From 77f8857ddb87c62cceca09e124d799741785395e Mon Sep 17 00:00:00 2001
From: Stanislav Shwartsman <sshwarts@users.sourceforge.net>
Date: Wed, 14 Apr 2010 15:41:57 +0000
Subject: [PATCH] Fixed dbg_linear2phy function for legacy PAE

---
 bochs/cpu/paging.cc | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/bochs/cpu/paging.cc b/bochs/cpu/paging.cc
index acf2fd595..2c9df248b 100644
--- a/bochs/cpu/paging.cc
+++ b/bochs/cpu/paging.cc
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: paging.cc,v 1.218 2010-04-13 17:56:50 sshwarts Exp $
+// $Id: paging.cc,v 1.219 2010-04-14 15:41:57 sshwarts Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001-2010  The Bochs Project
@@ -1384,11 +1384,17 @@ bx_bool BX_CPU_C::dbg_xlate_linear2phy(bx_address laddr, bx_phy_address *phy)
 #if BX_CPU_LEVEL >= 6
   if (BX_CPU_THIS_PTR cr4.get_PAE()) {
     Bit64u offset_mask = BX_CONST64(0x0000ffffffffffff);
+
+    int level = 3;
     if (! long_mode()) {
-      pt_address &= BX_CR3_LEGACY_PAE_PAGING_MASK;
-      offset_mask >>= 9;
+      if (! BX_CPU_THIS_PTR PDPTR_CACHE.valid)
+         goto page_fault;
+      pt_address = BX_CPU_THIS_PTR PDPTR_CACHE.entry[(laddr >> 30) & 3] & BX_CONST64(0x000ffffffffff000);
+      offset_mask >>= 18;
+      level = 1;
     }
-    for (int level = 2 + long_mode(); level >= 0; --level) {
+
+    for (; level >= 0; --level) {
       Bit64u pte;
       pt_address += ((laddr >> (9 + 9*level)) & 0xff8);
       offset_mask >>= 9;