{
if ((Pt && MmUnmapPageTable(Pt)) || Address >= MmSystemRangeStart)
{
- __invlpg(Address);
+ KeInvalidateTlbEntry(Address);
}
}
return(Attributes);
}
-NTSTATUS
-NTAPI
-Mmi386ReleaseMmInfo(PEPROCESS Process)
-{
- PUSHORT LdtDescriptor;
- ULONG LdtBase;
- PULONG PageDir;
- ULONG i;
-
- DPRINT("Mmi386ReleaseMmInfo(Process %x)\n",Process);
-
- LdtDescriptor = (PUSHORT) &Process->Pcb.LdtDescriptor;
- LdtBase = LdtDescriptor[1] |
- ((LdtDescriptor[2] & 0xff) << 16) |
- ((LdtDescriptor[3] & ~0xff) << 16);
-
- DPRINT("LdtBase: %x\n", LdtBase);
-
- if (LdtBase)
- {
- ExFreePool((PVOID) LdtBase);
- }
-
- PageDir = MmCreateHyperspaceMapping(PTE_TO_PFN(Process->Pcb.DirectoryTableBase[0]));
- for (i = 0; i < ADDR_TO_PDE_OFFSET(MmSystemRangeStart); i++)
- {
- if (PageDir[i] != 0)
- {
- MiZeroPage(PTE_TO_PFN(PageDir[i]));
- MmReleasePageMemoryConsumer(MC_NPPOOL, PTE_TO_PFN(PageDir[i]));
- }
- }
- MmReleasePageMemoryConsumer(MC_NPPOOL, PTE_TO_PFN(PageDir[ADDR_TO_PDE_OFFSET(HYPERSPACE)]));
- MmDeleteHyperspaceMapping(PageDir);
- MmReleasePageMemoryConsumer(MC_NPPOOL, PTE_TO_PFN(Process->Pcb.DirectoryTableBase[0]));
-
- Process->Pcb.DirectoryTableBase[0] = 0;
- Process->Pcb.DirectoryTableBase[1] = 0;
-
- DPRINT("Finished Mmi386ReleaseMmInfo()\n");
- return(STATUS_SUCCESS);
-}
-
-NTSTATUS
-NTAPI
-MmInitializeHandBuiltProcess(IN PEPROCESS Process,
- IN PULONG DirectoryTableBase)
-{
- /* Share the directory base with the idle process */
- DirectoryTableBase[0] = PsGetCurrentProcess()->Pcb.DirectoryTableBase[0];
- DirectoryTableBase[1] = PsGetCurrentProcess()->Pcb.DirectoryTableBase[1];
-
- /* Initialize the Addresss Space */
- KeInitializeGuardedMutex(&Process->AddressCreationLock);
- Process->Vm.WorkingSetExpansionLinks.Flink = NULL;
- ASSERT(Process->VadRoot.NumberGenericTableElements == 0);
- Process->VadRoot.BalancedRoot.u1.Parent = &Process->VadRoot.BalancedRoot;
-
- /* The process now has an address space */
- Process->HasAddressSpace = TRUE;
- return STATUS_SUCCESS;
-}
-
-BOOLEAN
-NTAPI
-MmCreateProcessAddressSpace(IN ULONG MinWs,
- IN PEPROCESS Process,
- IN PULONG DirectoryTableBase)
-{
- NTSTATUS Status;
- ULONG i, j;
- PFN_TYPE Pfn[2];
- PULONG PageDirectory;
-
- DPRINT("MmCopyMmInfo(Src %x, Dest %x)\n", MinWs, Process);
-
- for (i = 0; i < 2; i++)
- {
- Status = MmRequestPageMemoryConsumer(MC_NPPOOL, FALSE, &Pfn[i]);
- if (!NT_SUCCESS(Status))
- {
- for (j = 0; j < i; j++)
- {
- MmReleasePageMemoryConsumer(MC_NPPOOL, Pfn[j]);
- }
-
- return FALSE;
- }
- }
-
- PageDirectory = MmCreateHyperspaceMapping(Pfn[0]);
-
- memcpy(PageDirectory + ADDR_TO_PDE_OFFSET(MmSystemRangeStart),
- MmGlobalKernelPageDirectory + ADDR_TO_PDE_OFFSET(MmSystemRangeStart),
- (1024 - ADDR_TO_PDE_OFFSET(MmSystemRangeStart)) * sizeof(ULONG));
-
- DPRINT("Addr %x\n",ADDR_TO_PDE_OFFSET(PAGETABLE_MAP));
- PageDirectory[ADDR_TO_PDE_OFFSET(PAGETABLE_MAP)] = PFN_TO_PTE(Pfn[0]) | PA_PRESENT | PA_READWRITE;
- PageDirectory[ADDR_TO_PDE_OFFSET(HYPERSPACE)] = PFN_TO_PTE(Pfn[1]) | PA_PRESENT | PA_READWRITE;
-
- MmDeleteHyperspaceMapping(PageDirectory);
-
- DirectoryTableBase[0] = PFN_TO_PTE(Pfn[0]);
- DirectoryTableBase[1] = 0;
- DPRINT("Finished MmCopyMmInfo(): 0x%x\n", DirectoryTableBase[0]);
- return TRUE;
-}
-
static PULONG
MmGetPageTableForProcess(PEPROCESS Process, PVOID Address, BOOLEAN Create)
