From 78ee7d5717807e6ac779293d0d3c78341de6130a Mon Sep 17 00:00:00 2001
From: "Konstantin Kirik (snegovick)" <snegovick@uprojects.org>
Date: Sun, 28 Dec 2025 12:27:31 +0300
Subject: Move existing boards into subdits split per arch

---
 os/pc/kbd.c | 477 ------------------------------------------------------------
 1 file changed, 477 deletions(-)
 delete mode 100644 os/pc/kbd.c

(limited to 'os/pc/kbd.c')

diff --git a/os/pc/kbd.c b/os/pc/kbd.c
deleted file mode 100644
index 8db7009c..00000000
--- a/os/pc/kbd.c
+++ /dev/null
@@ -1,477 +0,0 @@
-#include	"u.h"
-#include	"../port/lib.h"
-#include	"mem.h"
-#include	"dat.h"
-#include	"fns.h"
-#include	"io.h"
-#include	"../port/error.h"
-
-enum {
-	Data=		0x60,		/* data port */
-
-	Status=		0x64,		/* status port */
-	 Inready=	0x01,		/*  input character ready */
-	 Outbusy=	0x02,		/*  output busy */
-	 Sysflag=	0x04,		/*  system flag */
-	 Cmddata=	0x08,		/*  cmd==0, data==1 */
-	 Inhibit=	0x10,		/*  keyboard/mouse inhibited */
-	 Minready=	0x20,		/*  mouse character ready */
-	 Rtimeout=	0x40,		/*  general timeout */
-	 Parity=	0x80,
-
-	Cmd=		0x64,		/* command port (write only) */
-
-	Spec=		0x80,
-
-	PF=		Spec|0x20,	/* num pad function key */
-	View=		Spec|0x00,	/* view (shift window up) */
-	KF=		0xF000,	/* function key (begin Unicode private space) */
-	Shift=		Spec|0x60,
-	Break=		Spec|0x61,
-	Ctrl=		Spec|0x62,
-	Latin=		Spec|0x63,
-	Caps=		Spec|0x64,
-	Num=		Spec|0x65,
-	Middle=		Spec|0x66,
-	No=		0x00,		/* peter */
-
-	Home=		KF|13,
-	Up=		KF|14,
-	Pgup=		KF|15,
-	Print=		KF|16,
-	Left=		KF|17,
-	Right=		KF|18,
-	End=		'\r',
-	Down=		View,
-	Pgdown=		KF|19,
-	Ins=		KF|20,
-	Del=		0x7F,
-	Scroll=		KF|21,
-};
-
-/*
- * The codes at 0x79 and 0x81 are produed by the PFU Happy Hacking keyboard.
- * A 'standard' keyboard doesn't produce anything above 0x58.
