-/* (c) 2008, Peter Dinda <pdinda@northwestern.edu> */
-/* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Peter Dinda <pdinda@northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Peter Dinda <pdinda@northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
-#include <devices/keyboard.h>
#include <palacios/vmm.h>
+#include <palacios/vmm_dev_mgr.h>
#include <palacios/vmm_types.h>
+#include <palacios/vmm_ringbuffer.h>
+#include <palacios/vmm_lock.h>
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_host_events.h>
+#include <palacios/vm_guest.h>
-#ifndef DEBUG_KEYBOARD
+
+#ifndef CONFIG_DEBUG_KEYBOARD
#undef PrintDebug
#define PrintDebug(fmt, args...)
#endif
#define MOUSE_IRQ 0xc
-// extract bits for status byte
-#define STATUS_OUTPUT_BUFFER_FULL 0x01 // 1=full (data for system)
-#define STATUS_INPUT_BUFFER_FULL 0x02 // 1=full (data for 8042)
-#define STATUS_SYSTEM 0x04 // 1=self-test-passed
-#define STATUS_COMMAND_DATA_AVAIL 0x08 // internal: 0=data on 60h, 0=cmd on 64h
-#define STATUS_ENABLED 0x10 // 1=keyboard is enabled
-#define STATUS_MOUSE_BUFFER_FULL 0x20 // 1= mouse output buffer full
-#define STATUS_TIMEOUT 0x40 // 1=timeout of keybd
-#define STATUS_PARITY 0x80 // 1=parity error
-
-// bits for cmd byte
-
-#define CMD_INTR 0x01 // 1=interrupts enabled
-#define CMD_MOUSE_INTR 0x02 // 1=interrupts enabled for mouse
-#define CMD_SYSTEM 0x04 // 1= self test passed
-#define CMD_OVERRIDE 0x08 // FORCE 0 for PS2
-#define CMD_DISABLE 0x10 // 1=disabled keyboard
-#define CMD_MOUSE_DISABLE 0x20 // 1=disabled mouse
-#define CMD_SCANCODE_XLATE 0x40 // 1=translate to set 1 scancodes
-#define CMD_RESERVED 0x80 // should be zero
// bits for the output port
-
-
#define OUTPUT_RESET 0x01 // System reset on 0
#define OUTPUT_A20 0x02 // A20 gate (1= A20 is gated)
#define OUTPUT_RES1 0x04 // reserved
#define INPUT_KBD_INHIBIT 0x80 // 1=inhibit keyboard ?
+#define MOUSE_ACK 0xfa
+
// for queue operations
#define QUEUE 0
#define OVERWRITE 1
#define MOUSE 1
-// The currently targetted keyboard
-static struct vm_device * thekeyboard = NULL;
-//#define QUEUE_SIZE 32
+struct cmd_reg {
+ union {
+ uint8_t val;
+ struct {
+ uint8_t irq_en : 1; // 1=interrupts enabled
+ uint8_t mouse_irq_en : 1; // 1=interrupts enabled for mouse
+ uint8_t self_test_ok : 1; // 1= self test passed
+ uint8_t override : 1; // MBZ for PS2
+ uint8_t disable : 1; // 1=disabled keyboard
+ uint8_t mouse_disable : 1; // 1=disabled mouse
+ uint8_t translate : 1; // 1=translate to set 1 scancodes (For PC Compatibility)
+ uint8_t rsvd : 1; // must be zero
+ } __attribute__((packed));
+ } __attribute__((packed));
+} __attribute__((packed));
+
+
+
+
+struct status_reg {
+ union {
+ uint8_t val;
+ struct {
+ uint8_t out_buf_full : 1; // 1=full (data for system)
+ uint8_t in_buf_full : 1; // 1=full (data for 8042)
+ uint8_t self_test_ok : 1; // 1=self-test-passed
+ uint8_t cmd : 1; // 0=data on 60h, 1=cmd on 64h
+ uint8_t enabled : 1; // 1=keyboard is enabled
+ uint8_t mouse_buf_full : 1; // 1= mouse output buffer full
+ uint8_t timeout_err : 1; // 1=timeout of keybd
+ uint8_t parity_err : 1; // 1=parity error
+ } __attribute__((packed));
+ } __attribute__((packed));
+} __attribute__((packed));
+
+
+
+
+/* This QUEUE_SIZE must be 256 */
+/* Its designed this way to cause the start/end index to automatically
+ wrap around (2^8 = 256) so an overrun will automatically readjust the
+ indexes
+*/
+#define QUEUE_SIZE 256
+struct queue {
+ uint8_t queue[QUEUE_SIZE];
+
+ uint8_t start;
+ uint8_t end;
+ int count;
+};
+
struct keyboard_internal {
- //
- // 0x60 is the port for the keyboard microcontroller
- // writes are commands
- // reads from it usually return scancodes
- // however, it can also return other data
- // depending on the state of the onboard microcontroller
- //
- // 0x64 is the port for the onboard microcontroller
- // writes are commands
- // reads are status
- //
-
- // state of the onboard microcontroller
- // this is needed because sometimes 0x60 reads come
- // from the onboard microcontroller
- enum {// Normal mode measn we deliver keys
+ //
+ // 0x60 is the port for the keyboard microcontroller
+ // writes are commands
+ // reads from it usually return scancodes
+ // however, it can also return other data
+ // depending on the state of the onboard microcontroller
+ //
+ // 0x64 is the port for the onboard microcontroller
+ // writes are commands
+ // reads are status
+ //
+
+ // state of the onboard microcontroller
+ // this is needed because sometimes 0x60 reads come
+ // from the onboard microcontroller
+ enum {// Normal mode measn we deliver keys
// to the vm and accept commands from it
NORMAL,
// after receiving cmd 0x60
// after recieving 0xa5
// password arrives on data port, null terminated
TRANSMIT_PASSWD,
- // after having reset sent to 0x60
- // we immediately ack, and then
- // push BAT success (0xaa) after the ack
- RESET,
// after having a d1 sent to 64
// we wait for a new output byte on 60
WRITING_OUTPUT_PORT,
// we wait for a new output byte on 60
// then send it to the mouse
IN_MOUSE,
- } state;
-
-
- enum {
- // after receiving a mouse command 0f 0xff
- // we return the ack and then the next thing will be the
- // bat code (aa - success)
- RESET1,
- // followed by the device id (00 - mouse)
- RESET2,
- // Then it goes into stream mode
- STREAM1, //
- STREAM2, //
- STREAM3, // for each of the following bytes in mouse_packet
- // this is used for setting sample rate
- SAMPLE1,
- // this is used for getting device id
- DEVICE1,
- // just like the stream moes
- REMOTE1,
- REMOTE2,
- REMOTE3,
- // For getting status info
- STATUS1,
- STATUS2,
- STATUS3,
- // set resolution
- SETRES1,
- } mouse_state;
-
-
- uchar_t wrap;
- uchar_t mouse_packet[3]; // byte 1: y over, xover, y sign, x sign, 1, middle, right, left
- // byte 2: x movement
- // byte 3: y movement
-
- uchar_t mouse_needs_ack; //
- uchar_t mouse_done_after_ack;
-
- uchar_t cmd_byte; // for keyboard uC - read/written
- // via read/write cmd byte command
- uchar_t status_byte; // for on-board uC - read via 64h
-
- uchar_t output_byte; // output port of onboard uC (e.g. A20)
-
- uchar_t input_byte; // input port of onboard uC
-
- // Data for 8042
- uchar_t input_queue; //
- uint_t input_queue_len; //
- //uint_t input_queue_read;
- //uint_t input_queue_write;
- // Data for system
- uchar_t output_queue; //
- uint_t output_queue_len; //
- //uint_t output_queue_read;
- //uint_t output_queue_write;
+ // After the Keyboard LEDs are enabled
+ // we wait for the output byte on 64?
