Merge vm1.(none):/home/stever/bk/newmem-head

into  vm1.(none):/home/stever/bk/newmem-cache2

--HG--
extra : convert_revision : fba7efd444e1ca9738385dd4662a33feab357e79

18 files changed, 930 insertions, 0 deletions

diff --git a/src/cpu/BaseCPU.py b/src/cpu/BaseCPU.py
new file mode 100644
index 000000000..6c2aace51
--- /dev/null
+++ b/src/cpu/BaseCPU.py
@@ -0,0 +1,106 @@
+# Copyright (c) 2005-2007 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+from m5 import build_env
+from Bus import Bus
+import sys
+
+if build_env['FULL_SYSTEM']:
+    if build_env['TARGET_ISA'] == 'alpha':
+        from AlphaTLB import AlphaDTB, AlphaITB
+
+    if build_env['TARGET_ISA'] == 'sparc':
+        from SparcTLB import SparcDTB, SparcITB
+
+class BaseCPU(SimObject):
+    type = 'BaseCPU'
+    abstract = True
+
+    system = Param.System(Parent.any, "system object")
+    cpu_id = Param.Int("CPU identifier")
+
+    if build_env['FULL_SYSTEM']:
+        do_quiesce = Param.Bool(True, "enable quiesce instructions")
+        do_checkpoint_insts = Param.Bool(True,
+            "enable checkpoint pseudo instructions")
+        do_statistics_insts = Param.Bool(True,
+            "enable statistics pseudo instructions")
+
+        if build_env['TARGET_ISA'] == 'sparc':
+            dtb = Param.SparcDTB(SparcDTB(), "Data TLB")
+            itb = Param.SparcITB(SparcITB(), "Instruction TLB")
+        elif build_env['TARGET_ISA'] == 'alpha':
+            dtb = Param.AlphaDTB(AlphaDTB(), "Data TLB")
+            itb = Param.AlphaITB(AlphaITB(), "Instruction TLB")
+        else:
+            print "Unknown architecture, can't pick TLBs"
+            sys.exit(1)
+    else:
+        workload = VectorParam.Process("processes to run")
+
+    max_insts_all_threads = Param.Counter(0,
+        "terminate when all threads have reached this inst count")
+    max_insts_any_thread = Param.Counter(0,
+        "terminate when any thread reaches this inst count")
+    max_loads_all_threads = Param.Counter(0,
+        "terminate when all threads have reached this load count")
+    max_loads_any_thread = Param.Counter(0,
+        "terminate when any thread reaches this load count")
+    progress_interval = Param.Tick(0,
+        "interval to print out the progress message")
+
+    defer_registration = Param.Bool(False,
+        "defer registration with system (for sampling)")
+
+    clock = Param.Clock('1t', "clock speed")
+    phase = Param.Latency('0ns', "clock phase")
+
+    _mem_ports = []
+
+    def connectMemPorts(self, bus):
+        for p in self._mem_ports:
+            exec('self.%s = bus.port' % p)
+
+    def addPrivateSplitL1Caches(self, ic, dc):
+        assert(len(self._mem_ports) == 2)
+        self.icache = ic
+        self.dcache = dc
+        self.icache_port = ic.cpu_side
+        self.dcache_port = dc.cpu_side
+        self._mem_ports = ['icache.mem_side', 'dcache.mem_side']
+
+    def addTwoLevelCacheHierarchy(self, ic, dc, l2c):
+        self.addPrivateSplitL1Caches(ic, dc)
+        self.toL2Bus = Bus()
+        self.connectMemPorts(self.toL2Bus)
+        self.l2cache = l2c
+        self.l2cache.cpu_side = self.toL2Bus.port
+        self._mem_ports = ['l2cache.mem_side']
diff --git a/src/cpu/FuncUnit.py b/src/cpu/FuncUnit.py
new file mode 100644
index 000000000..541bdbd83
--- /dev/null
+++ b/src/cpu/FuncUnit.py
@@ -0,0 +1,46 @@
+# Copyright (c) 2006-2007 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+
+class OpType(Enum):
+    vals = ['(null)', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd',
+            'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatDiv', 'FloatSqrt',
+            'MemRead', 'MemWrite', 'IprAccess', 'InstPrefetch']
+
+class OpDesc(SimObject):
+    type = 'OpDesc'
+    issueLat = Param.Int(1, "cycles until another can be issued")
+    opClass = Param.OpType("type of operation")
+    opLat = Param.Int(1, "cycles until result is available")
+
+class FUDesc(SimObject):
+    type = 'FUDesc'
+    count = Param.Int("number of these FU's available")
+    opList = VectorParam.OpDesc("operation classes for this FU type")
diff --git a/src/cpu/IntrControl.py b/src/cpu/IntrControl.py
new file mode 100644
index 000000000..eb4b1696b
--- /dev/null
+++ b/src/cpu/IntrControl.py
@@ -0,0 +1,34 @@
+# Copyright (c) 2005-2007 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+class IntrControl(SimObject):
+    type = 'IntrControl'
+    sys = Param.System(Parent.any, "the system we are part of")
diff --git a/src/cpu/SConscript b/src/cpu/SConscript
index 1c2278f6f..cce13a072 100644
--- a/src/cpu/SConscript
+++ b/src/cpu/SConscript
@@ -103,6 +103,9 @@ env.Depends('static_inst_exec_sigs.hh', Value(env['CPU_MODELS']))
 # and one of these are not being used.
 CheckerSupportedCPUList = ['O3CPU', 'OzoneCPU']
 
