| /* |
| * Copyright (c) 2004-2005 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. |
| */ |
| |
| /** @file |
| * BadDevice implemenation |
| */ |
| |
| #include <deque> |
| #include <string> |
| #include <vector> |
| |
| #include "base/trace.hh" |
| #include "cpu/exec_context.hh" |
| #include "dev/baddev.hh" |
| #include "dev/platform.hh" |
| #include "mem/bus/bus.hh" |
| #include "mem/bus/pio_interface.hh" |
| #include "mem/bus/pio_interface_impl.hh" |
| #include "mem/functional/memory_control.hh" |
| #include "sim/builder.hh" |
| #include "sim/system.hh" |
| |
| using namespace std; |
| |
| BadDevice::BadDevice(const string &name, Addr a, MemoryController *mmu, |
| HierParams *hier, Bus *bus, const string &devicename) |
| : PioDevice(name, NULL), addr(a), devname(devicename) |
| { |
| mmu->add_child(this, RangeSize(addr, size)); |
| |
| if (bus) { |
| pioInterface = newPioInterface(name, hier, bus, this, |
| &BadDevice::cacheAccess); |
| pioInterface->addAddrRange(RangeSize(addr, size)); |
| } |
| |
| } |
| |
| Fault |
| BadDevice::read(MemReqPtr &req, uint8_t *data) |
| { |
| |
| panic("Device %s not imlpmented\n", devname); |
| return No_Fault; |
| } |
| |
| Fault |
| BadDevice::write(MemReqPtr &req, const uint8_t *data) |
| { |
| panic("Device %s not imlpmented\n", devname); |
| return No_Fault; |
| } |
| |
| Tick |
| BadDevice::cacheAccess(MemReqPtr &req) |
| { |
| return curTick; |
| } |
| |
| BEGIN_DECLARE_SIM_OBJECT_PARAMS(BadDevice) |
| |
| SimObjectParam<Platform *> platform; |
| SimObjectParam<MemoryController *> mmu; |
| Param<Addr> addr; |
| SimObjectParam<HierParams *> hier; |
| SimObjectParam<Bus*> io_bus; |
| Param<Tick> pio_latency; |
| Param<string> devicename; |
| |
| END_DECLARE_SIM_OBJECT_PARAMS(BadDevice) |
| |
| BEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice) |
| |
| INIT_PARAM(platform, "Platform"), |
| INIT_PARAM(mmu, "Memory Controller"), |
| INIT_PARAM(addr, "Device Address"), |
| INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams), |
| INIT_PARAM_DFLT(io_bus, "The IO Bus to attach to", NULL), |
| INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000), |
| INIT_PARAM(devicename, "Name of device to error on") |
| |
| END_INIT_SIM_OBJECT_PARAMS(BadDevice) |
| |
| CREATE_SIM_OBJECT(BadDevice) |
| { |
| return new BadDevice(getInstanceName(), addr, mmu, hier, io_bus, |
| devicename); |
| } |
| |
| REGISTER_SIM_OBJECT("BadDevice", BadDevice) |