From 8c5dfa453296c5a87a46c409f68e0ef50ebfceb6 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Fri, 10 Oct 2008 23:47:42 -0700
Subject: TLB: Make all tlbs derive from a common base class in both python and
 C++.

---
 src/arch/alpha/AlphaTLB.py |  5 ++++-
 src/arch/mips/MipsTLB.py   |  4 +++-
 src/arch/sparc/SparcTLB.py |  5 ++++-
 src/arch/x86/X86TLB.py     |  4 ++--
 src/sim/BaseTLB.py         | 33 +++++++++++++++++++++++++++++++++
 src/sim/SConscript         |  1 +
 6 files changed, 47 insertions(+), 5 deletions(-)
 create mode 100644 src/sim/BaseTLB.py

diff --git a/src/arch/alpha/AlphaTLB.py b/src/arch/alpha/AlphaTLB.py
index 7cfb549f3..099327470 100644
--- a/src/arch/alpha/AlphaTLB.py
+++ b/src/arch/alpha/AlphaTLB.py
@@ -28,7 +28,10 @@
 
 from m5.SimObject import SimObject
 from m5.params import *
-class AlphaTLB(SimObject):
+
+from BaseTLB import BaseTLB
+
+class AlphaTLB(BaseTLB):
     type = 'AlphaTLB'
     abstract = True
     size = Param.Int("TLB size")
diff --git a/src/arch/mips/MipsTLB.py b/src/arch/mips/MipsTLB.py
index 0054acae5..41d46c572 100644
--- a/src/arch/mips/MipsTLB.py
+++ b/src/arch/mips/MipsTLB.py
@@ -32,7 +32,9 @@
 from m5.SimObject import SimObject
 from m5.params import *
 
-class MipsTLB(SimObject):
+from BaseTLB import BaseTLB
+
+class MipsTLB(BaseTLB):
     type = 'MipsTLB'
     abstract = True
     size = Param.Int("TLB size")
diff --git a/src/arch/sparc/SparcTLB.py b/src/arch/sparc/SparcTLB.py
index 20672a24e..6758d612a 100644
--- a/src/arch/sparc/SparcTLB.py
+++ b/src/arch/sparc/SparcTLB.py
@@ -28,7 +28,10 @@
 
 from m5.SimObject import SimObject
 from m5.params import *
-class SparcTLB(SimObject):
+
+from BaseTLB import BaseTLB
+
+class SparcTLB(BaseTLB):
     type = 'SparcTLB'
     abstract = True
     size = Param.Int("TLB size")
diff --git a/src/arch/x86/X86TLB.py b/src/arch/x86/X86TLB.py
index c20566efb..d5ae95372 100644
--- a/src/arch/x86/X86TLB.py
+++ b/src/arch/x86/X86TLB.py
@@ -54,10 +54,10 @@
 # Authors: Gabe Black
 
 from MemObject import MemObject
-from m5.SimObject import SimObject
 from m5.params import *
 from m5.proxy import *
 from m5 import build_env
+from BaseTLB import BaseTLB
 
 if build_env['FULL_SYSTEM']:
     class X86PagetableWalker(MemObject):
@@ -66,7 +66,7 @@ if build_env['FULL_SYSTEM']:
         port = Port("Port for the hardware table walker")
         system = Param.System(Parent.any, "system object")
 
-class X86TLB(SimObject):
+class X86TLB(BaseTLB):
     type = 'X86TLB'
     abstract = True
     size = Param.Int("TLB size")
diff --git a/src/sim/BaseTLB.py b/src/sim/BaseTLB.py
new file mode 100644
index 000000000..9aca4a97c
--- /dev/null
+++ b/src/sim/BaseTLB.py
@@ -0,0 +1,33 @@
+# Copyright (c) 2008 The Hewlett-Packard Development Company
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Gabe Black
+
+from m5.SimObject import SimObject
+
+class BaseTLB(SimObject):
+    type = 'BaseTLB'
+    abstract = True
diff --git a/src/sim/SConscript b/src/sim/SConscript
index 3e6adb85a..7acf4e9b6 100644
--- a/src/sim/SConscript
+++ b/src/sim/SConscript
@@ -30,6 +30,7 @@
 
 Import('*')
 
+SimObject('BaseTLB.py')
 SimObject('Root.py')
 SimObject('System.py')
 SimObject('InstTracer.py')
-- 
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