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Annotation of sys/arch/sparc/stand/boot/boot.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: boot.c,v 1.6 2003/08/14 17:13:57 deraadt Exp $        */
                      2: /*     $NetBSD: boot.c,v 1.2 1997/09/14 19:27:21 pk Exp $      */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1982, 1986, 1990, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)boot.c      8.1 (Berkeley) 6/10/93
                     33:  */
                     34:
                     35: #include <sys/param.h>
                     36: #include <sys/reboot.h>
                     37: #include <a.out.h>
                     38: #include <lib/libsa/stand.h>
                     39:
                     40: #include <sparc/stand/common/promdev.h>
                     41:
                     42: void copyunix(int, char *);
                     43: void promsyms(int, struct exec *);
                     44: int debug;
                     45: int netif_debug;
                     46:
                     47: /*
                     48:  * Boot device is derived from ROM provided information.
                     49:  */
                     50: #define        DEFAULT_KERNEL  "bsd"
                     51:
                     52: extern char    *version;
                     53: extern vaddr_t esym;
                     54: char           fbuf[80], dbuf[128];
                     55:
                     56: typedef void (*entry_t)(caddr_t, int, int, int, long, long);
                     57: int loadfile(int, vaddr_t *);
                     58:
                     59: main(int argc, char *argv[])
                     60: {
                     61:        int     io;
                     62:        char    *file;
                     63:        entry_t entry;
                     64:
                     65:        prom_init();
                     66:
                     67:        printf(">> OpenBSD BOOT %s\n", version);
                     68:
                     69:        file = prom_bootfile;
                     70:        if (file == 0 || *file == 0)
                     71:                file = DEFAULT_KERNEL;
                     72:
                     73:        for (;;) {
                     74:                if (prom_boothow & RB_ASKNAME) {
                     75:                        printf("device[%s]: ", prom_bootdevice);
                     76:                        gets(dbuf);
                     77:                        if (dbuf[0])
                     78:                                prom_bootdevice = dbuf;
                     79:                        printf("boot: ");
                     80:                        gets(fbuf);
                     81:                        if (fbuf[0])
                     82:                                file = fbuf;
                     83:                }
                     84:                if ((io = open(file, 0)) >= 0)
                     85:                        break;
                     86:                printf("open: %s: %s\n", file, strerror(errno));
                     87:                prom_boothow |= RB_ASKNAME;
                     88:        }
                     89:
                     90:        printf("Booting %s @ 0x%x\n", file, LOADADDR);
                     91:        loadfile(io, (vaddr_t *)&entry);
                     92:
                     93:        /* Note: args 2-4 not used due to conflicts with SunOS loaders */
                     94:        (*entry)(cputyp == CPU_SUN4 ? LOADADDR : (caddr_t)promvec,
                     95:                 0, 0, 0, esym, DDB_MAGIC1);
                     96:
                     97:        _rtt();
                     98: }