112653Sandreas.sandberg@arm.com/* 212653Sandreas.sandberg@arm.com * Copyright (c) 2017-2018 ARM Limited 312653Sandreas.sandberg@arm.com * All rights reserved 412653Sandreas.sandberg@arm.com * 512653Sandreas.sandberg@arm.com * The license below extends only to copyright in the software and shall 612653Sandreas.sandberg@arm.com * not be construed as granting a license to any other intellectual 712653Sandreas.sandberg@arm.com * property including but not limited to intellectual property relating 812653Sandreas.sandberg@arm.com * to a hardware implementation of the functionality of the software 912653Sandreas.sandberg@arm.com * licensed hereunder. You may use the software subject to the license 1012653Sandreas.sandberg@arm.com * terms below provided that you ensure that this notice is replicated 1112653Sandreas.sandberg@arm.com * unmodified and in its entirety in all distributions of the software, 1212653Sandreas.sandberg@arm.com * modified or unmodified, in source code or in binary form. 1312653Sandreas.sandberg@arm.com * 1412653Sandreas.sandberg@arm.com * Copyright (c) 2008 The Regents of The University of Michigan 1512653Sandreas.sandberg@arm.com * All rights reserved. 1612653Sandreas.sandberg@arm.com * 1712653Sandreas.sandberg@arm.com * Redistribution and use in source and binary forms, with or without 1812653Sandreas.sandberg@arm.com * modification, are permitted provided that the following conditions are 1912653Sandreas.sandberg@arm.com * met: redistributions of source code must retain the above copyright 2012653Sandreas.sandberg@arm.com * notice, this list of conditions and the following disclaimer; 2112653Sandreas.sandberg@arm.com * redistributions in binary form must reproduce the above copyright 2212653Sandreas.sandberg@arm.com * notice, this list of conditions and the following disclaimer in the 2312653Sandreas.sandberg@arm.com * documentation and/or other materials provided with the distribution; 2412653Sandreas.sandberg@arm.com * neither the name of the copyright holders nor the names of its 2512653Sandreas.sandberg@arm.com * contributors may be used to endorse or promote products derived from 2612653Sandreas.sandberg@arm.com * this software without specific prior written permission. 2712653Sandreas.sandberg@arm.com * 2812653Sandreas.sandberg@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2912653Sandreas.sandberg@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 3012653Sandreas.sandberg@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 3112653Sandreas.sandberg@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3212653Sandreas.sandberg@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3312653Sandreas.sandberg@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3412653Sandreas.sandberg@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3512653Sandreas.sandberg@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3612653Sandreas.sandberg@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3712653Sandreas.sandberg@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3812653Sandreas.sandberg@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3912653Sandreas.sandberg@arm.com * 4012653Sandreas.sandberg@arm.com * Authors: Gabe Black 4112653Sandreas.sandberg@arm.com * Andreas Sandberg 4212653Sandreas.sandberg@arm.com */ 4312653Sandreas.sandberg@arm.com 4412653Sandreas.sandberg@arm.com#include "dev/ps2/device.hh" 4512653Sandreas.sandberg@arm.com 4612653Sandreas.sandberg@arm.com#include "base/logging.hh" 4712656Sandreas.sandberg@arm.com#include "debug/PS2.hh" 4812660Sandreas.sandberg@arm.com#include "dev/ps2/types.hh" 4912653Sandreas.sandberg@arm.com#include "params/PS2Device.hh" 5012653Sandreas.sandberg@arm.com 