- */
-Rune kbtab[] = 
-{
-[0x00]	No,	0x1b,	'1',	'2',	'3',	'4',	'5',	'6',
-[0x08]	'7',	'8',	'9',	'0',	'-',	'=',	'\b',	'\t',
-[0x10]	'q',	'w',	'e',	'r',	't',	'y',	'u',	'i',
-[0x18]	'o',	'p',	'[',	']',	'\n',	Ctrl,	'a',	's',
-[0x20]	'd',	'f',	'g',	'h',	'j',	'k',	'l',	';',
-[0x28]	'\'',	'`',	Shift,	'\\',	'z',	'x',	'c',	'v',
-[0x30]	'b',	'n',	'm',	',',	'.',	'/',	Shift,	'*',
-[0x38]	Latin,	' ',	Ctrl,	KF|1,	KF|2,	KF|3,	KF|4,	KF|5,
-[0x40]	KF|6,	KF|7,	KF|8,	KF|9,	KF|10,	Num,	Scroll,	'7',
-[0x48]	'8',	'9',	'-',	'4',	'5',	'6',	'+',	'1',
-[0x50]	'2',	'3',	'0',	'.',	No,	No,	No,	KF|11,
-[0x58]	KF|12,	No,	No,	No,	No,	No,	No,	No,
-[0x60]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x68]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x70]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x78]	No,	View,	No,	Up,	No,	No,	No,	No,
-};
-
-Rune kbtabshift[] =
-{
-[0x00]	No,	0x1b,	'!',	'@',	'#',	'$',	'%',	'^',
-[0x08]	'&',	'*',	'(',	')',	'_',	'+',	'\b',	'\t',
-[0x10]	'Q',	'W',	'E',	'R',	'T',	'Y',	'U',	'I',
-[0x18]	'O',	'P',	'{',	'}',	'\n',	Ctrl,	'A',	'S',
-[0x20]	'D',	'F',	'G',	'H',	'J',	'K',	'L',	':',
-[0x28]	'"',	'~',	Shift,	'|',	'Z',	'X',	'C',	'V',
-[0x30]	'B',	'N',	'M',	'<',	'>',	'?',	Shift,	'*',
-[0x38]	Latin,	' ',	Ctrl,	KF|1,	KF|2,	KF|3,	KF|4,	KF|5,
-[0x40]	KF|6,	KF|7,	KF|8,	KF|9,	KF|10,	Num,	Scroll,	'7',
-[0x48]	'8',	'9',	'-',	'4',	'5',	'6',	'+',	'1',
-[0x50]	'2',	'3',	'0',	'.',	No,	No,	No,	KF|11,
-[0x58]	KF|12,	No,	No,	No,	No,	No,	No,	No,
-[0x60]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x68]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x70]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x78]	No,	Up,	No,	Up,	No,	No,	No,	No,
-};
-
-Rune kbtabesc1[] =
-{
-[0x00]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x08]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x10]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x18]	No,	No,	No,	No,	'\n',	Ctrl,	No,	No,
-[0x20]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x28]	No,	No,	Shift,	No,	No,	No,	No,	No,
-[0x30]	No,	No,	No,	No,	No,	'/',	No,	Print,
-[0x38]	Latin,	No,	No,	No,	No,	No,	No,	No,
-[0x40]	No,	No,	No,	No,	No,	No,	Break,	Home,
-[0x48]	Up,	Pgup,	No,	Left,	No,	Right,	No,	End,
-[0x50]	Down,	Pgdown,	Ins,	Del,	No,	No,	No,	No,
-[0x58]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x60]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x68]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x70]	No,	No,	No,	No,	No,	No,	No,	No,
-[0x78]	No,	Up,	No,	No,	No,	No,	No,	No,
-};
-
-enum
-{
-	/* controller command byte */
-	Cscs1=		(1<<6),		/* scan code set 1 */
-	Cauxdis=	(1<<5),		/* mouse disable */
-	Ckbddis=	(1<<4),		/* kbd disable */
-	Csf=		(1<<2),		/* system flag */
-	Cauxint=	(1<<1),		/* mouse interrupt enable */
-	Ckbdint=	(1<<0),		/* kbd interrupt enable */
-};
-
-int mouseshifted;
-
-static Lock i8042lock;
-static uchar ccc;
-static void (*auxputc)(int, int);
-
-/*
- *  wait for output no longer busy
- */
-static int
-outready(void)
-{
-	int tries;
-
-	for(tries = 0; (inb(Status) & Outbusy); tries++){
-		if(tries > 500)
-			return -1;
-		delay(2);
-	}
-	return 0;
-}
-
-/*
- *  wait for input
- */
-static int
-inready(void)
-{
-	int tries;
-
-	for(tries = 0; !(inb(Status) & Inready); tries++){
-		if(tries > 500)
-			return -1;
-		delay(2);
-	}
-	return 0;
-}
-
-/*
