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Annotation of sys/arch/hppa/stand/cdboot/cdboot.c, Revision 1.1.1.1

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: }