1/* 2 * Copyright (c) 2017-2018 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 30 unchanged lines hidden (view full) --- 39 * 40 * Authors: Gabe Black 41 * Andreas Sandberg 42 */ 43 44#include "dev/ps2/device.hh" 45 46#include "base/logging.hh" |
47#include "debug/PS2.hh" |
48#include "dev/ps2.hh" 49#include "params/PS2Device.hh" 50 51PS2Device::PS2Device(const PS2DeviceParams *p) 52 : SimObject(p) 53{ |
54 inBuffer.reserve(16); |
55} 56 57void 58PS2Device::serialize(CheckpointOut &cp) const 59{ 60 std::vector<uint8_t> buffer(outBuffer.size()); 61 std::copy(outBuffer.begin(), outBuffer.end(), buffer.begin()); 62 arrayParamOut(cp, "outBuffer", buffer); |
63 64 SERIALIZE_CONTAINER(inBuffer); |
65} 66 67void 68PS2Device::unserialize(CheckpointIn &cp) 69{ 70 std::vector<uint8_t> buffer; 71 arrayParamIn(cp, "outBuffer", buffer); 72 for (auto c : buffer) 73 outBuffer.push_back(c); |
74 75 UNSERIALIZE_CONTAINER(inBuffer); |
76} 77 78void 79PS2Device::hostRegDataAvailable(const std::function<void()> &c) 80{ 81 fatal_if(dataAvailableCallback, 82 "A data pending callback has already been associated with this " 83 "PS/2 device.\n"); --- 7 unchanged lines hidden (view full) --- 91 uint8_t data = outBuffer.front(); 92 outBuffer.pop_front(); 93 return data; 94} 95 96void 97PS2Device::hostWrite(uint8_t c) 98{ |
99 DPRINTF(PS2, "PS2: Host -> device: %#x\n", c); 100 inBuffer.push_back(c); 101 if (recv(inBuffer)) 102 inBuffer.clear(); |
103} 104 105void 106PS2Device::send(const uint8_t *data, size_t size) 107{ 108 assert(data || size == 0); 109 while (size) { |
110 DPRINTF(PS2, "PS2: Device -> host: %#x\n", *data); |
111 outBuffer.push_back(*(data++)); 112 size--; 113 } 114 115 // Registering a callback is optional. 116 if (dataAvailableCallback) 117 dataAvailableCallback(); 118} 119 120void 121PS2Device::sendAck() 122{ 123 send(Ps2::Ack); 124} |