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CTAOS v2

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This commit is contained in:
Tiberiu Chibici
2021-09-14 18:30:00 +03:00
parent c90c6dc692
commit 7cb940e485
48 changed files with 2621 additions and 507 deletions
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135
kernel/keyboard/key_list.txt Normal file
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*0x00 Pause/Break
0x01 F9
0x02 F7
0x03 F5
0x04 F3
0x05 F1
0x06 F2
0x07 F12
0x08 Print Screen
0x09 F10
0x0A F8
0x0B F6
0x0C F4
0x0D Tab
0x0E `~
0x0F
0x10
0x11
0x12
0x13
0x14
0x15 Q
0x16 1!
0x17
0x18
0x19
0x1A Z
0x1B S
0x1C A
0x1D W
0x1E 2@
0x1F LeftWin
0x20
0x21 C
0x22 X
0x23 D
0x24 E
0x25 4$
0x26 3#
0x27 RightWin
0x28
0x29 Space
0x2A V
0x2B F
0x2C T
0x2D R
0x2E 5%
0x2F Menu
0x30
0x31 N
0x32 B
0x33 H
0x34 G
0x35 Y
0x36 6^
0x37
0x38
0x39
0x3A M
0x3B J
0x3C U
0x3D 7&
0x3E 8*
0x3F
0x40
0x41 ,<
0x42 K
0x43 I
0x44 O
0x45 0)
0x46 9(
0x47
0x48
0x49 .>
0x4A /?
0x4B L
0x4C ;:
0x4D P
0x4E -_
0x4F
0x50
0x51
0x52 '"
0x53
0x54 [{
0x55 =+
0x56
0x57
0x58
0x59 Numpad Enter
0x5A Enter
0x5B ]}
0x5C
0x5D \|
0x5E End
0x5F Left
0x60 Home
0x61 Insert
0x62 Delete
0x63 Down
0x64 Right
0x65 Up
0x66 Backspace
0x67 PageDown
0x68 PageUp
0x69 Numpad 1 (end)
0x6A Numpad /
0x6B Numpad 4 (left)
0x6C Numpad 7 (Home)
0x6D
0x6E
0x6F
0x70 Numpad 0 (insert)
0x71 Numpad . (del)
0x72 Numpad 2 (down)
0x73 Numpad 5
0x74 Numpad 6 (right)
0x75 Numpad 8 (up)
0x76 Esc
0x77
0x78 F11
0x79 Numpad +
0x7A Numpad 3 (pgdwn)
0x7B Numpad -
0x7C Numpad *
0x7D Numpad 9 (pgup)
0x7E
0x7F

60
kernel/keyboard/keyb.c Normal file
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void kb_test()
{
byte temp=0, secs=0;
puts("\nTHIS WILL TEST FEW COMMANDS OF THE PS/2 KEYBOARD.\n");
puts("\nEcho... ");
while ((inportb(0x64)&2)!=0);
outportb(0x60, 0xEE);
/* while ((inportb(0x64)&1)!=0);
temp = inportb(0x60);
putc_font('[', 0x07, 0x02);
putc_font(hex[temp/16], 0x07, 0x02);
putc_font(hex[temp%16], 0x07, 0x02);
putc_font(']', 0x07, 0x02);*/
puts("\nSet LEDs - SCROLL on... ");
while ((inportb(0x64)&2)!=0);
outportb(0x60, 0xED);
/* while ((inportb(0x64)&2)!=0);
outportb(0x60, 1);
while ((inportb(0x64)&1)!=0);
temp = inportb(0x60);*/
putc_font('[', 0x07, 0x02);
putc_font(hex[temp/16], 0x07, 0x02);
putc_font(hex[temp%16], 0x07, 0x02);
putc_font(']', 0x07, 0x02);
puts("\nGet current scancode set... ");
while ((inportb(0x64)&2)!=0);
outportb(0x60, 0xF0);
while ((inportb(0x64)&2)!=0);
outportb(0x60, 0);
/* while ((inportb(0x64)&1)!=0);
temp = inportb(0x60);
putc_font('[', 0x07, 0x02);
putc_font(hex[temp/16], 0x07, 0x02);
putc_font(hex[temp%16], 0x07, 0x02);
putc_font(']', 0x07, 0x02);*/
puts("\nTurning on 2 leds (don't know which ones :P)... ");
while ((inportb(0x64)&2)!=0);
outportb(0x60, 0xED);
while ((inportb(0x64)&2)!=0);
outportb(0x60, (byte)1|2);
