From 0e52616f5f92fc205cf385515cb90fb0268d36a0 Mon Sep 17 00:00:00 2001
From: ReactOS Portable Systems Group <ros-arm-bringup@svn.reactos.org>
Date: Tue, 22 Jul 2008 07:11:33 +0000
Subject: [PATCH] - Implement MmRawDeleteVirtualMapping. - RamdiskUnmapPages
 works now.

svn path=/trunk/; revision=34664
---
 reactos/ntoskrnl/mm/arm/stubs.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/reactos/ntoskrnl/mm/arm/stubs.c b/reactos/ntoskrnl/mm/arm/stubs.c
index ec482c242ff..43104958e6c 100644
--- a/reactos/ntoskrnl/mm/arm/stubs.c
+++ b/reactos/ntoskrnl/mm/arm/stubs.c
@@ -226,10 +226,30 @@ VOID
 NTAPI
 MmRawDeleteVirtualMapping(IN PVOID Address)
 {
+    PMMPTE PointerPte, PointerPde;
+    
     //
-    // TODO
+    // Get the PDE
     //
-    UNIMPLEMENTED;
+    PointerPde = MiGetPdeAddress(Address);
+    if (PointerPde->u.Hard.L1.Fault.Type == FaultPte) return;
+
+    //
+    // Get the PTE
+    //
+    PointerPte = MiGetPteAddress(Address);
+    ASSERT(PointerPte->u.Hard.L2.Small.Type == SmallPte);
+    
+    //
+    // Destroy the PTE
+    //
+    PointerPte->u.Hard.AsUlong = 0;
+    ASSERT(PointerPte->u.Hard.L2.Fault.Type == FaultPte);
+    
+    //
+    // Flush the TLB
+    //
+    KiFlushSingleTb(TRUE, Address);
 }
 
 VOID