+SimObject('BaseCPU.py')
+SimObject('FuncUnit.py')
+
 Source('activity.cc')
 Source('base.cc')
 Source('cpuevent.cc')
@@ -116,6 +119,8 @@ Source('simple_thread.cc')
 Source('thread_state.cc')
 
 if env['FULL_SYSTEM']:
+    SimObject('IntrControl.py')
+
     Source('intr_control.cc')
     Source('profile.cc')
 
diff --git a/src/cpu/memtest/MemTest.py b/src/cpu/memtest/MemTest.py
new file mode 100644
index 000000000..381519972
--- /dev/null
+++ b/src/cpu/memtest/MemTest.py
@@ -0,0 +1,52 @@
+# Copyright (c) 2005-2007 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from m5.proxy import *
+from m5 import build_env
+
+class MemTest(SimObject):
+    type = 'MemTest'
+    max_loads = Param.Counter("number of loads to execute")
+    atomic = Param.Bool(False, "Execute tester in atomic mode? (or timing)\n")
+    memory_size = Param.Int(65536, "memory size")
+    percent_dest_unaligned = Param.Percent(50,
+        "percent of copy dest address that are unaligned")
+    percent_reads = Param.Percent(65, "target read percentage")
+    percent_source_unaligned = Param.Percent(50,
+        "percent of copy source address that are unaligned")
+    percent_functional = Param.Percent(50, "percent of access that are functional")
+    percent_uncacheable = Param.Percent(10,
+        "target uncacheable percentage")
+    progress_interval = Param.Counter(1000000,
+        "progress report interval (in accesses)")
+    trace_addr = Param.Addr(0, "address to trace")
+
+    test = Port("Port to the memory system to test")
+    functional = Port("Port to the functional memory used for verification")
diff --git a/src/cpu/memtest/SConscript b/src/cpu/memtest/SConscript
index 7b4d6d2c5..1f6621a4c 100644
--- a/src/cpu/memtest/SConscript
+++ b/src/cpu/memtest/SConscript
@@ -31,4 +31,6 @@
 Import('*')
 
