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https://github.com/reactos/reactos.git
synced 2024-06-16 09:31:51 +00:00
[NTOS:MM] Split MmCreateProcessAddressSpace in two parts
Generic one and arch-specific one. Properly fail if we are out of resources. Restore a lost assert.
This commit is contained in:
parent
6c027d28f9
commit
7ea8312617
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@ -1205,6 +1205,13 @@ MmDeleteVirtualMapping(
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PPFN_NUMBER Page
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);
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/* arch/procsup.c ************************************************************/
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BOOLEAN
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MiArchCreateProcessAddressSpace(
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_In_ PEPROCESS Process,
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_In_ PULONG_PTR DirectoryTableBase);
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/* wset.c ********************************************************************/
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NTSTATUS
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@ -999,18 +999,24 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process,
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/* Do the same for hyperspace */
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PointerPde = MiAddressToPde((PVOID)HYPER_SPACE);
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PageFrameNumber = PFN_FROM_PTE(PointerPde);
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//ASSERT(Process->Pcb.DirectoryTableBase[0] == PageFrameNumber * PAGE_SIZE); // we're not lucky
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MiInitializePfn(PageFrameNumber, (PMMPTE)PointerPde, TRUE);
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#if (_MI_PAGING_LEVELS == 2)
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ASSERT(Process->Pcb.DirectoryTableBase[1] == PageFrameNumber * PAGE_SIZE);
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#endif
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#if (_MI_PAGING_LEVELS >= 3)
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PointerPpe = MiAddressToPpe((PVOID)HYPER_SPACE);
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PageFrameNumber = PFN_FROM_PTE(PointerPpe);
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MiInitializePfn(PageFrameNumber, PointerPpe, TRUE);
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#if (_MI_PAGING_LEVELS == 3)
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ASSERT(Process->Pcb.DirectoryTableBase[1] == PageFrameNumber * PAGE_SIZE);
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#endif
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#endif
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#if (_MI_PAGING_LEVELS == 4)
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PointerPxe = MiAddressToPxe((PVOID)HYPER_SPACE);
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PageFrameNumber = PFN_FROM_PTE(PointerPxe);
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MiInitializePfn(PageFrameNumber, PointerPxe, TRUE);
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ASSERT(Process->Pcb.DirectoryTableBase[1] == PageFrameNumber * PAGE_SIZE);
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#endif
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/* Setup the PFN for the PTE for the working set */
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@ -1149,8 +1155,6 @@ MmInitializeHandBuiltProcess2(IN PEPROCESS Process)
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return STATUS_SUCCESS;
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}
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#ifdef _M_IX86
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/* FIXME: Evaluate ways to make this portable yet arch-specific */
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BOOLEAN
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NTAPI
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MmCreateProcessAddressSpace(IN ULONG MinWs,
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@ -1158,13 +1162,13 @@ MmCreateProcessAddressSpace(IN ULONG MinWs,
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OUT PULONG_PTR DirectoryTableBase)
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{
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KIRQL OldIrql;
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PFN_NUMBER PdeIndex, HyperIndex, WsListIndex;
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PMMPTE PointerPte;
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MMPTE TempPte, PdePte;
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ULONG PdeOffset;
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PMMPTE SystemTable, HyperTable;
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PFN_NUMBER TableBaseIndex, HyperIndex, WsListIndex;
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ULONG Color;
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PMMPFN Pfn1;
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/* Make sure we don't already have a page directory setup */
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ASSERT(Process->Pcb.DirectoryTableBase[0] == 0);
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ASSERT(Process->Pcb.DirectoryTableBase[1] == 0);
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ASSERT(Process->WorkingSetPage == 0);
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/* Choose a process color */
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Process->NextPageColor = (USHORT)RtlRandom(&MmProcessColorSeed);
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@ -1175,22 +1179,25 @@ MmCreateProcessAddressSpace(IN ULONG MinWs,
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/* Lock PFN database */
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OldIrql = MiAcquirePfnLock();
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/* Get a zero page for the PDE, if possible */
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/*
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* Get a page for the table base, one for hyper space & one for the working set list.
