| /* |
| * 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 |
| */ |
| |
| #include "arch/alpha/isa_traits.hh" |
| #include "arch/alpha/process.hh" |
| #include "base/loader/object_file.hh" |
| #include "base/misc.hh" |
| #include "cpu/thread_context.hh" |
| #include "sim/system.hh" |
| |
| |
| using namespace AlphaISA; |
| using namespace std; |
| |
| AlphaLiveProcess::AlphaLiveProcess(LiveProcessParams * params, |
| ObjectFile *objFile) |
| : LiveProcess(params, objFile) |
| { |
| brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); |
| brk_point = roundUp(brk_point, VMPageSize); |
| |
| // Set up stack. On Alpha, stack goes below text section. This |
| // code should get moved to some architecture-specific spot. |
| stack_base = objFile->textBase() - (409600+4096); |
| |
| // Set up region for mmaps. Tru64 seems to start just above 0 and |
| // grow up from there. |
| mmap_start = mmap_end = 0x10000; |
| |
| // Set pointer for next thread stack. Reserve 8M for main stack. |
| next_thread_stack_base = stack_base - (8 * 1024 * 1024); |
| |
| } |
| |
| void |
| AlphaLiveProcess::startup() |
| { |
| if (checkpointRestored) |
| return; |
| |
| argsInit(MachineBytes, VMPageSize); |
| |
| threadContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer()); |
| //Opperate in user mode |
| threadContexts[0]->setMiscRegNoEffect(IPR_ICM, 0x18); |
| //No super page mapping |
| threadContexts[0]->setMiscRegNoEffect(IPR_MCSR, 0); |
| //Set this to 0 for now, but it should be unique for each process |
| threadContexts[0]->setMiscRegNoEffect(IPR_DTB_ASN, M5_pid << 57); |
| } |
| |
| |