 if 'O3CPU' in env['CPU_MODELS']:
+    SimObject('MemTest.py')
+
     Source('memtest.cc')
diff --git a/src/cpu/o3/FUPool.py b/src/cpu/o3/FUPool.py
new file mode 100644
index 000000000..4f07f9867
--- /dev/null
+++ b/src/cpu/o3/FUPool.py
@@ -0,0 +1,40 @@
+# Copyright (c) 2006-2007 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from FuncUnit import *
+from FuncUnitConfig import *
+
+class FUPool(SimObject):
+    type = 'FUPool'
+    FUList = VectorParam.FUDesc("list of FU's for this pool")
+
+class DefaultFUPool(FUPool):
+    FUList = [ IntALU(), IntMultDiv(), FP_ALU(), FP_MultDiv(), ReadPort(),
+               WritePort(), RdWrPort(), IprPort() ]
diff --git a/src/cpu/o3/FuncUnitConfig.py b/src/cpu/o3/FuncUnitConfig.py
new file mode 100644
index 000000000..954381f86
--- /dev/null
+++ b/src/cpu/o3/FuncUnitConfig.py
@@ -0,0 +1,69 @@
+# Copyright (c) 2006-2007 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from FuncUnit import *
+
+class IntALU(FUDesc):
+    opList = [ OpDesc(opClass='IntAlu') ]
+    count = 6
+
+class IntMultDiv(FUDesc):
+    opList = [ OpDesc(opClass='IntMult', opLat=3),
+               OpDesc(opClass='IntDiv', opLat=20, issueLat=19) ]
+    count=2
+
+class FP_ALU(FUDesc):
+    opList = [ OpDesc(opClass='FloatAdd', opLat=2),
+               OpDesc(opClass='FloatCmp', opLat=2),
+               OpDesc(opClass='FloatCvt', opLat=2) ]
+    count = 4
+
+class FP_MultDiv(FUDesc):
+    opList = [ OpDesc(opClass='FloatMult', opLat=4),
+               OpDesc(opClass='FloatDiv', opLat=12, issueLat=12),
+               OpDesc(opClass='FloatSqrt', opLat=24, issueLat=24) ]
+    count = 2
+
+class ReadPort(FUDesc):
+    opList = [ OpDesc(opClass='MemRead') ]
+    count = 0
+
+class WritePort(FUDesc):
+    opList = [ OpDesc(opClass='MemWrite') ]
+    count = 0
+
+class RdWrPort(FUDesc):
+    opList = [ OpDesc(opClass='MemRead'), OpDesc(opClass='MemWrite') ]
+    count = 4
+
+class IprPort(FUDesc):
+    opList = [ OpDesc(opClass='IprAccess', opLat = 3, issueLat = 3) ]
+    count = 1
+
diff --git a/src/cpu/o3/O3CPU.py b/src/cpu/o3/O3CPU.py
new file mode 100644
index 000000000..e031faefa
--- /dev/null
+++ b/src/cpu/o3/O3CPU.py
@@ -0,0 +1,153 @@
+# Copyright (c) 2005-2007 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
+
+from m5.params import *
+from m5.proxy import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+from FUPool import *
+
+if build_env['USE_CHECKER']:
+    from O3Checker import O3Checker
+
+class DerivO3CPU(BaseCPU):
+    type = 'DerivO3CPU'
+    activity = Param.Unsigned(0, "Initial count")
+    numThreads = Param.Unsigned(1, "number of HW thread contexts")
+
+    if build_env['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
+    if build_env['USE_CHECKER']:
+        if not build_env['FULL_SYSTEM']:
+            checker = Param.BaseCPU(O3Checker(workload=Parent.workload,
+                                              exitOnError=False,
+                                              updateOnError=True,
+                                              warnOnlyOnLoadError=False),
+                                    "checker")
