/*****************************************************************************************
Copyright (c) 2002-2004 The UbixOS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list of
conditions, the following disclaimer and the list of authors. Redistributions in binary
form must reproduce the above copyright notice, this list of conditions, the following
disclaimer and the list of authors in the documentation and/or other materials provided
with the distribution. Neither the name of the UbixOS Project nor the names of its
contributors may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$Id: atkbd.c 159 2016-01-19 03:07:04Z reddawg $
*****************************************************************************************/
#include <isa/atkbd.h>
#include <isa/8259.h>
#include <sys/video.h>
#include <sys/idt.h>
#include <sys/gdt.h>
#include <sys/io.h>
#include <lib/kmalloc.h>
#include <lib/kprintf.h>
#include <ubixos/sched.h>
#include <ubixos/endtask.h>
#include <ubixos/tty.h>
#include <ubixos/spinlock.h>
#include <ubixos/kpanic.h>
#include <ubixos/vitals.h>
static int atkbd_scan();
static unsigned int keyMap = 0x0;
static unsigned int ledStatus = 0x0;
static char stdinBuffer[512];
static uInt16 stdinSize;
static uInt32 controlKeys = 0x0;
static struct spinLock atkbdSpinLock = SPIN_LOCK_INITIALIZER;
static unsigned int keyboardMap[255][8] = {
/* Ascii, Shift, Ctrl, Alt, Num, Caps, Shift Caps, Shift Num */
{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* ESC */{ 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B },
/* 1,! */{ 0x31, 0x21, 0, 0, 0x31, 0x31, 0x21, 0x21 },
/* 2,@ */{ 0x32, 0x40, 0, 0, 0x32, 0x32, 0x40, 0x40 },
/* 3,# */{ 0x33, 0x23, 0, 0, 0x33, 0x33, 0x23, 0x23 },
/* 4,$ */{ 0x34, 0x24, 0, 0, 0x34, 0x34, 0x24, 0x24 },
/* 5,% */{ 0x35, 0x25, 0, 0, 0x35, 0x35, 0x25, 0x25 },
/* 6,^ */{ 0x36, 0x5E, 0, 0, 0x36, 0x36, 0x5E, 0x5E },
/* 7,& */{ 0x37, 0x26, 0, 0, 0x37, 0x37, 0x26, 0x26 },
/* 8,* */{ 0x38, 0x2A, 0, 0, 0x38, 0x38, 0x2A, 0x2A },
/* 9.( */{ 0x39, 0x28, 0, 0, 0x39, 0x39, 0x28, 0x28 },
/* 0,) */{ 0x30, 0x29, 0, 0, 0x30, 0x30, 0x29, 0x29 },
/* -,_ */{ 0x2D, 0x5F, 0, 0, 0x2D, 0x2D, 0x5F, 0x5F },
/* =,+ */{ 0x3D, 0x2B, 0, 0, 0x3D, 0x3D, 0x2B, 0x2B },
/* 14 */{ 0x08, 0x08, 0x8, 0x8, 0x08, 0x08, 0x08, 0x08 },
/* 15 */{ 0x09, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x71, 0x51, 0, 0, 0, 0, 0, 0 },
/* */{ 0x77, 0x57, 0, 0, 0, 0, 0, 0 },
/* */{ 0x65, 0x45, 0, 0, 0, 0, 0, 0 },
/* */{ 0x72, 0x52, 0, 0, 0, 0, 0, 0 },
/* */{ 0x74, 0x54, 0, 0, 0, 0, 0, 0 },
/* */{ 0x79, 0x59, 0, 0, 0, 0, 0, 0 },
/* */{ 0x75, 0x55, 0, 0, 0, 0, 0, 0 },
/* */{ 0x69, 0x49, 0, 0, 0, 0, 0, 0 },
/* */{ 0x6F, 0x4F, 0, 0, 0, 0, 0, 0 },
/* */{ 0x70, 0x50, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5B, 0x7B, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5D, 0x7D, 0, 0, 0, 0, 0, 0 },
/* */{ 0x0A, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* a,A */{ 0x61, 0x41, 0x41, 0, 0, 0, 0, 0 },
/* */{ 0x73, 0x53, 0, 0, 0, 0, 0, 0 },
/* */{ 0x64, 0x44, 0, 0, 0, 0, 0, 0 },
/* */{ 0x66, 0x46, 0, 0, 0, 0, 0, 0 },
/* */{ 0x67, 0x47, 0, 0, 0, 0, 0, 0 },
/* */{ 0x68, 0x48, 0, 0, 0, 0, 0, 0 },
/* */{ 0x6A, 0x4A, 0, 0, 0, 0, 0, 0 },
/* */{ 0x6B, 0x4B, 0, 0, 0, 0, 0, 0 },
