From 2d9bb7f94ea9714b83a53f680a3399d9226b6db9 Mon Sep 17 00:00:00 2001 From: tsutsui Date: Tue, 30 Apr 2002 13:08:01 +0000 Subject: [PATCH] Add getchar(). --- sys/arch/news68k/stand/boot/Makefile | 4 +-- sys/arch/news68k/stand/common/getchar.c | 47 +++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 2 deletions(-) create mode 100644 sys/arch/news68k/stand/common/getchar.c diff --git a/sys/arch/news68k/stand/boot/Makefile b/sys/arch/news68k/stand/boot/Makefile index ea68a3921ce2..93d1c0ab9f26 100644 --- a/sys/arch/news68k/stand/boot/Makefile +++ b/sys/arch/news68k/stand/boot/Makefile @@ -1,4 +1,4 @@ -# $NetBSD: Makefile,v 1.13 2001/12/12 12:24:24 lukem Exp $ +# $NetBSD: Makefile,v 1.14 2002/04/30 13:08:02 tsutsui Exp $ NOMAN= # defined @@ -11,7 +11,7 @@ COMMONOBJ!= cd ${COMMON} && ${PRINTOBJDIR} PROG= boot SRCS= locore.S boot.c devopen.c -SRCS+= romcalls.S putchar.c +SRCS+= romcalls.S getchar.c putchar.c STRIPFLAG= BINMODE= 444 diff --git a/sys/arch/news68k/stand/common/getchar.c b/sys/arch/news68k/stand/common/getchar.c new file mode 100644 index 000000000000..b2d5753ec46a --- /dev/null +++ b/sys/arch/news68k/stand/common/getchar.c @@ -0,0 +1,47 @@ +/* $NetBSD: getchar.c,v 1.1 2002/04/30 13:08:01 tsutsui Exp $ */ + +/*- + * Copyright (C) 2002 Izumi Tsutsui. All rights reserved. + * + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include +#include +#include + +int +getchar() +{ + char c = '\0'; + int i; + + for (;;) { + i = rom_read(1, &c, 1); + if (i == 1) + break; + if (i != -2 && i != 0) + return -1; + } + return c; +}