+        else:
+            checker = Param.BaseCPU(O3Checker(exitOnError=False, updateOnError=True,
+                                              warnOnlyOnLoadError=False), "checker")
+            checker.itb = Parent.itb
+            checker.dtb = Parent.dtb
+
+    cachePorts = Param.Unsigned("Cache Ports")
+    icache_port = Port("Instruction Port")
+    dcache_port = Port("Data Port")
+    _mem_ports = ['icache_port', 'dcache_port']
+
+    decodeToFetchDelay = Param.Unsigned(1, "Decode to fetch delay")
+    renameToFetchDelay = Param.Unsigned(1 ,"Rename to fetch delay")
+    iewToFetchDelay = Param.Unsigned(1, "Issue/Execute/Writeback to fetch "
+                                     "delay")
+    commitToFetchDelay = Param.Unsigned(1, "Commit to fetch delay")
+    fetchWidth = Param.Unsigned(8, "Fetch width")
+
+    renameToDecodeDelay = Param.Unsigned(1, "Rename to decode delay")
+    iewToDecodeDelay = Param.Unsigned(1, "Issue/Execute/Writeback to decode "
+               "delay")
+    commitToDecodeDelay = Param.Unsigned(1, "Commit to decode delay")
+    fetchToDecodeDelay = Param.Unsigned(1, "Fetch to decode delay")
+    decodeWidth = Param.Unsigned(8, "Decode width")
+
+    iewToRenameDelay = Param.Unsigned(1, "Issue/Execute/Writeback to rename "
+               "delay")
+    commitToRenameDelay = Param.Unsigned(1, "Commit to rename delay")
+    decodeToRenameDelay = Param.Unsigned(1, "Decode to rename delay")
+    renameWidth = Param.Unsigned(8, "Rename width")
+
+    commitToIEWDelay = Param.Unsigned(1, "Commit to "
+               "Issue/Execute/Writeback delay")
+    renameToIEWDelay = Param.Unsigned(2, "Rename to "
+               "Issue/Execute/Writeback delay")
+    issueToExecuteDelay = Param.Unsigned(1, "Issue to execute delay (internal "
+              "to the IEW stage)")
+    dispatchWidth = Param.Unsigned(8, "Dispatch width")
+    issueWidth = Param.Unsigned(8, "Issue width")
+    wbWidth = Param.Unsigned(8, "Writeback width")
+    wbDepth = Param.Unsigned(1, "Writeback depth")
+    fuPool = Param.FUPool(DefaultFUPool(), "Functional Unit pool")
+
+    iewToCommitDelay = Param.Unsigned(1, "Issue/Execute/Writeback to commit "
+               "delay")
+    renameToROBDelay = Param.Unsigned(1, "Rename to reorder buffer delay")
+    commitWidth = Param.Unsigned(8, "Commit width")
+    squashWidth = Param.Unsigned(8, "Squash width")
+    trapLatency = Param.Tick(13, "Trap latency")
+    fetchTrapLatency = Param.Tick(1, "Fetch trap latency")
+
+    backComSize = Param.Unsigned(5, "Time buffer size for backwards communication")
+    forwardComSize = Param.Unsigned(5, "Time buffer size for forward communication")
+
+    predType = Param.String("tournament", "Branch predictor type ('local', 'tournament')")
+    localPredictorSize = Param.Unsigned(2048, "Size of local predictor")
+    localCtrBits = Param.Unsigned(2, "Bits per counter")
+    localHistoryTableSize = Param.Unsigned(2048, "Size of local history table")
+    localHistoryBits = Param.Unsigned(11, "Bits for the local history")
+    globalPredictorSize = Param.Unsigned(8192, "Size of global predictor")
