/* * 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) : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd, argv, envp) { // 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); }