POBJECT_TYPE MmSectionObjectType = NULL;
+SIZE_T MmAllocationFragment;
+
+ULONG_PTR MmSubsectionBase;
+
static GENERIC_MAPPING MmpSectionMapping = {
STANDARD_RIGHTS_READ | SECTION_MAP_READ | SECTION_QUERY,
STANDARD_RIGHTS_WRITE | SECTION_MAP_WRITE,
PFILE_OBJECT FileObject;
PBCB Bcb;
SWAPENTRY SavedSwapEntry;
- PFN_TYPE Page;
+ PFN_NUMBER Page;
BOOLEAN IsImageSection;
ULONG FileOffset;
return FALSE;
}
+NTSTATUS
+NTAPI
+MiCopyFromUserPage(PFN_NUMBER DestPage, PVOID SourceAddress)
+{
+ PEPROCESS Process;
+ KIRQL Irql;
+ PVOID TempAddress;
+
+ Process = PsGetCurrentProcess();
+ TempAddress = MiMapPageInHyperSpace(Process, DestPage, &Irql);
+ if (TempAddress == NULL)
+ {
+ return(STATUS_NO_MEMORY);
+ }
+ memcpy(TempAddress, SourceAddress, PAGE_SIZE);
+ MiUnmapPageInHyperSpace(Process, TempAddress, Irql);
+ return(STATUS_SUCCESS);
+}
+
NTSTATUS
NTAPI
MiReadPage(PMEMORY_AREA MemoryArea,
ULONG SegOffset,
- PPFN_TYPE Page)
+ PPFN_NUMBER Page)
/*
* FUNCTION: Read a page for a section backed memory area.
* PARAMETERS:
BOOLEAN Locked)
{
ULONG Offset;
- PFN_TYPE Page;
+ PFN_NUMBER Page;
NTSTATUS Status;
PVOID PAddress;
PROS_SECTION_OBJECT Section;
*/
if (MmIsPagePresent(Process, Address))
{
- if (Locked)
- {
- MmLockPage(MmGetPfnForProcess(Process, Address));
- }
return(STATUS_SUCCESS);
}
}
MmInsertRmap(Page, Process, (PVOID)PAddress);
}
- if (Locked)
- {
- MmLockPage(Page);
- }
MmUnlockSectionSegment(Segment);
PageOp->Status = STATUS_SUCCESS;
MmspCompleteAndReleasePageOp(PageOp);
/*
* Finish the operation
*/
- if (Locked)
- {
- MmLockPage(Page);
- }
PageOp->Status = STATUS_SUCCESS;
MmspCompleteAndReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
KeBugCheck(MEMORY_MANAGEMENT);
return(Status);
}
- /*
- * Don't add an rmap entry since the page mapped could be for
- * anything.
- */
- if (Locked)
- {
- MmLockPageUnsafe(Page);
- }
/*
* Cleanup and release locks
return(Status);
}
MmInsertRmap(Page, Process, (PVOID)PAddress);
- if (Locked)
- {
- MmLockPage(Page);
- }
/*
* Cleanup and release locks
}
MmInsertRmap(Page, Process, (PVOID)PAddress);
- if (Locked)
- {
- MmLockPage(Page);
- }
PageOp->Status = STATUS_SUCCESS;
MmspCompleteAndReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
KeBugCheck(MEMORY_MANAGEMENT);
}
MmInsertRmap(Page, Process, (PVOID)PAddress);
- if (Locked)
- {
- MmLockPage(Page);
- }
PageOp->Status = STATUS_SUCCESS;
MmspCompleteAndReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
KeBugCheck(MEMORY_MANAGEMENT);
}
MmInsertRmap(Page, Process, (PVOID)PAddress);
- if (Locked)
- {
- MmLockPage(Page);
- }
PageOp->Status = STATUS_SUCCESS;
MmspCompleteAndReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
{
PMM_SECTION_SEGMENT Segment;
PROS_SECTION_OBJECT Section;
- PFN_TYPE OldPage;
- PFN_TYPE NewPage;
+ PFN_NUMBER OldPage;
+ PFN_NUMBER NewPage;
NTSTATUS Status;
PVOID PAddress;
ULONG Offset;
DPRINT1("Unable to create virtual mapping\n");
KeBugCheck(MEMORY_MANAGEMENT);
}
- if (Locked)
- {
- MmLockPage(NewPage);
- MmUnlockPage(OldPage);
- }
/*
* Unshare the old page.