+ SET_LEDS,
+ // After the Keyboard SET_RATE is called
+ // we wait for the output byte on 64?
+ SET_RATE,
+ } state;
-};
+ enum {
+ // Normal mouse state
+ STREAM,
+ // this is used for setting sample rate
+ SAMPLE,
+ // set resolution
+ SET_RES,
+ } mouse_state;
-//
-// push item onto outputqueue, optionally overwriting if there is no room
-// returns 0 if successful
-//
-static int PushToOutputQueue(struct vm_device * dev, uchar_t value, uchar_t overwrite, uchar_t cmd, uchar_t mouse)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
-
- if ((state->output_queue_len == 0) || overwrite) {
-
- state->output_queue = value;
- state->output_queue_len = 1;
-
- if (cmd) {
- state->status_byte |= STATUS_COMMAND_DATA_AVAIL;
- } else {
- state->status_byte &= ~STATUS_COMMAND_DATA_AVAIL;
- }
-
- if (mouse) {
- state->status_byte |= STATUS_MOUSE_BUFFER_FULL;
- }
- {
- state->status_byte |= STATUS_OUTPUT_BUFFER_FULL;
- }
-
- return 0;
+ struct cmd_reg cmd;
+ struct status_reg status;
- } else {
- PrintError("keyboard: PushToOutputQueue Failed - Queue Full\n");
- return -1;
- }
-}
+ uint8_t output_byte; // output port of onboard uC (e.g. A20)
+ uint8_t input_byte; // input port of onboard uC
-#if 1
-//
-// pull item from outputqueue
-// returns 0 if successful
-//
-static int PullFromOutputQueue(struct vm_device * dev, uchar_t * value)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+ // Data for system
+ uint8_t wrap;
- if (1 || (state->output_queue_len == 1)) {
+ int mouse_enabled;
- *value = state->output_queue;
- state->output_queue_len = 0;
-
- if (state->status_byte & STATUS_OUTPUT_BUFFER_FULL) {
- state->status_byte &= ~STATUS_OUTPUT_BUFFER_FULL;
- }
-
- if (state->status_byte & STATUS_MOUSE_BUFFER_FULL) {
- state->status_byte &= ~STATUS_MOUSE_BUFFER_FULL;
- }
-
- if (state->status_byte & STATUS_COMMAND_DATA_AVAIL) {
- state->status_byte &= ~STATUS_COMMAND_DATA_AVAIL;
- } // reset to data
-
-
- return 0;
- } else {
- PrintError("keyboard: PullFromOutputQueue Failed - Queue Empty\n");
- return -1;
- }
-}
-#endif
+ struct queue kbd_queue;
+ struct queue mouse_queue;
-#if 0
-//
-// push item onto inputqueue, optionally overwriting if there is no room
-// returns 0 if successful
-//
-static int PushToInputQueue(struct vm_device * dev, uchar_t value, uchar_t overwrite)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+ v3_lock_t kb_lock;
+};
- if ((state->input_queue_len == 0) || overwrite) {
- state->input_queue = value;
- state->input_queue_len = 1;
- state->status_byte |= STATUS_INPUT_BUFFER_FULL;
+static int update_kb_irq(struct vm_device * dev) {
+ struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+ int irq_num = 0;
- return 0;
- } else {
- PrintError("keyboard: PushToOutputQueue Failed - Queue Full\n");
- return -1;
- }
-}
-//
-// pull item from inputqueue
-// returns 0 if successful
-//
-static int PullFromInputQueue(struct vm_device *dev, uchar_t *value)
-{
- struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
+ state->status.out_buf_full = 0;
+ state->status.mouse_buf_full = 0;
- if (state->input_queue_len == 1) {
- *value = state->input_queue;
- state->input_queue_len = 0;
- state->status_byte &= ~STATUS_INPUT_BUFFER_FULL;
+ // If there is pending Keyboard data then it overrides mouse data
+ if (state->kbd_queue.count > 0) {
+ irq_num = KEYBOARD_IRQ;
+ } else if (state->mouse_queue.count > 0) {
+ irq_num = MOUSE_IRQ;
+ state->status.mouse_buf_full = 1;
+ }
+
+ PrintDebug("keyboard: interrupt 0x%d\n", irq_num);
+
+ if (irq_num) {
+ // Global output buffer flag (for both Keyboard and mouse)
+ state->status.out_buf_full = 1;
+
+ if (state->cmd.irq_en == 1) {
+ v3_raise_irq(dev->vm, irq_num);
+ }
+ }
return 0;
- } else {
- PrintError("keyboard: PullFromInputQueue Failed - Queue Empty\n");
- return -1;
- }
}
-#endif
-static struct vm_device *demultiplex_injected_key(uchar_t status, uchar_t scancode)
-{
- // this currently does nothing
- return thekeyboard;
-}
-static struct vm_device *demultiplex_injected_mouse(uchar_t mouse_packet[3])
-{
- // this currently does nothing
- return thekeyboard;
-}
+/* Only one byte is read per irq
+ * So if the queue is still full after a data read, we re-raise the irq
+ * If we keep reading an empty queue we return the last queue entry
+ */
-int keyboard_interrupt(uint_t irq, struct vm_device * dev);
+static int push_to_output_queue(struct vm_device * dev, uint8_t value, uint8_t cmd, uint8_t mouse) {
+ struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
+ struct queue * q = NULL;
-void deliver_key_to_vmm(uchar_t status, uchar_t scancode)
-{
- struct vm_device *dev = demultiplex_injected_key(status, scancode);
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
- PrintDebug("keyboard: injected status 0x%x, and scancode 0x%x\n", status, scancode);
-
- if ( (state->status_byte & STATUS_ENABLED) // onboard is enabled
- && (!(state->cmd_byte & CMD_DISABLE)) ) { // keyboard is enabled
+ if (mouse) {
+ q = &(state->mouse_queue);
+ } else {
+ q = &(state->kbd_queue);
+ }
- PushToOutputQueue(dev, scancode, OVERWRITE, DATA, KEYBOARD);
+ if (q->count == QUEUE_SIZE) {
+ return 0;
+ }
- if (state->cmd_byte & CMD_INTR) {
- keyboard_interrupt(KEYBOARD_IRQ, dev);
+ if (cmd) {
+ state->status.cmd = 1;
+ } else {
+ state->status.cmd = 0;
}
-
- }
-}
+ q->queue[q->end++] = value;
+ q->count++;
-void deliver_mouse_to_vmm(uchar_t data[3])
-{
- struct vm_device * dev = demultiplex_injected_mouse(data);
- struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
- PrintDebug("keyboard: injected mouse packet 0x %x %x %x\n",
- data[0], data[1], data[2]);
-
- memcpy(state->mouse_packet, data, 3);
-
- state->status_byte |= STATUS_MOUSE_BUFFER_FULL;
-
-
- switch (state->mouse_state) {
- case STREAM1:
- case STREAM2:
- case STREAM3:
- if (!(state->cmd_byte & CMD_MOUSE_DISABLE)) {
- keyboard_interrupt(MOUSE_IRQ, dev);
- }
- break;
- default:
- break;
- }
+ update_kb_irq(dev);
+ return 0;
}
-int keyboard_reset_device(struct vm_device * dev)
-{
- struct keyboard_internal *data = (struct keyboard_internal *)(dev->private_data);
-
- memset(data, 0, sizeof(struct keyboard_internal));
- data->state = NORMAL;
- data->mouse_state = STREAM1;
+static int pull_from_output_queue(struct vm_device * dev, uint8_t * value) {
+ struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
+ struct queue * q = NULL;
- data->cmd_byte =
- CMD_INTR // interrupts on
- | CMD_MOUSE_INTR // mouse interupts on
- | CMD_SYSTEM ; // self test passed
- // PS2, keyboard+mouse enabled, generic translation
-
- data->status_byte =
- STATUS_SYSTEM // self-tests passed
- | STATUS_ENABLED ; // keyboard ready
- // buffers empty, no errors
+ if (state->kbd_queue.count > 0) {
+ q = &(state->kbd_queue);
+ PrintDebug("Reading from Keyboard Queue\n");
+ } else if (state->mouse_queue.count > 0) {
+ q = &(state->mouse_queue);
+ PrintDebug("Reading from Mouse Queue\n");
+ } else {
+ uint8_t idx = state->kbd_queue.start - 1;
+ PrintDebug("No Data in any queue\n");
+ *value = state->kbd_queue.queue[idx];
+ return 0;
+ }
- data->output_byte = 0; // ?