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* The PFNs for these pages will be initialized in MmInitializeProcessAddressSpace,
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* when we are already attached to the process.
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* The other pages (if any) are allocated in the arch-specific part.
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*/
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Color = MI_GET_NEXT_PROCESS_COLOR(Process);
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MI_SET_USAGE(MI_USAGE_PAGE_DIRECTORY);
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PdeIndex = MiRemoveZeroPageSafe(Color);
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if (!PdeIndex)
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TableBaseIndex = MiRemoveZeroPageSafe(Color);
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if (!TableBaseIndex)
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{
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/* No zero pages, grab a free one */
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PdeIndex = MiRemoveAnyPage(Color);
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TableBaseIndex = MiRemoveAnyPage(Color);
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/* Zero it outside the PFN lock */
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MiReleasePfnLock(OldIrql);
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MiZeroPhysicalPage(PdeIndex);
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MiZeroPhysicalPage(TableBaseIndex);
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OldIrql = MiAcquirePfnLock();
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}
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/* Get a zero page for hyperspace, if possible */
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MI_SET_USAGE(MI_USAGE_PAGE_DIRECTORY);
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Color = MI_GET_NEXT_PROCESS_COLOR(Process);
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HyperIndex = MiRemoveZeroPageSafe(Color);
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@ -1204,8 +1211,6 @@ MmCreateProcessAddressSpace(IN ULONG MinWs,
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MiZeroPhysicalPage(HyperIndex);
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OldIrql = MiAcquirePfnLock();
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}
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/* Get a zero page for the woring set list, if possible */
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MI_SET_USAGE(MI_USAGE_PAGE_TABLE);
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Color = MI_GET_NEXT_PROCESS_COLOR(Process);
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WsListIndex = MiRemoveZeroPageSafe(Color);
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@ -1224,99 +1229,33 @@ MmCreateProcessAddressSpace(IN ULONG MinWs,
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MiReleasePfnLock(OldIrql);
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}
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/* Set the base directory pointers */
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Process->WorkingSetPage = WsListIndex;
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DirectoryTableBase[0] = TableBaseIndex << PAGE_SHIFT;
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DirectoryTableBase[1] = HyperIndex << PAGE_SHIFT;
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/* Perform the arch-specific parts */
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if (!MiArchCreateProcessAddressSpace(Process, DirectoryTableBase))
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{
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OldIrql = MiAcquirePfnLock();
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MiInsertPageInFreeList(WsListIndex);
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MiInsertPageInFreeList(HyperIndex);
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MiInsertPageInFreeList(TableBaseIndex);
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MiReleasePfnLock(OldIrql);
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Process->WorkingSetPage = 0;
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DirectoryTableBase[0] = 0;
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DirectoryTableBase[1] = 0;
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return FALSE;
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}
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/* Switch to phase 1 initialization */
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ASSERT(Process->AddressSpaceInitialized == 0);
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Process->AddressSpaceInitialized = 1;
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/* Set the base directory pointers */
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Process->WorkingSetPage = WsListIndex;
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DirectoryTableBase[0] = PdeIndex << PAGE_SHIFT;
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DirectoryTableBase[1] = HyperIndex << PAGE_SHIFT;
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/* Make sure we don't already have a page directory setup */
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ASSERT(Process->Pcb.DirectoryTableBase[0] == 0);
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/* Get a PTE to map hyperspace */
