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/*
* 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;
using namespace TheISA;
BadDevice::BadDevice(const string &name, Addr a, MemoryController *mmu,
HierParams *hier, Bus *pio_bus, const string &devicename)
: PioDevice(name, NULL), addr(a), devname(devicename)
{
mmu->add_child(this, RangeSize(addr, size));
if (pio_bus) {
pioInterface = newPioInterface(name, hier, pio_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 NoFault;
}
Fault
BadDevice::write(MemReqPtr &req, const uint8_t *data)
{
panic("Device %s not imlpmented\n", devname);
return NoFault;
}
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*> pio_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(pio_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, pio_bus,
devicename);
}
REGISTER_SIM_OBJECT("BadDevice", BadDevice)
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