{
ULONG PdeOffset = ADDR_TO_PDE_OFFSET(Address);
NTSTATUS Status;
- PFN_TYPE Pfn;
+ PFN_NUMBER Pfn;
ULONG Entry;
PULONG Pt, PageDir;
KeBugCheck(MEMORY_MANAGEMENT);
}
Entry = PFN_TO_PTE(Pfn) | PA_PRESENT | PA_READWRITE;
- if (Ke386GlobalPagesEnabled)
- {
- Entry |= PA_GLOBAL;
- }
if(0 != InterlockedCompareExchangePte(&MmGlobalKernelPageDirectory[PdeOffset], Entry, 0))
{
MmReleasePageMemoryConsumer(MC_SYSTEM, Pfn);
return 0;
}
-PFN_TYPE
+PFN_NUMBER
NTAPI
MmGetPfnForProcess(PEPROCESS Process,
PVOID Address)
VOID
NTAPI
-MmDisableVirtualMapping(PEPROCESS Process, PVOID Address, BOOLEAN* WasDirty, PPFN_TYPE Page)
+MmDisableVirtualMapping(PEPROCESS Process, PVOID Address, BOOLEAN* WasDirty, PPFN_NUMBER Page)
/*
* FUNCTION: Delete a virtual mapping
*/
VOID
NTAPI
MmDeleteVirtualMapping(PEPROCESS Process, PVOID Address, BOOLEAN FreePage,
- BOOLEAN* WasDirty, PPFN_TYPE Page)
+ BOOLEAN* WasDirty, PPFN_NUMBER Page)
/*
* FUNCTION: Delete a virtual mapping
*/
{
BOOLEAN WasValid = FALSE;
- PFN_TYPE Pfn;
+ PFN_NUMBER Pfn;
ULONG Pte;
PULONG Pt;
MmCreateVirtualMappingUnsafe(PEPROCESS Process,
PVOID Address,
ULONG flProtect,
- PPFN_TYPE Pages,
+ PPFN_NUMBER Pages,
ULONG PageCount)
{
ULONG Attributes;
if (Address >= MmSystemRangeStart)
{
Attributes &= ~PA_USER;
- if (Ke386GlobalPagesEnabled)
- {
- Attributes |= PA_GLOBAL;
- }
}
else
{
MmCreateVirtualMapping(PEPROCESS Process,
PVOID Address,
ULONG flProtect,
- PPFN_TYPE Pages,
+ PPFN_NUMBER Pages,
ULONG PageCount)
{
ULONG i;
if (Address >= MmSystemRangeStart)
{
Attributes &= ~PA_USER;
- if (Ke386GlobalPagesEnabled)
- {
- Attributes |= PA_GLOBAL;
- }
}
else
{
}
}
-extern MMPTE HyperTemplatePte;
-
VOID
INIT_FUNCTION
NTAPI
DPRINT("MmInitGlobalKernelPageDirectory()\n");
- //
- // Setup template
- //
- HyperTemplatePte.u.Long = (PA_PRESENT | PA_READWRITE | PA_DIRTY | PA_ACCESSED);
- if (Ke386GlobalPagesEnabled) HyperTemplatePte.u.Long |= PA_GLOBAL;
-
for (i = ADDR_TO_PDE_OFFSET(MmSystemRangeStart); i < 1024; i++)
{
if (i != ADDR_TO_PDE_OFFSET(PAGETABLE_MAP) &&
0 == MmGlobalKernelPageDirectory[i] && 0 != CurrentPageDirectory[i])
{
MmGlobalKernelPageDirectory[i] = CurrentPageDirectory[i];
- if (Ke386GlobalPagesEnabled)
- {
- MmGlobalKernelPageDirectory[i] |= PA_GLOBAL;
- CurrentPageDirectory[i] |= PA_GLOBAL;
- }
}
}
}
-VOID
-INIT_FUNCTION
-NTAPI
-MiInitPageDirectoryMap(VOID)
-{
- MEMORY_AREA* kernel_map_desc = NULL;
- MEMORY_AREA* hyperspace_desc = NULL;
- PHYSICAL_ADDRESS BoundaryAddressMultiple;
- PVOID BaseAddress;
- NTSTATUS Status;
-
- DPRINT("MiInitPageDirectoryMap()\n");
-
- BoundaryAddressMultiple.QuadPart = 0;
- BaseAddress = (PVOID)PAGETABLE_MAP;
- Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
- MEMORY_AREA_SYSTEM | MEMORY_AREA_STATIC,
- &BaseAddress,
- 0x400000,
- PAGE_READWRITE,
- &kernel_map_desc,
- TRUE,
- 0,
- BoundaryAddressMultiple);
- if (!NT_SUCCESS(Status))
- {
- KeBugCheck(MEMORY_MANAGEMENT);
- }
- BaseAddress = (PVOID)HYPERSPACE;
- Status = MmCreateMemoryArea(MmGetKernelAddressSpace(),
- MEMORY_AREA_SYSTEM | MEMORY_AREA_STATIC,
- &BaseAddress,
- 0x400000,
- PAGE_READWRITE,
- &hyperspace_desc,
- TRUE,
- 0,
- BoundaryAddressMultiple);
- if (!NT_SUCCESS(Status))
- {
- KeBugCheck(MEMORY_MANAGEMENT);
- }
-}
-
/* EOF */
projects / reactos.git / blobdiff