#include <palacios/vmm.h>
#include <palacios/vmm_types.h>
-#define KEYBOARD_DEBUG 1
-#define KEYBOARD_DEBUG_80H 1
-
-#if KEYBOARD_DEBUG
-#define KEYBOARD_DEBUG_PRINT(first, rest...) PrintDebug(first, ##rest)
-#else
-#define KEYBOARD_DEBUG_PRINT(first, rest...)
+#ifndef DEBUG_KEYBOARD
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
#endif
+#define KEYBOARD_DEBUG_80H 0
+
+
#define KEYBOARD_60H 0x60 // keyboard microcontroller
#define KEYBOARD_64H 0x64 // onboard microcontroller
#define KEYBOARD_DELAY_80H 0x80 // written for timing
#define KEYBOARD_IRQ 0x1
+#define MOUSE_IRQ 0xc
// extract bits for status byte
#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 OUTPUT_RES2 0x08 // reserved
+#define OUTPUT_OUTPUT_FULL 0x10 // output buffer full
+#define OUTPUT_INPUT_EMPTY 0x20 // input buffer empty
+#define OUTPUT_KBD_CLOCK 0x40 // keyboard clock (?)
+#define OUTPUT_KBD_DATA 0x80 // keyboard data
+
+// bits for the input port
+
+#define INPUT_RES0 0x01 // reserved
+#define INPUT_RES1 0x02 // reserved
+#define INPUT_RES2 0x04 // reserved
+#define INPUT_RES3 0x08 // reserved
+#define INPUT_RAM 0x10 // set to 1 if RAM exists?
+#define INPUT_JUMPER 0x20 // manufacturing jumper?
+#define INPUT_DISPLAY 0x40 // 0=color, 1=mono
+#define INPUT_KBD_INHIBIT 0x80 // 1=inhibit keyboard ?
+
+
+// for queue operations
+#define QUEUE 0
+#define OVERWRITE 1
+
+// for queue operations - whether it's data or cmd waiting on 60h
+#define DATA 0
+#define COMMAND 1
+
+// for queue operations - whether this is keyboard or mouse data on 60h
+#define KEYBOARD 0
+#define MOUSE 1
+
+
// The currently targetted keyboard
static struct vm_device *thekeyboard = NULL;
+//#define QUEUE_SIZE 32
+
struct keyboard_internal {
//
// 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,
+ // after having a d2 sent to 64
+ // we wait for a new output byte on 60
+ // then make it available as a keystroke
+ INJECTING_KEY,
+ // after having a d3 sent to 64
+ // we wait for a new output byte on 60
+ // then make it available as a mouse event
+ INJECTING_MOUSE,
+ // after having a d4 sent to 64
+ // 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;
+
+
};
// 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)
+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;
- state->status_byte |= STATUS_OUTPUT_BUFFER_FULL;
+
+ 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;
+
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: PushToOutputQueue Failed - Queue Full\n");
+ PrintError("keyboard: PushToOutputQueue Failed - Queue Full\n");
return -1;
}
}
{
struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
- if (state->output_queue_len == 1) {
+ if (1 || state->output_queue_len == 1) {
*value = state->output_queue;
state->output_queue_len = 0;
- state->status_byte &= ~STATUS_OUTPUT_BUFFER_FULL;
-
+
+ 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 {
- KEYBOARD_DEBUG_PRINT("keyboard: PullFromOutputQueue Failed - Queue Empty\n");
+ PrintError("keyboard: PullFromOutputQueue Failed - Queue Empty\n");
return -1;
}
}
return 0;
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: PushToOutputQueue Failed - Queue Full\n");
+ PrintError("keyboard: PushToOutputQueue Failed - Queue Full\n");
return -1;
}
}
return 0;
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: PullFromInputQueue Failed - Queue Empty\n");
-
+ PrintError("keyboard: PullFromInputQueue Failed - Queue Empty\n");
return -1;
}
}
return thekeyboard;
}
+static struct vm_device *demultiplex_injected_mouse(uchar_t mouse_packet[3])
+{
+ // this currently does nothing
+ return thekeyboard;
+}
+
int keyboard_interrupt(uint_t irq, struct vm_device * dev);
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);
- KEYBOARD_DEBUG_PRINT("keyboard: injected status 0x%x, and scancode 0x%x\n", status, scancode);
+ 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
- PushToOutputQueue(dev, scancode, 1);
+ PushToOutputQueue(dev, scancode, OVERWRITE, DATA, KEYBOARD);
if (state->cmd_byte & CMD_INTR) {
keyboard_interrupt(KEYBOARD_IRQ, dev);
}
}
+
+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;
+ }
+
+}
+
+
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;
+
data->cmd_byte =
CMD_INTR // interrupts on
| CMD_MOUSE_INTR // mouse interupts on
| STATUS_ENABLED ; // keyboard ready
// buffers empty, no errors
- KEYBOARD_DEBUG_PRINT("keyboard: reset device\n");
+ data->output_byte = 0; // ?
