diff --git a/bochs/config.h.in b/bochs/config.h.in
index dff58feca..833324c65 100644
--- a/bochs/config.h.in
+++ b/bochs/config.h.in
@@ -618,6 +618,8 @@ typedef
 
 #define BX_SUPPORT_FPU 0
 #define BX_SUPPORT_MMX 0
+#define BX_SUPPORT_SSE  0
+#define BX_SUPPORT_SSE2 0
 #define BX_SUPPORT_4MEG_PAGES 0
 #define BX_SupportGuest2HostTLB 0
 #define BX_SupportRepeatSpeedups 0
@@ -661,7 +663,13 @@ typedef
 #endif
 
 #if (BX_SUPPORT_MMX && !BX_SUPPORT_FPU)
-#error "MMX cannot be compiled without FPU support";
+#error "MMX cannot be compiled without FPU support"
+#endif
+
+#if (BX_SUPPORT_SSE || BX_SUPPORT_SSE2)
+#if (!BX_SUPPORT_FPU) || (!BX_SUPPORT_MMX)
+#error "SSE cannot be compiled without FPU+MMX support"
+#endif
 #endif
 
 #if BX_SUPPORT_X86_64
diff --git a/bochs/configure b/bochs/configure
index 704fb2e93..2103171f6 100755
--- a/bochs/configure
+++ b/bochs/configure
@@ -878,6 +878,7 @@ Optional Features:
   --enable-vbe                      use VESA BIOS extensions
   --enable-mmx                      compile in MMX emulation
   --enable-fpu                      compile in FPU emulation
+  --enable-sse                      =1 (SSE) =2 (SSE2) support
   --enable-x86-debugger             x86 debugger support
   --enable-cdrom                    CDROM support
   --enable-sb16=xxx                 Sound Blaster 16 Support (xxx=dummy|win|linux|freebsd)
@@ -10361,7 +10362,70 @@ fi;
 
 
 
+support_sse=0
+echo "$as_me:$LINENO: checking for SSE support" >&5
+echo $ECHO_N "checking for SSE support... $ECHO_C" >&6
+# Check whether --enable-sse or --disable-sse was given.
+if test "${enable_sse+set}" = set; then
+  enableval="$enable_sse"
+  case "$enableval" in
+    no | 0)
+      support_sse=0
+      echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+      ;;
+    yes | 1)
+      support_sse=1
+      echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+      ;;
+    2)
+      support_sse=2
+      echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+      ;;
+    *)
+      echo "ERROR: --enable-sse=$enableval not understood"
+      exit 1
+      ;;
+   esac
 
+else
+
+    echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+
+
+fi;
+
+if test "$support_sse" = 2; then
+  cat >>confdefs.h <<\_ACEOF
+#define BX_SUPPORT_SSE 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define BX_SUPPORT_SSE2 1
+_ACEOF
+
+elif test "$support_sse" = 1; then
+  cat >>confdefs.h <<\_ACEOF
+#define BX_SUPPORT_SSE 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define BX_SUPPORT_SSE2 0
+_ACEOF
+
+else
+  cat >>confdefs.h <<\_ACEOF
+#define BX_SUPPORT_SSE 0
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define BX_SUPPORT_SSE2 0
+_ACEOF
+
+fi
 
 echo "$as_me:$LINENO: checking for x86 debugger support" >&5
 echo $ECHO_N "checking for x86 debugger support... $ECHO_C" >&6
diff --git a/bochs/configure.in b/bochs/configure.in
index 555b6d683..ed31a15c1 100644
--- a/bochs/configure.in
+++ b/bochs/configure.in
@@ -2,7 +2,7 @@ dnl // Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.50)
 AC_INIT(bochs.h)
-AC_REVISION([[$Id: configure.in,v 1.148 2002-10-05 12:07:51 bdenney Exp $]])
+AC_REVISION([[$Id: configure.in,v 1.149 2002-10-11 01:11:10 kevinlawton Exp $]])
 AC_CONFIG_HEADER(config.h)
 
 dnl // Put Bochs version information right here so that it gets substituted
@@ -1126,7 +1126,44 @@ AC_ARG_ENABLE(fpu,
 AC_SUBST(FPU_VAR)
 AC_SUBST(FPU_GLUE_OBJ)
 
+support_sse=0
+AC_MSG_CHECKING(for SSE support)
+AC_ARG_ENABLE(sse,
+  [  --enable-sse                      =1 (SSE) =2 (SSE2) support],
+  [case "$enableval" in
+    no | 0)
+      support_sse=0
+      AC_MSG_RESULT(no)
+      ;;
+    yes | 1)
+      support_sse=1
+      AC_MSG_RESULT(yes)
+      ;;
+    2)
+      support_sse=2
+      AC_MSG_RESULT(yes)
+      ;;
+    *)
+      echo "ERROR: --enable-sse=$enableval not understood"
+      exit 1
+      ;;
+   esac
+   ],
+  [
+    AC_MSG_RESULT(no)
+  ]
+  )
 
