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Diffstat (limited to 'src/arch/mips/process.cc')
-rw-r--r-- | src/arch/mips/process.cc | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc new file mode 100644 index 000000000..4bc91ca24 --- /dev/null +++ b/src/arch/mips/process.cc @@ -0,0 +1,71 @@ + +/* + * 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. + * + * Authors: Gabe Black + * Ali Saidi + * Korey Sewell + */ + +#include "arch/mips/isa_traits.hh" +#include "arch/mips/process.hh" +#include "base/loader/object_file.hh" +#include "base/misc.hh" +#include "cpu/thread_context.hh" +#include "sim/system.hh" + +using namespace std; +using namespace MipsISA; + +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, + uint64_t _uid, uint64_t _euid, uint64_t _gid, uint64_t _egid, + uint64_t _pid, uint64_t _ppid) + : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd, + argv, envp, _uid, _euid, _gid, _egid, _pid, _ppid) +{ + // Set up stack. On MIPS, stack starts at the top of kuseg + // user address space. MIPS stack grows down from here + stack_base = 0x7FFFFFFF; + + // Set pointer for next thread stack. Reserve 8M for main stack. + next_thread_stack_base = stack_base - (8 * 1024 * 1024); + + // Set up break point (Top of Heap) + brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); + brk_point = roundUp(brk_point, VMPageSize); + + // Set up region for mmaps. For now, start at bottom of kuseg space. + mmap_start = mmap_end = 0x10000; +} + +void +MipsLiveProcess::startup() +{ + argsInit(MachineBytes, VMPageSize); +} |