src/sim/Process.py

   1 # Copyright (c) 2005-2008 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
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   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
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  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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  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Nathan Binkert
  28
  29 from m5.SimObject import *
  30 from m5.params import *
  31 from m5.proxy import *
  32 from os import getcwd
  33
  34 class Process(SimObject):
  35     type = 'Process'
  36     cxx_header = "sim/process.hh"
  37
  38     @cxxMethod
  39     def map(self, vaddr, paddr, size, cacheable=False):
  40         pass
  41
  42     input = Param.String('cin', "filename for stdin")
  43     output = Param.String('cout', 'filename for stdout')
  44     errout = Param.String('cerr', 'filename for stderr')
  45     system = Param.System(Parent.any, "system process will run on")
  46     useArchPT = Param.Bool('false', 'maintain an in-memory version of the page\
  47                             table in an architecture-specific format')
  48     kvmInSE = Param.Bool('false', 'initialize the process for KvmCPU in SE')
  49     maxStackSize = Param.MemorySize('64MB', 'maximum size of the stack')
  50
  51     uid = Param.Int(100, 'user id')
  52     euid = Param.Int(100, 'effective user id')
  53     gid = Param.Int(100, 'group id')
  54     egid = Param.Int(100, 'effective group id')
  55     pid = Param.Int(100, 'process id')
  56     ppid = Param.Int(0, 'parent process id')
  57     pgid = Param.Int(100, 'process group id')
  58
  59     executable = Param.String('', "executable (overrides cmd[0] if set)")
  60     cmd = VectorParam.String("command line (executable plus arguments)")
  61     env = VectorParam.String([], "environment settings")
  62     cwd = Param.String(getcwd(), "current working directory")
  63     simpoint = Param.UInt64(0, 'simulation point at which to start simulation')
  64     drivers = VectorParam.EmulatedDriver([], 'Available emulated drivers')
  65
  66     @classmethod
  67     def export_methods(cls, code):
  68         code('bool map(Addr vaddr, Addr paddr, int sz, bool cacheable=true);')
  69
  70 class EmulatedDriver(SimObject):
  71     type = 'EmulatedDriver'
  72     cxx_header = "sim/emul_driver.hh"
  73     abstract = True
  74     filename = Param.String("device file name (under /dev)")