cpu/cpu_models.py

   1 # Copyright (c) 2003-2006 The Regents of The University of Michigan
   2 # All rights reserved.
   3 #
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   5 # modification, are permitted provided that the following conditions are
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   9 # notice, this list of conditions and the following disclaimer in the
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  13 # this software without specific prior written permission.
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  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  26
  27 ################
  28 # CpuModel class
  29 #
  30 # The CpuModel class encapsulates everything the ISA parser needs to
  31 # know about a particular CPU model.
  32
  33 class CpuModel:
  34     # Dict of available CPU model objects.  Accessible as CpuModel.dict.
  35     dict = {}
  36
  37     # Constructor.  Automatically adds models to CpuModel.dict.
  38     def __init__(self, name, filename, includes, strings):
  39         self.name = name
  40         self.filename = filename   # filename for output exec code
  41         self.includes = includes   # include files needed in exec file
  42         # The 'strings' dict holds all the per-CPU symbols we can
  43         # substitute into templates etc.
  44         self.strings = strings
  45         # Add self to dict
  46         CpuModel.dict[name] = self
  47
  48
  49 #
  50 # Define CPU models.
  51 #
  52 # Parameters are:
  53 #   - name of model
  54 #   - filename for generated ISA execution file
  55 #   - includes needed for generated ISA execution file
  56 #   - substitution strings for ISA description templates
  57 #
  58
  59 CpuModel('SimpleCPU', 'simple_cpu_exec.cc',
  60          '#include "cpu/simple/cpu.hh"',
  61          { 'CPU_exec_context': 'SimpleCPU' })
  62 CpuModel('FastCPU', 'fast_cpu_exec.cc',
  63          '#include "cpu/fast/cpu.hh"',
  64          { 'CPU_exec_context': 'FastCPU' })
  65 CpuModel('FullCPU', 'full_cpu_exec.cc',
  66          '#include "encumbered/cpu/full/dyn_inst.hh"',
  67          { 'CPU_exec_context': 'DynInst' })
  68 CpuModel('AlphaFullCPU', 'alpha_o3_exec.cc',
  69          '#include "cpu/o3/alpha_dyn_inst.hh"',
  70          { 'CPU_exec_context': 'AlphaDynInst<AlphaSimpleImpl>' })
  71