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Diffstat (limited to 'sys/arch/i386/netboot/kbd.c')
-rw-r--r--sys/arch/i386/netboot/kbd.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/sys/arch/i386/netboot/kbd.c b/sys/arch/i386/netboot/kbd.c
deleted file mode 100644
index 6b6f33e1662..00000000000
--- a/sys/arch/i386/netboot/kbd.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* $NetBSD: kbd.c,v 1.3 1994/10/27 04:21:15 cgd Exp $ */
-
-/* netboot
- *
- * source in this file came from
- * the original 386BSD boot blocks.
- *
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- *
- * @(#)kbd.c 7.4 (Berkeley) 5/4/91
- */
-
-#include "proto.h"
-
-#define KBSTATP 0x64 /* kbd status port */
-#define KBS_INP_BUF_FUL 0x02 /* kbd char ready */
-#define KBDATAP 0x60 /* kbd data port */
-
-#define K_RDWR 0x60 /* keyboard data & cmds (read/write) */
-#define K_STATUS 0x64 /* keyboard status */
-#define K_CMD 0x64 /* keybd ctlr command (write-only) */
-
-#define K_OBUF_FUL 0x01 /* output buffer full */
-#define K_IBUF_FUL 0x02 /* input buffer full */
-
-#define KC_CMD_WIN 0xd0 /* read output port */
-#define KC_CMD_WOUT 0xd1 /* write output port */
-#define KB_A20 0x9f /* enable A20,
- enable output buffer full interrupt
- enable data line
- disable clock line */
-
-#define L 0x01 /* locking function */
-#define SHF 0x02 /* keyboard shift */
-#define ALT 0x04 /* alternate shift -- alternate chars */
-#define NUM 0x08 /* numeric shift cursors vs. numeric */
-#define CTL 0x10 /* control shift -- allows ctl function */
-#define CPS 0x20 /* caps shift -- swaps case of letter */
-#define ASCII 0x40 /* ascii code for this key */
-#define STP 0x80 /* stop output */
-
-static u_char action[128] = {
-0, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 0- 7 */
-ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 8-15 */
-ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 16-23 */
-ASCII, ASCII, ASCII, ASCII, ASCII, CTL, ASCII, ASCII, /* scan 24-31 */
-ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 32-39 */
-ASCII, ASCII, SHF , ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 40-47 */
-ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, SHF, ASCII, /* scan 48-55 */
- ALT, ASCII, CPS|L, 0, 0, ASCII, 0, 0, /* scan 56-63 */
- 0, 0, 0, 0, 0, NUM|L, STP|L, ASCII, /* scan 64-71 */
-ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 72-79 */
-ASCII, ASCII, ASCII, ASCII, 0, 0, 0, 0, /* scan 80-87 */
-0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ;
-
-static u_char unshift[128] = { /* no shift */
-0, 033 , '1' , '2' , '3' , '4' , '5' , '6' , /* scan 0- 7 */
-'7' , '8' , '9' , '0' , '-' , '=' , 0177 ,'\t' , /* scan 8-15 */
