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
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
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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: Nathan Binkert
28
29from m5.SimObject import *
30from m5.params import *
31from m5.proxy import *
32from os import getcwd
33
34class 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    release = Param.String('5.1.0', "Linux kernel uname release")
66
67    @classmethod
68    def export_methods(cls, code):
69        code('bool map(Addr vaddr, Addr paddr, int sz, bool cacheable=true);')
70
71class EmulatedDriver(SimObject):
72    type = 'EmulatedDriver'
73    cxx_header = "sim/emul_driver.hh"
74    abstract = True
75    filename = Param.String("device file name (under /dev)")
76