{
MM_SECTION_PAGEOUT_CONTEXT* PageOutContext;
BOOLEAN WasDirty;
- PFN_TYPE Page;
+ PFN_NUMBER Page;
PageOutContext = (MM_SECTION_PAGEOUT_CONTEXT*)Context;
if (Process)
PVOID Address,
PMM_PAGEOP PageOp)
{
- PFN_TYPE Page;
+ PFN_NUMBER Page;
MM_SECTION_PAGEOUT_CONTEXT Context;
SWAPENTRY SwapEntry;
ULONG Entry;
BOOLEAN DirectMapped;
BOOLEAN IsImageSection;
PEPROCESS Process = MmGetAddressSpaceOwner(AddressSpace);
+ KIRQL OldIrql;
Address = (PVOID)PAGE_ROUND_DOWN(Address);
}
else
{
+ OldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
MmReferencePage(Page);
+ KeReleaseQueuedSpinLock(LockQueuePfnLock, OldIrql);
}
MmDeleteAllRmaps(Page, (PVOID)&Context, MmPageOutDeleteMapping);
ULONG Offset;
PROS_SECTION_OBJECT Section;
PMM_SECTION_SEGMENT Segment;
- PFN_TYPE Page;
+ PFN_NUMBER Page;
SWAPENTRY SwapEntry;
ULONG Entry;
BOOLEAN Private;
{
ULONG Offset;
ULONG Entry;
- PFN_TYPE Page;
+ PFN_NUMBER Page;
Offset = (ULONG_PTR)Address - (ULONG_PTR)MemoryArea->StartingAddress
+ MemoryArea->Data.SectionData.ViewOffset;
MmQuerySectionView(PMEMORY_AREA MemoryArea,
PVOID Address,
PMEMORY_BASIC_INFORMATION Info,
- PULONG ResultLength)
+ PSIZE_T ResultLength)
{
PMM_REGION Region;
PVOID RegionBaseAddress;
ULONG Offset;
ULONG Entry;
ULONG SavedSwapEntry;
- PFN_TYPE Page;
+ PFN_NUMBER Page;
Page = 0;
LARGE_INTEGER Offset;
CHAR Buffer;
FILE_STANDARD_INFORMATION FileInfo;
+ ULONG Length;
/*
* Create the section
FileStandardInformation,
sizeof(FILE_STANDARD_INFORMATION),
&FileInfo,
- &Iosb.Information);
+ &Length);
+ Iosb.Information = Length;
if (!NT_SUCCESS(Status))
{
ObDereferenceObject(Section);
static VOID
MmFreeSectionPage(PVOID Context, MEMORY_AREA* MemoryArea, PVOID Address,
- PFN_TYPE Page, SWAPENTRY SwapEntry, BOOLEAN Dirty)
+ PFN_NUMBER Page, SWAPENTRY SwapEntry, BOOLEAN Dirty)
{
ULONG Entry;
PFILE_OBJECT FileObject;
NtQuerySection(IN HANDLE SectionHandle,
IN SECTION_INFORMATION_CLASS SectionInformationClass,
OUT PVOID SectionInformation,
- IN ULONG SectionInformationLength,
- OUT PULONG ResultLength OPTIONAL)
+ IN SIZE_T SectionInformationLength,
+ OUT PSIZE_T ResultLength OPTIONAL)
{
PROS_SECTION_OBJECT Section;
KPROCESSOR_MODE PreviousMode;
sizeof(ExSectionInfoClass) / sizeof(ExSectionInfoClass[0]),
SectionInformation,
SectionInformationLength,
+ NULL,
ResultLength,
PreviousMode);
return STATUS_NOT_IMPLEMENTED;
}
-
-/**********************************************************************
- * NAME INTERNAL
- * MmAllocateSection@4
- *
- * DESCRIPTION
- *
- * ARGUMENTS
- * Length
- *
- * RETURN VALUE
- *
- * NOTE
- * Code taken from ntoskrnl/mm/special.c.