+ *value = q->queue[q->start++];
+ q->count--;
- data->input_byte = INPUT_RAM; // we have some
- // also display=color, jumper 0, keyboard enabled
-
+ PrintDebug("Read from Queue: %x\n", *value);
+ PrintDebug("QStart=%d, QEnd=%d\n", q->start, q->end);
- PrintDebug("keyboard: reset device\n");
-
- return 0;
+ update_kb_irq(dev);
+ return 0;
}
+#include <palacios/vmm_telemetry.h>
-int keyboard_start_device(struct vm_device *dev)
-{
- PrintDebug("keyboard: start device\n");
- return 0;
-}
+static int key_event_handler(struct guest_info * info,
+ struct v3_keyboard_event * evt,
+ void * private_data) {
+ struct vm_device * dev = (struct vm_device *)private_data;
+ struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
-int keyboard_stop_device(struct vm_device *dev)
-{
- PrintDebug("keyboard: stop device\n");
- return 0;
-}
+ PrintDebug("keyboard: injected status 0x%x, and scancode 0x%x\n", evt->status, evt->scan_code);
+ if (evt->scan_code == 0x44) { // F10 debug dump
+ v3_print_guest_state(info);
+ // PrintGuestPageTables(info, info->shdw_pg_state.guest_cr3);
+ }
+#ifdef CONFIG_SYMBIOTIC
+ else if (evt->scan_code == 0x43) { // F9 Sym test
+ PrintDebug("Testing sym call\n");
+ sym_arg_t a0 = 0x1111;
+ sym_arg_t a1 = 0x2222;
+ sym_arg_t a2 = 0x3333;
+ sym_arg_t a3 = 0x4444;
+ sym_arg_t a4 = 0x5555;
-int mouse_read_input(struct vm_device *dev)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+ v3_sym_call5(info, SYMCALL_TEST, &a0, &a1, &a2, &a3, &a4);
- if (state->mouse_needs_ack) {
- state->mouse_needs_ack = 0;
+ V3_Print("Symcall Test Returned arg0=%x, arg1=%x, arg2=%x, arg3=%x, arg4=%x\n",
+ (uint32_t)a0, (uint32_t)a1, (uint32_t)a2, (uint32_t)a3, (uint32_t)a4);
- // the ack has been stuffed previously
- if (state->mouse_done_after_ack) {
- return 1;
- } else {
- return 0;
+ }
+#endif
+ else if (evt->scan_code == 0x42) { // F8 debug toggle
+ extern int v3_dbg_enable;
+
+ PrintDebug("Toggling Debugging\n");
+ v3_dbg_enable ^= 1;
+ } else if (evt->scan_code == 0x41) { // F7 telemetry dump
+ v3_print_telemetry(info);
+
}
- }
- switch (state->mouse_state) {
- case RESET1: // requesting the BAT code
- PushToOutputQueue(dev, 0xaa, OVERWRITE, DATA, MOUSE) ; // BAT successful
- PrintDebug(" mouse sent BAT code (sucesssful) ");
- state->mouse_state = RESET2;
- return 0; // not done with mouse processing yet
- break;
+ addr_t irq_state = v3_lock_irqsave(state->kb_lock);
- case RESET2: // requesting the device id
- PushToOutputQueue(dev, 0x00, OVERWRITE, DATA, MOUSE) ; // normal mouse type
- PrintDebug(" mouse sent device id ");
- state->mouse_state = STREAM1;
+ if ( (state->status.enabled == 1) // onboard is enabled
+ && (state->cmd.disable == 0) ) { // keyboard is enabled
+
+ push_to_output_queue(dev, evt->scan_code, DATA, KEYBOARD);
+ }
- return 1; // done with mouse processing
- break;
+ v3_unlock_irqrestore(state->kb_lock, irq_state);
+
+ return 0;
+}
- case STREAM1: // send data
- PushToOutputQueue(dev, state->mouse_packet[0], OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent stream data1 ");
- state->mouse_state = STREAM2;
- return 0;
- break;
+static int mouse_event_handler(struct guest_info * info,
+ struct v3_mouse_event * evt,
+ void * private_data) {
+ struct vm_device * dev = (struct vm_device *)private_data;
+ struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
+ int ret = 0;
- case STREAM2: // send data
- PushToOutputQueue(dev, state->mouse_packet[1], OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent stream data2 ");
- state->mouse_state = STREAM3;
+ PrintDebug("keyboard: injected mouse packet 0x %x %x %x\n",
+ evt->data[0], evt->data[1], evt->data[2]);
+
+ addr_t irq_state = v3_lock_irqsave(state->kb_lock);
+
+ switch (state->mouse_state) {
+ case STREAM:
+
+ if (state->cmd.mouse_disable == 0) {
+ push_to_output_queue(dev, evt->data[0], DATA, MOUSE);
+ push_to_output_queue(dev, evt->data[1], DATA, MOUSE);
+ push_to_output_queue(dev, evt->data[2], DATA, MOUSE);
+ }
+ break;
+ default:
+ PrintError("Invalid mouse state\n");
+ ret = -1;
+ break;
+ }
- return 0;
- break;
- case STREAM3: // send data
- PushToOutputQueue(dev, state->mouse_packet[2], OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent stream data3 ");
- state->mouse_state = STREAM1;
+ v3_unlock_irqrestore(state->kb_lock, irq_state);
- return 1; // now done
- break;
+ return ret;
+}
- case REMOTE1: // send data
- PushToOutputQueue(dev, state->mouse_packet[0], OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent remote data1 ");
- state->mouse_state = REMOTE2;
- return 0;
- break;
+static int keyboard_reset_device(struct vm_device * dev) {
+ struct keyboard_internal * data = (struct keyboard_internal *)(dev->private_data);
+
+ memset(data, 0, sizeof(struct keyboard_internal));
- case REMOTE2: // send data
- PushToOutputQueue(dev, state->mouse_packet[1], OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent remote data2 ");
- state->mouse_state = REMOTE3;
+ data->state = NORMAL;
+ data->mouse_state = STREAM;
- return 0;
- break;
- case REMOTE3: // send data
- PushToOutputQueue(dev, state->mouse_packet[2], OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent remote data3 ");
- state->mouse_state = REMOTE1;
+ // PS2, keyboard+mouse enabled, generic translation
+ data->cmd.val = 0;
- return 1; // now done
- break;
+ data->cmd.irq_en = 1;
+ data->cmd.mouse_irq_en = 1;
+ data->cmd.self_test_ok = 1;
+ /** **/
- case STATUS1: // send data
- PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent status data1 ");
- state->mouse_state = STATUS2;
- return 0;
- break;
+ // buffers empty, no errors
+ data->status.val = 0;
+
+ data->status.self_test_ok = 1; // self-tests passed
+ data->status.enabled = 1;// keyboard ready
+ /** **/
+
+
+ data->output_byte = 0; // ?
