/*      $NetBSD: bootxxx.c,v 1.10 2022/06/26 14:14:46 tsutsui Exp $     */

/*
 * Copyright (c) 2001 Leo Weppelman.
 * Copyright (c) 1995 Waldi Ravens.
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by Waldi Ravens.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#define boot_BSD        bsd_startup

#include <lib/libsa/stand.h>
#include <atari_stand.h>
#include <libkern.h>
#include <sys/boot_flag.h>
#include <sys/reboot.h>
#include <machine/cpu.h>
#include <kparamb.h>
#include <libtos.h>
#include <tosdefs.h>

int     bootxxx(void *, void *, osdsc_t *);
void    boot_BSD(struct kparamb *)__attribute__((noreturn));

int
bootxxx(void *readsector, void *disklabel, osdsc_t *od)
{
        int             fd;
        char            *errmsg;
        extern char     end[], edata[];

        memset(edata, 0, end - edata);

        /* XXX: Limit should be 16MB */
        setheap(end, (void*)0x1000000);
        printf("\033v\nNetBSD/atari tertiary bootloader "
                                        "($Revision: 1.10 $)\n\n");

        if (init_dskio(readsector, disklabel, od->rootfs))
                return -1;

        sys_info(od);
        if (!(od->cputype & ATARI_ANYCPU)) {
                printf("Unknown CPU-type.\n");
                return -2;
        }

        if ((fd = open(od->osname, 0)) < 0) {
                printf("Cannot open kernel '%s'\n", od->osname);
                return -3;
        }

        if (elf_load(fd, od, &errmsg, 1) != 0)
                return -4;

        boot_BSD(&od->kp);
        return -5;

        /* NOTREACHED */
}

void
_rtt(void)
{

        printf("Halting...\n");
        for (;;)
                ;
}