/* */{ 0x6C, 0x4C, 0, 0, 0, 0, 0, 0 },
/* */{ 0x3B, 0x3A, 0, 0, 0, 0, 0, 0 },
/* */{ 0x27, 0x22, 0, 0, 0, 0, 0, 0 },
/* */{ 0x60, 0x7E, 0, 0, 0, 0, 0, 0 },
/* */{ 0x2A, 0x0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5C, 0x3C, 0, 0, 0, 0, 0, 0 },
/* */{ 0x7A, 0x5A, 0, 0, 0, 0, 0, 0 },
/* */{ 0x78, 0x58, 0, 0, 0, 0, 0, 0 },
/* c,C */{ 0x63, 0x43, 0x3, 0x9, 0, 0, 0, 0 },
/* */{ 0x76, 0x56, 0, 0, 0, 0, 0, 0 },
/* */{ 0x62, 0x42, 0, 0, 0, 0, 0, 0 },
/* */{ 0x6E, 0x4E, 0, 0, 0, 0, 0, 0 },
/* */{ 0x6D, 0x4D, 0, 0, 0, 0, 0, 0 },
/* */{ 0x2C, 0x3C, 0, 0, 0, 0, 0, 0 },
/* */{ 0x2E, 0x3E, 0, 0, 0, 0, 0, 0 },
/* */{ 0x2F, 0x3F, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x20, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* F1 */{ 0x3000, 0, 0, 0x3000, 0, 0, 0, 0 },
/* */{ 0x3001, 0, 0, 0x3001, 0, 0, 0, 0 },
/* */{ 0x3002, 0, 0, 0x3002, 0, 0, 0, 0 },
/* */{ 0x3003, 0, 0, 0x3003, 0, 0, 0, 0 },
/* */{ 0x3004, 0, 0, 0x3004, 0, 0, 0, 0 },
/* */{ 0x4000, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4100, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4200, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4300, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4400, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4700, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4800, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4900, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x2D, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4B00, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4C00, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4D00, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x2B, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x4F00, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5000, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5100, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5200, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0x5300, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 },
/* */{ 0, 0, 0, 0, 0, 0, 0, 0 } };
/************************************************************************
Function: int atkbd_init
Description: This function is used to turn on the keyboard
Notes:
02/20/2004 - Approved for quality
************************************************************************/
int atkbd_init() {
/* Insert the IDT vector for the keyboard handler */
setVector( &atkbd_isr, mVec + 0x1, dPresent + dInt + dDpl0 );
/* Set the LEDS to their defaults */
setLED();
/* Clear Keyboard */
atkbd_scan();
/* Turn on the keyboard vector */
irqEnable( 0x1 );
/* Print out information on keyboard */
kprintf( "atkbd0 - Address: [0x%X], Keyboard Buffer: [0x%X], Buffer Size [%i]\n", &atkbd_isr, &stdinBuffer, 512 );
/* Return so we know everything went well */
return ( 0x0 );
}
/*
* 2-23-2004 mji I think the pusha/popa should be pushal/popal
*/
asm(
".globl atkbd_isr \n"
"atkbd_isr: \n"
" pusha \n" /* Save all registers */
" push %ss \n"
" push %ds \n"
" push %es \n"
" push %fs \n"
" push %gs \n"
" call keyboardHandler \n"
" mov $0x20,%dx \n"
" mov $0x20,%ax \n"
" outb %al,%dx \n"
" pop %gs \n"
" pop %fs \n"
" pop %es \n"
" pop %ds \n"
" pop %ss \n"
" popa \n"
" iret \n" /* Exit interrupt */
);
static int atkbd_scan() {