- case STATUS2: // send data
- PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent status data2 ");
- state->mouse_state = STATUS3;
+ data->input_byte = INPUT_RAM; // we have some
+ // also display=color, jumper 0, keyboard enabled
+ PrintDebug("keyboard: reset device\n");
+
return 0;
- break;
- case STATUS3: // send data
- PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent status data3 ");
- state->mouse_state = STREAM1;
+}
+
- return 1; // now done
- break;
- case DEVICE1: // send device id
- PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE);
- PrintDebug(" mouse sent device id ");
- state->mouse_state = STREAM1;
+static int keyboard_start_device(struct vm_device * dev) {
+ PrintDebug("keyboard: start device\n");
+ return 0;
+}
- return 1; // now done
- break;
- default:
- PrintDebug(" mouse has no data ");
- return 1; // done
- break;
- }
+static int keyboard_stop_device(struct vm_device * dev) {
+ PrintDebug("keyboard: stop device\n");
+ return 0;
}
-int mouse_write_output(struct vm_device * dev, uchar_t data)
-{
- struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
-
- switch (state->mouse_state) {
- case STREAM1:
- case STREAM2:
- case STREAM3:
- case REMOTE1:
- case REMOTE2:
- case REMOTE3:
- switch (data) {
-
- case 0xff: //reset
- PushToOutputQueue(dev, 0xfe, OVERWRITE, DATA, MOUSE) ; // no mouse!
- PrintDebug(" mouse reset begins (no mouse) ");
-
- return 1; // not done;
- break;
-
- /*
- case 0xff: //reset
- PushToOutputQueue(dev,0xfa,OVERWRITE,DATA,MOUSE) ;
- PrintDebug(" mouse reset begins ");
- state->mouse_done_after_ack=0;
- state->mouse_needs_ack=1;
- state->mouse_state=RESET1;
- return 0; // not done;
- break;
- */
- case 0xfe: //resend
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- PrintDebug(" mouse resend begins ");
- state->mouse_done_after_ack = 0;
- state->mouse_needs_ack = 0;
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
+
+
+static int mouse_write_output(struct vm_device * dev, uint8_t data) {
+ struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
+
+ switch (state->mouse_state) {
+ case NORMAL:
+ switch (data) {
+
+ case 0xff: //reset
+ if (state->mouse_enabled == 0) {
+ push_to_output_queue(dev, 0xfe, DATA, MOUSE) ; // no mouse!
+ } else {
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ push_to_output_queue(dev, 0xaa, DATA, MOUSE) ;
+ push_to_output_queue(dev, 0x00, DATA, MOUSE) ;
+ }
+ break;
+
+/* case 0xfe: //resend */
+/* PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; */
+/* PrintDebug(" mouse resend begins "); */
+/* state->mouse_done_after_ack = 0; */
+/* state->mouse_needs_ack = 0; */
+/* state->mouse_state = STREAM1; */
+/* return 0; // not done */
+/* break; */
- case 0xf6: // set defaults
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- PrintDebug(" mouse set defaults ");
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
+ case 0xf6: // set defaults
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse set defaults ");
+
+ break;
- case 0xf5: // disable data reporting
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse disable data reporting ");
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
+ case 0xf5: // disable data reporting
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse disable data reporting ");
+ break;
- case 0xf4: // enable data reporting
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse enable data reporting ");
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
+ case 0xf4: // enable data reporting
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse enable data reporting ");
+ break;
- case 0xf3: // set sample rate
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 0;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set sample rate begins ");
- state->mouse_state = SAMPLE1;
- return 0; // not done
- break;
+ case 0xf3: // set sample rate
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ state->mouse_state = SAMPLE;
+ PrintDebug(" mouse set sample rate begins ");
+ break;
- case 0xf2: // get device id
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 0;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse get device id begins ");
- state->mouse_state = DEVICE1;
- return 0; // not done
- break;
+ case 0xf2: // get device id
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ push_to_output_queue(dev, 0x0, DATA, MOUSE);
+ PrintDebug(" mouse get device id begins ");
+ break;
- case 0xf0: // set remote mode
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set remote mode ");
- state->mouse_state = REMOTE1;
- return 0; // not done
- break;
-
- case 0xee: // set wrap mode
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set wrap mode (ignored) ");
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
-
- case 0xec: // reset wrap mode
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse reset wrap mode (ignored) ");
- state->mouse_state = STREAM1;
- return 0; // done
- break;
-
- case 0xeb: // read data
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 0;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse switch to wrap mode (ignored) ");
- state->mouse_state = REMOTE1;
- return 0; // not done
- break;
+ case 0xf0: // set remote mode
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse set remote mode ");
+ break;
+
+ case 0xee: // set wrap mode
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintError(" mouse set wrap mode (ignored) ");
+ break;
+
+ case 0xec: // reset wrap mode
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintError(" mouse reset wrap mode (ignored) ");
+ break;
+
+ case 0xeb: // read data
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintError(" mouse switch to wrap mode (ignored) ");
+ break;
- case 0xea: // set stream mode
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set stream mode ");
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
-
- case 0xe9: // status request
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 0;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse status request begins ");
- state->mouse_state = STATUS1;
- return 0; // notdone
- break;
-
- case 0xe8: // set resolution
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 0;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set resolution begins ");
- state->mouse_state = SETRES1;
- return 0; // notdone
- break;
-
- case 0xe7: // set scaling 2:1
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set scaling 2:1 ");
- state->mouse_state = STREAM1;
- return 0; // not done
- break;
-
- case 0xe6: // set scaling 1:1
- PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ;
- state->mouse_done_after_ack = 1;
- state->mouse_needs_ack = 1;
- PrintDebug(" mouse set scaling 1:1 ");
- state->mouse_state = STREAM1;
- return 0; // done
- break;
+ case 0xea: // set stream mode
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse set stream mode ");
+ break;
+
+ case 0xe9: // status request
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ push_to_output_queue(dev, 0x00, DATA, MOUSE);
+ push_to_output_queue(dev, 0x00, DATA, MOUSE);
+ push_to_output_queue(dev, 0x00, DATA, MOUSE);
+ PrintDebug(" mouse status request begins ");
+ break;
+
+ case 0xe8: // set resolution
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse set resolution begins ");
+ state->mouse_state = SET_RES;
+ break;
+
+ case 0xe7: // set scaling 2:1
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse set scaling 2:1 ");
+ break;
+
+ case 0xe6: // set scaling 1:1
+ push_to_output_queue(dev, MOUSE_ACK, DATA, MOUSE) ;
+ PrintDebug(" mouse set scaling 1:1 ");
+ break;
- default:
- PrintDebug(" receiving unknown mouse command (0x%x) in acceptable state ", data);
- return 1; // done
- break;
-
+ default:
+ PrintDebug(" receiving unknown mouse command (0x%x) in acceptable state ", data);
+ break;
+ }
+
+ break;
+ case SAMPLE:
+ case SET_RES:
+ default:
+ PrintDebug(" receiving mouse output in unhandled state (0x%x) ", state->mouse_state);
+ return -1;
}
-
- default:
- PrintDebug(" receiving mouse output in unhandled state (0x%x) ", state->mouse_state);
- break;
- return 1; // done?