-
-'q' , 'w' , 'e' , 'r' , 't' , 'y' , 'u' , 'i' , /* scan 16-23 */
-'o' , 'p' , '[' , ']' , '\r' , CTL , 'a' , 's' , /* scan 24-31 */
-
-'d' , 'f' , 'g' , 'h' , 'j' , 'k' , 'l' , ';' , /* scan 32-39 */
-'\'' , '`' , SHF , '\\' , 'z' , 'x' , 'c' , 'v' , /* scan 40-47 */
-
-'b' , 'n' , 'm' , ',' , '.' , '/' , SHF , '*', /* scan 48-55 */
-ALT , ' ' , CPS|L, 0, 0, ' ' , 0, 0, /* scan 56-63 */
-
- 0, 0, 0, 0, 0, NUM|L, STP|L, '7', /* scan 64-71 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 72-79 */
-
- '2', '3', '0', '.', 0, 0, 0, 0, /* scan 80-87 */
-0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ;
-
-static u_char shift[128] = { /* shift shift */
-0, 033 , '!' , '@' , '#' , '$' , '%' , '^' , /* scan 0- 7 */
-'&' , '*' , '(' , ')' , '_' , '+' , 0177 ,'\t' , /* scan 8-15 */
-'Q' , 'W' , 'E' , 'R' , 'T' , 'Y' , 'U' , 'I' , /* scan 16-23 */
-'O' , 'P' , '[' , ']' , '\r' , CTL , 'A' , 'S' , /* scan 24-31 */
-'D' , 'F' , 'G' , 'H' , 'J' , 'K' , 'L' , ':' , /* scan 32-39 */
-'"' , '~' , SHF , '|' , 'Z' , 'X' , 'C' , 'V' , /* scan 40-47 */
-'B' , 'N' , 'M' , '<' , '>' , '?' , SHF , '*', /* scan 48-55 */
-ALT , ' ' , CPS|L, 0, 0, ' ' , 0, 0, /* scan 56-63 */
- 0, 0, 0, 0, 0, NUM|L, STP|L, '7', /* scan 64-71 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 72-79 */
- '2', '3', '0', '.', 0, 0, 0, 0, /* scan 80-87 */
-0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ;
-
-static u_char ctl[128] = { /* CTL shift */
-0, 033 , '!' , 000 , '#' , '$' , '%' , 036 , /* scan 0- 7 */
-'&' , '*' , '(' , ')' , 037 , '+' , 034 ,'\177', /* scan 8-15 */
-021 , 027 , 005 , 022 , 024 , 031 , 025 , 011 , /* scan 16-23 */
-017 , 020 , 033 , 035 , '\r' , CTL , 001 , 013 , /* scan 24-31 */
-004 , 006 , 007 , 010 , 012 , 013 , 014 , ';' , /* scan 32-39 */
-'\'' , '`' , SHF , 034 , 032 , 030 , 003 , 026 , /* scan 40-47 */
-002 , 016 , 015 , '<' , '>' , '?' , SHF , '*', /* scan 48-55 */
-ALT , ' ' , CPS|L, 0, 0, ' ' , 0, 0, /* scan 56-63 */
-CPS|L, 0, 0, 0, 0, 0, 0, 0, /* scan 64-71 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 72-79 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 80-87 */
- 0, 0, 033, '7' , '4' , '1' , 0, NUM|L, /* scan 88-95 */
-'8' , '5' , '2' , 0, STP|L, '9' , '6' , '3' , /*scan 96-103*/
-'.' , 0, '*' , '-' , '+' , 0, 0, 0, /*scan 104-111*/
-0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ;
-
-static u_char shfts, ctls, alts, caps, num, stp;
-static u_char chr;
-static int is_chr_queued = 0;
-
-static int
-ProcessKbdEvent(void) {
- /* Returns 1 if event result is an ascii char, 0 otherwise (or no event).
- * As a side effect, it digests keyboard events and queues bona fide
- * characters for subsequent reading.