int code = 0x0;
int val = 0x0;
code = inportByte( 0x60 );
val = inportByte( 0x61 );
outportByte( 0x61, val | 0x80 );
outportByte( 0x61, val );
return ( code );
}
void keyboardHandler() {
int key = 0x0;
if ( spinTryLock( &atkbdSpinLock ) )
return;
key = atkbd_scan();
if ( key > 255 )
return;
/* Control Key */
if ( key == 0x1D && !( controlKeys & controlKey ) ) {
controlKeys |= controlKey;
}
if ( key == 0x80 + 0x1D ) {
controlKeys &= ( 0xFF - controlKey );
}
/* ALT Key */
if ( key == 0x38 && !( controlKeys & altKey ) ) {
controlKeys |= altKey;
}
if ( key == 0x80 + 0x38 ) {
controlKeys &= ( 0xFF - altKey );
}
/* Shift Key */
if ( ( key == 0x2A || key == 0x36 ) && !( controlKeys & shiftKey ) ) {
controlKeys |= shiftKey;
}
if ( ( key == 0x80 + 0x2A ) || ( key == 0x80 + 0x36 ) ) {
controlKeys &= ( 0xFF - shiftKey );
}
/* Caps Lock */
if ( key == 0x3A ) {
ledStatus ^= ledCapslock;
setLED();
}
/* Num Lock */
if ( key == 0x45 ) {
ledStatus ^= ledNumlock;
setLED();
}
/* Scroll Lock */
if ( key == 0x46 ) {
ledStatus ^= ledScrolllock;
setLED();
}
/* Pick Which Key Map */
if ( controlKeys == 0 ) {
keyMap = 0;
}
else if ( controlKeys == 1 ) {
keyMap = 1;
}
else if ( controlKeys == 2 ) {
keyMap = 2;
}
else if ( controlKeys == 4 ) {
keyMap = 3;
}
/* If Key Is Not Null Add It To Handler */
if ( ( ( uInt )( keyboardMap[key][keyMap] ) > 0 ) && ( ( uInt32 )( keyboardMap[key][keyMap] ) < 0xFF ) ) {
switch ( (uInt32) keyboardMap[key][keyMap] ) {
case 8:
backSpace();
if ( tty_foreground == 0x0 ) {
stdinBuffer[stdinSize] = keyboardMap[key][keyMap];
stdinSize++;
}
else {
tty_foreground->stdin[tty_foreground->stdinSize] = keyboardMap[key][keyMap];
tty_foreground->stdinSize++;
}
break;
case 0x3:
//if (tty_foreground != 0x0)
// endTask(tty_foreground->owner);
//K_PANIC( "CTRL-C pressed\n" );
kprintf( "FreePages: [0x%X]\n", systemVitals->freePages );
break;
case 0x9:
kprintf( "REBOOTING" );
while ( inportByte( 0x64 ) & 0x02 )
;
outportByte( 0x64, 0xFE );
break;
default:
if ( tty_foreground == 0x0 ) {
stdinBuffer[stdinSize] = keyboardMap[key][keyMap];
stdinSize++;
}
else {
tty_foreground->stdin[tty_foreground->stdinSize] = keyboardMap[key][keyMap];
tty_foreground->stdinSize++;
}
break;
}
}
else {
switch ( ( keyboardMap[key][keyMap] >> 8 ) ) {
case 0x30:
tty_change( keyboardMap[key][keyMap] & 0xFF );
//kprintf("Changing Consoles[0x%X:0x%X]\n",_current->id,_current);
break;
default:
break;
}
}
/* Return */
spinUnlock( &atkbdSpinLock );
return;
}
void setLED() {
outportByte( 0x60, 0xED );
while ( inportByte( 0x64 ) & 2 )
;
outportByte( 0x60, ledStatus );
while ( inportByte( 0x64 ) & 2 )
;
}
/* Temp */
int getchar() {
//uInt8 retKey = 0x0;
int retKey = 0x0;
uInt32 i = 0x0;
/*
if ((stdinSize <= 0) && (tty_foreground == 0x0)) {
sched_yield();
}
if ((tty_foreground != 0x0) && (tty_foreground->stdinSize <= 0x0)) {
sched_yield();
}
*/
/*
if (spinTryLock(&atkbdSpinLock))
return(0x0);
*/
if ( tty_foreground == 0x0 ) {
if ( stdinSize == 0x0 ) {
// spinUnlock(&atkbdSpinLock);
return ( 0x0 );
}
retKey = stdinBuffer[0];
stdinSize--;
for ( i = 0x0; i < stdinSize ; i++ ) {
stdinBuffer[i] = stdinBuffer[i + 0x1];
}
}
else {
if ( tty_foreground->stdinSize == 0x0 ) {
// spinUnlock(&atkbdSpinLock);
return ( 0x0 );
}