/* while ((inportb(0x64)&1)!=0);
temp = inportb(0x60);
putc_font('[', 0x07, 0x02);
putc_font(hex[temp/16], 0x07, 0x02);
putc_font(hex[temp%16], 0x07, 0x02);
putc_font(']', 0x07, 0x02);*/
}

179
kernel/keyboard/keyus.c Normal file
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#include "keyus.h"
// kb_key_return 4-byte structure
typedef struct {
byte status;
byte lights;
byte scancode;
byte character;
} kb_key;
byte kb_array[16];
volatile static byte kb_newdata;
/*********DEBUG**************/
void kb_print_binary(int x, int y, byte what)
{
char arr[9]; int i;
for (i = 7; i>=0; i--, what/=2)
arr[i] = (what%2) + '0';
arr[8] = 0;
puts_pos(x,y,arr);
}
/*********DEBUG**************/
void kb_set_key(byte scancode, byte val)
{
byte pos = scancode/8;
byte offset = scancode%8;
if (val) {
kb_array[pos] |= 1<<offset;
kb_newdata = scancode;
}
else kb_array[pos] &= 0xFF - (1<<offset);
}
byte kb_get_key(byte scancode)
{
byte pos = scancode/8;
byte offset = scancode%8;
return (kb_array[pos]&(1<<offset));
}
void kb_handler(regs *r) {
byte scancode = inportb(0x60);
switch (scancode) {
case 0x00: // Error 0x00
case 0xFC: // Diagnostics failed (MF kb)
case 0xFD: // Diagnostics failed (AT kb)
case 0xFF: kb_waitin(); outportb(0x60, 0xF4); // Error 0xFF
break;
case 0xAA: // BAT test successful.
case 0xFA: // ACKnowledge
case 0xFE: // Last command invalid or parity error
case 0xEE: break; // Echo response
// Gray or break
case 0xE0: kb_prefix |= 1; break;
case 0xE1: kb_prefix |= 4; break;
case 0xF0: kb_prefix |= 2; break;
// Alt, ctrl...
case 0x11: if ((kb_prefix&1) == 0) { // Left alt
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<2;
else kb_modifier_status &= 0xFF - (1<<2);
}
else { // Right alt
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<3;
else kb_modifier_status &= 0xFF - (1<<3);
}
kb_prefix = 0; break;
case 0x12: if ((kb_prefix&1) == 0) { // Left shift
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<0;
else kb_modifier_status &= 0xFF - (1<<0);
}
else { // Fake shift
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<6;
else kb_modifier_status &= 0xFF - (1<<6);
}
kb_prefix = 0; break;
//TO ADD BELOW: pause/break byte1
case 0x14: if (kb_prefix&4) {
if ((kb_prefix&2) == 0) kb_set_key (0, 1);
else kb_set_key (0, 0);
kb_prefix |= 8; break;
}
else if ((kb_prefix&1) == 0) { // Left ctrl
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<4;
else kb_modifier_status &= 0xFF - (1<<4);
}
else { // Right ctrl
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<5;
else kb_modifier_status &= 0xFF - (1<<5);
}
kb_prefix = 0; break;
case 0x59: // Right shift
if ((kb_prefix&2) == 0) kb_modifier_status |= 1<<1;
else kb_modifier_status &= 0xFF - (1<<1);
kb_prefix = 0; break;
// LEDs
case 0x58: if ((kb_prefix&2) == 0) {
kb_lights_status ^= 4; kb_set_LEDs(kb_lights_status);
} kb_prefix = 0; break; // Caps
