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-rw-r--r--src/dev/x86/i8042.cc513
-rw-r--r--src/dev/x86/i8042.hh169
2 files changed, 357 insertions, 325 deletions
diff --git a/src/dev/x86/i8042.cc b/src/dev/x86/i8042.cc
index 7dff49823..78ce307ae 100644
--- a/src/dev/x86/i8042.cc
+++ b/src/dev/x86/i8042.cc
@@ -36,79 +36,12 @@
// The 8042 has a whopping 32 bytes of internal RAM.
const uint8_t RamSize = 32;
const uint8_t NumOutputBits = 14;
-const uint8_t KeyboardID[] = {0xab, 0x83};
-const uint8_t MouseID[] = {0x00};
+const uint8_t X86ISA::PS2Keyboard::ID[] = {0xab, 0x83};
+const uint8_t X86ISA::PS2Mouse::ID[] = {0x00};
const uint8_t CommandAck = 0xfa;
const uint8_t CommandNack = 0xfe;
const uint8_t BatSuccessful = 0xaa;
-enum Port64Command
-{
- GetCommandByte = 0x20,
- ReadControllerRamBase = 0x20,
- WriteCommandByte = 0x60,
- WriteControllerRamBase = 0x60,
- CheckForPassword = 0xA4,
- LoadPassword = 0xA5,
- CheckPassword = 0xA6,
- DisableMouse = 0xA7,
- EnableMouse = 0xA8,
- TestMouse = 0xA9,
- SelfTest = 0xAA,
- InterfaceTest = 0xAB,
- DiagnosticDump = 0xAC,
- DisableKeyboard = 0xAD,
- EnableKeyboard = 0xAE,
- ReadInputPort = 0xC0,
- ContinuousPollLow = 0xC1,
- ContinuousPollHigh = 0xC2,
- ReadOutputPort = 0xD0,
- WriteOutputPort = 0xD1,
- WriteKeyboardOutputBuff = 0xD2,
- WriteMouseOutputBuff = 0xD3,
- WriteToMouse = 0xD4,
- DisableA20 = 0xDD,
- EnableA20 = 0xDF,
- ReadTestInputs = 0xE0,
- PulseOutputBitBase = 0xF0,
- SystemReset = 0xFE
-};
-
-enum Port60Command
-{
- MouseScale1to1 = 0xE6,
- MouseScale2to1 = 0xE7,
- SetMouseResolution = 0xE8,
- MouseGetStatus = 0xE9,
- MouseReadData = 0xEB,
- MouseResetWrapMode = 0xEC,
- LEDWrite = 0xED,
- DiagnosticEcho = 0xEE,
- MouseWrapMode = 0xEE,
- AlternateScanCodes = 0xF0,
- MouseRemoteMode = 0xF0,
- ReadKeyboardID = 0xF2,
- ReadMouseID = 0xF2,
- TypematicInfo = 0xF3,
- MouseSampleRate = 0xF3,
- KeyboardEnable = 0xF4,
- MouseEnableReporting = 0xF4,
- KeyboardDisable = 0xF5,
- MouseDisableReporting = 0xF5,
- DefaultsAndDisableKeyboard = 0xF6,
- DefaultsAndDisableMouse = 0xF6,
- AllKeysToTypematic = 0xF7,
- AllKeysToMakeRelease = 0xF8,
- AllKeysToMake = 0xF9,
- AllKeysToTypematicMakeRelease = 0xFA,
- KeyToTypematic = 0xFB,
- KeyToMakeRelease = 0xFC,
- KeyToMakeOnly = 0xFD,
- Resend = 0xFE,
- KeyboardReset = 0xFF,
- MouseReset = 0xFF
-};
-
void
X86ISA::I8042::addressRanges(AddrRangeList &range_list)
{
@@ -117,80 +50,46 @@ X86ISA::I8042::addressRanges(AddrRangeList &range_list)
range_list.push_back(RangeSize(commandPort, 1));
}
-bool
-X86ISA::I8042::writeData(uint8_t newData, bool mouse)
-{
- if (!statusReg.outputFull) {
- DPRINTF(I8042, "Set data %#02x.\n", newData);
- dataReg = newData;
- statusReg.outputFull = 1;
- statusReg.mouseOutputFull = (mouse ? 1 : 0);
- return true;
- } else {
- return false;
- }
-}
-
-void
-X86ISA::I8042::keyboardAck()
-{
- while (!keyboardBuffer.empty())
- keyboardBuffer.pop();
- writeKeyboardData(&CommandAck, sizeof(CommandAck));
-}
-
void
-X86ISA::I8042::writeKeyboardData(const uint8_t *data, int size)
+X86ISA::I8042::writeData(uint8_t newData, bool mouse)
{
- assert(data || size == 0);
- while (size) {
- keyboardBuffer.push(*(data++));
- size--;
- }
- if (writeData(keyboardBuffer.front())) {
- keyboardBuffer.pop();
- if (commandByte.keyboardFullInt) {
- DPRINTF(I8042, "Sending keyboard interrupt.\n");
- keyboardIntPin->raise();
- //XXX This is a hack.