retKey = tty_foreground->stdin[0];
tty_foreground->stdinSize--;
for ( i = 0x0; i < tty_foreground->stdinSize ; i++ ) {
tty_foreground->stdin[i] = tty_foreground->stdin[i + 0x1];
}
}
//spinUnlock(&atkbdSpinLock);
return ( retKey );
}
/***
$Log: atkbd.c,v $
Revision 1.5 2006/12/05 17:01:15 reddawg
Modified kpanic
Revision 1.4 2006/12/05 14:10:21 reddawg
Workign Distro
Revision 1.3 2006/12/01 05:12:35 reddawg
We're almost there... :)
Revision 1.2 2006/10/19 17:52:17 reddawg
Working On Userland
Revision 1.1.1.1 2006/06/01 12:46:12 reddawg
ubix2
Revision 1.2 2005/10/12 00:13:37 reddawg
Removed
Revision 1.1.1.1 2005/09/26 17:24:01 reddawg
no message
Revision 1.29 2004/09/11 21:38:00 reddawg
Fixed a few problems
Revision 1.28 2004/09/08 23:19:58 reddawg
hmm
Revision 1.27 2004/09/07 21:54:38 reddawg
ok reverted back to old scheduling for now....
Revision 1.26 2004/09/06 22:18:52 reddawg
ok bed time
Revision 1.25 2004/09/06 22:11:29 reddawg
tty: now each tty has a stdin....
Revision 1.24 2004/09/06 15:13:25 reddawg
Last commit before FreeBSD 6.0
Revision 1.23 2004/08/21 23:47:50 reddawg
*** empty log message ***
Revision 1.22 2004/08/09 12:58:05 reddawg
let me know when you got the surce
Revision 1.21 2004/08/06 22:32:16 reddawg
Ubix Works Again
Revision 1.19 2004/08/03 18:31:19 reddawg
virtual terms
Revision 1.18 2004/07/29 21:32:16 reddawg
My quick lunchs breaks worth of updates....
Revision 1.17 2004/07/28 18:45:39 reddawg
movement of files
Revision 1.16 2004/07/28 17:07:25 reddawg
MPI: moved the syscalls
Revision 1.15 2004/07/26 19:15:49 reddawg
test code, fixes and the like
Revision 1.14 2004/07/25 05:32:58 reddawg
fixed
Revision 1.13 2004/07/25 05:24:39 reddawg
atkbd: removed sti... does it still miss keys
Revision 1.12 2004/07/24 20:00:51 reddawg
Lots of changes to the vmm subsystem.... Page faults have been adjust to now be blocking on a per thread basis not system wide. This has resulted in no more deadlocks.. also the addition of per thread locking has removed segfaults as a result of COW in which two tasks fault the same COW page and try to modify it.
Revision 1.11 2004/07/24 15:12:56 reddawg
Now I'm current
Revision 1.10 2004/07/23 17:49:58 reddawg
atkbd: adjust the timing issue on the driver hopefully it will work fine now
Revision 1.9 2004/07/23 17:37:35 reddawg
Fix
Revision 1.8 2004/07/23 09:10:06 reddawg
ubixfs: cleaned up some functions played with the caching a bit
vfs: renamed a bunch of functions
cleaned up a few misc bugs
Revision 1.7 2004/07/22 20:53:07 reddawg
atkbd: fixed problem
Revision 1.6 2004/07/09 13:34:51 reddawg
keyboard: keyboardInit to atkbd_init
Adjusted initialization routines
Revision 1.5 2004/06/17 14:49:14 reddawg
atkbd: converted some variables to static
Revision 1.4 2004/06/04 10:19:42 reddawg
notes: we compile again, thank g-d anyways i was about to cry
Revision 1.3 2004/05/19 04:07:42 reddawg
kmalloc(size,pid) no more it is no kmalloc(size); the way it should of been
Revision 1.2 2004/05/10 02:23:24 reddawg
Minor Changes To Source Code To Prepare It For Open Source Release
Revision 1.1.1.1 2004/04/15 12:07:09 reddawg
UbixOS v1.0
Revision 1.19 2004/04/13 16:36:33 reddawg
Changed our copyright, it is all now under a BSD-Style license
END
***/
Charlie Root