0x7FFFFFF << 3;
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return (PMMPTE)(PDE_BASE + Offset);
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}
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#define MiAddressToPde(x) _MiAddressToPde((PVOID)(x))
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PMMPTE
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FORCEINLINE
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_MiAddressToPte(PVOID Address)
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{
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ULONG64 Offset = (ULONG64)Address >> (PTI_SHIFT - 3);
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Offset &= 0xFFFFFFFFFULL << 3;
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return (PMMPTE)(PTE_BASE + Offset);
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}
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#define MiAddressToPte(x) _MiAddressToPte((PVOID)(x))
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ULONG
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FORCEINLINE
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MiAddressToPti(PVOID Address)
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{
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ULONG64 Pti = (ULONG64)Address >> PTI_SHIFT;
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Pti &= PTI_MASK_AMD64;
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return Pti;
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}
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#define MiAddressToPteOffset(x) MiAddressToPti(x)
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/* Convert a PTE into a corresponding address */
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PVOID
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FORCEINLINE
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MiPteToAddress(PMMPTE Pte)
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{
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/* Use signed math */
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LONG64 Temp = (LONG64)Pte;
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Temp <<= 25;
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Temp >>= 16;
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return (PVOID)Temp;
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}
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BOOLEAN
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FORCEINLINE
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MiIsPdeForAddressValid(PVOID Address)
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{
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return ((MiAddressToPxe(Address)->u.Hard.Valid) &&
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(MiAddressToPpe(Address)->u.Hard.Valid) &&
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(MiAddressToPde(Address)->u.Hard.Valid));
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}
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#define ADDR_TO_PAGE_TABLE(v) (((ULONG_PTR)(v)) / (512 * PAGE_SIZE))
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#define ADDR_TO_PDE_OFFSET(v) ((((ULONG_PTR)(v)) / (512 * PAGE_SIZE)))
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#define ADDR_TO_PTE_OFFSET(v) ((((ULONG_PTR)(v)) % (512 * PAGE_SIZE)) / PAGE_SIZE)
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#define MiGetPdeOffset ADDR_TO_PDE_OFFSET
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#define VAtoPXI(va) ((((ULONG64)va) >> PXI_SHIFT) & 0x1FF)
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#define VAtoPPI(va) ((((ULONG64)va) >> PPI_SHIFT) & 0x1FF)
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#define VAtoPDI(va) ((((ULONG64)va) >> PDI_SHIFT) & 0x1FF)
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#define VAtoPTI(va) ((((ULONG64)va) >> PTI_SHIFT) & 0x1FF)
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/* We don't use these hacks */
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VOID
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FORCEINLINE
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MmUpdatePageDir(PEPROCESS Process, PVOID Address, ULONG Size)
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{
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/* Nothing to do */
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}
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VOID
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FORCEINLINE
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MmInitGlobalKernelPageDirectory(VOID)
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{
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/* Nothing to do */
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}
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#define IS_ALIGNED(addr, align) (((ULONG64)(addr) & (align - 1)) == 0)
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#define IS_PAGE_ALIGNED(addr) IS_ALIGNED(addr, PAGE_SIZE)
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/* Easy accessing PFN in PTE */
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#define PFN_FROM_PTE(v) ((v)->u.Hard.PageFrameNumber)
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// FIXME, only copied from x86
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#define MI_MAKE_LOCAL_PAGE(x) ((x)->u.Hard.Global = 0)
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#define MI_MAKE_DIRTY_PAGE(x) ((x)->u.Hard.Dirty = 1)
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#define MI_PAGE_DISABLE_CACHE(x) ((x)->u.Hard.CacheDisable = 1)
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#define MI_PAGE_WRITE_THROUGH(x) ((x)->u.Hard.WriteThrough = 1)
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#define MI_PAGE_WRITE_COMBINED(x) ((x)->u.Hard.WriteThrough = 0)
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#if !defined(CONFIG_SMP)
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#define MI_IS_PAGE_WRITEABLE(x) ((x)->u.Hard.Write == 1)
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#else
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#define MI_IS_PAGE_WRITEABLE(x) ((x)->u.Hard.Writable == 1)
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#endif
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#define MI_IS_PAGE_COPY_ON_WRITE(x)((x)->u.Hard.CopyOnWrite == 1)
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#define MI_IS_PAGE_DIRTY(x) ((x)->u.Hard.Dirty == 1)
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#define MI_MAKE_OWNER_PAGE(x) ((x)->u.Hard.Owner = 1)
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#if !defined(CONFIG_SMP)
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#define MI_MAKE_WRITE_PAGE(x) ((x)->u.Hard.Write = 1)
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#else
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#define MI_MAKE_WRITE_PAGE(x) ((x)->u.Hard.Writable = 1)
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#endif
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// FIXME!!!
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#define PAGE_TO_SECTION_PAGE_DIRECTORY_OFFSET(x) \
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((x) / (4*1024*1024))
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#define PAGE_TO_SECTION_PAGE_TABLE_OFFSET(x) \
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((((x)) % (4*1024*1024)) / (4*1024))
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#define NR_SECTION_PAGE_TABLES 1024
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#define NR_SECTION_PAGE_ENTRIES 1024
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//#define TEB_BASE 0x7FFDE000
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#define MI_HYPERSPACE_PTES (256 - 1)
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#define MI_ZERO_PTES (32)
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#define MI_MAPPING_RANGE_START (ULONG)HYPER_SPACE
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#define MI_MAPPING_RANGE_END (MI_MAPPING_RANGE_START + \
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MI_HYPERSPACE_PTES * PAGE_SIZE)
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#define MI_ZERO_PTE (PMMPTE)(MI_MAPPING_RANGE_END + \
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PAGE_SIZE)
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/* On x86, these two are the same */
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#define MMPDE MMPTE
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#define PMMPDE PMMPTE
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/*
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* FIXME - different architectures have different cache line sizes...
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*/
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#define MM_CACHE_LINE_SIZE 32
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