/* * Copyright (c) 1993 Adam Glass * All rights reserved. * * A lot of this code is derived material from the LBL bootbootp release, * thus their copyright below. * * 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 Adam Glass. * 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 Adam Glass ``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 REGENTS OR CONTRIBUTORS 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. * * $Header: /b/source/CVS/src/sys/lib/libnetboot/boot_nfs.c,v 1.5 1993/10/16 07:57:39 cgd Exp $ */ /* * Copyright (c) 1992 Regents of the University of California. * All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * 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 the University of * California, Lawrence Berkeley Laboratory and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#) $Header: /b/source/CVS/src/sys/lib/libnetboot/boot_nfs.c,v 1.5 1993/10/16 07:57:39 cgd Exp $ (LBL) */ #include #include #include #include #include #include #include #include #include #include "salibc.h" #include "netboot.h" #include "bootbootp.h" #include "bootp.h" #include "netif.h" static u_char rootfh[NFS_FHSIZE]; static u_char swapfh[NFS_FHSIZE]; static u_long swapblks; static time_t roottime; void nfs_setup(desc) struct iodesc *desc; { u_long ftype, bytes; bcopy(&desc->myea[4], &desc->myport, 2); printf("myip: %s", intoa(desc->myip)); if (gateip) printf(", gateip: %s", intoa(gateip)); if (mask) printf(", mask: %s", intoa(mask)); printf("\n"); printf("root: %s:%s\n", intoa(rootip), rootpath); printf("swap: %s:%s\n", intoa(swapip), swappath); /* Get root file handle and timestamp */ desc->destip = rootip; getnfsfh(desc, rootpath, rootfh); desc->fh = rootfh; getnfsinfo(desc, &roottime, NULL, &ftype); if (ftype != NFDIR) panic("bad root ftype %d", ftype); #ifdef DEBUG if (debug) printf("nfs_setup: got root fh\n"); #endif desc->destip = swapip; getnfsfh(desc, swappath, swapfh); desc->fh = swapfh; getnfsinfo(desc, NULL, &bytes, &ftype); if (bytes % 512) printf("warning: swap is odd sized\n"); if (ftype != NFREG) panic("bad swap ftype %d\n", ftype); swapblks = bytes / 512; #ifdef DEBUG if (debug) printf("nfs_setup: got swap fh\n"); #endif printf("swap: %d (%d blocks)\n", bytes, swapblks); desc->destip = rootip; desc->fh = rootfh; } unsigned int boot_nfs(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. get filesystem fh information * 5. get swap information * 6. load kernel * 7. if nfs_diskless crud, do the right thign * 8. run kernel */ struct iodesc desc; struct netif *nif; netif_init(); while (1) { bzero(&desc, sizeof(desc)); machdep_common_ether(desc.myea); nif = netif_select(machdep_hint); if (!nif) panic("netboot: no interfaces left untried"); 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); nfs_setup(&desc); nfs_exec(&desc, kernel_override); netif_detach(nif); } }