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Annotation of sys/arch/hppa/stand/cdboot/cdboot.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: cdboot.c,v 1.7 2004/06/14 00:32:31 deraadt Exp $      */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2003 Michael Shalayeff
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
        !            25:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
        !            26:  * THE POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #include <sys/param.h>
        !            30: #include <sys/reboot.h>
        !            31: #include <sys/stat.h>
        !            32: #include <libsa.h>
        !            33: #include <lib/libsa/cd9660.h>
        !            34: #include <lib/libsa/loadfile.h>
        !            35: #include <dev/cons.h>
        !            36: #include <machine/pdc.h>
        !            37: #include <stand/boot/bootarg.h>
        !            38: #include "dev_hppa.h"
        !            39: #include "cmd.h"
        !            40:
        !            41: dev_t bootdev;
        !            42: int debug = 1;
        !            43: int bootprompt = 1;
        !            44:
        !            45: struct fs_ops file_system[] = {
        !            46:        { cd9660_open, cd9660_close, cd9660_read, cd9660_write, cd9660_seek,
        !            47:          cd9660_stat, cd9660_readdir },
        !            48: };
        !            49: int nfsys = NENTS(file_system);
        !            50:
        !            51: struct devsw devsw[] = {
        !            52:        { "dk", iodcstrategy, dkopen, dkclose, noioctl },
        !            53: };
        !            54: int    ndevs = NENTS(devsw);
        !            55:
        !            56: struct consdev constab[] = {
        !            57:        { ite_probe, ite_init, ite_getc, ite_putc },
        !            58:        { NULL }
        !            59: };
        !            60: struct consdev *cn_tab;
        !            61:
        !            62: typedef void (*startfuncp)(int, int, int, int, int, int, caddr_t)
        !            63:     __attribute__ ((noreturn));
        !            64:
        !            65: void
        !            66: boot(dev_t dev)
        !            67: {
        !            68:        u_long marks[MARK_MAX];
        !            69:        char path[128];
        !            70:
        !            71:        pdc_init();
        !            72:        cninit();
        !            73:        devboot(dev, path);
        !            74:        strncpy(path + strlen(path), ":/bsd.rd", 9);
        !            75:        printf(">> OpenBSD/" MACHINE " CDBOOT 0.1\n"
        !            76:            "booting %s: ", path);
        !            77:
        !            78:        marks[MARK_START] = (u_long)DEFAULT_KERNEL_ADDRESS;
        !            79:        if (!loadfile(path, marks, LOAD_KERNEL)) {
        !            80:                marks[MARK_END] = ALIGN(marks[MARK_END] -
        !            81:                    (u_long)DEFAULT_KERNEL_ADDRESS);
        !            82:                fcacheall();
        !            83:
        !            84:                __asm("mtctl %r0, %cr17");
        !            85:                __asm("mtctl %r0, %cr17");
        !            86:                (*(startfuncp)(marks[MARK_ENTRY]))((int)pdc, 0, bootdev,
        !            87:                    marks[MARK_END], BOOTARG_APIVER, BOOTARG_LEN,
        !            88:                    (caddr_t)BOOTARG_OFF);
        !            89:                /* not reached */
        !            90:        }
        !            91: }