- */
- u_char dt, brk, act;
- if ((inb(KBSTATP) & 0x01) == 0)
- return is_chr_queued;
- dt = inb(KBDATAP);
- brk = dt & 0x80;
- dt = dt & 0x7f;
-
- act = action[dt];
- if (act & SHF) {
- if (brk)
- shfts = 0;
- else
- shfts = 1;
- }
- if (act & ALT) {
- if (brk)
- alts = 0;
- else
- alts = 1;
- }
- if (act & NUM) {
- if (act & L) {
- if (!brk)
- num ^= 1;
- } else
- if(brk)
- num = 0;
- else
- num = 1;
- }
- if (act & CTL) {
- if (brk)
- ctls = 0;
- else
- ctls = 1;
- }
- if (act & CPS) {
- if (act & L) {
- if (!brk)
- caps ^= 1;
- } else
- if (brk)
- caps = 0;
- else
- caps = 1;
- }
- if (act & STP) {
- if (act & L) {
- if (!brk)
- stp ^= 1;
- } else
- if (brk)
- stp = 0;
- else
- stp = 1;
- }
- if (ctls && alts && dt == 83)
- exit(1);
- if ((act & ASCII) && !brk) {
- if (shfts) {
- chr = shift[dt];
- } else {
- if (ctls) {
- chr = ctl[dt];
- } else {
- chr = unshift[dt];
- }
- }
- if (caps && (chr >= 'a' && chr <= 'z')) {
- chr -= 'a' - 'A' ;
- }
- is_chr_queued = 1;
- }
- return is_chr_queued;
-}
-
-int
-IsKbdCharReady(void) {
-#ifdef USE_BIOS
- int result;
- asm("
- push %%ebx
- call _prot_to_real
- mov $1, %%ax
- int $0x16
- setz %%bl
- .byte 0x66
- call _real_to_prot
- movsbl %%bl, %0
- pop %%ebx
- " : "=g" (result));
- return result;
-#else
- return ProcessKbdEvent();
-#endif
-}
-
-static int
-scankbd(void) {
-
-#ifdef notdef
- u_char c;
- c = inb(KBDATAP);
- if (c == 83) exit();
- /*if (c == 0xaa) return (0);
- if (c == 0xfa) return (0);*/
-
- if (bdt == 0) { bdt = c&0x7f; return(0); }
-
- if(odt) return(1);
-
- c &= 0x7f;
-
- if (bdt == c) return(0);
- odt = c;
-#endif
- return 1;
-}
-
-static void
-kbdreset(void) {
- u_char c;
-
- /* Enable interrupts and keyboard controller */
- while (inb(KBSTATP)&2); outb(KBSTATP,0x60);
- while (inb(KBSTATP)&2); outb(KBDATAP,0x4D);
-
- /* Start keyboard stuff RESET */
- while (inb(KBSTATP)&2); /* wait input ready */
- outb(KBDATAP,0xFF); /* RESET */
-
- while((c=inb(KBDATAP))!=0xFA) ;
-
- /* While we are here, defeat gatea20 */
- while (inb(KBSTATP)&2); /* wait input ready */
- outb(KBSTATP,0xd1);
- while (inb(KBSTATP)&2); /* wait input ready */
- outb(KBDATAP,0xdf);
- while (inb(KBSTATP)&2); /* wait input ready */
- inb(KBDATAP);
-}
-
-/* TBD - what does this do?, used by ResetCpu() */
-void
-KbdWait(int n) {
- int v;
-
- v = 0;
- while(n-- && (v = scankbd()) == 0);
- if (v) kbdreset();
-}
-
-/*
- * Gate A20 for high memory
- */
-u_char x_20 = KB_A20;
-
-void
-gateA20(void) {
- while (inb(K_STATUS) & K_IBUF_FUL);
- while (inb(K_STATUS) & K_OBUF_FUL)
- (void)inb(K_RDWR);
-
- outb(K_CMD, KC_CMD_WOUT);
- while (inb(K_STATUS) & K_IBUF_FUL);
- outb(K_RDWR, x_20);
- while (inb(K_STATUS) & K_IBUF_FUL);
-}
-
-int
-getc(void) {
-#ifdef USE_BIOS
- int rslt;
- asm("
- push %%ebx
- call _prot_to_real
- movb $0x0, %%ah
- sti
- int $0x16
- cli
- movb %%al, %%bl
- .byte 0x66
- call _real_to_prot
- xor %%eax, %%eax
- movb %%bl, %0
- pop %%ebx
- " : "=g" (rslt));
- return rslt;
-#else
- while (!is_chr_queued) {
- ProcessKbdEvent();
- }
- is_chr_queued = 0;
- return chr;
-#endif
-}
-
-int
-getchar(void) {
- int c;
-
- if ((c=getc()) == '\r')
- c = '\n';
- if (c == '\b') {
- putchar('\b');
- putchar(' ');
- }
- putchar(c);
- return c;
-}
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