/*      $NetBSD: uboot.c,v 1.18 2022/12/11 06:20:08 tsutsui Exp $       */

/*-
* Copyright (c) 1982, 1986, 1990, 1993
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)boot.c      8.1 (Berkeley) 6/10/93
*/

#include <sys/param.h>
#include <sys/boot_flag.h>

#include <lib/libsa/stand.h>
#include <lib/libkern/libkern.h>

#include <hp300/stand/common/samachdep.h>

/*
* Boot program... bits in `howto' determine whether boot stops to
* ask for system name.  Boot device is derived from ROM provided
* information.
*/

char line[100];

/*
* XXX UFS accepts a /, NFS doesn't.
*/
char *name;
char *names[] = {
       "netbsd",               "netbsd.gz",
       "netbsd.bak",           "netbsd.bak.gz",
       "netbsd.old",           "netbsd.old.gz",
       "onetbsd",              "onetbsd.gz",
       NULL
};
#define NUMNAMES        (sizeof(names) / sizeof(char *))

static int bdev, badapt, bctlr, bunit, bpart;

void main(void);
void getbootdev(int *);

void
main(void)
{
       int currname = 0;

       printf("\n");
       printf(">> %s, Revision %s (from NetBSD %s)\n",
           bootprog_name, bootprog_rev, bootprog_kernrev);
       printf(">> HP 9000/%s SPU\n", getmachineid());
       printf(">> Enter \"reset\" to reset system.\n");

       bdev   = B_TYPE(bootdev);
       badapt = B_ADAPTOR(bootdev);
       bctlr  = B_CONTROLLER(bootdev);
       bunit  = B_UNIT(bootdev);
       bpart  = B_PARTITION(bootdev);

       for (;;) {
               name = names[currname++];
               if (currname == NUMNAMES)
                       currname = 0;

               if (!noconsole) {
                       howto = 0;
                       getbootdev(&howto);
               } else
                       printf(": %s\n", name);
               exec_hp300(name, (u_long)lowram, howto);
               printf("boot: %s\n", strerror(errno));
       }
}

void
getbootdev(int *howto)
{
       char c, *ptr = line;

       printf("Boot: [[[%s%d%c:]%s][-a][-c][-d][-s][-v][-q]] :- ",
           devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name);

       if (tgets(line, sizeof(line))) {
               if (strcmp(line, "reset") == 0) {
                       call_req_reboot();      /* reset machine */
                       printf("panic: can't reboot, halting\n");
                       __asm("stop #0x2700");
               }
               while ((c = *ptr) != '\0') {
                       while (c == ' ')
                               c = *++ptr;
                       if (!c)
                               return;
                       if (c == '-')
                               while ((c = *++ptr) && c != ' ')
                                       BOOT_FLAG(c, *howto);
                       else {
                               name = ptr;
                               while ((c = *++ptr) && c != ' ');
                               if (c)
                                       *ptr++ = 0;
                       }
               }
       } else
               printf("\n");
}