+    globalCtrBits = Param.Unsigned(2, "Bits per counter")
+    globalHistoryBits = Param.Unsigned(13, "Bits of history")
+    choicePredictorSize = Param.Unsigned(8192, "Size of choice predictor")
+    choiceCtrBits = Param.Unsigned(2, "Bits of choice counters")
+
+    BTBEntries = Param.Unsigned(4096, "Number of BTB entries")
+    BTBTagSize = Param.Unsigned(16, "Size of the BTB tags, in bits")
+
+    RASSize = Param.Unsigned(16, "RAS size")
+
+    LQEntries = Param.Unsigned(32, "Number of load queue entries")
+    SQEntries = Param.Unsigned(32, "Number of store queue entries")
+    LFSTSize = Param.Unsigned(1024, "Last fetched store table size")
+    SSITSize = Param.Unsigned(1024, "Store set ID table size")
+
+    numRobs = Param.Unsigned(1, "Number of Reorder Buffers");
+
+    numPhysIntRegs = Param.Unsigned(256, "Number of physical integer registers")
+    numPhysFloatRegs = Param.Unsigned(256, "Number of physical floating point "
+                                      "registers")
+    numIQEntries = Param.Unsigned(64, "Number of instruction queue entries")
+    numROBEntries = Param.Unsigned(192, "Number of reorder buffer entries")
+
+    instShiftAmt = Param.Unsigned(2, "Number of bits to shift instructions by")
+
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
+
+    smtNumFetchingThreads = Param.Unsigned("SMT Number of Fetching Threads")
+    smtFetchPolicy = Param.String("SMT Fetch policy")
+    smtLSQPolicy    = Param.String("SMT LSQ Sharing Policy")
+    smtLSQThreshold = Param.String("SMT LSQ Threshold Sharing Parameter")
+    smtIQPolicy    = Param.String("SMT IQ Sharing Policy")
+    smtIQThreshold = Param.String("SMT IQ Threshold Sharing Parameter")
+    smtROBPolicy   = Param.String("SMT ROB Sharing Policy")
+    smtROBThreshold = Param.String("SMT ROB Threshold Sharing Parameter")
+    smtCommitPolicy = Param.String("SMT Commit Policy")
+
+    def addPrivateSplitL1Caches(self, ic, dc):
+        BaseCPU.addPrivateSplitL1Caches(self, ic, dc)
+        self.icache.tgts_per_mshr = 20
+        self.dcache.tgts_per_mshr = 20
diff --git a/src/cpu/o3/O3Checker.py b/src/cpu/o3/O3Checker.py
new file mode 100644
index 000000000..43a71d67b
--- /dev/null
+++ b/src/cpu/o3/O3Checker.py
@@ -0,0 +1,43 @@
+# Copyright (c) 2007 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
+
+from m5.params import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+
+class O3Checker(BaseCPU):
+    type = 'O3Checker'
+    exitOnError = Param.Bool(False, "Exit on an error")
+    updateOnError = Param.Bool(False,
+        "Update the checker with the main CPU's state on an error")
+    warnOnlyOnLoadError = Param.Bool(False,
+        "If a load result is incorrect, only print a warning and do not exit")
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
+    if build_env['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
diff --git a/src/cpu/o3/SConscript b/src/cpu/o3/SConscript
index bb1dfb613..a1af620be 100755
--- a/src/cpu/o3/SConscript
+++ b/src/cpu/o3/SConscript
@@ -33,6 +33,10 @@ import sys
 Import('*')
 