- keyboardIntPin->lower();
- }
+ DPRINTF(I8042, "Set data %#02x.\n", newData);
+ dataReg = newData;
+ statusReg.outputFull = 1;
+ statusReg.mouseOutputFull = (mouse ? 1 : 0);
+ if (!mouse && commandByte.keyboardFullInt) {
+ DPRINTF(I8042, "Sending keyboard interrupt.\n");
+ keyboardIntPin->raise();
+ //This is a hack
+ keyboardIntPin->lower();
+ } else if (mouse && commandByte.mouseFullInt) {
+ DPRINTF(I8042, "Sending mouse interrupt.\n");
+ mouseIntPin->raise();
+ //This is a hack
+ mouseIntPin->lower();
}
}
void
-X86ISA::I8042::mouseAck()
+X86ISA::PS2Device::ack()
{
- while (!mouseBuffer.empty())
- mouseBuffer.pop();
- writeMouseData(&CommandAck, sizeof(CommandAck));
+ bufferData(&CommandAck, sizeof(CommandAck));
}
void
-X86ISA::I8042::mouseNack()
+X86ISA::PS2Device::nack()
{
- while (!mouseBuffer.empty())
- mouseBuffer.pop();
- writeMouseData(&CommandNack, sizeof(CommandAck));
+ bufferData(&CommandNack, sizeof(CommandNack));
}
void
-X86ISA::I8042::writeMouseData(const uint8_t *data, int size)
+X86ISA::PS2Device::bufferData(const uint8_t *data, int size)
{
assert(data || size == 0);
while (size) {
- mouseBuffer.push(*(data++));
+ outBuffer.push(*(data++));
size--;
}
- if (writeData(mouseBuffer.front(), true)) {
- mouseBuffer.pop();
- if (commandByte.mouseFullInt) {
- DPRINTF(I8042, "Sending mouse interrupt.\n");
- mouseIntPin->raise();
- //XXX This is a hack
- mouseIntPin->lower();
- }
- }
}
uint8_t
@@ -199,15 +98,196 @@ X86ISA::I8042::readDataOut()
uint8_t data = dataReg;
statusReg.outputFull = 0;
statusReg.mouseOutputFull = 0;
- if (!keyboardBuffer.empty()) {
- writeKeyboardData(NULL, 0);
- }
- if (!mouseBuffer.empty()) {
- writeMouseData(NULL, 0);
+ if (keyboard.hasData()) {
+ writeData(keyboard.getData(), false);
+ } else if (mouse.hasData()) {
+ writeData(mouse.getData(), true);
}
return data;
}
+bool
+X86ISA::PS2Keyboard::processData(uint8_t data)
+{
+ if (lastCommand != NoCommand) {
+ switch (lastCommand) {
+ case LEDWrite:
+ DPRINTF(I8042, "Setting LEDs: "
+ "caps lock %s, num lock %s, scroll lock %s\n",
+ bits(data, 2) ? "on" : "off",
+ bits(data, 1) ? "on" : "off",
+ bits(data, 0) ? "on" : "off");
+ ack();
+ lastCommand = NoCommand;
+ break;
+ case TypematicInfo:
+ DPRINTF(I8042, "Setting typematic info to %#02x.\n", data);
+ ack();
+ lastCommand = NoCommand;
+ break;
+ }
+ return hasData();
+ }
+ switch (data) {
+ case LEDWrite:
+ DPRINTF(I8042, "Got LED write command.\n");
+ ack();
+ lastCommand = LEDWrite;
+ break;
+ case DiagnosticEcho:
+ panic("Keyboard diagnostic echo unimplemented.\n");
+ case AlternateScanCodes:
+ panic("Accessing alternate scan codes unimplemented.\n");
+ case ReadID:
+ DPRINTF(I8042, "Got keyboard read ID command.\n");
+ ack();
