Adding gem5 source to svn.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
2012-10-24 19:18:57 +00:00
parent f7ff71bd46
commit b41eec3f65
3222 changed files with 658579 additions and 1 deletions
--- a/simulators/gem5/src/sim/faults.hh
+++ b/simulators/gem5/src/sim/faults.hh
@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2003-2005 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
+ *          Gabe Black
+ */
+
+#ifndef __FAULTS_HH__
+#define __FAULTS_HH__
+
+#include "base/refcnt.hh"
+#include "base/types.hh"
+#include "cpu/static_inst.hh"
+#include "sim/fault_fwd.hh"
+#include "sim/stats.hh"
+
+class ThreadContext;
+
+typedef const char * FaultName;
+typedef Stats::Scalar FaultStat;
+
+// Each class has it's name statically define in _name,
+// and has a virtual function to access it's name.
+// The function is necessary because otherwise, all objects
+// which are being accessed cast as a FaultBase * (namely
+// all faults returned using the Fault type) will use the
+// generic FaultBase name.
+
+class FaultBase : public RefCounted
+{
+  public:
+    virtual FaultName name() const = 0;
+    virtual void invoke(ThreadContext * tc,
+            StaticInstPtr inst = StaticInst::nullStaticInstPtr);
+};
+
+class UnimpFault : public FaultBase
+{
+  private:
+    std::string panicStr;
+  public:
+    UnimpFault(std::string _str)
+        : panicStr(_str)
+    { }
+
+    FaultName name() const {return "Unimplemented simulator feature";}
+    void invoke(ThreadContext * tc,
+            StaticInstPtr inst = StaticInst::nullStaticInstPtr);
+};
+
+class ReExec : public FaultBase
+{
+  public:
+    virtual FaultName name() const { return "Re-execution fault";}
+    ReExec() {}
+    void invoke(ThreadContext *tc,
+            StaticInstPtr inst = StaticInst::nullStaticInstPtr);
+};
+
+class GenericPageTableFault : public FaultBase
+{
+  private:
+    Addr vaddr;
+  public:
+    FaultName name() const {return "Generic page table fault";}
+    GenericPageTableFault(Addr va) : vaddr(va) {}
+    void invoke(ThreadContext * tc,
+            StaticInstPtr inst = StaticInst::nullStaticInstPtr);
+};
+
+class GenericAlignmentFault : public FaultBase
+{
+  private:
+    Addr vaddr;
+  public:
+    FaultName name() const {return "Generic alignment fault";}
+    GenericAlignmentFault(Addr va) : vaddr(va) {}
+    void invoke(ThreadContext * tc,
+            StaticInstPtr inst = StaticInst::nullStaticInstPtr);
+};
+
+#endif // __FAULTS_HH__