 if 'O3CPU' in env['CPU_MODELS']:
+    SimObject('FUPool.py')
+    SimObject('FuncUnitConfig.py')
+    SimObject('O3CPU.py')
+
     Source('base_dyn_inst.cc')
     Source('bpred_unit.cc')
     Source('commit.cc')
@@ -71,6 +75,7 @@ if 'O3CPU' in env['CPU_MODELS']:
         sys.exit('O3 CPU does not support the \'%s\' ISA' % env['TARGET_ISA'])
 
     if env['USE_CHECKER']:
+        SimObject('m5/objects/O3Checker.py')
         Source('checker_builder.cc')
 
 if 'O3CPU' in env['CPU_MODELS'] or 'OzoneCPU' in env['CPU_MODELS']:
diff --git a/src/cpu/ozone/OzoneCPU.py b/src/cpu/ozone/OzoneCPU.py
new file mode 100644
index 000000000..b9cfb448f
--- /dev/null
+++ b/src/cpu/ozone/OzoneCPU.py
@@ -0,0 +1,127 @@
+# Copyright (c) 2006-2007 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
+
+from m5.params import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+
+if build_env['USE_CHECKER']:
+    from OzoneChecker import OzoneChecker
+
+class DerivOzoneCPU(BaseCPU):
+    type = 'DerivOzoneCPU'
+
+    numThreads = Param.Unsigned("number of HW thread contexts")
+
+    if build_env['USE_CHECKER']:
+        checker = Param.BaseCPU("Checker CPU")
+    if build_env['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
+
+    icache_port = Port("Instruction Port")
+    dcache_port = Port("Data Port")
+
+    width = Param.Unsigned("Width")
+    frontEndWidth = Param.Unsigned("Front end width")
+    frontEndLatency = Param.Unsigned("Front end latency")
+    backEndWidth = Param.Unsigned("Back end width")
+    backEndSquashLatency = Param.Unsigned("Back end squash latency")
+    backEndLatency = Param.Unsigned("Back end latency")
+    maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
+    maxOutstandingMemOps = Param.Unsigned("Maximum number of outstanding memory operations")
+    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
+    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
+    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
+               "delay")
+    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
+    fetchWidth = Param.Unsigned("Fetch width")
+
+    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
+    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
+               "delay")
+    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
+    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
+    decodeWidth = Param.Unsigned("Decode width")
+
+    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
+               "delay")
+    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
+    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
+    renameWidth = Param.Unsigned("Rename width")
+
+    commitToIEWDelay = Param.Unsigned("Commit to "
+               "Issue/Execute/Writeback delay")
+    renameToIEWDelay = Param.Unsigned("Rename to "
+               "Issue/Execute/Writeback delay")
+    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
+              "to the IEW stage)")
+    issueWidth = Param.Unsigned("Issue width")
+    executeWidth = Param.Unsigned("Execute width")
+    executeIntWidth = Param.Unsigned("Integer execute width")
+    executeFloatWidth = Param.Unsigned("Floating point execute width")
+    executeBranchWidth = Param.Unsigned("Branch execute width")
+    executeMemoryWidth = Param.Unsigned("Memory execute width")
+
+    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
+               "delay")
+    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
+    commitWidth = Param.Unsigned("Commit width")
+    squashWidth = Param.Unsigned("Squash width")
+
+    predType = Param.String("Type of branch predictor ('local', 'tournament')")
+    localPredictorSize = Param.Unsigned("Size of local predictor")
+    localCtrBits = Param.Unsigned("Bits per counter")
+    localHistoryTableSize = Param.Unsigned("Size of local history table")
+    localHistoryBits = Param.Unsigned("Bits for the local history")
+    globalPredictorSize = Param.Unsigned("Size of global predictor")
+    globalCtrBits = Param.Unsigned("Bits per counter")
+    globalHistoryBits = Param.Unsigned("Bits of history")
+    choicePredictorSize = Param.Unsigned("Size of choice predictor")
+    choiceCtrBits = Param.Unsigned("Bits of choice counters")
+
+    BTBEntries = Param.Unsigned("Number of BTB entries")
+    BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
+
+    RASSize = Param.Unsigned("RAS size")
+
+    LQEntries = Param.Unsigned("Number of load queue entries")
+    SQEntries = Param.Unsigned("Number of store queue entries")
+    lsqLimits = Param.Bool(True, "LSQ size limits dispatch")
+    LFSTSize = Param.Unsigned("Last fetched store table size")
+    SSITSize = Param.Unsigned("Store set ID table size")
+
+    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
+    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
+               "registers")
+    numIQEntries = Param.Unsigned("Number of instruction queue entries")
+    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
+
+    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
+
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
diff --git a/src/cpu/ozone/OzoneChecker.py b/src/cpu/ozone/OzoneChecker.py
new file mode 100644
index 000000000..f20b8770e
--- /dev/null
+++ b/src/cpu/ozone/OzoneChecker.py
@@ -0,0 +1,43 @@
+# Copyright (c) 2007 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
+
+from m5.params import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+
+class OzoneChecker(BaseCPU):
+    type = 'OzoneChecker'
+    exitOnError = Param.Bool(False, "Exit on an error")
+    updateOnError = Param.Bool(False,
+        "Update the checker with the main CPU's state on an error")
+    warnOnlyOnLoadError = Param.Bool(False,
+        "If a load result is incorrect, only print a warning and do not exit")
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
+    if build_env['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
diff --git a/src/cpu/ozone/SConscript b/src/cpu/ozone/SConscript
index 4a040684a..601e80a72 100644
--- a/src/cpu/ozone/SConscript
+++ b/src/cpu/ozone/SConscript
@@ -31,6 +31,9 @@
 Import('*')
 