+
+ data->input_byte =
+ INPUT_RAM ; // we have some
+ // also display=color, jumper 0, keyboard enabled
+
+
+
+ PrintDebug("keyboard: reset device\n");
return 0;
int keyboard_start_device(struct vm_device *dev)
{
- KEYBOARD_DEBUG_PRINT("keyboard: start device\n");
+ PrintDebug("keyboard: start device\n");
return 0;
}
int keyboard_stop_device(struct vm_device *dev)
{
- KEYBOARD_DEBUG_PRINT("keyboard: stop device\n");
+ PrintDebug("keyboard: stop device\n");
return 0;
}
+int mouse_read_input(struct vm_device *dev)
+{
+ struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
+
+ if (state->mouse_needs_ack) {
+ state->mouse_needs_ack=0;
+ // the ack has been stuffed previously
+ if (state->mouse_done_after_ack) {
+ return 1;
+ } else {
+ return 0;
+ }
+ }
+
+ 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;
+ case RESET2: // requesting the device id
+ PushToOutputQueue(dev,0x00,OVERWRITE,DATA,MOUSE) ; // normal mouse type
+ PrintDebug(" mouse sent device id ");
+ state->mouse_state=STREAM1;
+ return 1; // done with mouse processing
+ break;
+ 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;
+ case STREAM2: // send data
+ PushToOutputQueue(dev,state->mouse_packet[1],OVERWRITE,DATA,MOUSE);
+ PrintDebug(" mouse sent stream data2 ");
+ state->mouse_state=STREAM3;
+ 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;
+ return 1; // now done
+ break;
+ 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;
+ case REMOTE2: // send data
+ PushToOutputQueue(dev,state->mouse_packet[1],OVERWRITE,DATA,MOUSE);
+ PrintDebug(" mouse sent remote data2 ");
+ state->mouse_state=REMOTE3;
+ 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;
+ return 1; // now done
+ break;
+ case STATUS1: // send data
+ PushToOutputQueue(dev,0x0,OVERWRITE,DATA,MOUSE);
+ PrintDebug(" mouse sent status data1 ");
+ state->mouse_state=STATUS2;
+ return 0;
+ break;
+ case STATUS2: // send data
+ PushToOutputQueue(dev,0x0,OVERWRITE,DATA,MOUSE);
+ PrintDebug(" mouse sent status data2 ");
+ state->mouse_state=STATUS3;
+ 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;
+ return 1; // now done
+ break;
+ default:
+ PrintDebug(" mouse has no data ");
+ return 1; // done
+ break;
+ }
+}
+
+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;
+
+ 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 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 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 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 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 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 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;
+
+ default:
+ PrintDebug(" receiving unknown mouse command (0x%x) in acceptable state ",data);
+ return 1; // done
+ break;
+
+ }
+
+ default:
+ PrintDebug(" receiving mouse output in unhandled state (0x%x) ",state->mouse_state);
+ break;
+ return 1; // done?
+ break;
+ }
+
+ PrintDebug(" HUH? ");
+ return 1; // done
+}
+
+
+
#if KEYBOARD_DEBUG_80H
int keyboard_write_delay(ushort_t port,
void * src,
{
if (length == 1) {
- KEYBOARD_DEBUG_PRINT("keyboard: write of 0x%x to 80h\n", *((uchar_t*)src));
+ PrintDebug("keyboard: write of 0x%x to 80h\n", *((uchar_t*)src));
return 1;
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: write of >1 byte to 80h\n", *((uchar_t*)src));
+ PrintDebug("keyboard: write of >1 byte to 80h\n", *((uchar_t*)src));
return length;
}
if (length == 1) {
*((uchar_t*)dest) = In_Byte(port);
- KEYBOARD_DEBUG_PRINT("keyboard: read of 0x%x from 80h\n", *((uchar_t*)dest));
+ PrintDebug("keyboard: read of 0x%x from 80h\n", *((uchar_t*)dest));
return 1;
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: read of >1 byte from 80h\n");
+ PrintDebug("keyboard: read of >1 byte from 80h\n");
return length;
}
// Should always be single byte write
if (length != 1) {
- KEYBOARD_DEBUG_PRINT("keyboard: write of >1 bytes (%d) to 64h\n", length);
+ PrintError("keyboard: write of >1 bytes (%d) to 64h\n", length);
return -1;
}
cmd = *((uchar_t*)src);
if (state->state != NORMAL) {
- KEYBOARD_DEBUG_PRINT("keyboard: warning - receiving command on 64h but state != NORMAL\n");
+ PrintDebug("keyboard: warning - receiving command on 64h but state != NORMAL\n");
}
- KEYBOARD_DEBUG_PRINT("keyboard: command 0x%x on 64h\n", cmd);
+ PrintDebug("keyboard: command 0x%x on 64h\n", cmd);
switch (cmd) {
case 0x20: // READ COMMAND BYTE (returned in 60h)
- PushToOutputQueue(dev, state->cmd_byte, 1);
+ 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, 1);
+ 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, 1);
+ 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;
// 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, 1);
+ 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, 1);
+ 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, 1);
+ 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, 1);
+ PushToOutputQueue(dev, 0x00, OVERWRITE, COMMAND,KEYBOARD);
state->state = NORMAL;
+ PrintDebug("keyboard: version 0 returned \n");
break;
- // case c0 read input port ?
