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rump_dev.c revision 1.19.14.3
      1  1.19.14.3     tls /*	$NetBSD: rump_dev.c,v 1.19.14.3 2014/08/20 00:04:40 tls Exp $	*/
      2        1.1   pooka 
      3        1.1   pooka /*
      4        1.1   pooka  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
      5        1.1   pooka  *
      6        1.1   pooka  * Redistribution and use in source and binary forms, with or without
      7        1.1   pooka  * modification, are permitted provided that the following conditions
      8        1.1   pooka  * are met:
      9        1.1   pooka  * 1. Redistributions of source code must retain the above copyright
     10        1.1   pooka  *    notice, this list of conditions and the following disclaimer.
     11        1.1   pooka  * 2. Redistributions in binary form must reproduce the above copyright
     12        1.1   pooka  *    notice, this list of conditions and the following disclaimer in the
     13        1.1   pooka  *    documentation and/or other materials provided with the distribution.
     14        1.1   pooka  *
     15        1.1   pooka  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     16        1.1   pooka  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17        1.1   pooka  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18        1.1   pooka  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19        1.1   pooka  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20        1.1   pooka  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21        1.1   pooka  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22        1.1   pooka  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23        1.1   pooka  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24        1.1   pooka  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25        1.1   pooka  * SUCH DAMAGE.
     26        1.1   pooka  */
     27        1.1   pooka 
     28        1.1   pooka #include <sys/cdefs.h>
     29  1.19.14.3     tls __KERNEL_RCSID(0, "$NetBSD: rump_dev.c,v 1.19.14.3 2014/08/20 00:04:40 tls Exp $");
     30        1.1   pooka 
     31        1.1   pooka #include <sys/param.h>
     32        1.1   pooka #include <sys/device.h>
     33        1.1   pooka 
     34       1.15   pooka #include "rump_private.h"
     35        1.1   pooka #include "rump_dev_private.h"
     36        1.1   pooka 
     37       1.17   pooka int nocomponent(void);
     38       1.17   pooka int nocomponent() {return 0;}
     39       1.17   pooka __weak_alias(buf_syncwait,nocomponent);
     40        1.1   pooka 
     41        1.8   pooka const char *rootspec = "rump0a"; /* usually comes from config */
     42        1.8   pooka 
     43  1.19.14.2     tls RUMP_COMPONENT(RUMP__FACTION_DEV)
     44        1.1   pooka {
     45        1.6   pooka 	extern int cold;
     46        1.1   pooka 
     47       1.10   pooka 	pmf_init();
     48       1.10   pooka 
     49        1.7   pooka 	KERNEL_LOCK(1, curlwp);
     50        1.7   pooka 
     51  1.19.14.3     tls 	rump_mainbus_init();
     52        1.5   pooka 	config_init_mi();
     53        1.1   pooka 
     54       1.15   pooka 	rump_component_init(RUMP_COMPONENT_DEV);
     55        1.1   pooka 
     56        1.1   pooka 	rump_pdev_finalize();
     57        1.1   pooka 
     58        1.6   pooka 	cold = 0;
     59  1.19.14.3     tls 
     60  1.19.14.3     tls 	/*
     61  1.19.14.3     tls 	 * XXX: does the "if" make any sense?  What if someone wants
     62  1.19.14.3     tls 	 * to dynamically load a driver later on?
     63  1.19.14.3     tls 	 */
     64  1.19.14.3     tls 	if (rump_component_count(RUMP_COMPONENT_DEV) > 0
     65  1.19.14.3     tls 	    || rump_component_count(RUMP_COMPONENT_DEV_AFTERMAINBUS) > 0) {
     66  1.19.14.3     tls 		rump_mainbus_attach();
     67       1.14   pooka 		if (config_rootfound("mainbus", NULL) == NULL)
     68       1.14   pooka 			panic("no mainbus");
     69        1.4   pooka 
     70  1.19.14.3     tls 		rump_component_init(RUMP_COMPONENT_DEV_AFTERMAINBUS);
     71       1.14   pooka 	}
     72        1.1   pooka 	config_finalize();
     73        1.7   pooka 
     74        1.7   pooka 	KERNEL_UNLOCK_LAST(curlwp);
     75  1.19.14.3     tls 
     76  1.19.14.3     tls 	/* if there is a vfs, perform activity deferred until mountroot */
     77  1.19.14.3     tls 	if (rump_component_count(RUMP__FACTION_VFS)) {
     78  1.19.14.3     tls 		config_create_mountrootthreads();
     79  1.19.14.3     tls 		yield();
     80  1.19.14.3     tls 	}
     81        1.1   pooka }
     82        1.1   pooka 
     83        1.8   pooka void
     84        1.8   pooka cpu_rootconf(void)
     85        1.8   pooka {
     86        1.8   pooka 
     87        1.8   pooka 	panic("%s: unimplemented", __func__);
     88        1.8   pooka }
     89        1.8   pooka 
     90        1.1   pooka void
     91  1.19.14.3     tls cpu_bootconf(void)
     92  1.19.14.3     tls {
     93  1.19.14.3     tls }
     94  1.19.14.3     tls 
     95  1.19.14.3     tls void
     96  1.19.14.1     tls device_register(device_t dev, void *v)
     97        1.1   pooka {
     98        1.1   pooka 
     99        1.1   pooka 	/* nada */
    100        1.1   pooka }
    101       1.11  martin 
    102       1.11  martin void
    103  1.19.14.1     tls device_register_post_config(device_t dev, void *v)
    104       1.11  martin {
    105       1.11  martin 
    106       1.11  martin 	/* nada */
    107       1.11  martin }
    108