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PointerPte = MiReserveSystemPtes(1, SystemPteSpace);
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ASSERT(PointerPte != NULL);
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/* Build it */
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MI_MAKE_HARDWARE_PTE_KERNEL(&PdePte,
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PointerPte,
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MM_READWRITE,
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HyperIndex);
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/* Set it dirty and map it */
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MI_MAKE_DIRTY_PAGE(&PdePte);
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MI_WRITE_VALID_PTE(PointerPte, PdePte);
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/* Now get hyperspace's page table */
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HyperTable = MiPteToAddress(PointerPte);
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/* Now write the PTE/PDE entry for the working set list index itself */
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TempPte = ValidKernelPteLocal;
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TempPte.u.Hard.PageFrameNumber = WsListIndex;
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PdeOffset = MiAddressToPteOffset(MmWorkingSetList);
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HyperTable[PdeOffset] = TempPte;
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/* Let go of the system PTE */
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MiReleaseSystemPtes(PointerPte, 1, SystemPteSpace);
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/* Save the PTE address of the page directory itself */
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Pfn1 = MiGetPfnEntry(PdeIndex);
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Pfn1->PteAddress = (PMMPTE)PDE_BASE;
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/* Insert us into the Mm process list */
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OldIrql = MiAcquireExpansionLock();
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InsertTailList(&MmProcessList, &Process->MmProcessLinks);
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MiReleaseExpansionLock(OldIrql);
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/* Get a PTE to map the page directory */
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PointerPte = MiReserveSystemPtes(1, SystemPteSpace);
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ASSERT(PointerPte != NULL);
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/* Build it */
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MI_MAKE_HARDWARE_PTE_KERNEL(&PdePte,
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PointerPte,
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MM_READWRITE,
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PdeIndex);
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/* Set it dirty and map it */
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MI_MAKE_DIRTY_PAGE(&PdePte);
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MI_WRITE_VALID_PTE(PointerPte, PdePte);
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/* Now get the page directory (which we'll double map, so call it a page table */
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SystemTable = MiPteToAddress(PointerPte);
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/* Copy all the kernel mappings */
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PdeOffset = MiGetPdeOffset(MmSystemRangeStart);
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RtlCopyMemory(&SystemTable[PdeOffset],
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MiAddressToPde(MmSystemRangeStart),
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PAGE_SIZE - PdeOffset * sizeof(MMPTE));
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/* Now write the PTE/PDE entry for hyperspace itself */
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TempPte = ValidKernelPteLocal;
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TempPte.u.Hard.PageFrameNumber = HyperIndex;
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PdeOffset = MiGetPdeOffset(HYPER_SPACE);
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SystemTable[PdeOffset] = TempPte;
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/* Sanity check */
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PdeOffset++;
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ASSERT(MiGetPdeOffset(MmHyperSpaceEnd) >= PdeOffset);
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/* Now do the x86 trick of making the PDE a page table itself */
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PdeOffset = MiGetPdeOffset(PTE_BASE);
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TempPte.u.Hard.PageFrameNumber = PdeIndex;
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SystemTable[PdeOffset] = TempPte;
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/* Let go of the system PTE */
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MiReleaseSystemPtes(PointerPte, 1, SystemPteSpace);
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/* Add the process to the session */
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MiSessionAddProcess(Process);
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return TRUE;
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}
