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>
148 lines
4.4 KiB
C++
148 lines
4.4 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_I8042_HH__
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#define __DEV_X86_I8042_HH__
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#include <deque>
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#include "base/bitunion.hh"
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#include "dev/intpin.hh"
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#include "dev/io_device.hh"
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#include "dev/ps2/device.hh"
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#include "params/I8042.hh"
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namespace X86ISA
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{
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class I8042 : public BasicPioDevice
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{
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protected:
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enum Command
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{
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GetCommandByte = 0x20,
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ReadControllerRamBase = 0x20,
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WriteCommandByte = 0x60,
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WriteControllerRamBase = 0x60,
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CheckForPassword = 0xA4,
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LoadPassword = 0xA5,
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CheckPassword = 0xA6,
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DisableMouse = 0xA7,
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EnableMouse = 0xA8,
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TestMouse = 0xA9,
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SelfTest = 0xAA,
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InterfaceTest = 0xAB,
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DiagnosticDump = 0xAC,
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DisableKeyboard = 0xAD,
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EnableKeyboard = 0xAE,
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ReadInputPort = 0xC0,
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ContinuousPollLow = 0xC1,
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ContinuousPollHigh = 0xC2,
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ReadOutputPort = 0xD0,
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WriteOutputPort = 0xD1,
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WriteKeyboardOutputBuff = 0xD2,
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WriteMouseOutputBuff = 0xD3,
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WriteToMouse = 0xD4,
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DisableA20 = 0xDD,
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EnableA20 = 0xDF,
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ReadTestInputs = 0xE0,
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PulseOutputBitBase = 0xF0,
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SystemReset = 0xFE
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};
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BitUnion8(StatusReg)
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Bitfield<7> parityError;
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Bitfield<6> timeout;
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Bitfield<5> mouseOutputFull;
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Bitfield<4> keyboardUnlocked;
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Bitfield<3> commandLast;
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Bitfield<2> passedSelfTest;
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Bitfield<1> inputFull;
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Bitfield<0> outputFull;
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EndBitUnion(StatusReg)
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BitUnion8(CommandByte)
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Bitfield<6> convertScanCodes;
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Bitfield<5> disableMouse;
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Bitfield<4> disableKeyboard;
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Bitfield<2> passedSelfTest;
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Bitfield<1> mouseFullInt;
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Bitfield<0> keyboardFullInt;
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EndBitUnion(CommandByte)
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Tick latency;
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Addr dataPort;
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Addr commandPort;
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StatusReg statusReg;
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CommandByte commandByte;
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uint8_t dataReg;
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static const uint16_t NoCommand = (uint16_t)(-1);
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uint16_t lastCommand;
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std::vector<IntSourcePin<I8042> *> mouseIntPin;
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std::vector<IntSourcePin<I8042> *> keyboardIntPin;
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PS2Device *mouse;
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PS2Device *keyboard;
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void writeData(uint8_t newData, bool mouse = false);
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uint8_t readDataOut();
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public:
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using Params = I8042Params;
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I8042(const Params &p);
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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 == "mouse_int_pin")
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return *mouseIntPin.at(idx);
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else if (if_name == "keyboard_int_pin")
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return *keyboardIntPin.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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AddrRangeList getAddrRanges() const override;
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Tick read(PacketPtr pkt) override;
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Tick write(PacketPtr pkt) override;
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void serialize(CheckpointOut &cp) const override;
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void unserialize(CheckpointIn &cp) override;
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};
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} // namespace X86ISA
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#endif //__DEV_X86_I8042_HH__
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