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[NTOS]: Acquire PFN lock before setting up hyperspace PTE/page.

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[NTOS]: Flush TLB after setting up hyperspace.
[NTOS]: Use new MiRemoveAnyPage interface instead of MmAllocPage(MC_SYSTEM), as the first test of the new Page API/ABI.
[NTOS]: Add support for creating software PTEs.

svn path=/trunk/; revision=47150
This commit is contained in:
Sir Richard 2010-05-09 18:17:53 +00:00
parent af06182171
commit eaaf713f3d
2 changed files with 49 additions and 7 deletions
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20
reactos/ntoskrnl/mm/ARM3/i386/init.c
View file

@ -151,6 +151,7 @@ MiInitMachineDependent(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
MMPTE TempPde, TempPte; MMPTE TempPde, TempPte;
PVOID NonPagedPoolExpansionVa; PVOID NonPagedPoolExpansionVa;
ULONG OldCount; ULONG OldCount;
KIRQL OldIrql;
/* Check for kernel stack size that's too big */ /* Check for kernel stack size that's too big */
if (MmLargeStackSize > (KERNEL_LARGE_STACK_SIZE / _1KB)) if (MmLargeStackSize > (KERNEL_LARGE_STACK_SIZE / _1KB))
@ -541,21 +542,26 @@ MiInitMachineDependent(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
// //
MiInitializeSystemPtes(PointerPte, MmNumberOfSystemPtes, SystemPteSpace); MiInitializeSystemPtes(PointerPte, MmNumberOfSystemPtes, SystemPteSpace);
// /* Get the PDE For hyperspace */
// Get the PDE For hyperspace
//
StartPde = MiAddressToPde(HYPER_SPACE); StartPde = MiAddressToPde(HYPER_SPACE);
// /* Lock PFN database */
// Allocate a page for it and create it OldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
//
PageFrameIndex = MmAllocPage(MC_SYSTEM); /* Allocate a page for hyperspace and create it */
PageFrameIndex = MiRemoveAnyPage(0);
TempPde.u.Hard.PageFrameNumber = PageFrameIndex; TempPde.u.Hard.PageFrameNumber = PageFrameIndex;
TempPde.u.Hard.Global = FALSE; // Hyperspace is local! TempPde.u.Hard.Global = FALSE; // Hyperspace is local!
ASSERT(StartPde->u.Hard.Valid == 0); ASSERT(StartPde->u.Hard.Valid == 0);
ASSERT(TempPde.u.Hard.Valid == 1); ASSERT(TempPde.u.Hard.Valid == 1);
*StartPde = TempPde; *StartPde = TempPde;
/* Flush the TLB */
KeFlushCurrentTb();
/* Release the lock */
KeReleaseQueuedSpinLock(LockQueuePfnLock, OldIrql);
// //
// Zero out the page table now // Zero out the page table now
// //

36
reactos/ntoskrnl/mm/ARM3/miarm.h
View file

@ -89,6 +89,24 @@
#define MM_DECOMMIT 0x10 #define MM_DECOMMIT 0x10
#define MM_NOACCESS (MM_DECOMMIT | MM_NOCACHE) #define MM_NOACCESS (MM_DECOMMIT | MM_NOCACHE)
//
// Corresponds to MMPTE_SOFTWARE.Protection
//
#ifdef _M_IX86
#define MM_PTE_SOFTWARE_PROTECTION_BITS 5
#elif _M_ARM
#define MM_PTE_SOFTWARE_PROTECTION_BITS 5
#elif _M_AMD64
#define MM_PTE_SOFTWARE_PROTECTION_BITS 5
#else
#error Define these please!
#endif
//
// Creates a software PTE with the given protection
//
#define MI_MAKE_SOFTWARE_PTE(x) ((x) << MM_PTE_SOFTWARE_PROTECTION_BITS)
// //
// Special values for LoadedImports // Special values for LoadedImports
// //
@ -409,6 +427,12 @@ MmArmAccessFault(
IN PVOID TrapInformation IN PVOID TrapInformation
); );
NTSTATUS
FASTCALL
MiCheckPdeForPagedPool(
IN PVOID Address
);
VOID VOID
NTAPI NTAPI
MiInitializeNonPagedPool( MiInitializeNonPagedPool(
@ -532,6 +556,18 @@ MiRemoveHeadList(
IN PMMPFNLIST ListHead IN PMMPFNLIST ListHead
); );
PFN_NUMBER
NTAPI
MiAllocatePfn(
IN PMMPTE PointerPte,
IN ULONG Protection
);
PFN_NUMBER
NTAPI
MiRemoveAnyPage(
IN ULONG Color
);
VOID VOID
NTAPI NTAPI