5112653Sandreas.sandberg@arm.comPS2Device::PS2Device(const PS2DeviceParams *p) 5212653Sandreas.sandberg@arm.com : SimObject(p) 5312653Sandreas.sandberg@arm.com{ 5412656Sandreas.sandberg@arm.com inBuffer.reserve(16); 5512653Sandreas.sandberg@arm.com} 5612653Sandreas.sandberg@arm.com 5712653Sandreas.sandberg@arm.comvoid 5812653Sandreas.sandberg@arm.comPS2Device::serialize(CheckpointOut &cp) const 5912653Sandreas.sandberg@arm.com{ 6012653Sandreas.sandberg@arm.com std::vector<uint8_t> buffer(outBuffer.size()); 6112653Sandreas.sandberg@arm.com std::copy(outBuffer.begin(), outBuffer.end(), buffer.begin()); 6212653Sandreas.sandberg@arm.com arrayParamOut(cp, "outBuffer", buffer); 6312656Sandreas.sandberg@arm.com 6412656Sandreas.sandberg@arm.com SERIALIZE_CONTAINER(inBuffer); 6512653Sandreas.sandberg@arm.com} 6612653Sandreas.sandberg@arm.com 6712653Sandreas.sandberg@arm.comvoid 6812653Sandreas.sandberg@arm.comPS2Device::unserialize(CheckpointIn &cp) 6912653Sandreas.sandberg@arm.com{ 7012653Sandreas.sandberg@arm.com std::vector<uint8_t> buffer; 7112653Sandreas.sandberg@arm.com arrayParamIn(cp, "outBuffer", buffer); 7212653Sandreas.sandberg@arm.com for (auto c : buffer) 7312653Sandreas.sandberg@arm.com outBuffer.push_back(c); 7412656Sandreas.sandberg@arm.com 7512656Sandreas.sandberg@arm.com UNSERIALIZE_CONTAINER(inBuffer); 7612653Sandreas.sandberg@arm.com} 7712653Sandreas.sandberg@arm.com 7812653Sandreas.sandberg@arm.comvoid 7912653Sandreas.sandberg@arm.comPS2Device::hostRegDataAvailable(const std::function<void()> &c) 8012653Sandreas.sandberg@arm.com{ 8112653Sandreas.sandberg@arm.com fatal_if(dataAvailableCallback, 8212653Sandreas.sandberg@arm.com "A data pending callback has already been associated with this " 8312653Sandreas.sandberg@arm.com "PS/2 device.\n"); 8412653Sandreas.sandberg@arm.com 8512653Sandreas.sandberg@arm.com dataAvailableCallback = c; 8612653Sandreas.sandberg@arm.com} 8712653Sandreas.sandberg@arm.com 8812653Sandreas.sandberg@arm.comuint8_t 8912653Sandreas.sandberg@arm.comPS2Device::hostRead() 9012653Sandreas.sandberg@arm.com{ 9112653Sandreas.sandberg@arm.com uint8_t data = outBuffer.front(); 9212653Sandreas.sandberg@arm.com outBuffer.pop_front(); 9312653Sandreas.sandberg@arm.com return data; 9412653Sandreas.sandberg@arm.com} 9512653Sandreas.sandberg@arm.com 9612653Sandreas.sandberg@arm.comvoid 9712653Sandreas.sandberg@arm.comPS2Device::hostWrite(uint8_t c) 9812653Sandreas.sandberg@arm.com{ 9912656Sandreas.sandberg@arm.com DPRINTF(PS2, "PS2: Host -> device: %#x\n", c); 10012656Sandreas.sandberg@arm.com inBuffer.push_back(c); 10112656Sandreas.sandberg@arm.com if (recv(inBuffer)) 10212656Sandreas.sandberg@arm.com inBuffer.clear(); 10312653Sandreas.sandberg@arm.com} 10412653Sandreas.sandberg@arm.com 10512653Sandreas.sandberg@arm.comvoid 10612653Sandreas.sandberg@arm.comPS2Device::send(const uint8_t *data, size_t size) 10712653Sandreas.sandberg@arm.com{ 10812653Sandreas.sandberg@arm.com assert(data || size == 0); 10912653Sandreas.sandberg@arm.com while (size) { 11012656Sandreas.sandberg@arm.com DPRINTF(PS2, "PS2: Device -> host: %#x\n", *data); 11112653Sandreas.sandberg@arm.com outBuffer.push_back(*(data++)); 11212653Sandreas.sandberg@arm.com size--; 11312653Sandreas.sandberg@arm.com } 11412653Sandreas.sandberg@arm.com 11512653Sandreas.sandberg@arm.com // Registering a callback is optional. 11612653Sandreas.sandberg@arm.com if (dataAvailableCallback) 11712653Sandreas.sandberg@arm.com dataAvailableCallback(); 11812653Sandreas.sandberg@arm.com} 11912653Sandreas.sandberg@arm.com 12012653Sandreas.sandberg@arm.comvoid 12112653Sandreas.sandberg@arm.comPS2Device::sendAck() 12212653Sandreas.sandberg@arm.com{ 12312653Sandreas.sandberg@arm.com send(Ps2::Ack); 12412653Sandreas.sandberg@arm.com} 125