baddev.cc revision 1762
112855Sgabeblack@google.com/* 212855Sgabeblack@google.com * Copyright (c) 2004-2005 The Regents of The University of Michigan 312855Sgabeblack@google.com * All rights reserved. 412855Sgabeblack@google.com * 512855Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 612855Sgabeblack@google.com * modification, are permitted provided that the following conditions are 712855Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 812855Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 912855Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 1012855Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1112855Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1212855Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1312855Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1412855Sgabeblack@google.com * this software without specific prior written permission. 1512855Sgabeblack@google.com * 1612855Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712855Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812855Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912855Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012855Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112855Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212855Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312855Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412855Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512855Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612855Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2712855Sgabeblack@google.com */ 2812855Sgabeblack@google.com 2912855Sgabeblack@google.com/** @file 3012855Sgabeblack@google.com * BadDevice implemenation 3112855Sgabeblack@google.com */ 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com#include <deque> 3412855Sgabeblack@google.com#include <string> 3512855Sgabeblack@google.com#include <vector> 3612855Sgabeblack@google.com 3712855Sgabeblack@google.com#include "base/trace.hh" 3812855Sgabeblack@google.com#include "cpu/exec_context.hh" 3912855Sgabeblack@google.com#include "dev/baddev.hh" 4012855Sgabeblack@google.com#include "dev/platform.hh" 4112855Sgabeblack@google.com#include "mem/bus/bus.hh" 4212855Sgabeblack@google.com#include "mem/bus/pio_interface.hh" 4312855Sgabeblack@google.com#include "mem/bus/pio_interface_impl.hh" 4412855Sgabeblack@google.com#include "mem/functional/memory_control.hh" 4512855Sgabeblack@google.com#include "sim/builder.hh" 4612855Sgabeblack@google.com#include "sim/system.hh" 4712855Sgabeblack@google.com 4812855Sgabeblack@google.comusing namespace std; 4912855Sgabeblack@google.com 5012855Sgabeblack@google.comBadDevice::BadDevice(const string &name, Addr a, MemoryController *mmu, 5112855Sgabeblack@google.com HierParams *hier, Bus *bus, const string &devicename) 5212855Sgabeblack@google.com : PioDevice(name, NULL), addr(a), devname(devicename) 5312855Sgabeblack@google.com{ 5412855Sgabeblack@google.com mmu->add_child(this, RangeSize(addr, size)); 5512855Sgabeblack@google.com 5612855Sgabeblack@google.com if (bus) { 5712855Sgabeblack@google.com pioInterface = newPioInterface(name, hier, bus, this, 5812855Sgabeblack@google.com &BadDevice::cacheAccess); 5912855Sgabeblack@google.com pioInterface->addAddrRange(RangeSize(addr, size)); 6012855Sgabeblack@google.com } 6112855Sgabeblack@google.com 6212855Sgabeblack@google.com} 6312855Sgabeblack@google.com 6412855Sgabeblack@google.comFault 6512855Sgabeblack@google.comBadDevice::read(MemReqPtr &req, uint8_t *data) 6612855Sgabeblack@google.com{ 6712855Sgabeblack@google.com 6812855Sgabeblack@google.com panic("Device %s not imlpmented\n", devname); 6912855Sgabeblack@google.com return No_Fault; 7012855Sgabeblack@google.com} 7112855Sgabeblack@google.com 7212855Sgabeblack@google.comFault 7312855Sgabeblack@google.comBadDevice::write(MemReqPtr &req, const uint8_t *data) 7412855Sgabeblack@google.com{ 7512855Sgabeblack@google.com panic("Device %s not imlpmented\n", devname); 7612855Sgabeblack@google.com return No_Fault; 7712855Sgabeblack@google.com} 7812855Sgabeblack@google.com 7912855Sgabeblack@google.comTick 8012855Sgabeblack@google.comBadDevice::cacheAccess(MemReqPtr &req) 8112855Sgabeblack@google.com{ 8212855Sgabeblack@google.com return curTick; 8312855Sgabeblack@google.com} 8412855Sgabeblack@google.com 8512855Sgabeblack@google.comBEGIN_DECLARE_SIM_OBJECT_PARAMS(BadDevice) 8612855Sgabeblack@google.com 8712855Sgabeblack@google.com SimObjectParam<Platform *> platform; 8812855Sgabeblack@google.com SimObjectParam<MemoryController *> mmu; 8912855Sgabeblack@google.com Param<Addr> addr; 9012855Sgabeblack@google.com SimObjectParam<HierParams *> hier; 9112855Sgabeblack@google.com SimObjectParam<Bus*> io_bus; 9212855Sgabeblack@google.com Param<Tick> pio_latency; 9312855Sgabeblack@google.com Param<string> devicename; 9412855Sgabeblack@google.com 9512855Sgabeblack@google.comEND_DECLARE_SIM_OBJECT_PARAMS(BadDevice) 9612855Sgabeblack@google.com 9712855Sgabeblack@google.comBEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice) 9812855Sgabeblack@google.com 9912855Sgabeblack@google.com INIT_PARAM(platform, "Platform"), 10012855Sgabeblack@google.com INIT_PARAM(mmu, "Memory Controller"), 10112855Sgabeblack@google.com INIT_PARAM(addr, "Device Address"), 10212855Sgabeblack@google.com INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams), 10312855Sgabeblack@google.com INIT_PARAM_DFLT(io_bus, "The IO Bus to attach to", NULL), 10412855Sgabeblack@google.com INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000), 10512855Sgabeblack@google.com INIT_PARAM(devicename, "Name of device to error on") 10612855Sgabeblack@google.com 10712855Sgabeblack@google.comEND_INIT_SIM_OBJECT_PARAMS(BadDevice) 10812855Sgabeblack@google.com 10912855Sgabeblack@google.comCREATE_SIM_OBJECT(BadDevice) 11012855Sgabeblack@google.com{ 11112855Sgabeblack@google.com return new BadDevice(getInstanceName(), addr, mmu, hier, io_bus, 11212855Sgabeblack@google.com devicename); 11312855Sgabeblack@google.com} 11412855Sgabeblack@google.com 11512855Sgabeblack@google.comREGISTER_SIM_OBJECT("BadDevice", BadDevice) 11612855Sgabeblack@google.com