+if test "$support_sse" = 2; then
+  AC_DEFINE(BX_SUPPORT_SSE,  1)
+  AC_DEFINE(BX_SUPPORT_SSE2, 1)
+elif test "$support_sse" = 1; then
+  AC_DEFINE(BX_SUPPORT_SSE,  1)
+  AC_DEFINE(BX_SUPPORT_SSE2, 0)
+else
+  AC_DEFINE(BX_SUPPORT_SSE,  0)
+  AC_DEFINE(BX_SUPPORT_SSE2, 0)
+fi
 
 AC_MSG_CHECKING(for x86 debugger support)
 AC_ARG_ENABLE(x86-debugger,
diff --git a/bochs/cpu/access.cc b/bochs/cpu/access.cc
index e9e85e991..b7533986e 100644
--- a/bochs/cpu/access.cc
+++ b/bochs/cpu/access.cc
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: access.cc,v 1.30 2002-09-28 00:54:04 kevinlawton Exp $
+// $Id: access.cc,v 1.31 2002-10-11 01:11:11 kevinlawton Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001  MandrakeSoft S.A.
@@ -1156,3 +1156,29 @@ accessOK:
   write_virtual_checks(seg, offset, 8);
   goto accessOK;
 }
+
+
+#if BX_SUPPORT_SSE
+
+  void
+BX_CPU_C::readVirtualDQword(unsigned s, bx_address offset, Bit8u *data)
+{
+}
+
+  void
+BX_CPU_C::readVirtualDQwordAligned(unsigned s, bx_address offset, Bit8u *data)
+{
+}
+
+  void
+BX_CPU_C::writeVirtualDQword(unsigned s, bx_address offset, Bit8u *data)
+{
+}
+
+
+  void
+BX_CPU_C::writeVirtualDQwordAligned(unsigned s, bx_address offset, Bit8u *data)
+{
+}
+
+#endif  // #if BX_SUPPORT_SSE
diff --git a/bochs/cpu/cpu.h b/bochs/cpu/cpu.h
index 47eb095a2..081f09173 100644
--- a/bochs/cpu/cpu.h
+++ b/bochs/cpu/cpu.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: cpu.h,v 1.101 2002-10-08 14:43:18 ptrumpet Exp $
+// $Id: cpu.h,v 1.102 2002-10-11 01:11:11 kevinlawton Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001  MandrakeSoft S.A.
@@ -2507,6 +2507,14 @@ union {
 #define Write_RMW_virtual_dword(val32) write_RMW_virtual_dword(val32)
 #define Write_RMW_virtual_qword(val32) write_RMW_virtual_qword(val32)
 
+#if BX_SUPPORT_SSE
+  BX_SMF void readVirtualDQword(unsigned s, bx_address off, Bit8u *data);
+  BX_SMF void readVirtualDQwordAligned(unsigned s, bx_address off, Bit8u *data);
+  BX_SMF void writeVirtualDQword(unsigned s, bx_address off, Bit8u *data);
+  BX_SMF void writeVirtualDQwordAligned(unsigned s, bx_address off, Bit8u *data);
+#endif
+
+
   BX_SMF void access_linear(bx_address address, unsigned length, unsigned pl,
                      unsigned rw, void *data);
   BX_SMF Bit32u itranslate_linear(bx_address laddr, unsigned pl);
diff --git a/bochs/cpu/protect_ctrl.cc b/bochs/cpu/protect_ctrl.cc
index 02ddfb11a..3cc72cc0f 100644
--- a/bochs/cpu/protect_ctrl.cc
+++ b/bochs/cpu/protect_ctrl.cc
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: protect_ctrl.cc,v 1.17 2002-10-08 14:43:18 ptrumpet Exp $
+// $Id: protect_ctrl.cc,v 1.18 2002-10-11 01:11:11 kevinlawton Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001  MandrakeSoft S.A.
@@ -459,7 +459,10 @@ BX_CPU_C::LTR_Ew(bxInstruction_c *i)
     bx_descriptor_t  descriptor;
     bx_selector_t    selector;
     Bit16u raw_selector;
-    Bit32u dword1, dword2, dword3;
+    Bit32u dword1, dword2;
+#if BX_SUPPORT_X86_64
+    Bit32u dword3;
+#endif
 
 
     /* #GP(0) if the current privilege level is not 0 */