 if 'OzoneCPU' in env['CPU_MODELS']:
+    SimObject('OzoneCPU.py')
+    SimObject('SimpleOzoneCPU.py')
+
     need_bp_unit = True
     Source('base_dyn_inst.cc')
     Source('bpred_unit.cc')
@@ -42,4 +45,5 @@ if 'OzoneCPU' in env['CPU_MODELS']:
     Source('lw_lsq.cc')
     Source('rename_table.cc')
     if env['USE_CHECKER']:
+        SimObject('m5/objects/OzoneChecker.py')
         Source('checker_builder.cc')
diff --git a/src/cpu/ozone/SimpleOzoneCPU.py b/src/cpu/ozone/SimpleOzoneCPU.py
new file mode 100644
index 000000000..93603092b
--- /dev/null
+++ b/src/cpu/ozone/SimpleOzoneCPU.py
@@ -0,0 +1,115 @@
+# Copyright (c) 2006-2007 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
+
+from m5.params import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+
+class SimpleOzoneCPU(BaseCPU):
+    type = 'SimpleOzoneCPU'
+
+    numThreads = Param.Unsigned("number of HW thread contexts")
+
+    if not build_env['FULL_SYSTEM']:
+        mem = Param.FunctionalMemory(NULL, "memory")
+
+    width = Param.Unsigned("Width")
+    frontEndWidth = Param.Unsigned("Front end width")
+    backEndWidth = Param.Unsigned("Back end width")
+    backEndSquashLatency = Param.Unsigned("Back end squash latency")
+    backEndLatency = Param.Unsigned("Back end latency")
+    maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
+    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
+    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
+    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
+               "delay")
+    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
+    fetchWidth = Param.Unsigned("Fetch width")
+
+    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
+    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
+               "delay")
+    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
+    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
+    decodeWidth = Param.Unsigned("Decode width")
+
+    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
+               "delay")
+    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
+    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
+    renameWidth = Param.Unsigned("Rename width")
+
+    commitToIEWDelay = Param.Unsigned("Commit to "
+               "Issue/Execute/Writeback delay")
+    renameToIEWDelay = Param.Unsigned("Rename to "
+               "Issue/Execute/Writeback delay")
+    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
+              "to the IEW stage)")
+    issueWidth = Param.Unsigned("Issue width")
+    executeWidth = Param.Unsigned("Execute width")
+    executeIntWidth = Param.Unsigned("Integer execute width")
+    executeFloatWidth = Param.Unsigned("Floating point execute width")
+    executeBranchWidth = Param.Unsigned("Branch execute width")
+    executeMemoryWidth = Param.Unsigned("Memory execute width")
+
+    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
+               "delay")
+    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
+    commitWidth = Param.Unsigned("Commit width")
+    squashWidth = Param.Unsigned("Squash width")
+
+    localPredictorSize = Param.Unsigned("Size of local predictor")
+    localCtrBits = Param.Unsigned("Bits per counter")
+    localHistoryTableSize = Param.Unsigned("Size of local history table")
+    localHistoryBits = Param.Unsigned("Bits for the local history")
+    globalPredictorSize = Param.Unsigned("Size of global predictor")
+    globalCtrBits = Param.Unsigned("Bits per counter")
+    globalHistoryBits = Param.Unsigned("Bits of history")
+    choicePredictorSize = Param.Unsigned("Size of choice predictor")
+    choiceCtrBits = Param.Unsigned("Bits of choice counters")
+
+    BTBEntries = Param.Unsigned("Number of BTB entries")
+    BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
+
+    RASSize = Param.Unsigned("RAS size")
+
+    LQEntries = Param.Unsigned("Number of load queue entries")
+    SQEntries = Param.Unsigned("Number of store queue entries")
+    LFSTSize = Param.Unsigned("Last fetched store table size")
+    SSITSize = Param.Unsigned("Store set ID table size")
+
+    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
+    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
+               "registers")
+    numIQEntries = Param.Unsigned("Number of instruction queue entries")
+    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
+
+    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
+
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
diff --git a/src/cpu/simple/AtomicSimpleCPU.py b/src/cpu/simple/AtomicSimpleCPU.py
new file mode 100644
index 000000000..e97f059c1
--- /dev/null
+++ b/src/cpu/simple/AtomicSimpleCPU.py
@@ -0,0 +1,43 @@
+# Copyright (c) 2007 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
+
+from m5.params import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+
+class AtomicSimpleCPU(BaseCPU):
+    type = 'AtomicSimpleCPU'
+    width = Param.Int(1, "CPU width")
+    simulate_stalls = Param.Bool(False, "Simulate cache stall cycles")
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
+    if build_env['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
+    icache_port = Port("Instruction Port")
+    dcache_port = Port("Data Port")
+    _mem_ports = ['icache_port', 'dcache_port']
diff --git a/src/cpu/simple/SConscript b/src/cpu/simple/SConscript
index 9a6a80473..ccccab2b5 100644
--- a/src/cpu/simple/SConscript
+++ b/src/cpu/simple/SConscript
@@ -33,10 +33,12 @@ Import('*')
 need_simple_base = False
 if 'AtomicSimpleCPU' in env['CPU_MODELS']:
     need_simple_base = True
+    SimObject('AtomicSimpleCPU.py')
     Source('atomic.cc')
 
 if 'TimingSimpleCPU' in env['CPU_MODELS']:
     need_simple_base = True
+    SimObject('TimingSimpleCPU.py')
     Source('timing.cc')
 
 if need_simple_base:
diff --git a/src/cpu/simple/TimingSimpleCPU.py b/src/cpu/simple/TimingSimpleCPU.py
new file mode 100644
index 000000000..2fcde175c
--- /dev/null
+++ b/src/cpu/simple/TimingSimpleCPU.py
@@ -0,0 +1,41 @@
+# Copyright (c) 2007 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
+
+from m5.params import *
+from m5 import build_env
+from BaseCPU import BaseCPU
+
+class TimingSimpleCPU(BaseCPU):
+    type = 'TimingSimpleCPU'
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
+    if build_env['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
+    icache_port = Port("Instruction Port")
+    dcache_port = Port("Data Port")
+    _mem_ports = ['icache_port', 'dcache_port']