- break;
- }
-
- PrintDebug(" HUH? ");
- return 1; // done
+
+ return 0;
}
#if KEYBOARD_DEBUG_80H
-int keyboard_write_delay(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev)
-{
-
- if (length == 1) {
- PrintDebug("keyboard: write of 0x%x to 80h\n", *((uchar_t*)src));
+static int keyboard_write_delay(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
- return 1;
- } else {
- PrintDebug("keyboard: write of >1 byte to 80h\n", *((uchar_t*)src));
-
- return length;
- }
+ if (length == 1) {
+ PrintDebug("keyboard: write of 0x%x to 80h\n", *((uint8_t*)src));
+ return 1;
+ } else {
+ PrintDebug("keyboard: write of >1 byte to 80h\n", *((uint8_t*)src));
+ return length;
+ }
}
-int keyboard_read_delay(ushort_t port,
- void * dest,
- uint_t length,
- struct vm_device * dev)
-{
+static int keyboard_read_delay(ushort_t port, void * dest, uint_t length, struct vm_device * dev) {
- if (length == 1) {
- *((uchar_t*)dest) = v3_inb(port);
+ if (length == 1) {
+ *(uint8_t *)dest = v3_inb(port);
- PrintDebug("keyboard: read of 0x%x from 80h\n", *((uchar_t*)dest));
+ PrintDebug("keyboard: read of 0x%x from 80h\n", *((uint8_t*)dest));
- return 1;
- } else {
- PrintDebug("keyboard: read of >1 byte from 80h\n");
+ return 1;
+ } else {
+ PrintDebug("keyboard: read of >1 byte from 80h\n");
- return length;
- }
+ return length;
+ }
}
#endif
-int keyboard_write_command(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
- uchar_t cmd;
+static int keyboard_write_command(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+ struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
+ uint8_t cmd = *(uint8_t *)src;
- // Should always be single byte write
+ // Should always be single byte write
+ if (length != 1) {
+ PrintError("keyboard: write of >1 bytes (%d) to 64h\n", length);
+ return -1;
+ }
- if (length != 1) {
- PrintError("keyboard: write of >1 bytes (%d) to 64h\n", length);
- return -1;
- }
- cmd = *((uchar_t*)src);
+ addr_t irq_state = v3_lock_irqsave(state->kb_lock);
- if (state->state != NORMAL) {
- PrintDebug("keyboard: warning - receiving command on 64h but state != NORMAL\n");
- }
+ if (state->state != NORMAL) {
+ PrintDebug("keyboard: warning - receiving command on 64h but state != NORMAL\n");
+ }
- PrintDebug("keyboard: command 0x%x on 64h\n", cmd);
-
- switch (cmd) {
-
- case 0x20: // READ COMMAND BYTE (returned in 60h)
- PushToOutputQueue(dev, state->cmd_byte, OVERWRITE, COMMAND,KEYBOARD);
- state->state = NORMAL; // the next read on 0x60 will get the right data
- PrintDebug("keyboard: command byte 0x%x returned\n", state->cmd_byte);
- break;
-
- case 0x60: // WRITE COMMAND BYTE (read from 60h)
- state->state = WRITING_CMD_BYTE; // we need to make sure we send the next 0x60 byte appropriately
- PrintDebug("keyboard: prepare to write command byte\n");
- break;
-
- // case 0x90-9f - write to output port (?)
-
- case 0xa1: // Get version number
- PushToOutputQueue(dev, 0, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug("keyboard: version number 0x0 returned\n");
- break;
-
- case 0xa4: // is password installed? send result to 0x60
- // we don't support passwords
- PushToOutputQueue(dev, 0xf1, OVERWRITE, COMMAND, KEYBOARD);
- PrintDebug("keyboard: password not installed\n");
- state->state = NORMAL;
- break;
-
- case 0xa5: // new password will arrive on 0x60
- state->state = TRANSMIT_PASSWD;
- PrintDebug("keyboard: pepare to transmit password\n");
- break;
-
- case 0xa6: // check passwd;
- // since we do not support passwords, we will simply ignore this
- // the implication is that any password check immediately succeeds
- // with a blank password
- state->state = NORMAL;
- PrintDebug("keyboard: password check succeeded\n");
- break;
-
- case 0xa7: // disable mouse
- state->cmd_byte |= CMD_MOUSE_DISABLE;
- state->state = NORMAL;
- PrintDebug("keyboard: mouse disabled\n");
- break;
-
- case 0xa8: // enable mouse
- state->cmd_byte &= ~CMD_MOUSE_DISABLE;
- state->state = NORMAL;
- PrintDebug("keyboard: mouse enabled\n");
- break;
-
- case 0xa9: // mouse interface test (always succeeds)
- PushToOutputQueue(dev, 0, OVERWRITE, COMMAND, KEYBOARD);
- PrintDebug("keyboard: mouse interface test succeeded\n");
- state->state = NORMAL;
- break;
-
- case 0xaa: // controller self test (always succeeds)
- PushToOutputQueue(dev, 0x55, OVERWRITE, COMMAND, KEYBOARD);
- PrintDebug("keyboard: controller self test succeeded\n");
- state->state = NORMAL;
- break;
-
- case 0xab: // keyboard interface test (always succeeds)
- PushToOutputQueue(dev, 0, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug("keyboard: keyboard interface test succeeded\n");
- break;
-
- case 0xad: // disable keyboard
- state->cmd_byte |= CMD_DISABLE;
- state->state = NORMAL;
- PrintDebug("keyboard: keyboard disabled\n");
- break;
-
- case 0xae: // enable keyboard
- state->cmd_byte &= ~CMD_DISABLE;
- state->state = NORMAL;
- PrintDebug("keyboard: keyboard enabled\n");
- break;
-
- case 0xaf: // get version
- PushToOutputQueue(dev, 0x00, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug("keyboard: version 0 returned \n");
- break;
-
- case 0xd0: // return microcontroller output on 60h
- PushToOutputQueue(dev, state->output_byte, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug("keyboard: output byte 0x%x returned\n", state->output_byte);
- break;
-
- case 0xd1: // request to write next byte on 60h to the microcontroller output port
- state->state = WRITING_OUTPUT_PORT;
- PrintDebug("keyboard: prepare to write output byte\n");
- break;
-
- case 0xd2: // write keyboard buffer (inject key)
- state->state = INJECTING_KEY;
- PrintDebug("keyboard: prepare to inject key\n");
- break;
-
- case 0xd3: // write mouse buffer (inject mouse)
- state->state = INJECTING_MOUSE;
- PrintDebug("keyboard: prepare to inject mouse\n");
- break;
-
- case 0xd4: // write mouse device (command to mouse?)
