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- Add more information for support with function MmPageEntireDriver. Not sure where to place the function since it uses numbers for IX86/AMD and not ARM. Enable MmDisablePagingExecutive without the register entry to support it.

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svn path=/trunk/; revision=43633
This commit is contained in:
James Tabor 2009-10-19 23:04:50 +00:00
parent 3fcf38a55e
commit 15f63b0f9d
4 changed files with 31 additions and 2 deletions
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2
reactos/ntoskrnl/config/cmdata.c
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@ -387,7 +387,7 @@ CM_SYSTEM_CONTROL_VECTOR CmControlVector[] =
{
L"Session Manager\\Memory Management",
L"DisablePagingExecutive",
&DummyData,
&MmDisablePagingExecutive,
NULL,
NULL
},

1
reactos/ntoskrnl/include/internal/mm.h
View file

@ -14,6 +14,7 @@ extern ULONG MmTotalPagedPoolQuota;
extern ULONG MmTotalNonPagedPoolQuota;
extern PHYSICAL_ADDRESS MmSharedDataPagePhysicalAddress;
extern ULONG MmNumberOfPhysicalPages;
extern UCHAR MmDisablePagingExecutive;
extern ULONG MmLowestPhysicalPage;
extern ULONG MmHighestPhysicalPage;
extern ULONG MmAvailablePages;

26
reactos/ntoskrnl/mm/ARM3/drvmgmt.c
View file

@ -119,8 +119,32 @@ MmPageEntireDriver(IN PVOID AddressWithinSection)
//
// We should find the driver loader entry and return its base address
//
//PMMPTE Pte;
PLDR_DATA_TABLE_ENTRY pLdrDataTabEntry = MiLookupDataTableEntry(AddressWithinSection);
if (pLdrDataTabEntry) return pLdrDataTabEntry->DllBase;
if (pLdrDataTabEntry)
{
//
// Is Paging Disabled or Check if we had already mapped it in for this section
//
if ( (MmDisablePagingExecutive & 1) || pLdrDataTabEntry->SectionPointer )
{
return pLdrDataTabEntry->DllBase;
}
//
// Flush all queued DPCs.
//
KeFlushQueuedDpcs();
//
// Get the PTE for this section
//
//Pte = MiGetPteAddress(pLdrDataTabEntry->DllBase);
//
//MiSetPagingOfDriver( (Pte & (4,194,304 - 4) ) - 0x40000000 ,
// (Pte & (4,194,304 - 4) ) - 0x40000000 + 4 *
// pLdrDataTabEntry->SizeOfImage >> PAGE_SHIFT - 4 );
//
return pLdrDataTabEntry->DllBase;
}
return NULL;
}

4
reactos/ntoskrnl/mm/mminit.c
View file

@ -50,6 +50,10 @@ MemType[] =
PBOOLEAN Mm64BitPhysicalAddress = FALSE;
ULONG MmReadClusterSize;
//
// 0 | 1 is on/off paging, 2 is undocumented
//
UCHAR MmDisablePagingExecutive = 1; // Forced to off
PMMPTE MmSharedUserDataPte;
PMMSUPPORT MmKernelAddressSpace;
extern KMUTANT MmSystemLoadLock;