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