- state->state = IN_MOUSE;
- PrintDebug("keyboard: prepare to inject mouse command\n");
- break;
-
- case 0xc0: // read input port
- PushToOutputQueue(dev, state->input_byte, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug("keyboard: input byte 0x%x returned\n", state->input_byte);
- break;
-
- case 0xc1: //copy input port lsn to status msn
- state->status_byte &= 0x0f;
- state->status_byte |= (state->input_byte & 0xf) << 4;
- state->state = NORMAL;
- PrintDebug("keyboard: copied input byte lsn to status msn\n");
- break;
-
- case 0xc2: // copy input port msn to status msn
- state->status_byte &= 0x0f;
- state->status_byte |= (state->input_byte & 0xf0);
- state->state = NORMAL;
- PrintDebug("keyboard: copied input byte msn to status msn\n");
- break;
+ PrintDebug("keyboard: command 0x%x on 64h\n", cmd);
+
+ switch (cmd) {
+ case 0x20: // READ COMMAND BYTE (returned in 60h)
+ push_to_output_queue(dev, state->cmd.val, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: command byte 0x%x returned\n", state->cmd.val);
+ break;
+
+ case 0x60: // WRITE COMMAND BYTE (read from 60h)
+ state->state = WRITING_CMD_BYTE; // we need to make sure we send the next 0x60 byte appropriately
+ PrintDebug("keyboard: prepare to write command byte\n");
+ break;
+
+ // case 0x90-9f - write to output port (?)
+
+ case 0xa1: // Get version number
+ push_to_output_queue(dev, 0x00, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: version number 0x0 returned\n");
+ break;
+
+ case 0xa4: // is password installed? send result to 0x60
+ // we don't support passwords
+ push_to_output_queue(dev, 0xf1, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: password not installed\n");
+ break;
+
+ case 0xa5: // new password will arrive on 0x60
+ state->state = TRANSMIT_PASSWD;
+ PrintDebug("keyboard: pepare to transmit password\n");
+ break;
+
+ case 0xa6: // check passwd;
+ // since we do not support passwords, we will simply ignore this
+ // the implication is that any password check immediately succeeds
+ // with a blank password
+ PrintDebug("keyboard: password check succeeded\n");
+ break;
+
+ case 0xa7: // disable mouse
+ state->cmd.mouse_disable = 1;
+ PrintDebug("keyboard: mouse disabled\n");
+ break;
+
+ case 0xa8: // enable mouse
+ state->cmd.mouse_disable = 0;
+ PrintDebug("keyboard: mouse enabled\n");
+ break;
+
+ case 0xa9: // mouse interface test (always succeeds)
+ push_to_output_queue(dev, 0x00, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: mouse interface test succeeded\n");
+ break;
+
+ case 0xaa: // controller self test (always succeeds)
+ push_to_output_queue(dev, 0x55, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: controller self test succeeded\n");
+ break;
+
+ case 0xab: // keyboard interface test (always succeeds)
+ push_to_output_queue(dev, 0, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: keyboard interface test succeeded\n");
+ break;
+
+ case 0xad: // disable keyboard
+ state->cmd.disable = 1;
+ PrintDebug("keyboard: keyboard disabled\n");
+ break;
+
+ case 0xae: // enable keyboard
+ state->cmd.disable = 0;
+ PrintDebug("keyboard: keyboard enabled\n");
+ break;
+
+ case 0xaf: // get version
+ push_to_output_queue(dev, 0x00, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: version 0 returned \n");
+ break;
+
+ case 0xd0: // return microcontroller output on 60h
+ push_to_output_queue(dev, state->output_byte, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: output byte 0x%x returned\n", state->output_byte);
+ break;
+
+ case 0xd1: // request to write next byte on 60h to the microcontroller output port
+ state->state = WRITING_OUTPUT_PORT;
+ PrintDebug("keyboard: prepare to write output byte\n");
+ break;
+
+ case 0xd2: // write keyboard buffer (inject key)
+ state->state = INJECTING_KEY;
+ PrintDebug("keyboard: prepare to inject key\n");
+ break;
+
+ case 0xd3: // write mouse buffer (inject mouse)
+ state->state = INJECTING_MOUSE;
+ PrintDebug("keyboard: prepare to inject mouse\n");
+ break;
+
+ case 0xd4: // write mouse device (command to mouse?)
+ state->state = IN_MOUSE;
+ PrintDebug("keyboard: prepare to inject mouse command\n");
+ break;
+
+ case 0xc0: // read input port
+ push_to_output_queue(dev, state->input_byte, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: input byte 0x%x returned\n", state->input_byte);
+ break;
+
+ case 0xc1: //copy input port lsn to status msn
+ state->status.val &= 0x0f;
+ state->status.val |= (state->input_byte & 0xf) << 4;
+ PrintDebug("keyboard: copied input byte low 4 bits to status reg hi 4 bits\n");
+ break;
+
+ case 0xc2: // copy input port msn to status msn
+ state->status.val &= 0x0f;
+ state->status.val |= (state->input_byte & 0xf0);
+ PrintDebug("keyboard: copied input byte hi 4 bits to status reg hi 4 bits\n");
+ break;
- case 0xe0: // read test port
- PushToOutputQueue(dev, state->output_byte >> 6, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug("keyboard: read 0x%x from test port\n", state->output_byte >> 6);
- break;
+ case 0xe0: // read test port
+ push_to_output_queue(dev, state->output_byte >> 6, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: read 0x%x from test port\n", state->output_byte >> 6);
+ break;
- case 0xf0: // pulse output port
- case 0xf1: // this should pulse 0..3 of cmd_byte on output port
- case 0xf2: // instead of what is currently in output_byte (I think)
- case 0xf3: // main effect is taht if bit zero is zero
- case 0xf4: // should cause reset
- case 0xf5: // I doubt anything more recent than a 286 running
- case 0xf6: // OS2 with the penalty box will care
- case 0xf7:
- case 0xf8:
- case 0xf9:
- case 0xfa:
- case 0xfb:
- case 0xfc:
- case 0xfd:
- case 0xfe:
- case 0xff:
-
- PrintDebug("keyboard: ignoring pulse of 0x%x (low=pulsed) on output port\n", (cmd & 0xf));
- state->state = NORMAL;
- break;
+ case 0xf0: // pulse output port
+ case 0xf1: // this should pulse 0..3 of cmd_byte on output port
+ case 0xf2: // instead of what is currently in output_byte (I think)
+ case 0xf3: // main effect is taht if bit zero is zero
+ case 0xf4: // should cause reset
+ case 0xf5: // I doubt anything more recent than a 286 running
+ case 0xf6: // OS2 with the penalty box will care
+ case 0xf7:
+ case 0xf8:
+ case 0xf9:
+ case 0xfa:
+ case 0xfb:
+ case 0xfc:
+ case 0xfd:
+ case 0xfe:
+ case 0xff:
+ PrintDebug("keyboard: ignoring pulse of 0x%x (low=pulsed) on output port\n", (cmd & 0xf));
