mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-09-02 12:23:31 +00:00
[MM]
Overall code improvements. svn path=/branches/ros-amd64-bringup/; revision=44222
This commit is contained in:
Timo Kreuzer
@@ -12,6 +12,7 @@
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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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@@ -103,6 +104,8 @@ MmInitGlobalKernelPageDirectory(VOID)
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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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/// MIARM.H
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+144
-169
@@ -20,30 +20,8 @@ extern PMMPTE MmDebugPte;
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/* GLOBALS *****************************************************************/
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ULONG64 MmUserProbeAddress = 0x7FFFFFF0000ULL;
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PVOID MmHighestUserAddress = (PVOID)0x7FFFFFEFFFFULL;
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PVOID MmSystemRangeStart = (PVOID)0xFFFF080000000000ULL;
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/* Size of session view, pool, and image */
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ULONG64 MmSessionSize = MI_SESSION_SIZE;
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ULONG64 MmSessionViewSize = MI_SESSION_VIEW_SIZE;
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ULONG64 MmSessionPoolSize = MI_SESSION_POOL_SIZE;
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ULONG64 MmSessionImageSize = MI_SESSION_IMAGE_SIZE;
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/* Session space addresses */
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PVOID MiSessionSpaceEnd = MI_SESSION_SPACE_END; // FFFFF98000000000
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PVOID MiSessionImageEnd; // FFFFF98000000000 = MiSessionSpaceEnd
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PVOID MiSessionImageStart; // ?FFFFF97FFF000000 = MiSessionImageEnd - MmSessionImageSize
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PVOID MiSessionViewEnd; // FFFFF97FFF000000
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PVOID MiSessionViewStart; // = MiSessionViewEnd - MmSessionViewSize
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PVOID MiSessionPoolEnd; // = MiSessionViewStart
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PVOID MiSessionPoolStart; // FFFFF90000000000 = MiSessionPoolEnd - MmSessionPoolSize
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PVOID MmSessionBase; // FFFFF90000000000 = MiSessionPoolStart
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/* System view */
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ULONG64 MmSystemViewSize = MI_SYSTEM_VIEW_SIZE;
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PVOID MiSystemViewStart;
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/* Sizes */
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ULONG64 MmBootImageSize;
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ULONG64 MmMinimumNonPagedPoolSize = 256 * 1024;
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ULONG64 MmSizeOfNonPagedPoolInBytes;
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ULONG64 MmMaximumNonPagedPoolInBytes;
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@@ -51,40 +29,58 @@ ULONG64 MmMaximumNonPagedPoolPercent;
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ULONG64 MmMinAdditionNonPagedPoolPerMb = 32 * 1024;
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ULONG64 MmMaxAdditionNonPagedPoolPerMb = 400 * 1024;
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ULONG64 MmDefaultMaximumNonPagedPool = 1024 * 1024;
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PVOID MmNonPagedSystemStart;
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ULONG64 MmSessionSize = MI_SESSION_SIZE;
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ULONG64 MmSessionViewSize = MI_SESSION_VIEW_SIZE;
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ULONG64 MmSessionPoolSize = MI_SESSION_POOL_SIZE;
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ULONG64 MmSessionImageSize = MI_SESSION_IMAGE_SIZE;
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ULONG64 MmSystemViewSize = MI_SYSTEM_VIEW_SIZE;
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ULONG64 MmSizeOfPagedPoolInBytes = MI_MIN_INIT_PAGED_POOLSIZE;
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ULONG64 MiNonPagedSystemSize;
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/* Address ranges */
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ULONG64 MmUserProbeAddress = 0x7FFFFFF0000ULL;