//TO ADD BELOW: pause/break byte2
case 0x77:
if ((kb_prefix&4) && (kb_prefix&8)) kb_prefix=0;
else if ((kb_prefix&2) == 0) {
kb_lights_status ^= 2; kb_set_LEDs(kb_lights_status);
} kb_prefix = 0; break; // Num
case 0x7E: if ((kb_prefix&2) == 0) {
kb_lights_status ^= 1; kb_set_LEDs(kb_lights_status);
} kb_prefix = 0; break; // Scroll
case 0x83: scancode = 0x02; // Put F7 under the 0x80 (128bit) barrier
default:
// Remap gray keys
if (kb_prefix&1) switch (scancode) {
case 0x7C: scancode=0x08; break; // PrintScreen
case 0x4A: scancode=0x6A; break; // Numpad /
case 0x5A: scancode=0x59; break; // Numpad Enter
case 0x69: scancode=0x5E; break; // End
case 0x6B: scancode=0x5F; break; // Left
case 0x6C: scancode=0x60; break; // Home
case 0x70: scancode=0x61; break; // Insert
case 0x71: scancode=0x62; break; // Delete
case 0x72: scancode=0x63; break; // Down
case 0x74: scancode=0x64; break; // Right
case 0x75: scancode=0x65; break; // Up
case 0x7A: scancode=0x67; break; // PageDown
case 0x7D: scancode=0x68; break; // PageUp
}
if ((kb_prefix&2) == 0) kb_set_key(scancode, 1);
else kb_set_key(scancode, 0);
kb_prefix = 0; break;
}
// Alt+ctrl+del = reset
if (scancode==0x62) {
int ok=0;
if ((kb_modifier_status&4) || (kb_modifier_status&8)) ok++;
if ((kb_modifier_status&16) || (kb_modifier_status&32)) ok++;
if (ok==2) reboot();
}
outportb(0x20, 0x20);
}
kb_key kb_getkey()
{
kb_key ret;
kb_newdata = 0xFF;
while (kb_newdata==0xFF); // wait for keypress
ret.scancode = kb_newdata; // Send scancode for non-chars
ret.status = kb_modifier_status; // Shift, ctrl... state
ret.lights = kb_lights_status; // Num, caps.... state
if ((ret.status & 1) || (ret.status & 2)) // Shift is on
ret.character = kbdus_map_shift[ret.scancode];
else ret.character = kbdus_map[ret.scancode]; // Shift is off
return ret; // And send it.
}

137
kernel/keyboard/keyus.h Normal file
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void kb_set_LEDs(byte status);
void kb_set_repeat(byte rate, byte delay);
void kb_set_scancodeset(byte set);
char kbdus_map[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\t', '`', 0,
0, 0, 0, 0, 0, 'q', '1', 0, 0, 0, 'z', 's', 'a', 'w', '2', 0,
0, 'c', 'x', 'd', 'e', '4', '3', 0, 0, ' ', 'v', 'f', 't', 'r', '5', 0,
0, 'n', 'b', 'h', 'g', 'y', '6', 0, 0, 0, 'm', 'j', 'u', '7', '8', 0,
0, ',', 'k', 'i', 'o', '0', '9', 0, 0, '.', '/', 'l', ';', 'p', '-', 0,
0, 0, '\'', 0, '[', '=', 0, 0, 0, '\n', '\n', ']', 0, '\\', 0, 0,
0, 0, 0x7F, 0, 0, 0, '\b', 0, 0, '1', '/', '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', 0, 0, 0, '+', '3', '-', '*', '9', 0, 0
};
char kbdus_map_shift[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\t', '~', 0,
0, 0, 0, 0, 0, 'Q', '!', 0, 0, 0, 'Z', 'S', 'A', 'W', '@', 0,
0, 'C', 'X', 'D', 'E', '$', '#', 0, 0, ' ', 'V', 'F', 'T', 'R', '%', 0,
0, 'N', 'B', 'H', 'G', 'Y', '^', 0, 0, 0, 'M', 'J', 'U', '&', '*', 0,
