1 files changed, 0 insertions, 112 deletions
diff --git a/arch/i386/boot/tty.c b/arch/i386/boot/tty.c
deleted file mode 100644
index f3f14bd..0000000
--- a/arch/i386/boot/tty.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* -*- linux-c -*- ------------------------------------------------------- *
- *
- *   Copyright (C) 1991, 1992 Linus Torvalds
- *   Copyright 2007 rPath, Inc. - All Rights Reserved
- *
- *   This file is part of the Linux kernel, and is made available under
- *   the terms of the GNU General Public License version 2.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * arch/i386/boot/tty.c
- *
- * Very simple screen I/O
- * XXX: Probably should add very simple serial I/O?
- */
-
-#include "boot.h"
-
-/*
- * These functions are in .inittext so they can be used to signal
- * error during initialization.
- */
-
-void __attribute__((section(".inittext"))) putchar(int ch)
-{
-	unsigned char c = ch;
-
-	if (c == '\n')
-		putchar('\r');	/* \n -> \r\n */
-
-	/* int $0x10 is known to have bugs involving touching registers
-	   it shouldn't.  Be extra conservative... */
-	asm volatile("pushal; pushw %%ds; int $0x10; popw %%ds; popal"
-		     : : "b" (0x0007), "c" (0x0001), "a" (0x0e00|ch));
-}
-
-void __attribute__((section(".inittext"))) puts(const char *str)
-{
-	int n = 0;
-	while (*str) {
-		putchar(*str++);
-		n++;
-	}
-}
-
-/*
- * Read the CMOS clock through the BIOS, and return the
- * seconds in BCD.
- */
-
-static u8 gettime(void)
-{
-	u16 ax = 0x0200;
-	u16 cx, dx;
-
-	asm volatile("int $0x1a"
-		     : "+a" (ax), "=c" (cx), "=d" (dx)
-		     : : "ebx", "esi", "edi");
-
-	return dx >> 8;
-}
-
-/*
- * Read from the keyboard
- */
-int getchar(void)
-{
-	u16 ax = 0;
-	asm volatile("int $0x16" : "+a" (ax));
-
-	return ax & 0xff;
-}
-
-static int kbd_pending(void)
-{
-	u8 pending;
-	asm volatile("int $0x16; setnz %0"
-		     : "=rm" (pending)
-		     : "a" (0x0100));
-	return pending;
-}
-
-void kbd_flush(void)
-{
-	for (;;) {
-		if (!kbd_pending())
-			break;
-		getchar();
-	}
-}
-
-int getchar_timeout(void)
-{
-	int cnt = 30;
-	int t0, t1;
-
-	t0 = gettime();
-
-	while (cnt) {
-		if (kbd_pending())
-			return getchar();
-
-		t1 = gettime();
-		if (t0 != t1) {
-			cnt--;
-			t0 = t1;
-		}
-	}
-
-	return 0;		/* Timeout! */
-}