+ bufferData((uint8_t *)&ID, sizeof(ID));
+ break;
+ case TypematicInfo:
+ DPRINTF(I8042, "Setting typematic info.\n");
+ ack();
+ lastCommand = TypematicInfo;
+ break;
+ case Enable:
+ DPRINTF(I8042, "Enabling the keyboard.\n");
+ ack();
+ break;
+ case Disable:
+ DPRINTF(I8042, "Disabling the keyboard.\n");
+ ack();
+ break;
+ case DefaultsAndDisable:
+ DPRINTF(I8042, "Disabling and resetting the keyboard.\n");
+ ack();
+ break;
+ case AllKeysToTypematic:
+ panic("Setting all keys to typemantic unimplemented.\n");
+ case AllKeysToMakeRelease:
+ panic("Setting all keys to make/release unimplemented.\n");
+ case AllKeysToMake:
+ panic("Setting all keys to make unimplemented.\n");
+ case AllKeysToTypematicMakeRelease:
+ panic("Setting all keys to "
+ "typematic/make/release unimplemented.\n");
+ case KeyToTypematic:
+ panic("Setting a key to typematic unimplemented.\n");
+ case KeyToMakeRelease:
+ panic("Setting a key to make/release unimplemented.\n");
+ case KeyToMakeOnly:
+ panic("Setting key to make only unimplemented.\n");
+ case Resend:
+ panic("Keyboard resend unimplemented.\n");
+ case Reset:
+ panic("Keyboard reset unimplemented.\n");
+ default:
+ panic("Unknown keyboard command %#02x.\n", data);
+ }
+ return hasData();
+}
+
+bool
+X86ISA::PS2Mouse::processData(uint8_t data)
+{
+ if (lastCommand != NoCommand) {
+ switch(lastCommand) {
+ case SetResolution:
+ DPRINTF(I8042, "Mouse resolution set to %d.\n", data);
+ resolution = data;
+ ack();
+ lastCommand = NoCommand;
+ break;
+ case SampleRate:
+ DPRINTF(I8042, "Mouse sample rate %d samples "
+ "per second.\n", data);
+ sampleRate = data;
+ ack();
+ lastCommand = NoCommand;
+ break;
+ default:
+ panic("Not expecting data for a mouse command.\n");
+ }
+ return hasData();
+ }
+ switch (data) {
+ case Scale1to1:
+ DPRINTF(I8042, "Setting mouse scale to 1:1.\n");
+ status.twoToOne = 0;
+ ack();
+ break;
+ case Scale2to1:
+ DPRINTF(I8042, "Setting mouse scale to 2:1.\n");
+ status.twoToOne = 1;
+ ack();
+ break;
+ case SetResolution:
+ DPRINTF(I8042, "Setting mouse resolution.\n");
+ lastCommand = SetResolution;
+ ack();
+ break;
+ case GetStatus:
+ DPRINTF(I8042, "Getting mouse status.\n");
+ ack();
+ bufferData((uint8_t *)&(status), 1);
+ bufferData(&resolution, sizeof(resolution));
+ bufferData(&sampleRate, sizeof(sampleRate));
+ break;
+ case ReadData:
+ panic("Reading mouse data unimplemented.\n");
+ case ResetWrapMode:
+ panic("Resetting mouse wrap mode unimplemented.\n");
+ case WrapMode:
+ panic("Setting mouse wrap mode unimplemented.\n");
+ case RemoteMode:
+ panic("Setting mouse remote mode unimplemented.\n");
+ case ReadID:
+ DPRINTF(I8042, "Mouse ID requested.\n");
+ ack();
+ bufferData(ID, sizeof(ID));
+ break;
