/*      $OpenBSD: autoconf.c,v 1.13 2022/12/14 13:55:11 kettenis Exp $  */
/*      $NetBSD: autoconf.c,v 1.2 2001/09/05 16:17:36 matt Exp $        */

/*
 * Copyright (c) 1994-1998 Mark Brinicombe.
 * Copyright (c) 1994 Brini.
 * 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 Mark Brinicombe for
 *      the NetBSD project.
 * 4. The name of the company nor the name of the author may 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 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.
 *
 * RiscBSD kernel project
 *
 * autoconf.c
 *
 * Autoconfiguration functions
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/reboot.h>
#include <sys/device.h>

#include <net/if.h>
#include <net/if_types.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>

#include <machine/bootconfig.h>
#include <machine/intr.h>

struct device *bootdv = NULL;

void dumpconf(void);

void
device_register(struct device *dev, void *aux)
{
}

/*
 * void cpu_configure()
 *
 * Configure all the root devices
 * The root devices are expected to configure their own children
 */
void
cpu_configure(void)
{
        splhigh();

        softintr_init();

        /*
         * Since various PCI interrupts could be routed via the ICU
         * (for PCI devices in the bridge) we need to set up the ICU
         * now so that these interrupts can be established correctly
         * i.e. This is a hack.
         */

        config_rootfound("mainbus", NULL);

        /*
         * We can not know which is our root disk, defer
         * until we can checksum blocks to figure it out.
         */
        cold = 0;

        /* Time to start taking interrupts so lets open the flood gates .... */
        (void)spl0();

}

/*
 * Now that we are fully operational, we can checksum the
 * disks, and using some heuristics, hopefully are able to
 * always determine the correct root disk.
 */
void
diskconf(void)
{
        size_t  len;
        char    *p;
        dev_t   tmpdev;
        extern uint8_t *bootmac;

        if (*boot_file != '\0')
                printf("bootfile: %s\n", boot_file);

        /* Lookup boot device from boot if not set by configuration */
        if (bootdv == NULL) {

                /* boot_file is of the form wd0a:/bsd, we want 'wd0a' */
                if ((p = strchr(boot_file, ':')) != NULL)
                        len = p - boot_file;
                else
                        len = strlen(boot_file);
                bootdv = parsedisk(boot_file, len, 0, &tmpdev);
        }

#if defined(NFSCLIENT)
        if (bootmac) {
                struct ifnet *ifp;

                TAILQ_FOREACH(ifp, &ifnetlist, if_list) {
                        if (ifp->if_type == IFT_ETHER &&
                            memcmp(bootmac, ((struct arpcom *)ifp)->ac_enaddr,
                            ETHER_ADDR_LEN) == 0)
                                break;
                }
                if (ifp)
                        bootdv = parsedisk(ifp->if_xname, strlen(ifp->if_xname),
                            0, &tmpdev);
        }
#endif

        if (bootdv != NULL)
                printf("boot device: %s\n", bootdv->dv_xname);
        else
                printf("boot device: lookup %s failed.\n", boot_file);
        setroot(bootdv, 0, RB_USERREQ);
        dumpconf();
}

const struct nam2blk nam2blk[] = {
        { "wd",         16 },
        { "rd",         18 },
        { "vnd",        19 },
        { "sd",         24 },
        { "cd",         26 },
        { NULL,         -1 }
};