- *  ask 8042 to reset the machine
- */
-void
-i8042reset(void)
-{
-	ushort *s = KADDR(0x472);
-	int i, x;
-
-	*s = 0x1234;		/* BIOS warm-boot flag */
-
-	/*
-	 *  newer reset the machine command
-	 */
-	outready();
-	outb(Cmd, 0xFE);
-	outready();
-
-	/*
-	 *  Pulse it by hand (old somewhat reliable)
-	 */
-	x = 0xDF;
-	for(i = 0; i < 5; i++){
-		x ^= 1;
-		outready();
-		outb(Cmd, 0xD1);
-		outready();
-		outb(Data, x);	/* toggle reset */
-		delay(100);
-	}
-}
-
-int
-i8042auxcmd(int cmd)
-{
-	unsigned int c;
-	int tries;
-
-	c = 0;
-	tries = 0;
-
-	ilock(&i8042lock);
-	do{
-		if(tries++ > 2)
-			break;
-		if(outready() < 0)
-			break;
-		outb(Cmd, 0xD4);
-		if(outready() < 0)
-			break;
-		outb(Data, cmd);
-		if(outready() < 0)
-			break;
-		if(inready() < 0)
-			break;
-		c = inb(Data);
-	} while(c == 0xFE || c == 0);
-	iunlock(&i8042lock);
-
-	if(c != 0xFA){
-		print("i8042: %2.2ux returned to the %2.2ux command\n", c, cmd);
-		return -1;
-	}
-	return 0;
-}
-
-int
-i8042auxcmds(uchar *cmd, int ncmd)
-{
-	int i;
-
-	ilock(&i8042lock);
-	for(i=0; i<ncmd; i++){
-		if(outready() < 0)
-			break;
-		outb(Cmd, 0xD4);
-		if(outready() < 0)
-			break;
-		outb(Data, cmd[i]);
-	}
-	iunlock(&i8042lock);
-	return i;
-}
-
-/*
- *  keyboard interrupt
- */
-static void
-i8042intr(Ureg*, void*)
-{
-	int s, c, i;
-	static int esc1, esc2;
-	static int alt, caps, ctl, num, shift;
-	static int collecting, nk;
-	static Rune kc[5];
-	int keyup;
-
-	/*
-	 *  get status
-	 */
-	lock(&i8042lock);
-	s = inb(Status);
-	if(!(s&Inready)){
-		unlock(&i8042lock);
-		return;
-	}
-
-	/*
-	 *  get the character
-	 */
-	c = inb(Data);
-	unlock(&i8042lock);
-
-	/*
-	 *  if it's the aux port...
-	 */
-	if(s & Minready){
-		if(auxputc != nil)
-			auxputc(c, shift);
-		return;
-	}
-
-	/*
-	 *  e0's is the first of a 2 character sequence
-	 */
-	if(c == 0xe0){
-		esc1 = 1;
-		return;
-	} else if(c == 0xe1){
-		esc2 = 2;
-		return;
-	}
-
-	keyup = c&0x80;
-	c &= 0x7f;
-	if(c > sizeof kbtab){
-		c |= keyup;
-		if(c != 0xFF)	/* these come fairly often: CAPSLOCK U Y */
-			print("unknown key %ux\n", c);
-		return;
-	}
-
-	if(esc1){
-		c = kbtabesc1[c];
-		esc1 = 0;
-	} else if(esc2){
-		esc2--;
-		return;
-	} else if(shift)
-		c = kbtabshift[c];
-	else
-		c = kbtab[c];
-
-	if(caps && c<='z' && c>='a')
-		c += 'A' - 'a';
-
-	/*
-	 *  keyup only important for shifts
-	 */
-	if(keyup){
-		switch(c){
-		case Latin:
-			alt = 0;
-			break;
-		case Shift:
-			shift = 0;
-			mouseshifted = 0;
-			break;
-		case Ctrl:
-			ctl = 0;
-			break;
-		}
-		return;
-	}
-
-	/*
- 	 *  normal character
-	 */
-	if(!(c & (Spec|KF))){
-		if(ctl){
-			if(alt && c == Del)
-				exit(0);
-			c &= 0x1f;
-		}
-		if(!collecting){
-			kbdputc(kbdq, c);
-			return;
-		}
-		kc[nk++] = c;
-		c = latin1(kc, nk);
-		if(c < -1)	/* need more keystrokes */
-			return;
-		if(c != -1)	/* valid sequence */
-			kbdputc(kbdq, c);
-		else	/* dump characters */
-			for(i=0; i<nk; i++)
-				kbdputc(kbdq, kc[i]);
-		nk = 0;
-		collecting = 0;
-		return;
-	} else {
-		switch(c){
-		case Caps:
-			caps ^= 1;
-			return;
-		case Num:
-			num ^= 1;
-			return;
-		case Shift:
-			shift = 1;
-			mouseshifted = 1;
-			return;
-		case Latin:
-			alt = 1;
-			/*
-			 * VMware uses Ctl-Alt as the key combination
-			 * to make the VM give up keyboard and mouse focus.