+ break;
+ // case ac diagonstic - returns 16 bytes from keyboard microcontroler on 60h
+ default:
+ PrintDebug("keyboard: ignoring command (unimplemented)\n");
+ break;
+ }
- // case ac diagonstic - returns 16 bytes from keyboard microcontroler on 60h
- default:
- PrintDebug("keyboard: ignoring command (unimplemented)\n");
- state->state = NORMAL;
- break;
- }
-
- return 1;
+ v3_unlock_irqrestore(state->kb_lock, irq_state);
+ return length;
}
-int keyboard_read_status(ushort_t port,
- void * dest,
- uint_t length,
- struct vm_device * dev)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+static int keyboard_read_status(ushort_t port, void * dest, uint_t length, struct vm_device * dev) {
+ struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
- if (length == 1) {
+ if (length != 1) {
+ PrintError("keyboard: >1 byte read for status (64h)\n");
+ return -1;
+ }
PrintDebug("keyboard: read status (64h): ");
- *((uchar_t*)dest) = state->status_byte;
+ addr_t irq_state = v3_lock_irqsave(state->kb_lock);
- PrintDebug("0x%x\n", *((uchar_t*)dest));
+ *(uint8_t *)dest = state->status.val;
- return 1;
- } else {
- PrintError("keyboard: >1 byte read for status (64h)\n");
- return -1;
- }
+ v3_unlock_irqrestore(state->kb_lock, irq_state);
+
+ PrintDebug("0x%x\n", *(uint8_t *)dest);
+
+ return length;
}
-int keyboard_write_output(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+static int keyboard_write_output(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+ struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+ int ret = length;
- if (length != 1) {
- PrintError("keyboard: write of 60h with >1 byte\n");
- return -1;
- }
+ if (length != 1) {
+ PrintError("keyboard: write of 60h with >1 byte\n");
+ return -1;
+ }
- uchar_t data = *((uchar_t*)src);
+ uint8_t data = *(uint8_t *)src;
- PrintDebug("keyboard: output 0x%x on 60h\n", data);
-
- switch (state->state) {
- case WRITING_CMD_BYTE:
- state->cmd_byte = data;
- state->state = NORMAL;
- PrintDebug("keyboard: wrote new command byte 0x%x\n", state->cmd_byte);
- break;
- case WRITING_OUTPUT_PORT:
- state->output_byte = data;
- state->state = NORMAL;
- PrintDebug("keyboard: wrote new output byte 0x%x\n", state->output_byte);
- break;
- case INJECTING_KEY:
- PushToOutputQueue(dev, data, OVERWRITE, COMMAND, KEYBOARD); // probably should be a call to deliver_key_to_vmm()
- state->state = NORMAL;
- PrintDebug("keyboard: injected key 0x%x\n", data);
- break;
- case INJECTING_MOUSE:
- PrintDebug("keyboard: ignoring injected mouse event 0x%x\n", data);
- state->state = NORMAL;
- break;
- case IN_MOUSE:
- PrintDebug("keyboard: mouse action: ");
- if (mouse_write_output(dev, data)) {
- state->state = NORMAL;
+ PrintDebug("keyboard: output 0x%x on 60h\n", data);
+
+ addr_t irq_state = v3_lock_irqsave(state->kb_lock);
+
+ switch (state->state) {
+ case WRITING_CMD_BYTE:
+ state->cmd.val = data;
+ state->state = NORMAL;
+ PrintDebug("keyboard: wrote new command byte 0x%x\n", state->cmd.val);
+ break;
+
+ case WRITING_OUTPUT_PORT:
+ state->output_byte = data;
+ state->state = NORMAL;
+ PrintDebug("keyboard: wrote new output byte 0x%x\n", state->output_byte);
+ break;
+
+ case INJECTING_KEY:
+ push_to_output_queue(dev, data, COMMAND, KEYBOARD); // probably should be a call to deliver_key_to_vmm()
+ state->state = NORMAL;
+ PrintDebug("keyboard: injected key 0x%x\n", data);
+ break;
+
+ case INJECTING_MOUSE:
+ push_to_output_queue(dev, data, DATA, MOUSE);
+ // PrintDebug("keyboard: ignoring injected mouse event 0x%x\n", data);
+ PrintDebug("keyboard: injected mouse event 0x%x\n", data);
+ state->state = NORMAL;
+ break;
+
+ case IN_MOUSE:
+ PrintDebug("keyboard: mouse action: ");
+ if (mouse_write_output(dev, data)) {
+ state->state = NORMAL;
+ }
+ PrintDebug("\n");
+ break;
+
+ case TRANSMIT_PASSWD:
+ if (data) {
+ //ignore passwd
+ PrintDebug("keyboard: ignoring password character 0x%x\n",data);
+ } else {
+ // end of password
+ state->state = NORMAL;
+ PrintDebug("keyboard: done with password\n");
+ }
+ break;
+
+ case SET_LEDS:
+ PrintDebug("Keyboard: LEDs being set...\n");
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD);
+ state->state = NORMAL;
+ break;
+
+ case SET_RATE:
+ PrintDebug("Keyboard: Rate being set...\n");
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD);
+ state->state = NORMAL;
+ break;
+
+ default:
+ case NORMAL: {
+ // command is being sent to keyboard controller
+ switch (data) {
+ case 0xff: // reset
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD); // ack
+ push_to_output_queue(dev, 0xaa, COMMAND, KEYBOARD);
+ PrintDebug("keyboard: reset complete and acked\n");
+ break;
+
+ case 0xf5: // disable scanning
+ case 0xf4: // enable scanning
+ // ack
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD);
+ // should do something here... PAD
+ PrintDebug("keyboard: %s scanning done and acked\n", (data == 0xf5) ? "disable" : "enable");
+ break;
+
+ case 0xf3:
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD);
+ state->state = SET_RATE;
+ break;
+
+ case 0xf2: // get keyboard ID
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD);
+ push_to_output_queue(dev, 0xab, COMMAND, KEYBOARD);
+ push_to_output_queue(dev, 0x83, COMMAND, KEYBOARD);
+ PrintDebug("Keyboard: Requesting Keyboard ID\n");
+ break;
+
+ case 0xed: // enable keyboard LEDs
+ push_to_output_queue(dev, 0xfa, COMMAND, KEYBOARD);
+ state->state = SET_LEDS;
+ break;
+
+ case 0xfe: // resend
+ case 0xfd: // set key type make
+ case 0xfc: // set key typ make/break
+ case 0xfb: // set key type typematic
+ case 0xfa: // set all typematic make/break/typematic
+ case 0xf9: // set all make
+ case 0xf8: // set all make/break
+ case 0xf7: // set all typemaktic
+ case 0xf6: // set defaults
+ PrintError("keyboard: unhandled known command 0x%x on output buffer (60h)\n", data);
+ ret = -1;
+ break;
+
+ default:
+ PrintError("keyboard: unhandled unknown command 0x%x on output buffer (60h)\n", data);
+ state->status.out_buf_full = 1;
+ ret = -1;
+ break;
+ }
+ break;
+ }
}
- PrintDebug("\n");
- break;
- case TRANSMIT_PASSWD:
- if (data) {
- //ignore passwd
- PrintDebug("keyboard: ignoring password character 0x%x\n",data);
- } else {
- // end of password
- state->state = NORMAL;
- PrintDebug("keyboard: done with password\n");
- }
- break;
- case NORMAL:
- {
- // command is being sent to keyboard controller