- // case c1 copy input port lsn to status
- // case c2 copy input port msn to status
-
- // case d0 read output port
- // case d1 write output port
- // case d2 write keyboard buffer (inject key)
- // case d3 write mouse buffer (inject mouse)
- // case d4 write mouse device (command to mouse?)
+ 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 e0 read test port
-
- // case f0..ff pulse output port ?
+ 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;
+
+ 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 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 ac diagonstic - returns 16 bytes from keyboard microcontroler on 60h
default:
- KEYBOARD_DEBUG_PRINT("keyboard: ignoring command (unimplemented)\n");
+ PrintDebug("keyboard: ignoring command (unimplemented)\n");
state->state = NORMAL;
break;
}
if (length == 1) {
- KEYBOARD_DEBUG_PRINT("keyboard: read status (64h): ");
+ PrintDebug("keyboard: read status (64h): ");
*((uchar_t*)dest) = state->status_byte;
- KEYBOARD_DEBUG_PRINT("0x%x\n", *((uchar_t*)dest));
+ PrintDebug("0x%x\n", *((uchar_t*)dest));
return 1;
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: >1 byte read for status (64h)\n");
+ PrintError("keyboard: >1 byte read for status (64h)\n");
return -1;
}
}
struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data);
if (length != 1) {
- KEYBOARD_DEBUG_PRINT("keyboard: write of 60h with >1 byte\n");
+ PrintError("keyboard: write of 60h with >1 byte\n");
return -1;
}
uchar_t data = *((uchar_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("\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, 1); // ack
+ 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, 1);
+ 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 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:
- KEYBOARD_DEBUG_PRINT("keyboard: unhandled command 0x%x on output buffer (60h)\n", data);
+ PrintDebug("keyboard: unhandled unknown command 0x%x on output buffer (60h)\n", data);
+ state->status_byte |= 0x1;
break;
}
break;
}
default:
- KEYBOARD_DEBUG_PRINT("keyboard: unknown state %x on command 0x%x on output buffer (60h)\n", state->state, data);
+ PrintDebug("keyboard: unknown state %x on command 0x%x on output buffer (60h)\n", state->state, data);
}
return 1;
if (length == 1) {
uchar_t data;
+ int done_mouse;
- KEYBOARD_DEBUG_PRINT("keyboard: read from input (60h): ");
+ PrintDebug("keyboard: read from input (60h): ");
+ 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, 1);
+ PushToOutputQueue(dev, 0xaa, OVERWRITE,COMMAND,KEYBOARD);
state->state = NORMAL;
+ PrintDebug(" (in reset, pushing BAT test code 0xaa) ");
}
- KEYBOARD_DEBUG_PRINT("0x%x\n", data);
+ PrintDebug("0x%x\n", data);
*((uchar_t*)dest) = data;
-
+
return 1;
} else {
- KEYBOARD_DEBUG_PRINT("keyboard: unknown size read from input (60h)\n");
+ PrintError("keyboard: unknown size read from input (60h)\n");
return -1;
}
}
int keyboard_interrupt(uint_t irq, struct vm_device * dev)
{
- KEYBOARD_DEBUG_PRINT("keyboard: interrupt\n");
+ PrintDebug("keyboard: interrupt 0x%x\n",irq);
dev->vm->vm_ops.raise_irq(dev->vm, irq);
// struct keyboard_internal *data = (struct keyboard_internal *) dev->private_data;
- KEYBOARD_DEBUG_PRINT("keyboard: init_device\n");
+ PrintDebug("keyboard: init_device\n");
// Would read state here
struct vm_device *create_keyboard() {
if (thekeyboard != NULL) {
- KEYBOARD_DEBUG_PRINT("keyboard: creating >1 keyboard device. This will probably fail!\n");
+ 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));