-			 * This has the unfortunate side effect that when you
-			 * come back into focus, Plan 9 thinks you want to type
-			 * a compose sequence (you just typed alt). 
-			 *
-			 * As a clumsy hack around this, we look for ctl-alt
-			 * and don't treat it as the start of a compose sequence.
-			 */
-			if(!ctl){
-				collecting = 1;
-				nk = 0;
-			}
-			return;
-		case Ctrl:
-			collecting = 0;
-			nk = 0;
-			ctl = 1;
-			return;
-		}
-	}
-	kbdputc(kbdq, c);
-}
-
-void
-i8042auxenable(void (*putc)(int, int))
-{
-	char *err = "i8042: aux init failed\n";
-
-	/* enable kbd/aux xfers and interrupts */
-	ccc &= ~Cauxdis;
-	ccc |= Cauxint;
-
-	ilock(&i8042lock);
-	if(outready() < 0)
-		print(err);
-	outb(Cmd, 0x60);			/* write control register */
-	if(outready() < 0)
-		print(err);
-	outb(Data, ccc);
-	if(outready() < 0)
-		print(err);
-	outb(Cmd, 0xA8);			/* auxilliary device enable */
-	if(outready() < 0){
-		iunlock(&i8042lock);
-		return;
-	}
-	auxputc = putc;
-	intrenable(IrqAUX, i8042intr, 0, BUSUNKNOWN, "kbdaux");
-	iunlock(&i8042lock);
-}
-
-void
-kbdinit(void)
-{
-	int c;
-
-	/* wait for a quiescent controller */
-	while((c = inb(Status)) & (Outbusy | Inready))
-		if(c & Inready)
-			inb(Data);
-
-	/* get current controller command byte */
-	outb(Cmd, 0x20);
-	if(inready() < 0){
-		print("kbdinit: can't read ccc\n");
-		ccc = 0;
-	} else
-		ccc = inb(Data);
-
-	/* enable kbd xfers and interrupts */
-	/* disable mouse */
-	ccc &= ~Ckbddis;
-	ccc |= Csf | Ckbdint | Cscs1;
-	if(outready() < 0)
-		print("kbd init failed\n");
-	outb(Cmd, 0x60);
-	if(outready() < 0)
-		print("kbd init failed\n");
-	outb(Data, ccc);
-	outready();
-}
-
-void
-kbdenable(void)
-{
-	if(kbdq == nil){
-		kbdq = qopen(4*1024, 0, 0, 0);
-		if(kbdq == nil)
-			panic("kbdinit");
-		qnoblock(kbdq, 1);
-	}
-
-	ioalloc(Data, 1, 0, "kbd");
-	ioalloc(Cmd, 1, 0, "kbd");
-
-	intrenable(IrqKBD, i8042intr, 0, BUSUNKNOWN, "kbd");
-}
-- 
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