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- Restart the access fault handler if the return value is STATUS_MM_RESTART_OPERATION.

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svn path=/trunk/; revision=4913
This commit is contained in:
Hartmut Birr 2003-06-16 19:20:28 +00:00
parent 11eb72da00
commit 1d64761f02
1 changed files with 38 additions and 33 deletions
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79
reactos/ntoskrnl/mm/mm.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: mm.c,v 1.61 2003/05/17 19:16:02 ekohl Exp $
/* $Id: mm.c,v 1.62 2003/06/16 19:20:28 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top directory
* PROJECT: ReactOS kernel
@ -119,6 +119,7 @@ NTSTATUS MmReleaseMmInfo(PEPROCESS Process)
BOOLEAN STDCALL MmIsNonPagedSystemAddressValid(PVOID VirtualAddress)
{
UNIMPLEMENTED;
return FALSE;
}
BOOLEAN STDCALL MmIsAddressValid(PVOID VirtualAddress)
@ -197,46 +198,50 @@ NTSTATUS MmAccessFault(KPROCESSOR_MODE Mode,
{
MmLockAddressSpace(AddressSpace);
}
MemoryArea = MmOpenMemoryAreaByAddress(AddressSpace, (PVOID)Address);
if (MemoryArea == NULL)
do
{
DbgPrint("%s:%d\n",__FILE__,__LINE__);
if (!FromMdl)
{
MmUnlockAddressSpace(AddressSpace);
MemoryArea = MmOpenMemoryAreaByAddress(AddressSpace, (PVOID)Address);
if (MemoryArea == NULL)
{
if (!FromMdl)
{
MmUnlockAddressSpace(AddressSpace);
}
return (STATUS_UNSUCCESSFUL);
}
switch (MemoryArea->Type)
{
case MEMORY_AREA_SYSTEM:
Status = STATUS_UNSUCCESSFUL;
break;
case MEMORY_AREA_PAGED_POOL:
Status = STATUS_SUCCESS;
break;
case MEMORY_AREA_SECTION_VIEW:
Status = MmAccessFaultSectionView(AddressSpace,
MemoryArea,
(PVOID)Address,
Locked);
break;
case MEMORY_AREA_VIRTUAL_MEMORY:
Status = STATUS_UNSUCCESSFUL;
break;
case MEMORY_AREA_SHARED_DATA:
Status = STATUS_UNSUCCESSFUL;
break;
default:
Status = STATUS_UNSUCCESSFUL;
break;
}
return(STATUS_UNSUCCESSFUL);
}
while (Status == STATUS_MM_RESTART_OPERATION);
switch (MemoryArea->Type)
{
case MEMORY_AREA_SYSTEM:
Status = STATUS_UNSUCCESSFUL;
break;
case MEMORY_AREA_PAGED_POOL:
Status = STATUS_SUCCESS;
break;
case MEMORY_AREA_SECTION_VIEW:
Status = MmAccessFaultSectionView(AddressSpace,
MemoryArea,
(PVOID)Address,
Locked);
break;
case MEMORY_AREA_VIRTUAL_MEMORY:
Status = STATUS_UNSUCCESSFUL;
break;
case MEMORY_AREA_SHARED_DATA:
Status = STATUS_UNSUCCESSFUL;
break;
default:
Status = STATUS_UNSUCCESSFUL;
break;
}
DPRINT("Completed page fault handling\n");
if (!FromMdl)
{