+ case SampleRate:
+ DPRINTF(I8042, "Setting mouse sample rate.\n");
+ lastCommand = SampleRate;
+ ack();
+ break;
+ case DisableReporting:
+ DPRINTF(I8042, "Disabling data reporting.\n");
+ status.enabled = 0;
+ ack();
+ break;
+ case EnableReporting:
+ DPRINTF(I8042, "Enabling data reporting.\n");
+ status.enabled = 1;
+ ack();
+ break;
+ case DefaultsAndDisable:
+ DPRINTF(I8042, "Disabling and resetting mouse.\n");
+ sampleRate = 100;
+ resolution = 4;
+ status.twoToOne = 0;
+ status.enabled = 0;
+ ack();
+ break;
+ case Resend:
+ panic("Mouse resend unimplemented.\n");
+ case Reset:
+ DPRINTF(I8042, "Resetting the mouse.\n");
+ sampleRate = 100;
+ resolution = 4;
+ status.twoToOne = 0;
+ status.enabled = 0;
+ ack();
+ bufferData(&BatSuccessful, sizeof(BatSuccessful));
+ bufferData(ID, sizeof(ID));
+ break;
+ default:
+ warn("Unknown mouse command %#02x.\n", data);
+ nack();
+ break;
+ }
+ return hasData();
+}
+
+
Tick
X86ISA::I8042::read(PacketPtr pkt)
{
@@ -236,178 +316,13 @@ X86ISA::I8042::write(PacketPtr pkt)
statusReg.commandLast = 0;
switch (lastCommand) {
case NoCommand:
- if (lastKeyboardCommand != NoCommand) {
- switch (lastKeyboardCommand) {
- case LEDWrite:
- DPRINTF(I8042, "Setting LEDs: "
- "caps lock %s, num lock %s, scroll lock %s\n",
- bits(data, 2) ? "on" : "off",
- bits(data, 1) ? "on" : "off",
- bits(data, 0) ? "on" : "off");
- keyboardAck();
- lastKeyboardCommand = NoCommand;
- break;
- case TypematicInfo:
- DPRINTF(I8042,
- "Setting typematic info to %#02x.\n", data);
- keyboardAck();
- lastKeyboardCommand = NoCommand;
- break;
- }
- break;
- }
- DPRINTF(I8042, "Got port 0x60 command %#02x.\n", data);
- switch (data) {
- case LEDWrite:
- DPRINTF(I8042, "Got LED write command.\n");
- keyboardAck();
- lastKeyboardCommand = LEDWrite;
- break;
- case DiagnosticEcho:
- panic("Keyboard diagnostic echo unimplemented.\n");
- case AlternateScanCodes:
- panic("Accessing alternate scan codes unimplemented.\n");
- case ReadKeyboardID:
- DPRINTF(I8042, "Got keyboard read ID command.\n");
- keyboardAck();
- writeKeyboardData((uint8_t *)&KeyboardID, sizeof(KeyboardID));
- break;
- case TypematicInfo:
- DPRINTF(I8042, "Setting typematic info.\n");
- keyboardAck();
- lastKeyboardCommand = TypematicInfo;
- break;
- case KeyboardEnable:
- DPRINTF(I8042, "Enabling the keyboard.\n");
- keyboardAck();
- break;
- case KeyboardDisable:
- DPRINTF(I8042, "Disabling the keyboard.\n");
- keyboardAck();
- break;
- case DefaultsAndDisableKeyboard:
- DPRINTF(I8042, "Disabling and resetting the keyboard.\n");
- keyboardAck();
- break;
- case AllKeysToTypematic:
- panic("Setting all keys to typemantic unimplemented.\n");
- case AllKeysToMakeRelease:
- panic("Setting all keys to make/release unimplemented.\n");