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PVOID MmHighestUserAddress = (PVOID)0x7FFFFFEFFFFULL;
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PVOID MmSystemRangeStart = (PVOID)0xFFFF080000000000ULL;
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PVOID MmSessionBase; // FFFFF90000000000 = MiSessionPoolStart
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PVOID MiSessionPoolStart; // FFFFF90000000000 = MiSessionPoolEnd - MmSessionPoolSize
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PVOID MiSessionPoolEnd; // = MiSessionViewStart
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PVOID MiSessionViewStart; // = MiSessionViewEnd - MmSessionViewSize
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PVOID MiSessionViewEnd; // FFFFF97FFF000000
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PVOID MiSessionImageStart; // ?FFFFF97FFF000000 = MiSessionImageEnd - MmSessionImageSize
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PVOID MiSessionImageEnd; // FFFFF98000000000 = MiSessionSpaceEnd
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PVOID MiSessionSpaceEnd = MI_SESSION_SPACE_END; // FFFFF98000000000
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PVOID MmSystemCacheStart; // FFFFF98000000000
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PVOID MmSystemCacheEnd; // FFFFFA8000000000
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PVOID MmPagedPoolStart = MI_PAGED_POOL_START; // FFFFFA8000000000
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PVOID MmPagedPoolEnd; // FFFFFAA000000000
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PVOID MiSystemViewStart;
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PVOID MmNonPagedSystemStart; // FFFFFAA000000000
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PVOID MmNonPagedPoolStart;
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PVOID MmNonPagedPoolExpansionStart;
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PVOID MmNonPagedPoolEnd = MI_NONPAGED_POOL_END;
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PVOID MmNonPagedPoolEnd = MI_NONPAGED_POOL_END; // 0xFFFFFAE000000000
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ULONG64 MmSizeOfPagedPoolInBytes = MI_MIN_INIT_PAGED_POOLSIZE;
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PVOID MmPagedPoolStart = MI_PAGED_POOL_START;
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PVOID MmPagedPoolEnd;
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ULONG64 MmBootImageSize;
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PPHYSICAL_MEMORY_DESCRIPTOR MmPhysicalMemoryBlock;
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RTL_BITMAP MiPfnBitMap;
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ULONG MmNumberOfPhysicalPages, MmHighestPhysicalPage, MmLowestPhysicalPage = -1; // FIXME: ULONG64
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ULONG64 MmNumberOfSystemPtes;
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ULONG MmNumberOfSystemPtes;
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PMMPTE MmSystemPagePtes;
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MMSUPPORT MmSystemCacheWs;
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RTL_BITMAP MiPfnBitMap;
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ULONG64 MxPfnAllocation;
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ULONG64 MxPfnSizeInBytes;
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PVOID MmSystemCacheStart;
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PVOID MmSystemCacheEnd;
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MMSUPPORT MmSystemCacheWs;
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PMEMORY_ALLOCATION_DESCRIPTOR MxFreeDescriptor;
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MEMORY_ALLOCATION_DESCRIPTOR MxOldFreeDescriptor;
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ULONG MiNumberDescriptors = 0;
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BOOLEAN MiIncludeType[LoaderMaximum];
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///////////////////////////////////////////////
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PMEMORY_ALLOCATION_DESCRIPTOR MxFreeDescriptor;
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MEMORY_ALLOCATION_DESCRIPTOR MxOldFreeDescriptor;
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PFN_NUMBER MxFreePageBase;
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ULONG64 MxFreePageCount = 0;
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/* FUNCTIONS *****************************************************************/
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ULONG
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NoDbgPrint(const char *Format, ...)
