src/cpu/cpu_models.py

   1 # Copyright (c) 2003-2006 The Regents of The University of Michigan
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Steve Reinhardt
  28
  29 import os
  30 import os.path
  31 import sys
  32
  33 ################
  34 # CpuModel class
  35 #
  36 # The CpuModel class encapsulates everything the ISA parser needs to
  37 # know about a particular CPU model.
  38
  39 class CpuModel:
  40     # Dict of available CPU model objects.  Accessible as CpuModel.dict.
  41     dict = {}
  42
  43     # Constructor.  Automatically adds models to CpuModel.dict.
  44     def __init__(self, name, filename, includes, strings):
  45         self.name = name
  46         self.filename = filename   # filename for output exec code
  47         self.includes = includes   # include files needed in exec file
  48         # The 'strings' dict holds all the per-CPU symbols we can
  49         # substitute into templates etc.
  50         self.strings = strings
  51         # Add self to dict
  52         CpuModel.dict[name] = self
  53
  54 #
  55 # Define CPU models.
  56 #
  57 # Parameters are:
  58 #   - name of model
  59 #   - filename for generated ISA execution file
  60 #   - includes needed for generated ISA execution file
  61 #   - substitution strings for ISA description templates
  62 #
  63
  64 CpuModel('AtomicSimpleCPU', 'atomic_simple_cpu_exec.cc',
  65          '#include "cpu/simple/atomic.hh"',
  66          { 'CPU_exec_context': 'AtomicSimpleCPU' })
  67 CpuModel('TimingSimpleCPU', 'timing_simple_cpu_exec.cc',
  68          '#include "cpu/simple/timing.hh"',
  69          { 'CPU_exec_context': 'TimingSimpleCPU' })
  70 CpuModel('FullCPU', 'full_cpu_exec.cc',
  71          '#include "encumbered/cpu/full/dyn_inst.hh"',
  72          { 'CPU_exec_context': 'DynInst' })
  73 CpuModel('OzoneSimpleCPU', 'ozone_simple_exec.cc',
  74          '#include "cpu/ozone/dyn_inst.hh"',
  75          { 'CPU_exec_context': 'OzoneDynInst<SimpleImpl>' })
  76 CpuModel('OzoneCPU', 'ozone_exec.cc',
  77          '#include "cpu/ozone/dyn_inst.hh"',
  78          { 'CPU_exec_context': 'OzoneDynInst<OzoneImpl>' })
  79 CpuModel('CheckerCPU', 'checker_cpu_exec.cc',
  80          '#include "cpu/checker/cpu.hh"',
  81          { 'CPU_exec_context': 'CheckerCPU' })
  82 CpuModel('O3CPU', 'o3_cpu_exec.cc',
  83          '#include "cpu/o3/isa_specific.hh"',
  84          { 'CPU_exec_context': 'O3DynInst' })
  85 CpuModel('InOrderCPU', 'inorder_cpu_exec.cc',
  86          '#include "cpu/inorder/inorder_dyn_inst.hh"',
  87          { 'CPU_exec_context': 'InOrderDynInst' })