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+/*
+ * Copyright (c) 2003-2004 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "arch/mips/isa_traits.hh"
+#include "arch/mips/process.hh"
+#include "arch/mips/linux/process.hh"
+#include "base/loader/object_file.hh"
+#include "base/misc.hh"
+#include "cpu/exec_context.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
+
+using namespace std;
+using namespace MipsISA;
+
+
+MipsLiveProcess *
+MipsLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
+ int stdout_fd, int stderr_fd, std::string executable,
+ std::vector<std::string> &argv, std::vector<std::string> &envp)
+{
+ MipsLiveProcess *process = NULL;
+
+ ObjectFile *objFile = createObjectFile(executable);
+ if (objFile == NULL) {
+ fatal("Can't load object file %s", executable);
+ }
+
+
+ if (objFile->getArch() != ObjectFile::Mips)
+ fatal("Object file does not match architecture.");
+ switch (objFile->getOpSys()) {
+ case ObjectFile::Linux:
+ process = new MipsLinuxProcess(nm, objFile, system,
+ stdin_fd, stdout_fd, stderr_fd,
+ argv, envp);
+ break;
+
+ default:
+ fatal("Unknown/unsupported operating system.");
+ }
+
+ if (process == NULL)
+ fatal("Unknown error creating process object.");
+ return process;
+}
+
+MipsLiveProcess::MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
+ System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
+ std::vector<std::string> &argv, std::vector<std::string> &envp)
+ : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
+ argv, envp)
+{
+
+ // XXX all the below need to be updated for SPARC - Ali
+ brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
+ brk_point = roundUp(brk_point, VMPageSize);
+
+ // Set up stack. On Alpha, stack goes below text section. This
+ // code should get moved to some architecture-specific spot.
+ stack_base = objFile->textBase() - (409600+4096);
+
+ // Set up region for mmaps. Tru64 seems to start just above 0 and
+ // grow up from there.
+ mmap_start = mmap_end = 0x10000;
+
+ // Set pointer for next thread stack. Reserve 8M for main stack.
+ next_thread_stack_base = stack_base - (8 * 1024 * 1024);
+
+}
+
+void
+MipsLiveProcess::startup()
+{
+ argsInit(MachineBytes, VMPageSize);
+}
+
+
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+ VectorParam<string> cmd;
+ Param<string> executable;
+ Param<string> input;
+ Param<string> output;
+ VectorParam<string> env;
+ SimObjectParam<System *> system;
+
+END_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+ INIT_PARAM(cmd, "command line (executable plus arguments)"),
+ INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
+ INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
+ INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
+ INIT_PARAM(env, "environment settings"),
+ INIT_PARAM(system, "system")
+
+END_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+
+CREATE_SIM_OBJECT(MipsLiveProcess)
+{
+ string in = input;
+ string out = output;
+
+ // initialize file descriptors to default: same as simulator
+ int stdin_fd, stdout_fd, stderr_fd;
+
+ if (in == "stdin" || in == "cin")
+ stdin_fd = STDIN_FILENO;
+ else
+ stdin_fd = Process::openInputFile(input);
+
+ if (out == "stdout" || out == "cout")
+ stdout_fd = STDOUT_FILENO;
+ else if (out == "stderr" || out == "cerr")
+ stdout_fd = STDERR_FILENO;
+ else
+ stdout_fd = Process::openOutputFile(out);
+
+ stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
+
+ return MipsLiveProcess::create(getInstanceName(), system,
+ stdin_fd, stdout_fd, stderr_fd,
+ (string)executable == "" ? cmd[0] : executable,
+ cmd, env);
+}
+
+
+REGISTER_SIM_OBJECT("MipsLiveProcess", MipsLiveProcess)
+
+