/*      $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 (;;)
               ;
}