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Annotation of sys/arch/alpha/stand/netboot/netboot.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: netboot.c,v 1.7 2005/12/17 07:31:25 miod Exp $        */
        !             2: /*     $NetBSD: netboot.c,v 1.1 1996/09/18 20:03:12 cgd Exp $  */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1992, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * Ralph Campbell.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)boot.c      8.1 (Berkeley) 6/10/93
        !            36:  */
        !            37:
        !            38: #include <lib/libkern/libkern.h>
        !            39: #include <lib/libsa/stand.h>
        !            40:
        !            41: #include <sys/param.h>
        !            42: #include <sys/exec.h>
        !            43: #include <sys/exec_ecoff.h>
        !            44:
        !            45: #include <machine/rpb.h>
        !            46: #include <machine/prom.h>
        !            47:
        !            48: #define _KERNEL
        !            49: #include "include/pte.h"
        !            50:
        !            51: int loadfile(char *, u_int64_t *);
        !            52:
        !            53: char boot_file[128];
        !            54: char boot_flags[128];
        !            55:
        !            56: extern char bootprog_name[], bootprog_rev[];
        !            57:
        !            58: vaddr_t ffp_save, ptbr_save;
        !            59:
        !            60: int debug;
        !            61:
        !            62: void
        !            63: main()
        !            64: {
        !            65:        u_int64_t entry;
        !            66:
        !            67:        /* Init prom callback vector. */
        !            68:        init_prom_calls();
        !            69:
        !            70:        /* print a banner */
        !            71:        printf("%s %s\n", bootprog_name, bootprog_rev);
        !            72:
        !            73:        /* switch to OSF pal code. */
        !            74:        OSFpal();
        !            75:
        !            76:        prom_getenv(PROM_E_BOOTED_FILE, boot_file, sizeof(boot_file));
        !            77:        prom_getenv(PROM_E_BOOTED_OSFLAGS, boot_flags, sizeof(boot_flags));
        !            78:
        !            79:        if (boot_file[0] == '\0')
        !            80:                bcopy("bsd", boot_file, sizeof "bsd");
        !            81:
        !            82:        (void)printf("Boot: %s %s\n", boot_file, boot_flags);
        !            83:
        !            84:        if (!loadfile(boot_file, &entry)) {
        !            85:                (void)printf("Entering kernel at 0x%lx...\n", entry);
        !            86:                (*(void (*)())entry)(ffp_save, ptbr_save, 0);
        !            87:        }
        !            88:
        !            89:        (void)printf("Boot failed!  Halting...\n");
        !            90:        halt();
        !            91: }