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{
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@@ -291,7 +287,7 @@ MiArmConfigureMemorySizes(IN PLOADER_PARAMETER_BLOCK LoaderBloc)
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/* Check if the registy setting or our dynamic calculation was too high */
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if (MmSizeOfNonPagedPoolInBytes > MI_MAX_INIT_NONPAGED_POOL_SIZE)
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{
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// Set it to the maximum */
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/* Set it to the maximum */
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MmSizeOfNonPagedPoolInBytes = MI_MAX_INIT_NONPAGED_POOL_SIZE;
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}
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@@ -333,35 +329,119 @@ MiArmInitializeMemoryLayout(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
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/* This is where we will load Win32k.sys and the video driver */
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MiSessionImageEnd = MiSessionSpaceEnd;
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MiSessionImageStart = (PVOID)((ULONG_PTR)MiSessionImageEnd -
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MmSessionImageSize);
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MiSessionImageStart = (PCHAR)MiSessionImageEnd - MmSessionImageSize;
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/* The view starts right below the session working set (itself below
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* the image area) */
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MiSessionViewEnd = MI_SESSION_VIEW_END;
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MiSessionViewStart = (PVOID)((ULONG_PTR)MiSessionViewStart -
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MmSessionViewSize);
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MiSessionViewStart = (PCHAR)MiSessionViewEnd - MmSessionViewSize;
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ASSERT(IS_PAGE_ALIGNED(MiSessionViewStart));
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/* Session pool follows */
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MiSessionPoolEnd = MiSessionViewStart;
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MiSessionPoolStart = (PVOID)((ULONG_PTR)MiSessionPoolEnd -
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MmSessionPoolSize);
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MiSessionPoolStart = (PCHAR)MiSessionPoolEnd - MmSessionPoolSize;
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ASSERT(IS_PAGE_ALIGNED(MiSessionPoolStart));
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/* And it all begins here */
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MmSessionBase = MiSessionPoolStart;
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/* System view space ends at session space, so now that we know where
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* this is, we can compute the base address of system view space itself. */
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MiSystemViewStart = (PVOID)((ULONG_PTR)MmSessionBase -
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MmSystemViewSize);
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MiSystemViewStart = (PCHAR)MmSessionBase - MmSystemViewSize;
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ASSERT(IS_PAGE_ALIGNED(MiSystemViewStart));
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/* Use the default */
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/* Calculate the size of the PFN database and convert to pages */
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MxPfnSizeInBytes = ROUND_TO_PAGES((MmHighestPhysicalPage + 1) * sizeof(MMPFN));
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MxPfnAllocation = MxPfnSizeInBytes >> PAGE_SHIFT;
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/* The PFN database is at the start of the non paged region */
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MmPfnDatabase = (PVOID)((PCHAR)MmNonPagedPoolEnd -
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MmMaximumNonPagedPoolInBytes);
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/* Reduce maximum non paged pool size */
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MmMaximumNonPagedPoolInBytes -= MxPfnSizeInBytes;
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/* Put non paged pool after the PFN database */
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MmNonPagedPoolStart = (PCHAR)MmPfnDatabase + MxPfnSizeInBytes;
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ASSERT(IS_PAGE_ALIGNED(MmNonPagedPoolStart));
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/* Calculate the nonpaged pool expansion start region */
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MmNonPagedPoolExpansionStart = (PCHAR)MmNonPagedPoolStart +
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MmSizeOfNonPagedPoolInBytes;
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ASSERT(IS_PAGE_ALIGNED(MmNonPagedPoolExpansionStart));
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/* Use the default numer of system PTEs */
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MmNumberOfSystemPtes = MI_NUMBER_SYSTEM_PTES;
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/* System PTE pool is below the PFN database */
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MiNonPagedSystemSize = (MmNumberOfSystemPtes + 1) * PAGE_SIZE;
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MmNonPagedSystemStart = (PCHAR)MmPfnDatabase - MiNonPagedSystemSize;
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MmNonPagedSystemStart = MM_ROUND_DOWN(MmNonPagedSystemStart, 512 * PAGE_SIZE);
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/* Don't let it go below the minimum */
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if (MmNonPagedSystemStart < (PVOID)MI_NON_PAGED_SYSTEM_START_MIN)
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{
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/* This is a hard-coded limit in the Windows NT address space */
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MmNonPagedSystemStart = (PVOID)MI_NON_PAGED_SYSTEM_START_MIN;
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/* Reduce the amount of system PTEs to reach this point */
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MmNumberOfSystemPtes = ((ULONG64)MmPfnDatabase -
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(ULONG64)MmNonPagedSystemStart) >>
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PAGE_SHIFT;
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MmNumberOfSystemPtes--;
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ASSERT(MmNumberOfSystemPtes > 1000);
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}
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/* Sanity checks */
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ASSERT(MiSessionViewEnd <= MiSessionImageStart);
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ASSERT(MmSessionBase <= MiSessionPoolStart);
