[ros-diffs] [fireball] 43640: [ntoskrnl/mm/ARM3] - Rewrite MmPageEntireDriver in a better way, fix bugs.

Author: fireball
Date: Tue Oct 20 11:53:29 2009
New Revision: 43640

URL: http://svn.reactos.org/svn/reactos?rev=43640&view=rev
Log:
[ntoskrnl/mm/ARM3]
- Rewrite MmPageEntireDriver in a better way, fix bugs.

Modified:
    trunk/reactos/ntoskrnl/mm/ARM3/drvmgmt.c

Modified: trunk/reactos/ntoskrnl/mm/ARM3/drvmgmt.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/drvmgmt.c…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/drvmgmt.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/drvmgmt.c [iso-8859-1] Tue Oct 20 11:53:29 2009
@@ -116,32 +116,40 @@
 NTAPI
 MmPageEntireDriver(IN PVOID AddressWithinSection)
 {
+    PAGED_CODE();
     //
     // We should find the driver loader entry and return its base address
     //
-    //PMMPTE Pte;
-    PLDR_DATA_TABLE_ENTRY pLdrDataTabEntry =
MiLookupDataTableEntry(AddressWithinSection);
+    //PMMPTE StartPte, EndPte;
+    PLDR_DATA_TABLE_ENTRY pLdrDataTabEntry =
+        MiLookupDataTableEntry(AddressWithinSection);
     if (pLdrDataTabEntry)
     {
         //
-        //  Is Paging Disabled or Check if we had already mapped it in for this section
-        //
-        if ( (MmDisablePagingExecutive & 1) || pLdrDataTabEntry->SectionPointer )
-        {
+        //  Is Paging disabled or it's mapped as an image
+        //
+        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 );
+
+        //
+        // Get PTE range for this section
+        //
+        //StartPte = MiGetPteAddress(pLdrDataTabEntry->DllBase);
+        //EndPte = MiGetPteAddress(pLdrDataTabEntry->DllBase +
+        //                         pLdrDataTabEntry->SizeOfImage);
+
+        //
+        // Set paging for specified PTE range
+        //
+        //MiSetPagingOfDriver(StartPte, EndPte);
+
+        //
+        // Return base address
         //
         return pLdrDataTabEntry->DllBase;
     }