[ros-diffs] [ros-arm-bringup] 41576: - So it turns out bad things can happen if you play behind Mm's back. - The lovely poetry is brought to you by 7AM coding marathons...

[ros-arm-bringup at svn.reactos.org]

Author: ros-arm-bringup
Date: Tue Jun 23 13:11:01 2009
New Revision: 41576

URL: http://svn.reactos.org/svn/reactos?rev=41576&view=rev
Log:
- So it turns out bad things can happen if you play behind Mm's back.
- The lovely poetry is brought to you by 7AM coding marathons...


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

Modified: trunk/reactos/ntoskrnl/mm/ARM3/init.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/init.c?rev=41576&r1=41575&r2=41576&view=diff
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/init.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/init.c [iso-8859-1] Tue Jun 23 13:11:01 2009
@@ -103,6 +103,29 @@
 ULONG MmNumberOfSystemPtes;
 
 /* PRIVATE FUNCTIONS **********************************************************/
+
+//
+// In Bavaria, this is probably a hate crime
+//
+VOID
+FASTCALL
+MiSyncARM3WithROS(IN PVOID AddressStart,
+                  IN PVOID AddressEnd)
+{
+    //
+    // Puerile piece of junk-grade carbonized horseshit puss sold to the lowest bidder
+    //
+    ULONG Pde = ADDR_TO_PDE_OFFSET(AddressStart);
+    while (Pde < ADDR_TO_PDE_OFFSET(AddressEnd))
+    {
+        //
+        // This both odious and heinous
+        //
+        extern PULONG MmGlobalKernelPageDirectory;
+        MmGlobalKernelPageDirectory[Pde] = ((PULONG)PAGEDIRECTORY_MAP)[Pde];
+        Pde++;
+    }
+}
 
 NTSTATUS
 NTAPI
@@ -490,6 +513,13 @@
         // Set the counter to maximum to boot with
         //
         MiFirstReservedZeroingPte->u.Hard.PageFrameNumber = MI_ZERO_PTES - 1;
+        
+        //
+        // Sync us up with ReactOS Mm
+        //
+        MiSyncARM3WithROS(MmNonPagedSystemStart, (PVOID)((ULONG_PTR)MmNonPagedPoolEnd - 1));
+        MiSyncARM3WithROS(MmNonPagedPoolStart, (PVOID)((ULONG_PTR)MmNonPagedPoolStart + MmSizeOfNonPagedPoolInBytes - 1));
+        MiSyncARM3WithROS((PVOID)HYPER_SPACE, (PVOID)(HYPER_SPACE + PAGE_SIZE - 1));
     }
     
     //