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#endif
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VOID
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NTAPI
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@ -618,135 +618,4 @@ MmCreateVirtualMapping(PEPROCESS Process,
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return MmCreateVirtualMappingUnsafe(Process, Address, Protect, Pages, PageCount);
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}
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BOOLEAN
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NTAPI
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MmCreateProcessAddressSpace(IN ULONG MinWs,
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IN PEPROCESS Process,
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OUT PULONG_PTR DirectoryTableBase)
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{
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KIRQL OldIrql;
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PFN_NUMBER TableBasePfn, HyperPfn, HyperPdPfn, HyperPtPfn, WorkingSetPfn;
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PMMPTE SystemPte;
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MMPTE TempPte, PdePte;
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ULONG TableIndex;
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PMMPTE PageTablePointer;
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/* Make sure we don't already have a page directory setup */
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ASSERT(Process->Pcb.DirectoryTableBase[0] == 0);
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ASSERT(Process->Pcb.DirectoryTableBase[1] == 0);
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ASSERT(Process->WorkingSetPage == 0);
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/* Choose a process color */
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Process->NextPageColor = (USHORT)RtlRandom(&MmProcessColorSeed);
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/* Setup the hyperspace lock */
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KeInitializeSpinLock(&Process->HyperSpaceLock);
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/* Lock PFN database */
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OldIrql = MiAcquirePfnLock();
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/* Get a page for the table base and one for hyper space. The PFNs for
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these pages will be initialized in MmInitializeProcessAddressSpace,
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when we are already attached to the process. */
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TableBasePfn = MiRemoveAnyPage(MI_GET_NEXT_PROCESS_COLOR(Process));
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HyperPfn = MiRemoveAnyPage(MI_GET_NEXT_PROCESS_COLOR(Process));
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HyperPdPfn = MiRemoveAnyPage(MI_GET_NEXT_PROCESS_COLOR(Process));
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HyperPtPfn = MiRemoveAnyPage(MI_GET_NEXT_PROCESS_COLOR(Process));
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WorkingSetPfn = MiRemoveAnyPage(MI_GET_NEXT_PROCESS_COLOR(Process));
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/* Release PFN lock */
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MiReleasePfnLock(OldIrql);
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/* Zero pages */
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MiZeroPhysicalPage(TableBasePfn);
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MiZeroPhysicalPage(HyperPfn);
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MiZeroPhysicalPage(HyperPdPfn);
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MiZeroPhysicalPage(HyperPtPfn);
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MiZeroPhysicalPage(WorkingSetPfn);
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/* Set the base directory pointers */
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Process->WorkingSetPage = WorkingSetPfn;
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DirectoryTableBase[0] = TableBasePfn << PAGE_SHIFT;
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DirectoryTableBase[1] = HyperPfn << PAGE_SHIFT;
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/* Get a PTE to map the page directory */
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SystemPte = MiReserveSystemPtes(1, SystemPteSpace);
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ASSERT(SystemPte != NULL);
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/* Get its address */
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PageTablePointer = MiPteToAddress(SystemPte);
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/* Build the PTE for the page directory and map it */
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PdePte = ValidKernelPte;
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PdePte.u.Hard.PageFrameNumber = TableBasePfn;
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*SystemPte = PdePte;
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/// architecture specific
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//MiInitializePageDirectoryForProcess(
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/* Copy the kernel mappings and zero out the rest */
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TableIndex = PXE_PER_PAGE / 2;
