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[NTOS]: Compute MiHighestUserPte, MiHighestUserPde, MiSessionImagePteStart, MiSessionImagePteEnd, MiSessionBasePte, MiSessionLastPte since these internal variables did not exit yet. Useful for debugging and also future PFN support. Just computes some values, no behavior changes.

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svn path=/trunk/; revision=47173
This commit is contained in:
Sir Richard 2010-05-12 18:36:15 +00:00
parent 133872d3e7
commit 926bd0522f
1 changed files with 23 additions and 1 deletions
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24
reactos/ntoskrnl/mm/ARM3/mminit.c
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@ -136,6 +136,14 @@ ULONG MmSessionViewSize;
ULONG MmSessionPoolSize;
ULONG MmSessionImageSize;
/*
* These are the PTE addresses of the boundaries carved out above
*/
PMMPTE MiSessionImagePteStart;
PMMPTE MiSessionImagePteEnd;
PMMPTE MiSessionBasePte;
PMMPTE MiSessionLastPte;
//
// The system view space, on the other hand, is where sections that are memory
// mapped into "system space" end up.
@ -217,6 +225,11 @@ ULONG MmUserProbeAddress;
PVOID MmHighestUserAddress;
PVOID MmSystemRangeStart;
/* And these store the respective highest PTE/PDE address */
PMMPTE MiHighestUserPte;
PMMPDE MiHighestUserPde;
/* These variables define the system cache address space */
PVOID MmSystemCacheStart;
PVOID MmSystemCacheEnd;
MMSUPPORT MmSystemCacheWs;
@ -1700,6 +1713,10 @@ MmArmInitSystem(IN ULONG Phase,
MmUserProbeAddress = (ULONG_PTR)MmSystemRangeStart - 0x10000;
MmHighestUserAddress = (PVOID)(MmUserProbeAddress - 1);
/* Highest PTE and PDE based on the addresses above */
MiHighestUserPte = MiAddressToPte(MmHighestUserAddress);
MiHighestUserPde = MiAddressToPde(MmHighestUserAddress);
//
// Get the size of the boot loader's image allocations and then round
// that region up to a PDE size, so that any PDEs we might create for
@ -1772,7 +1789,12 @@ MmArmInitSystem(IN ULONG Phase,
//
MiSystemViewStart = (PVOID)((ULONG_PTR)MmSessionBase -
MmSystemViewSize);
/* Compute the PTE addresses for all the addresses we carved out */
MiSessionImagePteStart = MiAddressToPte(MiSessionImageStart);
MiSessionImagePteEnd = MiAddressToPte(MiSessionImageEnd);
MiSessionBasePte = MiAddressToPte(MmSessionBase);
MiSessionLastPte = MiAddressToPte(MiSessionSpaceEnd);
/* Initialize the user mode image list */
InitializeListHead(&MmLoadedUserImageList);