NetBSD/sys/lib/libnetboot/boot_tftp.c

85 lines
2.7 KiB
C

/*
* Copyright (c) 1993 Christopher G. Demetriou
* 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 by Christopher G. Demetriou.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software withough 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.
*
* $Id: boot_tftp.c,v 1.2 1993/10/16 07:57:40 cgd Exp $
*/
#include <sys/types.h>
#include <netinet/in_systm.h>
#include "salibc.h"
#include "netboot.h"
#include "netif.h"
void
boot_tftp(kernel_override, machdep_hint)
char *kernel_override;
void *machdep_hint;
{
/*
* 0. get common ether addr if exists
* 1. choose interface
* 2. set up interface
* 3. bootp or bootparam
* 4. load kernel
* 5. run kernel
*/
struct iodesc desc;
struct netif *nif;
caddr_t startaddr;
int loaded;
loaded = 0;
netif_init();
while (!loaded) {
bzero(&desc, sizeof(desc));
machdep_common_ether(desc.myea);
nif = netif_select(machdep_hint);
if (!nif)
panic("netboot: tried all interfaces, got nowhere");
if (netif_probe(nif, machdep_hint)) {
printf("netboot: couldn't probe %s%d\n",
nif->nif_driver->netif_bname, nif->nif_unit);
continue;
}
netif_attach(nif, &desc, machdep_hint);
get_bootinfo(&desc);
/* loaded = tftp_load(&desc, kernel_override, &startaddr);*/
netif_detach(nif);
#ifdef notdef
if (loaded)
call((u_long) startaddr);
#endif
}
}