- *
- * REVISIONS
- */
-PVOID NTAPI
-MmAllocateSection (IN ULONG Length, PVOID BaseAddress)
-{
- PVOID Result;
- MEMORY_AREA* marea;
- NTSTATUS Status;
- PMMSUPPORT AddressSpace;
- PHYSICAL_ADDRESS BoundaryAddressMultiple;
-
- DPRINT("MmAllocateSection(Length %x)\n",Length);
-
- BoundaryAddressMultiple.QuadPart = 0;
-
- AddressSpace = MmGetKernelAddressSpace();
- Result = BaseAddress;
- MmLockAddressSpace(AddressSpace);
- Status = MmCreateMemoryArea (AddressSpace,
- MEMORY_AREA_SYSTEM,
- &Result,
- Length,
- 0,
- &marea,
- FALSE,
- 0,
- BoundaryAddressMultiple);
- MmUnlockAddressSpace(AddressSpace);
-
- if (!NT_SUCCESS(Status))
- {
- return (NULL);
- }
- DPRINT("Result %p\n",Result);
-
- /* Create a virtual mapping for this memory area */
- MmMapMemoryArea(Result, Length, MC_NPPOOL, PAGE_READWRITE);
-
- return ((PVOID)Result);
-}
-
-
/**********************************************************************
* NAME EXPORTED
* MmMapViewOfSection
/* Something must gone wrong
* how can we have a Section but no
* reference? */
- DPRINT1("ERROR: DataSectionObject without reference!\n");
+ DPRINT("ERROR: DataSectionObject without reference!\n");
}
}
NTSTATUS NTAPI
MmMapViewInSystemSpace (IN PVOID SectionObject,
OUT PVOID * MappedBase,
- IN OUT PULONG ViewSize)
+ IN OUT PSIZE_T ViewSize)
{
PROS_SECTION_OBJECT Section;
PMMSUPPORT AddressSpace;
return STATUS_NOT_IMPLEMENTED;
}
-/*
- * @unimplemented
- */
-NTSTATUS NTAPI
-MmSetBankedSection (ULONG Unknown0,
- ULONG Unknown1,
- ULONG Unknown2,
- ULONG Unknown3,
- ULONG Unknown4,
- ULONG Unknown5)
-{
- UNIMPLEMENTED;
- return (STATUS_NOT_IMPLEMENTED);
-}
-
-
/**********************************************************************
* NAME EXPORTED
* MmCreateSection@
AllocationAttributes));
}
-NTSTATUS
-NTAPI
-NtAllocateUserPhysicalPages(IN HANDLE ProcessHandle,
- IN OUT PULONG_PTR NumberOfPages,
- IN OUT PULONG_PTR UserPfnArray)
-{
- UNIMPLEMENTED;
- return STATUS_NOT_IMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-NtMapUserPhysicalPages(IN PVOID VirtualAddresses,
- IN ULONG_PTR NumberOfPages,
- IN OUT PULONG_PTR UserPfnArray)
-{
- UNIMPLEMENTED;
- return STATUS_NOT_IMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-NtMapUserPhysicalPagesScatter(IN PVOID *VirtualAddresses,
- IN ULONG_PTR NumberOfPages,
- IN OUT PULONG_PTR UserPfnArray)
-{
- UNIMPLEMENTED;
- return STATUS_NOT_IMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-NtFreeUserPhysicalPages(IN HANDLE ProcessHandle,
- IN OUT PULONG_PTR NumberOfPages,
- IN OUT PULONG_PTR UserPfnArray)
-{
- UNIMPLEMENTED;
- return STATUS_NOT_IMPLEMENTED;
-}
-
NTSTATUS
NTAPI
NtAreMappedFilesTheSame(IN PVOID File1MappedAsAnImage,
projects / reactos.git / blobdiff