1 /* $NetBSD: mainbus.c,v 1.5 2011/08/25 11:06:29 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifdef _KERNEL_OPT 30 #include "opt_sdl.h" 31 #endif 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.5 2011/08/25 11:06:29 jmcneill Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/proc.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 41 #include <dev/cons.h> 42 43 #include <machine/mainbus.h> 44 45 static int mainbus_match(device_t, cfdata_t, void *); 46 static void mainbus_attach(device_t, device_t, void *); 47 48 static int mainbus_print(void *, const char *); 49 50 typedef struct mainbus_softc { 51 device_t sc_dev; 52 } mainbus_softc_t; 53 54 CFATTACH_DECL_NEW(mainbus, sizeof(mainbus_softc_t), 55 mainbus_match, mainbus_attach, NULL, NULL); 56 57 extern char *usermode_root_image_path; 58 59 static int 60 mainbus_match(device_t parent, cfdata_t match, void *opaque) 61 { 62 63 return 1; 64 } 65 66 static void 67 mainbus_attach(device_t parent, device_t self, void *opaque) 68 { 69 mainbus_softc_t *sc = device_private(self); 70 struct thunkbus_attach_args taa; 71 72 aprint_naive("\n"); 73 aprint_normal("\n"); 74 75 sc->sc_dev = self; 76 77 taa.taa_type = THUNKBUS_TYPE_CPU; 78 config_found_ia(self, "thunkbus", &taa, mainbus_print); 79 80 #if defined(SDL) 81 taa.taa_type = THUNKBUS_TYPE_GENFB; 82 config_found_ia(self, "thunkbus", &taa, mainbus_print); 83 #endif 84 85 taa.taa_type = THUNKBUS_TYPE_CLOCK; 86 config_found_ia(self, "thunkbus", &taa, mainbus_print); 87 88 taa.taa_type = THUNKBUS_TYPE_TTYCONS; 89 config_found_ia(self, "thunkbus", &taa, mainbus_print); 90 91 if (usermode_root_image_path) { 92 taa.taa_type = THUNKBUS_TYPE_DISKIMAGE; 93 taa.u.diskimage.path = usermode_root_image_path; 94 config_found_ia(self, "thunkbus", &taa, mainbus_print); 95 } 96 } 97 98 static int 99 mainbus_print(void *opaque, const char *pnp) 100 { 101 if (pnp) 102 aprint_normal("%s", pnp); 103 return UNCONF; 104 } 105