process.cc revision 5183
12207SN/A/* 22207SN/A * Copyright (c) 2003-2004 The Regents of The University of Michigan 32207SN/A * All rights reserved. 42207SN/A * 52207SN/A * Redistribution and use in source and binary forms, with or without 62207SN/A * modification, are permitted provided that the following conditions are 72207SN/A * met: redistributions of source code must retain the above copyright 82207SN/A * notice, this list of conditions and the following disclaimer; 92207SN/A * redistributions in binary form must reproduce the above copyright 102207SN/A * notice, this list of conditions and the following disclaimer in the 112207SN/A * documentation and/or other materials provided with the distribution; 122207SN/A * neither the name of the copyright holders nor the names of its 132207SN/A * contributors may be used to endorse or promote products derived from 142207SN/A * this software without specific prior written permission. 152207SN/A * 162207SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172207SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182207SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192207SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202207SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212207SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222207SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232207SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242207SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252207SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262207SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Gabe Black 292665Ssaidi@eecs.umich.edu * Ali Saidi 302207SN/A */ 312207SN/A 322972Sgblack@eecs.umich.edu#include "arch/alpha/isa_traits.hh" 332207SN/A#include "arch/alpha/process.hh" 342454SN/A#include "base/loader/object_file.hh" 352454SN/A#include "base/misc.hh" 362680Sktlim@umich.edu#include "cpu/thread_context.hh" 372474SN/A#include "sim/system.hh" 382207SN/A 392207SN/A 402474SN/Ausing namespace AlphaISA; 412474SN/Ausing namespace std; 422474SN/A 435154Sgblack@eecs.umich.eduAlphaLiveProcess::AlphaLiveProcess(LiveProcessParams * params, 445154Sgblack@eecs.umich.edu ObjectFile *objFile) 455154Sgblack@eecs.umich.edu : LiveProcess(params, objFile) 462474SN/A{ 472474SN/A brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); 482474SN/A brk_point = roundUp(brk_point, VMPageSize); 492474SN/A 502474SN/A // Set up stack. On Alpha, stack goes below text section. This 512474SN/A // code should get moved to some architecture-specific spot. 522474SN/A stack_base = objFile->textBase() - (409600+4096); 532474SN/A 542474SN/A // Set up region for mmaps. Tru64 seems to start just above 0 and 552474SN/A // grow up from there. 562474SN/A mmap_start = mmap_end = 0x10000; 572474SN/A 582474SN/A // Set pointer for next thread stack. Reserve 8M for main stack. 592474SN/A next_thread_stack_base = stack_base - (8 * 1024 * 1024); 602474SN/A 612474SN/A} 622474SN/A 632474SN/Avoid 642474SN/AAlphaLiveProcess::startup() 652474SN/A{ 665183Ssaidi@eecs.umich.edu if (checkpointRestored) 675183Ssaidi@eecs.umich.edu return; 685183Ssaidi@eecs.umich.edu 692474SN/A argsInit(MachineBytes, VMPageSize); 702474SN/A 712680Sktlim@umich.edu threadContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer()); 724997Sgblack@eecs.umich.edu //Opperate in user mode 734997Sgblack@eecs.umich.edu threadContexts[0]->setMiscRegNoEffect(IPR_ICM, 0x18); 744997Sgblack@eecs.umich.edu //No super page mapping 754997Sgblack@eecs.umich.edu threadContexts[0]->setMiscRegNoEffect(IPR_MCSR, 0); 764997Sgblack@eecs.umich.edu //Set this to 0 for now, but it should be unique for each process 774997Sgblack@eecs.umich.edu threadContexts[0]->setMiscRegNoEffect(IPR_DTB_ASN, M5_pid << 57); 782474SN/A} 792474SN/A 802474SN/A 81