process.cc (2686:f0d591379ac3) process.cc (2715:4032e02b525e)
1/*
2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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27 *
28 * Authors: Gabe Black
29 * Ali Saidi
30 * Korey Sewell
31 */
32
33#include "arch/mips/isa_traits.hh"
34#include "arch/mips/process.hh"
1/*
2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 18 unchanged lines hidden (view full) ---

27 *
28 * Authors: Gabe Black
29 * Ali Saidi
30 * Korey Sewell
31 */
32
33#include "arch/mips/isa_traits.hh"
34#include "arch/mips/process.hh"
35#include "arch/mips/linux/process.hh"
36#include "base/loader/object_file.hh"
37#include "base/misc.hh"
38#include "cpu/thread_context.hh"
35#include "base/loader/object_file.hh"
36#include "base/misc.hh"
37#include "cpu/thread_context.hh"
39#include "sim/builder.hh"
40#include "sim/system.hh"
41
42using namespace std;
43using namespace MipsISA;
44
38#include "sim/system.hh"
39
40using namespace std;
41using namespace MipsISA;
42
45
46MipsLiveProcess *
47MipsLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
48 int stdout_fd, int stderr_fd, std::string executable,
49 std::vector<std::string> &argv, std::vector<std::string> &envp)
50{
51 MipsLiveProcess *process = NULL;
52
53 ObjectFile *objFile = createObjectFile(executable);
54 if (objFile == NULL) {
55 fatal("Can't load object file %s", executable);
56 }
57
58
59 if (objFile->getArch() != ObjectFile::Mips)
60 fatal("Object file does not match MIPS architecture.");
61
62 switch (objFile->getOpSys()) {
63 case ObjectFile::Linux:
64 process = new MipsLinuxProcess(nm, objFile, system,
65 stdin_fd, stdout_fd, stderr_fd,
66 argv, envp);
67 break;
68
69 default:
70 fatal("Unknown/unsupported operating system.");
71 }
72
73 if (process == NULL)
74 fatal("Unknown error creating process object.");
75 return process;
76}
77
78MipsLiveProcess::MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
79 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
80 std::vector<std::string> &argv, std::vector<std::string> &envp)
81 : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
82 argv, envp)
83{
84 // Set up stack. On MIPS, stack starts at the top of kuseg
85 // user address space. MIPS stack grows down from here

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96 mmap_start = mmap_end = 0x10000;
97}
98
99void
100MipsLiveProcess::startup()
101{
102 argsInit(MachineBytes, VMPageSize);
103}
43MipsLiveProcess::MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
44 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
45 std::vector<std::string> &argv, std::vector<std::string> &envp)
46 : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
47 argv, envp)
48{
49 // Set up stack. On MIPS, stack starts at the top of kuseg
50 // user address space. MIPS stack grows down from here

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61 mmap_start = mmap_end = 0x10000;
62}
63
64void
65MipsLiveProcess::startup()
66{
67 argsInit(MachineBytes, VMPageSize);
68}
104
105
106
107
108BEGIN_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
109
110 VectorParam<string> cmd;
111 Param<string> executable;
112 Param<string> input;
113 Param<string> output;
114 VectorParam<string> env;
115 SimObjectParam<System *> system;
116
117END_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
118
119
120BEGIN_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
121
122 INIT_PARAM(cmd, "command line (executable plus arguments)"),
123 INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
124 INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
125 INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
126 INIT_PARAM(env, "environment settings"),
127 INIT_PARAM(system, "system")
128
129END_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
130
131
132CREATE_SIM_OBJECT(MipsLiveProcess)
133{
134 string in = input;
135 string out = output;
136
137 // initialize file descriptors to default: same as simulator
138 int stdin_fd, stdout_fd, stderr_fd;
139
140 if (in == "stdin" || in == "cin")
141 stdin_fd = STDIN_FILENO;
142 else
143 stdin_fd = Process::openInputFile(input);
144
145 if (out == "stdout" || out == "cout")
146 stdout_fd = STDOUT_FILENO;
147 else if (out == "stderr" || out == "cerr")
148 stdout_fd = STDERR_FILENO;
149 else
150 stdout_fd = Process::openOutputFile(out);
151
152 stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
153
154 return MipsLiveProcess::create(getInstanceName(), system,
155 stdin_fd, stdout_fd, stderr_fd,
156 (string)executable == "" ? cmd[0] : executable,
157 cmd, env);
158}
159
160
161REGISTER_SIM_OBJECT("MipsLiveProcess", MipsLiveProcess)
162
163