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/*
* Copyright (c) 2008 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
*/
#include "arch/x86/x86_traits.hh"
#include "base/range.hh"
#include "dev/x86/pc.hh"
#include "dev/x86/south_bridge/south_bridge.hh"
using namespace X86ISA;
void
SouthBridge::addDevice(X86ISA::SubDevice & sub)
{
rangeList.push_back(sub.addrRange);
rangeMap.insert(sub.addrRange, &sub);
}
void
SouthBridge::addressRanges(AddrRangeList &range_list)
{
range_list = rangeList;
}
Tick
SouthBridge::read(PacketPtr pkt)
{
RangeMapIt sub =
rangeMap.find(RangeSize(pkt->getAddr(), 1));
assert(sub != rangeMap.end());
return sub->second->read(pkt);
}
Tick
SouthBridge::write(PacketPtr pkt)
{
RangeMapIt sub =
rangeMap.find(RangeSize(pkt->getAddr(), 1));
assert(sub != rangeMap.end());
return sub->second->write(pkt);
}
SouthBridge::SouthBridge(const Params *p) : PioDevice(p),
pit(this, p->name + ".pit", 0x40, 4, p->pio_latency),
speaker(&pit, 0x61, 1, p->pio_latency)
{
addDevice(pit);
addDevice(speaker);
// Let the platform know where we are
PC * pc = dynamic_cast<PC *>(platform);
assert(pc);
pc->southBridge = this;
}
SouthBridge *
SouthBridgeParams::create()
{
return new SouthBridge(this);
}
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