- case AllKeysToMake:
- panic("Setting all keys to make unimplemented.\n");
- case AllKeysToTypematicMakeRelease:
- panic("Setting all keys to "
- "typematic/make/release unimplemented.\n");
- case KeyToTypematic:
- panic("Setting a key to typematic unimplemented.\n");
- case KeyToMakeRelease:
- panic("Setting a key to make/release unimplemented.\n");
- case KeyToMakeOnly:
- panic("Setting key to make only unimplemented.\n");
- case Resend:
- panic("Keyboard resend unimplemented.\n");
- case KeyboardReset:
- panic("Keyboard reset unimplemented.\n");
- default:
- panic("Unknown keyboard command %#02x.\n", data);
+ if (keyboard.processData(data)) {
+ writeData(keyboard.getData(), false);
}
break;
case WriteToMouse:
- if (lastMouseCommand != NoCommand) {
- switch(lastMouseCommand) {
- case SetMouseResolution:
- DPRINTF(I8042, "Mouse resolution set to %d.\n", data);
- mouseResolution = data;
- mouseAck();
- lastMouseCommand = NoCommand;
- break;
- case MouseSampleRate:
- DPRINTF(I8042, "Mouse sample rate %d samples "
- "per second.\n", data);
- mouseSampleRate = data;
- mouseAck();
- lastMouseCommand = NoCommand;
- break;
- default:
- panic("Not expecting data for a mouse command.\n");
- }
- break;
- }
- switch (data) {
- case MouseScale1to1:
- DPRINTF(I8042, "Setting mouse scale to 1:1.\n");
- mouseStatus.twoToOne = 0;
- mouseAck();
- break;
- case MouseScale2to1:
- DPRINTF(I8042, "Setting mouse scale to 2:1.\n");
- mouseStatus.twoToOne = 1;
- mouseAck();
- break;
- case SetMouseResolution:
- DPRINTF(I8042, "Setting mouse resolution.\n");
- lastMouseCommand = SetMouseResolution;
- mouseAck();
- break;
- case MouseGetStatus:
- DPRINTF(I8042, "Getting mouse status.\n");
- mouseAck();
- writeMouseData((uint8_t *)&(mouseStatus), 1);
- writeMouseData(&mouseResolution, sizeof(mouseResolution));
- writeMouseData(&mouseSampleRate, sizeof(mouseSampleRate));
- break;
- case MouseReadData:
- panic("Reading mouse data unimplemented.\n");
- case MouseResetWrapMode:
- panic("Resetting mouse wrap mode unimplemented.\n");
- case MouseWrapMode:
- panic("Setting mouse wrap mode unimplemented.\n");
- case MouseRemoteMode:
- panic("Setting mouse remote mode unimplemented.\n");
- case ReadMouseID:
- DPRINTF(I8042, "Mouse ID requested.\n");
- mouseAck();
- writeMouseData(MouseID, sizeof(MouseID));
- break;
- case MouseSampleRate:
- DPRINTF(I8042, "Setting mouse sample rate.\n");
- lastMouseCommand = MouseSampleRate;
- mouseAck();
- break;
- case MouseDisableReporting:
- DPRINTF(I8042, "Disabling data reporting.\n");
- mouseStatus.enabled = 0;
- mouseAck();
- break;
- case MouseEnableReporting:
- DPRINTF(I8042, "Enabling data reporting.\n");
- mouseStatus.enabled = 1;
