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rump_dev.c revision 1.25.2.1
      1  1.25.2.1       tls /*	$NetBSD: rump_dev.c,v 1.25.2.1 2014/08/10 06:56:51 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  1.25.2.1       tls __KERNEL_RCSID(0, "$NetBSD: rump_dev.c,v 1.25.2.1 2014/08/10 06:56:51 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      1.21     pooka 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      1.24     pooka 	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      1.23     pooka 
     60      1.23     pooka 	/*
     61      1.23     pooka 	 * XXX: does the "if" make any sense?  What if someone wants
     62      1.23     pooka 	 * to dynamically load a driver later on?
     63      1.23     pooka 	 */
     64      1.23     pooka 	if (rump_component_count(RUMP_COMPONENT_DEV) > 0
     65      1.23     pooka 	    || rump_component_count(RUMP_COMPONENT_DEV_AFTERMAINBUS) > 0) {
     66      1.24     pooka 		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      1.23     pooka 		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  1.25.2.1       tls 
     76  1.25.2.1       tls 	/* if there is a vfs, perform activity deferred until mountroot */
     77  1.25.2.1       tls 	if (rump_component_count(RUMP__FACTION_VFS)) {
     78  1.25.2.1       tls 		config_create_mountrootthreads();
     79  1.25.2.1       tls 		yield();
     80  1.25.2.1       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      1.25  christos cpu_bootconf(void)
     92      1.25  christos {
     93      1.25  christos }
     94      1.25  christos 
     95      1.25  christos void
     96      1.20       chs 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      1.20       chs 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