NetBSD/sys/arch/i386/stand/netboot/devopen.c

87 lines
2.6 KiB
C

/* $NetBSD: devopen.c,v 1.5 1998/05/14 18:17:44 drochner Exp $ */
/*
* Copyright (c) 1996, 1998
* Matthias Drochner. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Matthias Drochner.
* 4. 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.
*
*/
/*
* bootfile from tftp overrides!
* TODO: pass (net) device to net_open
*/
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <lib/libsa/stand.h>
#include <lib/libkern/libkern.h>
#include <lib/libsa/net.h> /* global "bootfile" */
#include <libi386.h>
#ifdef _STANDALONE
#include <bootinfo.h>
#endif
#include "dev_net.h"
#ifdef _STANDALONE
struct btinfo_bootpath bibp;
#endif
int
devopen(f, fname, file)
struct open_file *f;
const char *fname;
char **file;
{
struct devsw *dp;
int error = 0;
dp = &devsw[0];
f->f_dev = dp;
if(fname)
strncpy(bootfile, fname, FNAME_SIZE);
error = net_open(f);
if (bootfile[0])
*file = bootfile;
else
*file = (char *) fname;
#ifdef _STANDALONE
strncpy(bibp.bootpath, *file, sizeof(bibp.bootpath));
BI_ADD(&bibp, BTINFO_BOOTPATH, sizeof(bibp));
#endif
return (error);
}