- mouseAck();
- break;
- case DefaultsAndDisableMouse:
- DPRINTF(I8042, "Disabling and resetting mouse.\n");
- mouseSampleRate = 100;
- mouseResolution = 4;
- mouseStatus.twoToOne = 0;
- mouseStatus.enabled = 0;
- mouseAck();
- break;
- case Resend:
- panic("Keyboard resent unimplemented.\n");
- case MouseReset:
- DPRINTF(I8042, "Resetting the mouse.\n");
- mouseSampleRate = 100;
- mouseResolution = 4;
- mouseStatus.twoToOne = 0;
- mouseStatus.enabled = 0;
- mouseAck();
- writeMouseData(&BatSuccessful, sizeof(BatSuccessful));
- writeMouseData(MouseID, sizeof(MouseID));
- break;
- default:
- warn("Unknown mouse command %#02x.\n", data);
- mouseNack();
- break;
+ if (mouse.processData(data)) {
+ writeData(mouse.getData(), true);
}
break;
case WriteCommandByte:
@@ -419,7 +334,7 @@ X86ISA::I8042::write(PacketPtr pkt)
case WriteMouseOutputBuff:
DPRINTF(I8042, "Got data %#02x for \"Write "
"mouse output buffer\" command.\n", data);
- writeMouseData(&data, sizeof(data));
+ writeData(data, true);
break;
default:
panic("Data written for unrecognized "
diff --git a/src/dev/x86/i8042.hh b/src/dev/x86/i8042.hh
index 7eeb5f7e0..8a941f9a5 100644
--- a/src/dev/x86/i8042.hh
+++ b/src/dev/x86/i8042.hh
@@ -42,9 +42,147 @@ namespace X86ISA
class IntPin;
+class PS2Device
+{
+ protected:
+ std::queue<uint8_t> outBuffer;
+
+ static const uint16_t NoCommand = (uint16_t)(-1);
+
+ uint16_t lastCommand;
+ void bufferData(const uint8_t *data, int size);
+ void ack();
+ void nack();
+
+ public:
+ virtual ~PS2Device()
+ {};
+
+ PS2Device() : lastCommand(NoCommand)
+ {}
+
+ bool hasData()
+ {
+ return !outBuffer.empty();
+ }
+
+ uint8_t getData()
+ {
+ uint8_t data = outBuffer.front();
+ outBuffer.pop();
+ return data;
+ }
+
+ virtual bool processData(uint8_t data) = 0;
+};
+
+class PS2Mouse : public PS2Device
+{
+ protected:
+ static const uint8_t ID[];
+
+ enum Command
+ {
+ Scale1to1 = 0xE6,
+ Scale2to1 = 0xE7,
+ SetResolution = 0xE8,
+ GetStatus = 0xE9,
+ ReadData = 0xEB,
+ ResetWrapMode = 0xEC,
+ WrapMode = 0xEE,
+ RemoteMode = 0xF0,
+ ReadID = 0xF2,
+ SampleRate = 0xF3,
+ EnableReporting = 0xF4,
+ DisableReporting = 0xF5,
+ DefaultsAndDisable = 0xF6,
+ Resend = 0xFE,
+ Reset = 0xFF
+ };
+
+ BitUnion8(Status)
+ Bitfield<6> remote;
+ Bitfield<5> enabled;
+ Bitfield<4> twoToOne;
+ Bitfield<2> leftButton;
+ Bitfield<0> rightButton;
+ EndBitUnion(Status)
+
+ Status status;
+ uint8_t resolution;
+ uint8_t sampleRate;
+ public:
+ PS2Mouse() : PS2Device(), status(0), resolution(4), sampleRate(100)
+ {}
+
+ bool processData(uint8_t data);
+};
+
+class PS2Keyboard : public PS2Device
+{
+ protected:
+ static const uint8_t ID[];
+
+ enum Command
+ {
+ LEDWrite = 0xED,
+ DiagnosticEcho = 0xEE,
+ AlternateScanCodes = 0xF0,
