1 /* $NetBSD: rump_dev.c,v 1.26 2014/06/13 15:51:13 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: rump_dev.c,v 1.26 2014/06/13 15:51:13 pooka Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/device.h> 33 34 #include "rump_private.h" 35 #include "rump_dev_private.h" 36 37 int nocomponent(void); 38 int nocomponent() {return 0;} 39 __weak_alias(buf_syncwait,nocomponent); 40 41 const char *rootspec = "rump0a"; /* usually comes from config */ 42 43 RUMP_COMPONENT(RUMP__FACTION_DEV) 44 { 45 extern int cold; 46 47 pmf_init(); 48 49 KERNEL_LOCK(1, curlwp); 50 51 rump_mainbus_init(); 52 config_init_mi(); 53 54 rump_component_init(RUMP_COMPONENT_DEV); 55 56 rump_pdev_finalize(); 57 58 cold = 0; 59 60 /* 61 * XXX: does the "if" make any sense? What if someone wants 62 * to dynamically load a driver later on? 63 */ 64 if (rump_component_count(RUMP_COMPONENT_DEV) > 0 65 || rump_component_count(RUMP_COMPONENT_DEV_AFTERMAINBUS) > 0) { 66 rump_mainbus_attach(); 67 if (config_rootfound("mainbus", NULL) == NULL) 68 panic("no mainbus"); 69 70 rump_component_init(RUMP_COMPONENT_DEV_AFTERMAINBUS); 71 } 72 config_finalize(); 73 74 KERNEL_UNLOCK_LAST(curlwp); 75 76 /* if there is a vfs, perform activity deferred until mountroot */ 77 if (rump_component_count(RUMP__FACTION_VFS)) { 78 config_create_mountrootthreads(); 79 yield(); 80 } 81 } 82 83 void 84 cpu_rootconf(void) 85 { 86 87 panic("%s: unimplemented", __func__); 88 } 89 90 void 91 cpu_bootconf(void) 92 { 93 } 94 95 void 96 device_register(device_t dev, void *v) 97 { 98 99 /* nada */ 100 } 101 102 void 103 device_register_post_config(device_t dev, void *v) 104 { 105 106 /* nada */ 107 } 108