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RtlZeroMemory(PageTablePointer, TableIndex * sizeof(MMPTE));
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RtlCopyMemory(PageTablePointer + TableIndex,
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MiAddressToPxe(0) + TableIndex,
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PAGE_SIZE - TableIndex * sizeof(MMPTE));
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/* Sanity check */
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ASSERT(MiAddressToPxi(MmHyperSpaceEnd) >= TableIndex);
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/* Setup a PTE for the page directory mappings */
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TempPte = ValidKernelPte;
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/* Update the self mapping of the PML4 */
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TableIndex = MiAddressToPxi((PVOID)PXE_SELFMAP);
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TempPte.u.Hard.PageFrameNumber = TableBasePfn;
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PageTablePointer[TableIndex] = TempPte;
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/* Write the PML4 entry for hyperspace */
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TableIndex = MiAddressToPxi((PVOID)HYPER_SPACE);
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TempPte.u.Hard.PageFrameNumber = HyperPfn;
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PageTablePointer[TableIndex] = TempPte;
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/* Map the hyperspace PDPT to the system PTE */
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PdePte.u.Hard.PageFrameNumber = HyperPfn;
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*SystemPte = PdePte;
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__invlpg(PageTablePointer);
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/* Write the hyperspace entry for the first PD */
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TempPte.u.Hard.PageFrameNumber = HyperPdPfn;
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PageTablePointer[0] = TempPte;
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/* Map the hyperspace PD to the system PTE */
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PdePte.u.Hard.PageFrameNumber = HyperPdPfn;
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*SystemPte = PdePte;
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__invlpg(PageTablePointer);
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/* Write the hyperspace entry for the first PT */
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TempPte.u.Hard.PageFrameNumber = HyperPtPfn;
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PageTablePointer[0] = TempPte;
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/* Map the hyperspace PT to the system PTE */
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PdePte.u.Hard.PageFrameNumber = HyperPtPfn;
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*SystemPte = PdePte;
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__invlpg(PageTablePointer);
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/* Write the hyperspace PTE for the working set list index */
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TempPte.u.Hard.PageFrameNumber = WorkingSetPfn;
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TableIndex = MiAddressToPti(MmWorkingSetList);
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PageTablePointer[TableIndex] = TempPte;
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/// end architecture specific
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/* Release the system PTE */
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MiReleaseSystemPtes(SystemPte, 1, SystemPteSpace);
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/* Switch to phase 1 initialization */
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ASSERT(Process->AddressSpaceInitialized == 0);
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Process->AddressSpaceInitialized = 1;
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/* Add the process to the session */
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MiSessionAddProcess(Process);
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return TRUE;
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}
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/* EOF */
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132
ntoskrnl/mm/amd64/procsup.c
Normal file
132
ntoskrnl/mm/amd64/procsup.c
Normal file
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@ -0,0 +1,132 @@
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/*
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* COPYRIGHT: GPL, See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/mm/amd64/procsup.c
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* PURPOSE: Low level memory managment manipulation
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*
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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* ReactOS Portable Systems Group
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*/
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/* INCLUDES *******************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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#define MODULE_INVOLVED_IN_ARM3
