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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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"

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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:

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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
86 stack_base = 0x7FFFFFFF;
87
88 // Set pointer for next thread stack. Reserve 8M for main stack.
89 next_thread_stack_base = stack_base - (8 * 1024 * 1024);
90
91 // Set up break point (Top of Heap)
92 brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
93 brk_point = roundUp(brk_point, VMPageSize);
94
95 // Set up region for mmaps. For now, start at bottom of kuseg space.
96 mmap_start = mmap_end = 0x10000;
97}
98
99void
100MipsLiveProcess::startup()
101{
102 argsInit(MachineBytes, VMPageSize);
103}
104

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