+ ReadID = 0xF2,
+ TypematicInfo = 0xF3,
+ Enable = 0xF4,
+ Disable = 0xF5,
+ DefaultsAndDisable = 0xF6,
+ AllKeysToTypematic = 0xF7,
+ AllKeysToMakeRelease = 0xF8,
+ AllKeysToMake = 0xF9,
+ AllKeysToTypematicMakeRelease = 0xFA,
+ KeyToTypematic = 0xFB,
+ KeyToMakeRelease = 0xFC,
+ KeyToMakeOnly = 0xFD,
+ Resend = 0xFE,
+ Reset = 0xFF
+ };
+
+ public:
+ bool processData(uint8_t data);
+};
+
class I8042 : public BasicPioDevice
{
protected:
+ enum Command
+ {
+ GetCommandByte = 0x20,
+ ReadControllerRamBase = 0x20,
+ WriteCommandByte = 0x60,
+ WriteControllerRamBase = 0x60,
+ CheckForPassword = 0xA4,
+ LoadPassword = 0xA5,
+ CheckPassword = 0xA6,
+ DisableMouse = 0xA7,
+ EnableMouse = 0xA8,
+ TestMouse = 0xA9,
+ SelfTest = 0xAA,
+ InterfaceTest = 0xAB,
+ DiagnosticDump = 0xAC,
+ DisableKeyboard = 0xAD,
+ EnableKeyboard = 0xAE,
+ ReadInputPort = 0xC0,
+ ContinuousPollLow = 0xC1,
+ ContinuousPollHigh = 0xC2,
+ ReadOutputPort = 0xD0,
+ WriteOutputPort = 0xD1,
+ WriteKeyboardOutputBuff = 0xD2,
+ WriteMouseOutputBuff = 0xD3,
+ WriteToMouse = 0xD4,
+ DisableA20 = 0xDD,
+ EnableA20 = 0xDF,
+ ReadTestInputs = 0xE0,
+ PulseOutputBitBase = 0xF0,
+ SystemReset = 0xFE
+ };
+
BitUnion8(StatusReg)
Bitfield<7> parityError;
Bitfield<6> timeout;
@@ -77,32 +215,13 @@ class I8042 : public BasicPioDevice
static const uint16_t NoCommand = (uint16_t)(-1);
uint16_t lastCommand;
- BitUnion8(MouseStatus)
- Bitfield<6> remote;
- Bitfield<5> enabled;
- Bitfield<4> twoToOne;
- Bitfield<2> leftButton;
- Bitfield<0> rightButton;
- EndBitUnion(MouseStatus)
-
IntSourcePin *mouseIntPin;
- std::queue<uint8_t> mouseBuffer;
- uint16_t lastMouseCommand;
- uint8_t mouseResolution;
- uint8_t mouseSampleRate;
- MouseStatus mouseStatus;
+ IntSourcePin *keyboardIntPin;
+ PS2Mouse mouse;
+ PS2Keyboard keyboard;
- IntSourcePin *keyboardIntPin;
- std::queue<uint8_t> keyboardBuffer;
- uint16_t lastKeyboardCommand;
-
- bool writeData(uint8_t newData, bool mouse = false);
- void keyboardAck();
- void writeKeyboardData(const uint8_t *data, int size);
- void mouseAck();
- void mouseNack();
- void writeMouseData(const uint8_t *data, int size);
+ void writeData(uint8_t newData, bool mouse = false);
uint8_t readDataOut();
public:
@@ -117,9 +236,7 @@ class I8042 : public BasicPioDevice
I8042(Params *p) : BasicPioDevice(p), latency(p->pio_latency),
dataPort(p->data_port), commandPort(p->command_port),
statusReg(0), commandByte(0), dataReg(0), lastCommand(NoCommand),
- mouseIntPin(p->mouse_int_pin), lastMouseCommand(NoCommand),
- keyboardIntPin(p->keyboard_int_pin),
- lastKeyboardCommand(NoCommand)
+ mouseIntPin(p->mouse_int_pin), keyboardIntPin(p->keyboard_int_pin)
{
statusReg.passedSelfTest = 1;
statusReg.commandLast = 1;