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authorGabe Black <gblack@eecs.umich.edu>2006-11-08 00:32:40 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-11-08 00:32:40 -0500
commit16a012e80da8beb2e147bf62ed0d054ed1c0d600 (patch)
treedc2a475e62232cf5772f3f81fd6979cb11076a4e /src/arch
parent746ceb93fdb13f74ea2e18f980d122f8bfb5cd0a (diff)
downloadgem5-16a012e80da8beb2e147bf62ed0d054ed1c0d600.tar.xz
Stubs for SPARC's tlbs
--HG-- extra : convert_revision : ba08da78693cc6f59f7358134f121f471910dbf6
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/sparc/tlb.cc79
-rw-r--r--src/arch/sparc/tlb.hh16
2 files changed, 94 insertions, 1 deletions
diff --git a/src/arch/sparc/tlb.cc b/src/arch/sparc/tlb.cc
new file mode 100644
index 000000000..0b1a2ff5f
--- /dev/null
+++ b/src/arch/sparc/tlb.cc
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * 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: Nathan Binkert
+ * Steve Reinhardt
+ * Andrew Schultz
+ */
+
+#include "arch/sparc/tlb.hh"
+#include "sim/builder.hh"
+
+namespace SparcISA
+{
+ DEFINE_SIM_OBJECT_CLASS_NAME("SparcTLB", TLB)
+
+ BEGIN_DECLARE_SIM_OBJECT_PARAMS(ITB)
+
+ Param<int> size;
+
+ END_DECLARE_SIM_OBJECT_PARAMS(ITB)
+
+ BEGIN_INIT_SIM_OBJECT_PARAMS(ITB)
+
+ INIT_PARAM_DFLT(size, "TLB size", 48)
+
+ END_INIT_SIM_OBJECT_PARAMS(ITB)
+
+
+ CREATE_SIM_OBJECT(ITB)
+ {
+ return new ITB(getInstanceName(), size);
+ }
+
+ REGISTER_SIM_OBJECT("SparcITB", ITB)
+
+ BEGIN_DECLARE_SIM_OBJECT_PARAMS(DTB)
+
+ Param<int> size;
+
+ END_DECLARE_SIM_OBJECT_PARAMS(DTB)
+
+ BEGIN_INIT_SIM_OBJECT_PARAMS(DTB)
+
+ INIT_PARAM_DFLT(size, "TLB size", 64)
+
+ END_INIT_SIM_OBJECT_PARAMS(DTB)
+
+
+ CREATE_SIM_OBJECT(DTB)
+ {
+ return new DTB(getInstanceName(), size);
+ }
+
+ REGISTER_SIM_OBJECT("SparcDTB", DTB)
+}
diff --git a/src/arch/sparc/tlb.hh b/src/arch/sparc/tlb.hh
index 0d42e2c97..0fdba6baf 100644
--- a/src/arch/sparc/tlb.hh
+++ b/src/arch/sparc/tlb.hh
@@ -31,19 +31,29 @@
#ifndef __ARCH_SPARC_TLB_HH__
#define __ARCH_SPARC_TLB_HH__
+#include "mem/request.hh"
#include "sim/faults.hh"
+#include "sim/sim_object.hh"
class ThreadContext;
namespace SparcISA
{
- class TLB
+ class TLB : public SimObject
{
+ public:
+ TLB(const std::string &name, int size) : SimObject(name)
+ {
+ }
};
class ITB : public TLB
{
public:
+ ITB(const std::string &name, int size) : TLB(name, size)
+ {
+ }
+
Fault translate(RequestPtr &req, ThreadContext *tc) const
{
return NoFault;
@@ -53,6 +63,10 @@ namespace SparcISA
class DTB : public TLB
{
public:
+ DTB(const std::string &name, int size) : TLB(name, size)
+ {
+ }
+
Fault translate(RequestPtr &req, ThreadContext *tc, bool write) const
{
return NoFault;