- switch (data) {
- case 0xff: // reset
- PushToOutputQueue(dev, 0xfa, OVERWRITE, COMMAND, KEYBOARD); // ack
- state->state = RESET;
- PrintDebug("keyboard: reset complete and acked\n", data);
- break;
- case 0xf5: // disable scanning
- case 0xf4: // enable scanning
- // ack
- PushToOutputQueue(dev, 0xfa, OVERWRITE, COMMAND, KEYBOARD);
- // should do something here... PAD
- state->state = NORMAL;
- PrintDebug("keyboard: %s scanning done and acked\n",data==0xf5 ? "disable" : "enable", data);
- break;
- case 0xfe: // resend
- case 0xfd: // set key type make
- case 0xfc: // set key typ make/break
- case 0xfb: // set key type typematic
- case 0xfa: // set all typematic make/break/typematic
- case 0xf9: // set all make
- case 0xf8: // set all make/break
- case 0xf7: // set all typemaktic
- case 0xf6: // set defaults
- case 0xf3: // set typematic delay/rate
- PrintDebug("keyboard: unhandled known command 0x%x on output buffer (60h)\n", data);
- break;
- default:
- PrintDebug("keyboard: unhandled unknown command 0x%x on output buffer (60h)\n", data);
- state->status_byte |= 0x1;
- break;
- }
- break;
- }
- default:
- PrintDebug("keyboard: unknown state %x on command 0x%x on output buffer (60h)\n", state->state, data);
- }
- return 1;
-}
-
-int keyboard_read_input(ushort_t port,
- void * dest,
- uint_t length,
- struct vm_device * dev)
-{
- struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+ v3_unlock_irqrestore(state->kb_lock, irq_state);
- if (length == 1) {
- uchar_t data;
- int done_mouse;
+ return ret;
+}
- PrintDebug("keyboard: read from input (60h): ");
+static int keyboard_read_input(ushort_t port, void * dest, uint_t length, struct vm_device * dev) {
+ struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data);
- if (state->state == IN_MOUSE) {
- done_mouse = mouse_read_input(dev);
- if (done_mouse) {
- state->state = NORMAL;
- }
- }
-
- PullFromOutputQueue(dev, &data);
-
- if (state->state == RESET) {
- // We just delivered the ack for the reset
- // now we will ready ourselves to deliver the BAT code (success)
- PushToOutputQueue(dev, 0xaa, OVERWRITE, COMMAND, KEYBOARD);
- state->state = NORMAL;
- PrintDebug(" (in reset, pushing BAT test code 0xaa) ");
+ if (length != 1) {
+ PrintError("keyboard: unknown size read from input (60h)\n");
+ return -1;
}
+
+ addr_t irq_state = v3_lock_irqsave(state->kb_lock);
+
+ pull_from_output_queue(dev, (uint8_t *)dest);
- PrintDebug("0x%x\n", data);
+ v3_unlock_irqrestore(state->kb_lock, irq_state);
- *((uchar_t*)dest) = data;
-
- return 1;
- } else {
- PrintError("keyboard: unknown size read from input (60h)\n");
- return -1;
- }
+ PrintDebug("keyboard: read from input (60h): 0x%x\n", *(uint8_t *)dest);
+
+ return length;
}
-int keyboard_interrupt(uint_t irq, struct vm_device * dev)
-{
- PrintDebug("keyboard: interrupt 0x%x\n", irq);
- dev->vm->vm_ops.raise_irq(dev->vm, irq);
- return 0;
+
+static int keyboard_free(struct vm_device * dev) {
+
+ v3_dev_unhook_io(dev, KEYBOARD_60H);
+ v3_dev_unhook_io(dev, KEYBOARD_64H);
+#if KEYBOARD_DEBUG_80H
+ v3_dev_unhook_io(dev, KEYBOARD_DELAY_80H);
+#endif
+ keyboard_reset_device(dev);
+ return 0;
}
-int keyboard_init_device(struct vm_device * dev)
-{
-
- // struct keyboard_internal *data = (struct keyboard_internal *) dev->private_data;
- PrintDebug("keyboard: init_device\n");
- // Would read state here
- keyboard_reset_device(dev);
+static struct v3_device_ops dev_ops = {
+ .free = keyboard_free,
+ .reset = keyboard_reset_device,
+ .start = keyboard_start_device,
+ .stop = keyboard_stop_device,
+};
+
- // hook ports
- dev_hook_io(dev, KEYBOARD_64H, &keyboard_read_status, &keyboard_write_command);
- dev_hook_io(dev, KEYBOARD_60H, &keyboard_read_input, &keyboard_write_output);
-#if KEYBOARD_DEBUG_80H
- dev_hook_io(dev, KEYBOARD_DELAY_80H, &keyboard_read_delay, &keyboard_write_delay);
-#endif
-
- //
- // We do not hook the IRQ here. Instead, the underlying device driver
- // is responsible to call us back
- //
+static int keyboard_init(struct guest_info * vm, v3_cfg_tree_t * cfg) {
+ struct keyboard_internal * keyboard_state = NULL;
+ char * name = v3_cfg_val(cfg, "name");
- return 0;
-}
+ PrintDebug("keyboard: init_device\n");
-int keyboard_deinit_device(struct vm_device *dev)
-{
+ keyboard_state = (struct keyboard_internal *)V3_Malloc(sizeof(struct keyboard_internal));
- dev_unhook_io(dev, KEYBOARD_60H);
- dev_unhook_io(dev, KEYBOARD_64H);
-#if KEYBOARD_DEBUG_80H
- dev_unhook_io(dev, KEYBOARD_DELAY_80H);
-#endif
- keyboard_reset_device(dev);
- return 0;
-}
+ keyboard_state->mouse_queue.start = 0;
+ keyboard_state->mouse_queue.end = 0;
+ keyboard_state->mouse_queue.count = 0;
+ keyboard_state->kbd_queue.start = 0;
+ keyboard_state->kbd_queue.end = 0;
+ keyboard_state->kbd_queue.count = 0;
+ keyboard_state->mouse_enabled = 0;
+ struct vm_device * dev = v3_allocate_device(name, &dev_ops, keyboard_state);
+ if (v3_attach_device(vm, dev) == -1) {
+ PrintError("Could not attach device %s\n", name);
+ return -1;
+ }
-static struct vm_device_ops dev_ops = {
- .init = keyboard_init_device,
- .deinit = keyboard_deinit_device,
- .reset = keyboard_reset_device,
- .start = keyboard_start_device,
- .stop = keyboard_stop_device,
-};
+ keyboard_reset_device(dev);
+ v3_lock_init(&(keyboard_state->kb_lock));
-struct vm_device *create_keyboard() {
-
- if (thekeyboard != NULL) {
- PrintDebug("keyboard: creating >1 keyboard device. This will probably fail!\n");
- }
-
- struct keyboard_internal * keyboard_state = (struct keyboard_internal *)V3_Malloc(sizeof(struct keyboard_internal));
- struct vm_device *device = create_device("KEYBOARD", &dev_ops, keyboard_state);
+ // hook ports
+ v3_dev_hook_io(dev, KEYBOARD_64H, &keyboard_read_status, &keyboard_write_command);
+ v3_dev_hook_io(dev, KEYBOARD_60H, &keyboard_read_input, &keyboard_write_output);
+
+ v3_hook_host_event(vm, HOST_KEYBOARD_EVT, V3_HOST_EVENT_HANDLER(key_event_handler), dev);
+ v3_hook_host_event(vm, HOST_MOUSE_EVT, V3_HOST_EVENT_HANDLER(mouse_event_handler), dev);
+
+
+#if KEYBOARD_DEBUG_80H
+ v3_dev_hook_io(dev, KEYBOARD_DELAY_80H, &keyboard_read_delay, &keyboard_write_delay);
+#endif
- thekeyboard = device;
- return device;
+ //
+ // We do not hook the IRQ here. Instead, the underlying device driver
+ // is responsible to call us back
+ //
+
+ return 0;
}
+
+
+device_register("KEYBOARD", keyboard_init)
