cpu: Remove Ozone CPU from the source tree

The Ozone CPU is now very much out of date and completely
non-functional, with no one actively working on restoring it. It is a
source of confusion for new users who attempt to use it before
realizing its current state. RIP

1 files changed, 0 insertions, 152 deletions

diff --git a/src/cpu/ozone/thread_state.hh b/src/cpu/ozone/thread_state.hh
deleted file mode 100644
index 0c03155b8..000000000
--- a/src/cpu/ozone/thread_state.hh
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2006 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: Kevin Lim
- */
-
-#ifndef __CPU_OZONE_THREAD_STATE_HH__
-#define __CPU_OZONE_THREAD_STATE_HH__
-
-#include "arch/regfile.hh"
-#include "arch/types.hh"
-#include "base/callback.hh"
-#include "base/output.hh"
-#include "config/the_isa.hh"
-#include "cpu/thread_context.hh"
-#include "cpu/thread_state.hh"
-#include "sim/faults.hh"
-#include "sim/process.hh"
-#include "sim/sim_exit.hh"
-
-class Event;
-//class Process;
-
-class EndQuiesceEvent;
-class FunctionalMemory;
-class FunctionProfile;
-class Process;
-class ProfileNode;
-
-// Maybe this ozone thread state should only really have committed state?
-// I need to think about why I'm using this and what it's useful for.  Clearly
-// has benefits for SMT; basically serves same use as SimpleThread.
-// Makes the ExecContext proxy easier.  Gives organization/central access point
-// to state of a thread that can be accessed normally (i.e. not in-flight
-// stuff within a OoO processor).  Does this need an TC proxy within it?
-template <class Impl>
-struct OzoneThreadState : public ThreadState {
-    typedef typename ThreadContext::Status Status;
-    typedef typename Impl::CPUType CPUType;
-    typedef TheISA::MiscReg MiscReg;
-
-    OzoneThreadState(CPUType *_cpu, int _thread_num)
-        : ThreadState(_cpu, -1, _thread_num),
-          intrflag(0), cpu(_cpu), noSquashFromTC(false), trapPending(false)
-    {
-        if (cpu->params->profile) {
-            profile = new FunctionProfile(cpu->params->system->kernelSymtab);
-            Callback *cb =
-                new MakeCallback<OzoneThreadState,
-                &OzoneThreadState::dumpFuncProfile>(this);
-            registerExitCallback(cb);
-        }
-
-        // let's fill with a dummy node for now so we don't get a segfault
-        // on the first cycle when there's no node available.
-        static ProfileNode dummyNode;
-        profileNode = &dummyNode;
-        profilePC = 3;
-        miscRegFile.clear();
-    }
-
-    OzoneThreadState(CPUType *_cpu, int _thread_num, Process *_process)
-        : ThreadState(_cpu, -1, _thread_num, _process),
-          cpu(_cpu), noSquashFromTC(false), trapPending(false)
-    {
-        miscRegFile.clear();
-    }
-
-    RenameTable<Impl> renameTable;
-
-    Addr PC;
-
-    Addr nextPC;
-
-    TheISA::MiscRegFile miscRegFile;
-
-    int intrflag;
-
-    typename Impl::CPUType *cpu;
-
-    bool noSquashFromTC;
-
-    bool trapPending;
-
-    ThreadContext *tc;
-
-    ThreadContext *getTC() { return tc; }
-
-    MiscReg readMiscRegNoEffect(int misc_reg)
-    {
-        return miscRegFile.readRegNoEffect(misc_reg);
-    }
-
-    MiscReg readMiscReg(int misc_reg)
-    {
-        return miscRegFile.readReg(misc_reg, tc);
-    }
-
-    void setMiscRegNoEffect(int misc_reg, const MiscReg &val)
-    {
-        miscRegFile.setRegNoEffect(misc_reg, val);
-    }
-
-    void setMiscReg(int misc_reg, const MiscReg &val)
-    {
-        miscRegFile.setReg(misc_reg, val, tc);
-    }
-
-    uint64_t readPC()
-    { return PC; }
-
-    void setPC(uint64_t val)
-    { PC = val; }
-
-    uint64_t readNextPC()
-    { return nextPC; }
-
-    void setNextPC(uint64_t val)
-    { nextPC = val; }
-
-    void dumpFuncProfile()
-    {
-        std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name()));
-        profile->dump(tc, *os);
-    }
-};
-
-#endif // __CPU_OZONE_THREAD_STATE_HH__