/*      $NetBSD: autoconf.c,v 1.3 2024/10/13 16:21:37 jmcneill Exp $    */

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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.
*
*      @(#)autoconf.c  7.1 (Berkeley) 5/9/91
*/

/*
* Setup the system to run on the current machine.
*
* Configure() is called at boot time and initializes the vba
* device tables and the memory controller monitoring.  Available
* devices are determined (from possibilities mentioned in ioconf.c),
* and the drivers are initialized.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.3 2024/10/13 16:21:37 jmcneill Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/disklabel.h>
#include <sys/conf.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <sys/boot_flag.h>

#include <powerpc/pte.h>

#include <machine/wii.h>

void findroot(void);
void disable_intr(void);
void enable_intr(void);

static void parse_cmdline(void);

/*
* Determine i/o configuration for a machine.
*/
void
cpu_configure(void)
{
       parse_cmdline();

       if (config_rootfound("mainbus", NULL) == NULL)
               panic("configure: mainbus not configured");

       genppc_cpu_configure();

       wii_slot_led(false);
}

void
cpu_rootconf(void)
{
       findroot();

       printf("boot device: %s\n",
           booted_device ? device_xname(booted_device) : "<unknown>");

       rootconf();
}

void
findroot(void)
{
}

void
device_register(device_t dev, void *aux)
{
       if (bootspec != NULL && strcmp(device_xname(dev), bootspec) == 0) {
               booted_device = dev;
               booted_partition = 0;
       }
}

static void
parse_cmdline(void)
{
       static char bootspec_buf[64];
       extern char wii_cmdline[];
       const char *cmdline = wii_cmdline;

       while (*cmdline != '\0') {
               const char *cp = cmdline;

               if (*cp == '-') {
                       for (cp++; *cp != '\0'; cp++) {
                               BOOT_FLAG(*cp, boothowto);
                       }
               } else if (strncmp(cp, "root=", 5) == 0) {
                       snprintf(bootspec_buf, sizeof(bootspec_buf), "%s",
                           cp + 5);
                       if (bootspec_buf[0] != '\0') {
                               bootspec = bootspec_buf;
                               booted_method = "bootinfo/rootdevice";
                       }
               }

               cmdline += strlen(cmdline) + 1;
       }
}