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/*
* Copyright 2019 Google, Inc.
*
* 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 "dev/intpin.hh"
#include "base/logging.hh"
void
IntSinkPinBase::bind(Port &peer)
{
source = dynamic_cast<IntSourcePinBase *>(&peer);
fatal_if(!source, "Attempt to bind interrupt sink pin %s to "
"incompatible port %s.", name(), peer.name());
Port::bind(peer);
}
void
IntSinkPinBase::unbind()
{
source = nullptr;
Port::unbind();
}
void
IntSourcePinBase::bind(Port &peer)
{
sink = dynamic_cast<IntSinkPinBase *>(&peer);
fatal_if(!sink, "Attempt to bind interrupt source pin %s to "
"incompatible port %s.", name(), peer.name());
Port::bind(peer);
if (_state)
raise();
else
lower();
}
void
IntSourcePinBase::unbind()
{
sink = nullptr;
Port::unbind();
}
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