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#include <mm/ARM3/miarm.h>
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BOOLEAN
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MiArchCreateProcessAddressSpace(
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_In_ PEPROCESS Process,
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_In_ PULONG_PTR DirectoryTableBase)
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{
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KIRQL OldIrql;
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PFN_NUMBER TableBasePfn, HyperPfn, HyperPdPfn, HyperPtPfn;
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PMMPTE SystemPte;
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MMPTE TempPte, PdePte;
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ULONG TableIndex;
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PMMPTE PageTablePointer;
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ULONG PageColor;
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/* Non-arch specific code-path allocated those for us */
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TableBasePfn = DirectoryTableBase[0] >> PAGE_SHIFT;
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HyperPfn = DirectoryTableBase[1] >> PAGE_SHIFT;
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/*
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* Lock PFN database. Try getting zero pages.
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* If that doesn't work, we take the slow path
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* outside of the PFN lock.
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*/
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OldIrql = MiAcquirePfnLock();
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PageColor = MI_GET_NEXT_PROCESS_COLOR(Process);
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HyperPdPfn = MiRemoveZeroPageSafe(PageColor);
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if(!HyperPdPfn)
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{
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HyperPdPfn = MiRemoveAnyPage(PageColor);
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MiReleasePfnLock(OldIrql);
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MiZeroPhysicalPage(HyperPdPfn);
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OldIrql = MiAcquirePfnLock();
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}
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PageColor = MI_GET_NEXT_PROCESS_COLOR(Process);
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HyperPtPfn = MiRemoveZeroPageSafe(PageColor);
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if(!HyperPtPfn)
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{
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HyperPtPfn = MiRemoveAnyPage(PageColor);
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MiReleasePfnLock(OldIrql);
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MiZeroPhysicalPage(HyperPtPfn);
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}
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else
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{
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MiReleasePfnLock(OldIrql);
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}
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/* Get a PTE to map the page directory */
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SystemPte = MiReserveSystemPtes(1, SystemPteSpace);
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if (!SystemPte)
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return FALSE;
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/* Get its address */
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PageTablePointer = MiPteToAddress(SystemPte);
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/* Build the PTE for the page directory and map it */
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MI_MAKE_HARDWARE_PTE_KERNEL(&PdePte, SystemPte, MM_READWRITE, TableBasePfn);
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MI_WRITE_VALID_PTE(SystemPte, PdePte);
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/* Copy the kernel mappings and zero out the rest */
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TableIndex = PXE_PER_PAGE / 2;
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RtlZeroMemory(PageTablePointer, TableIndex * sizeof(MMPTE));
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RtlCopyMemory(PageTablePointer + TableIndex,
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MiAddressToPxe(0) + TableIndex,
|
||||
PAGE_SIZE - TableIndex * sizeof(MMPTE));
|
||||
|
||||
/* Sanity check */
|
||||
ASSERT(MiAddressToPxi(MmHyperSpaceEnd) >= TableIndex);
|
||||
|
||||
/* Setup a PTE for the page directory mappings */
|
||||
TempPte = ValidKernelPte;
|
||||
|
||||
/* Update the self mapping of the PML4 */
|
||||
TableIndex = MiAddressToPxi((PVOID)PXE_SELFMAP);
|
||||
TempPte.u.Hard.PageFrameNumber = TableBasePfn;
|
||||
PageTablePointer[TableIndex] = TempPte;
|
||||
|
||||
/* Write the PML4 entry for hyperspace */
|
||||
TableIndex = MiAddressToPxi((PVOID)HYPER_SPACE);
|
||||
TempPte.u.Hard.PageFrameNumber = HyperPfn;
|
||||
PageTablePointer[TableIndex] = TempPte;
|
||||
|
||||
/* Map the hyperspace PDPT to the system PTE */
|
||||
PdePte.u.Hard.PageFrameNumber = HyperPfn;
|
||||
*SystemPte = PdePte;
|
||||
__invlpg(PageTablePointer);
|
