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📄 Makefile(1.46 KB)
📄 Makefile.depend(219 B)
📄 amd64_tramp.S(2.82 KB)
📄 bio.c(2.14 KB)
📄 biosacpi.c(4.52 KB)
📄 biosdisk.c(31.58 KB)
📄 biosmem.c(7.21 KB)
📄 biospci.c(9.84 KB)
📄 biospnp.c(7.42 KB)
📄 biossmap.c(4.31 KB)
📄 bootinfo.c(3.64 KB)
📄 bootinfo32.c(8.63 KB)
📄 bootinfo64.c(8.08 KB)
📄 comconsole.c(9.37 KB)
📄 devicename.c(5.3 KB)
📄 elf32_freebsd.c(2.76 KB)
📄 elf64_freebsd.c(3.75 KB)
📄 i386_copy.c(2.13 KB)
📄 i386_module.c(1.59 KB)
📄 libi386.h(5.18 KB)
📄 multiboot.c(11.19 KB)
📄 multiboot.h(6.77 KB)
📄 multiboot_tramp.S(2.06 KB)
📄 nullconsole.c(2.67 KB)
📄 pread.c(2.42 KB)
📄 pxe.c(13.8 KB)
📄 pxe.h(14.61 KB)
📄 pxetramp.S(1.01 KB)
📄 relocater_tramp.S(8.32 KB)
📄 spinconsole.c(3.11 KB)
📄 time.c(3.13 KB)
📄 vbe.c(27.6 KB)
📄 vbe.h(5.43 KB)
📄 vidconsole.c(33.89 KB)

Editing: nullconsole.c

/*-
 * nullconsole.c
 *
 * Author: Doug Ambrisko <ambrisko@whistle.com>
 * Copyright (c) 2000 Whistle Communications, Inc.
 * All rights reserved.
 * 
 * Subject to the following obligations and disclaimer of warranty, use and
 * redistribution of this software, in source or object code forms, with or
 * without modifications are expressly permitted by Whistle Communications;
 * provided, however, that:
 * 1. Any and all reproductions of the source or object code must include the
 *    copyright notice above and the following disclaimer of warranties; and
 * 2. No rights are granted, in any manner or form, to use Whistle
 *    Communications, Inc. trademarks, including the mark "WHISTLE
 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
 *    such appears in the above copyright notice or in the software.
 * 
 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <stand.h>
#include <bootstrap.h>

static void	nullc_probe(struct console *cp);
static int	nullc_init(int arg);
static void	nullc_putchar(int c);
static int	nullc_getchar(void);
static int	nullc_ischar(void);

struct console nullconsole = {
	"nullconsole",
	"null port",
	0,
	nullc_probe,
	nullc_init,
	nullc_putchar,
	nullc_getchar,
	nullc_ischar
};

static void
nullc_probe(struct console *cp)
{
	cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
}

static int
nullc_init(int arg)
{
	return(0);
}

static void
nullc_putchar(int c)
{
}

static int
nullc_getchar(void)
{
	return(-1);
}

static int
nullc_ischar(void)
{
	return(0);
}

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Editing: nullconsole.c

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