/*-
 * Copyright (c) 2005-2007, Kohsuke Ohtani
 * 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 author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 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.
 */

/*
 * main.c - driver main routine
 */

#include <driver.h>
#include <machdep.h>

#ifdef DEBUG
#define DPRINTF(a) printf a
#else
#define DPRINTF(a)
#endif

#define MAXDRIVER	100

extern struct driver *driver_table[];

/*
 * Entry point of driver module
 */
void
driver_main(void)
{
	struct driver *drv;
	int order, i, err;

	DPRINTF(("Prex driver module built: " __DATE__ "\n"));

	/*
	 * Initialize platform hardware.
	 */
	if (machine_init())
		panic("driver_main: init failed");

	/*
	 * Call init routine for all device drivers with init order.
	 * Smaller value will be run first.
	 */
	for (order = 0; order < 16; order++) {
		for (i = 0; i < MAXDRIVER; i++) {
			drv = driver_table[i];
			if (drv == NULL)
				break;
			ASSERT(drv->order < 16);
			if (drv->order == order) {
				if (drv->init) {
					DPRINTF(("Initializing %s\n",
						 drv->name));
					err = drv->init();
				}
			}
		}
	}
}