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

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36#include "base/loader/object_file.hh"
37#include "base/misc.hh"
38#include "cpu/thread_context.hh"
39#include "sim/system.hh"
40
41using namespace std;
42using namespace MipsISA;
43
44MipsLiveProcess::MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
45 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
46 std::vector<std::string> &argv, std::vector<std::string> &envp)
47 : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
48 argv, envp)
49{
50 // Set up stack. On MIPS, stack starts at the top of kuseg
51 // user address space. MIPS stack grows down from here
52 stack_base = 0x7FFFFFFF;
53
54 // Set pointer for next thread stack. Reserve 8M for main stack.
55 next_thread_stack_base = stack_base - (8 * 1024 * 1024);
56
57 // Set up break point (Top of Heap)
58 brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
59 brk_point = roundUp(brk_point, VMPageSize);
60
61 // Set up region for mmaps. For now, start at bottom of kuseg space.
62 mmap_start = mmap_end = 0x10000;
63}
64
65void
66MipsLiveProcess::startup()
67{
68 argsInit(MachineBytes, VMPageSize);
69}