41928dac80
Lots of times the params() helper has been defined but not used Change-Id: Id71829aca71341d46964d8f071099342b946b62f Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41613 Tested-by: kokoro <noreply+kokoro@google.com>
126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
/*
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* Copyright (c) 2008 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __DEV_X86_I8254_HH__
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#define __DEV_X86_I8254_HH__
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#include "dev/intel_8254_timer.hh"
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#include "dev/intpin.hh"
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#include "dev/io_device.hh"
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#include "params/I8254.hh"
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namespace X86ISA
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{
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class I8254 : public BasicPioDevice
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{
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protected:
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Tick latency;
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class X86Intel8254Timer : public Intel8254Timer
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{
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protected:
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I8254 * parent;
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void
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counterInterrupt(unsigned int num)
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{
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parent->counterInterrupt(num);
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}
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public:
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X86Intel8254Timer(const std::string &name, I8254 * _parent) :
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Intel8254Timer(_parent, name), parent(_parent)
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{}
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};
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X86Intel8254Timer pit;
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std::vector<IntSourcePin<I8254> *> intPin;
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void counterInterrupt(unsigned int num);
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public:
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using Params = I8254Params;
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Port &
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getPort(const std::string &if_name, PortID idx=InvalidPortID) override
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{
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if (if_name == "int_pin")
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return *intPin.at(idx);
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else
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return BasicPioDevice::getPort(if_name, idx);
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}
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I8254(const Params &p) : BasicPioDevice(p, 4), latency(p.pio_latency),
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pit(p.name, this)
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{
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for (int i = 0; i < p.port_int_pin_connection_count; i++) {
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intPin.push_back(new IntSourcePin<I8254>(csprintf(
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"%s.int_pin[%d]", name(), i), i, this));
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}
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}
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Tick read(PacketPtr pkt) override;
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Tick write(PacketPtr pkt) override;
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bool
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outputHigh(unsigned int num)
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{
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return pit.outputHigh(num);
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}
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uint8_t
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readCounter(unsigned int num)
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{
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return pit.readCounter(num);
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}
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void
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writeCounter(unsigned int num, const uint8_t data)
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{
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pit.writeCounter(num, data);
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}
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void
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writeControl(uint8_t val)
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{
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pit.writeControl(val);
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}
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void serialize(CheckpointOut &cp) const override;
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void unserialize(CheckpointIn &cp) override;
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void startup() override;
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};
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} // namespace X86ISA
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#endif //__DEV_X86_SOUTH_BRIDGE_I8254_HH__
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