||||
|
||||
/* Write the hyperspace entry for the first PD */
|
||||
TempPte.u.Hard.PageFrameNumber = HyperPdPfn;
|
||||
PageTablePointer[0] = TempPte;
|
||||
|
||||
/* Map the hyperspace PD to the system PTE */
|
||||
PdePte.u.Hard.PageFrameNumber = HyperPdPfn;
|
||||
*SystemPte = PdePte;
|
||||
__invlpg(PageTablePointer);
|
||||
|
||||
/* Write the hyperspace entry for the first PT */
|
||||
TempPte.u.Hard.PageFrameNumber = HyperPtPfn;
|
||||
PageTablePointer[0] = TempPte;
|
||||
|
||||
/* Map the hyperspace PT to the system PTE */
|
||||
PdePte.u.Hard.PageFrameNumber = HyperPtPfn;
|
||||
*SystemPte = PdePte;
|
||||
__invlpg(PageTablePointer);
|
||||
|
||||
/* Write the hyperspace PTE for the working set list index */
|
||||
TempPte.u.Hard.PageFrameNumber = Process->WorkingSetPage;
|
||||
TableIndex = MiAddressToPti(MmWorkingSetList);
|
||||
PageTablePointer[TableIndex] = TempPte;
|
||||
|
||||
/* Release the system PTE */
|
||||
MiReleaseSystemPtes(SystemPte, 1, SystemPteSpace);
|
||||
|
||||
return TRUE;
|
||||
}
|
98
ntoskrnl/mm/i386/procsup.c
Normal file
98
ntoskrnl/mm/i386/procsup.c
Normal file
|
@ -0,0 +1,98 @@
|
|||
/*
|
||||
* PROJECT: ReactOS Kernel
|
||||
* LICENSE: BSD-3-Clause (https://spdx.org/licenses/BSD-3-Clause.html)
|
||||
* FILE: ntoskrnl/mm/i386/procsup.c
|
||||
* PURPOSE: Process handling for i386 architecture
|
||||
* PROGRAMMERS: Jérôme Gardou
|
||||
*/
|
||||
|
||||
/* INCLUDES *******************************************************************/
|
||||
|
||||
#include <ntoskrnl.h>
|
||||
#define NDEBUG
|
||||
#include <debug.h>
|
||||
|
||||
#define MODULE_INVOLVED_IN_ARM3
|
||||
#include <mm/ARM3/miarm.h>
|
||||
|
||||
BOOLEAN
|
||||
MiArchCreateProcessAddressSpace(
|
||||
_In_ PEPROCESS Process,
|
||||
_In_ PULONG_PTR DirectoryTableBase)
|
||||
{
|
||||
PFN_NUMBER PdeIndex = DirectoryTableBase[0] >> PAGE_SHIFT;
|
||||
PFN_NUMBER HyperIndex = DirectoryTableBase[1] >> PAGE_SHIFT;
|
||||
PMMPTE PointerPte;
|
||||
MMPTE PdePte, TempPte;
|
||||
PMMPTE PteTable;
|
||||
ULONG PdeOffset;
|
||||
KIRQL OldIrql;
|
||||
|
||||
/* Get a PTE */
|
||||
PointerPte = MiReserveSystemPtes(1, SystemPteSpace);
|
||||
if (!PointerPte)
|
||||
return FALSE;
|
||||
PteTable = MiPteToAddress(PointerPte);
|
||||
|
||||
/* Build a page table for hyper space */
|
||||
MI_MAKE_HARDWARE_PTE_KERNEL(&PdePte,
|
||||
PointerPte,
|
||||
MM_READWRITE,
|
||||
HyperIndex);
|
||||
|
||||
/* Set it dirty and map it */
|
||||
MI_MAKE_DIRTY_PAGE(&PdePte);
|
||||
MI_WRITE_VALID_PTE(PointerPte, PdePte);
|
||||
|
||||
/* Now write the PTE/PDE entry for the working set list index itself */
|
||||
TempPte = ValidKernelPteLocal;
|
||||
TempPte.u.Hard.PageFrameNumber = Process->WorkingSetPage;
|
||||
PdeOffset = MiAddressToPteOffset(MmWorkingSetList);
|
||||
PteTable[PdeOffset] = TempPte;
|
||||
|
||||
/* Now we map the page directory */
|
||||
MI_MAKE_HARDWARE_PTE_KERNEL(&PdePte,
|
||||
PointerPte,
|
||||
MM_READWRITE,
|
||||
PdeIndex);
|
||||
|
||||
/* Set it dirty and map it */
|
||||
MI_MAKE_DIRTY_PAGE(&PdePte);
|
||||
*PointerPte = PdePte;
|
||||
/* We changed the page! */
|
||||
__invlpg(PteTable);
|
||||
|
||||
/* Now get the page directory (which we'll double map, so call it a page table) */
|
||||
PteTable = MiPteToAddress(PointerPte);
|
||||
|
||||
/* Copy all the kernel mappings */
|
||||
PdeOffset = MiGetPdeOffset(MmSystemRangeStart);
|
||||
RtlCopyMemory(&PteTable[PdeOffset],
|
||||
MiAddressToPde(MmSystemRangeStart),
|
||||
PAGE_SIZE - PdeOffset * sizeof(MMPTE));
|
||||
|
||||
/* Now write the PTE/PDE entry for hyperspace itself */
|
||||
TempPte = ValidKernelPteLocal;
|
||||
TempPte.u.Hard.PageFrameNumber = HyperIndex;
|
||||
PdeOffset = MiGetPdeOffset(HYPER_SPACE);
|
||||
PteTable[PdeOffset] = TempPte;
|
||||
|
||||
/* Sanity check */
|
||||
PdeOffset++;
|
||||
ASSERT(MiGetPdeOffset(MmHyperSpaceEnd) >= PdeOffset);
|
||||
|
||||
/* Now do the x86 trick of making the PDE a page table itself */
|
||||
PdeOffset = MiGetPdeOffset(PTE_BASE);
|
||||
TempPte.u.Hard.PageFrameNumber = PdeIndex;
|
||||
PteTable[PdeOffset] = TempPte;
|
||||
|
||||
/* Let go of the system PTE */
|
||||
MiReleaseSystemPtes(PointerPte, 1, SystemPteSpace);
|
||||
|
||||
/* Insert us into the Mm process list */
|
||||
OldIrql = MiAcquireExpansionLock();
|
||||
InsertTailList(&MmProcessList, &Process->MmProcessLinks);
|
||||
MiReleaseExpansionLock(OldIrql);
|
||||
|
||||
return TRUE;
|
||||
}
|
|
@ -314,6 +314,7 @@ if(ARCH STREQUAL "i386")
|
|||
${REACTOS_SOURCE_DIR}/ntoskrnl/ke/i386/usercall.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/ke/i386/v86vdm.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/mm/i386/page.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/mm/i386/procsup.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/mm/ARM3/i386/init.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/ps/i386/psctx.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/ps/i386/psldt.c
|
||||
|
@ -339,6 +340,7 @@ elseif(ARCH STREQUAL "amd64")
|
|||
${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/thrdini.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/init.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/page.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/procsup.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/ps/amd64/psctx.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/stubs.c
|
||||
${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/usercall.c)
|
||||
|
|
Loading…
Reference in a new issue