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}
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VOID
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NTAPI
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MiArmPreparePfnDatabse(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
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{
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PMEMORY_ALLOCATION_DESCRIPTOR MdBlock;
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PLIST_ENTRY ListEntry;
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PUCHAR Page, FirstPage;
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SIZE_T Size;
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/* Loop the memory descriptors */
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for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Flink;
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ListEntry != &LoaderBlock->MemoryDescriptorListHead;
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ListEntry = ListEntry->Flink)
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{
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/* Get the memory descriptor */
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MdBlock = CONTAINING_RECORD(ListEntry,
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MEMORY_ALLOCATION_DESCRIPTOR,
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ListEntry);
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/* Skip pages that are not part of the PFN database */
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if (!MiIncludeType[MdBlock->MemoryType])
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{
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continue;
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}
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/* Get the base and size of this pfn database entry */
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FirstPage = PAGE_ALIGN(&MmPfnDatabase[MdBlock->BasePage]);
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Size = ROUND_TO_PAGES(MdBlock->PageCount * sizeof(MMPFN));
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/* Loop the pages of this Pfn database entry */
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for (Page = FirstPage; Page < FirstPage + Size; Page += PAGE_SIZE)
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{
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/* Is the page already mapped? */
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if (!MmIsAddressValid(Page))
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{
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/* It's not, map it now */
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MxMapPageRange(Page, 1);
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}
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}
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/* Zero out the pages */
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RtlZeroMemory(FirstPage, Size);
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}
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}
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VOID
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MiArmInitializePageTable()
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@@ -369,6 +449,8 @@ MiArmInitializePageTable()
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ULONG64 PageFrameOffset;
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PMMPTE Pte, StartPte, EndPte;
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MMPTE TmplPte;
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PFN_NUMBER PageCount;
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PVOID Address;
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/* HACK: don't use freeldr debug print anymore */
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FrLdrDbgPrint = NoDbgPrint;
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@@ -395,6 +477,9 @@ MiArmInitializePageTable()
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Pte->u.Long = 0;
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}
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/* Flush the TLB */
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KeFlushCurrentTb();
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/* Set up a template PTE */
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TmplPte.u.Long = 0;
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TmplPte.u.Flush.Valid = 1;
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@@ -434,116 +519,6 @@ MiArmInitializePageTable()
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MxGetPte(MiPteToAddress(Pte));
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}
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/* Flush the TLB */
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KeFlushCurrentTb();
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/* Setup the mapping PTEs */
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MmFirstReservedMappingPte = MxGetPte((PVOID)MI_MAPPING_RANGE_START);
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MmFirstReservedMappingPte->u.Hard.PageFrameNumber = MI_HYPERSPACE_PTES;
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MmLastReservedMappingPte = MiAddressToPte((PVOID)MI_MAPPING_RANGE_END);
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/* Setup debug mapping PTE */
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MmDebugPte = MxGetPte(MI_DEBUG_MAPPING);
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}
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VOID
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NTAPI
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MiArmPreparePfnDatabse(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
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{
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PMEMORY_ALLOCATION_DESCRIPTOR MdBlock;
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PLIST_ENTRY ListEntry;
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SIZE_T Size;
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PUCHAR Page, FirstPage;
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/* The PFN database is at the start of the non paged region */
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MmPfnDatabase = (PVOID)((ULONG64)MmNonPagedPoolEnd - MmMaximumNonPagedPoolInBytes);
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/* Loop the memory descriptors */
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for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Flink;
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ListEntry != &LoaderBlock->MemoryDescriptorListHead;
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ListEntry = ListEntry->Flink)
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{
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/* Get the memory descriptor */
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MdBlock = CONTAINING_RECORD(ListEntry,
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MEMORY_ALLOCATION_DESCRIPTOR,