0, '<', 'K', 'I', 'O', ')', '(', 0, 0, '>', '?', 'L', ':', 'P', '_', 0,
0, 0, '\"', 0, '{', '+', 0, 0, 0, '\n', '\n', '}', 0, '|', 0, 0,
0, 0, 0x7F, 0, 0, 0, '\b', 0, 0, '1', '/', '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', 0, 0, 0, '+', '3', '-', '*', '9', 0, 0
};
/* kb_modifier_status:
BIT | Description
----+-----------------------------------
0 | Left Shift
1 | Right Shift
2 | Left Alt
3 | Right Alt
4 | Left CTRL
5 | Right CTRL
6 | Fake Shift */
byte kb_modifier_status;
/* kb_modifier_status:
BIT | Description
----+-----------------------------------
0 | Gray
1 | Break code
2 | 0xE1 (pause/break)
3 | Recieved first byte from pause/break */
byte kb_prefix;
/* kb_lights_status
BIT | Description
----+-----------------------------------
0 | SCROLLOCK
1 | NUMLOCK
2 | CAPSLOCK */
byte kb_lights_status;
byte kb_scancode_set;
/***************************************
* Set repeat rate/delay *
***************************************
Values for inter-character delay (bits 4-0)
(characters per second; default is 10.9)
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
----+----+----+----+----+----+----+----+----
0 |30.0|26.7|24.0|21.8|20.0|18.5|17.1|16.0
8 |15.0|13.3|12.0|10.9|10.0|9.2 |8.6 |8.0
16 |7.5 |6.7 |6.0 |5.5 |5.0 |4.6 |4.3 |4.0
24 |3.7 |3.3 |3.0 |2.7 |2.5 |2.3 |2.1 |2.0
Values for delay:
(miliseconds; default is 500)
0 | 1 | 2 | 3
-----+-----+-----+-----
250 | 500 | 750 | 1000
***************************************/
void kb_set_repeat(byte rate, byte delay)
{
if (rate>3 || delay>31) return;
byte out = rate<<5 | delay;
while ((inportb(0x64)&2) != 0);
outportb(0x60, 0xF3);
while ((inportb(0x64)&2) != 0);
outportb(0x60, out);
}
/***************************************
* Set keyboard LEDs *
***************************************
+-----------+-------+-------+--------+
| Bits 7-3 | Bit 2 | Bit 1 | Bit 0 |
| 0 | Caps | Num | Scroll |
|(reserved) | lock | lock | lock |
+-----------+-------+-------+--------+
***************************************/
void kb_set_LEDs(byte status)
{
while ((inportb (0x64)&2)!=0);
outportb (0x60, 0xED);
while ((inportb (0x64)&2)!=0);
outportb (0x60, status);
}
/***************************************
* Set scancode set *
***************************************
0 Get current scancode set
1 Set to scancode set 1
2 Set to scancode set 2
3 Set to scancode set 3
***************************************/
void kb_set_scancodeset(byte set)
{
//If ask for current scancode, tell kb handler what to expect
if (set==0) kb_scancode_set = 4;
while ((inportb (0x64)&2)!=0);
outportb (0x60, 0xF0);
while ((inportb (0x64)&2)!=0);
outportb (0x60, set);
}
void kb_waitin()
{
int fail_safe=200000;
while ((inportb(0x64)&2)!=0 && fail_safe>0) fail_safe--;
}
void kb_waitout()
{
int fail_safe=200000;
while ((inportb(0x64)&1)==0 && fail_safe>0) fail_safe--;
}