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ListEntry);
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/* Skip pages that are not part of the PFN database */
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if (!MiIncludeType[MdBlock->MemoryType])
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{
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continue;
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}
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/* Get the base and size of this pfn database entry */
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FirstPage = PAGE_ALIGN(&MmPfnDatabase[MdBlock->BasePage]);
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Size = ROUND_TO_PAGES(MdBlock->PageCount * sizeof(MMPFN));
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/* Loop the pages of this Pfn database entry */
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for (Page = FirstPage; Page < FirstPage + Size; Page += PAGE_SIZE)
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{
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/* Is the page already mapped? */
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if (!MmIsAddressValid(Page))
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{
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/* It's not, map it now */
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MxMapPageRange(Page, 1);
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}
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}
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/* Zero out the pages */
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RtlZeroMemory(FirstPage, Size);
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}
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/* Calculate the number of bytes, and then convert to pages */
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MxPfnSizeInBytes = ROUND_TO_PAGES(MmHighestPhysicalPage + 1) * sizeof(MMPFN);
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MxPfnAllocation = MxPfnSizeInBytes >> PAGE_SHIFT;
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/* Reduce maximum pool size */
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MmMaximumNonPagedPoolInBytes -= MxPfnSizeInBytes;
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}
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VOID
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NTAPI
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MiArmPrepareNonPagedPool()
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{
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PFN_NUMBER PageCount;
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PVOID Address;
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/* Non paged pool comes after the PFN database */
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MmNonPagedPoolStart = (PVOID)((ULONG64)MmPfnDatabase +
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MxPfnSizeInBytes);
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ASSERT((ULONG64)MmNonPagedPoolEnd == (ULONG64)MmNonPagedPoolStart +
|
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MmMaximumNonPagedPoolInBytes);
|
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/* Calculate the nonpaged pool expansion start region */
|
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MmNonPagedPoolExpansionStart = (PVOID)((ULONG_PTR)MmNonPagedPoolEnd -
|
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MmMaximumNonPagedPoolInBytes +
|
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MmSizeOfNonPagedPoolInBytes);
|
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MmNonPagedPoolExpansionStart = (PVOID)PAGE_ALIGN(MmNonPagedPoolExpansionStart);
|
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/* Now calculate the nonpaged system VA region, which includes the
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* nonpaged pool expansion (above) and the system PTEs. Note that it is
|
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* then aligned to a PDE boundary (4MB). */
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MmNonPagedSystemStart = (PVOID)((ULONG_PTR)MmNonPagedPoolExpansionStart -
|
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(MmNumberOfSystemPtes + 1) * PAGE_SIZE);
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MmNonPagedSystemStart = (PVOID)((ULONG_PTR)MmNonPagedSystemStart &
|
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~((4 * 1024 * 1024) - 1));
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/* Don't let it go below the minimum */
|
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if (MmNonPagedSystemStart < (PVOID)MI_NON_PAGED_SYSTEM_START_MIN)
|
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{
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/* This is a hard-coded limit in the Windows NT address space */
|
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MmNonPagedSystemStart = (PVOID)MI_NON_PAGED_SYSTEM_START_MIN;
|
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|
||||
/* Reduce the amount of system PTEs to reach this point */
|
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MmNumberOfSystemPtes = ((ULONG_PTR)MmNonPagedPoolExpansionStart -
|
||||
(ULONG_PTR)MmNonPagedSystemStart) >>
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PAGE_SHIFT;
|
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MmNumberOfSystemPtes--;
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ASSERT(MmNumberOfSystemPtes > 1000);
|
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}
|
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/* Map the nonpaged pool */
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PageCount = (MmSizeOfNonPagedPoolInBytes + PAGE_SIZE - 1) / PAGE_SIZE;
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MxMapPageRange(MmNonPagedPoolStart, PageCount);
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@@ -557,10 +532,13 @@ MiArmPrepareNonPagedPool()
|
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MxGetPte(Address)->u.Long = 0;
|
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}
|
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||||
/* Sanity check */
|
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ASSERT(MiAddressToPte(MmNonPagedSystemStart) <
|
||||
MiAddressToPte(MmNonPagedPoolExpansionStart));
|
||||
/* Setup the mapping PTEs */
|
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MmFirstReservedMappingPte = MxGetPte((PVOID)MI_MAPPING_RANGE_START);
|
||||
MmFirstReservedMappingPte->u.Hard.PageFrameNumber = MI_HYPERSPACE_PTES;
|
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MmLastReservedMappingPte = MiAddressToPte((PVOID)MI_MAPPING_RANGE_END);
|
||||
|
||||
/* Setup debug mapping PTE */
|
||||
MmDebugPte = MxGetPte(MI_DEBUG_MAPPING);
|
||||
}
|
||||
|
||||
|
||||
@@ -673,9 +651,6 @@ MmArmInitSystem(IN ULONG Phase,
|
||||
/* Prepare PFN database mappings */
|
||||
MiArmPreparePfnDatabse(LoaderBlock);
|
||||
|
||||
/* Prepare paged pool mappings */
|
||||
MiArmPrepareNonPagedPool();
|
||||
|
||||
/* Initialize some mappings */
|
||||
MiArmInitializePageTable();
|
||||
|
||||
|
||||
Reference in New Issue
Block a user