1 /* 2 * Copyright (c) 1993 Adam Glass 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Adam Glass. 16 * 4. The name of the Author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $Header: /cvsroot/src/sys/arch/sun3/sun3/autoconf.c,v 1.9 1994/05/20 04:26:18 gwr Exp $ 32 */ 33 /* 34 * Setup the system to run on the current machine. 35 * 36 * Configure() is called at boot time. Available 37 * devices are determined (from possibilities mentioned in ioconf.c), 38 * and the drivers are initialized. 39 */ 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/map.h> 44 #include <sys/buf.h> 45 #include <sys/dkstat.h> 46 #include <sys/conf.h> 47 #include <sys/dmap.h> 48 #include <sys/reboot.h> 49 #include <sys/device.h> 50 51 #include <machine/autoconf.h> 52 #include <machine/vmparam.h> 53 #include <machine/cpu.h> 54 #include <machine/pte.h> 55 #include <machine/isr.h> 56 57 extern void mainbusattach __P((struct device *, struct device *, void *)); 58 59 struct mainbus_softc { 60 struct device mainbus_dev; 61 }; 62 63 struct cfdriver mainbuscd = 64 { NULL, "mainbus", always_match, mainbusattach, DV_DULL, 65 sizeof(struct mainbus_softc), 0}; 66 67 void mainbusattach(parent, self, args) 68 struct device *parent; 69 struct device *self; 70 void *args; 71 { 72 struct cfdata *new_match; 73 74 printf("\n"); 75 while (1) { 76 new_match = config_search(NULL, self, NULL); 77 if (!new_match) break; 78 config_attach(self, new_match, NULL, NULL); 79 } 80 } 81 82 int nmi_intr(arg) 83 int arg; 84 { 85 printf("nmi interrupt received\n"); 86 return 1; 87 } 88 89 void configure() 90 { 91 int root_found; 92 93 isr_init(); 94 root_found = config_rootfound("mainbus", NULL); 95 if (!root_found) 96 panic("configure: autoconfig failed, no device tree root found"); 97 isr_add(7, nmi_intr, 0); 98 isr_cleanup(); 99 } 100 101 int always_match(parent, cf, args) 102 struct device *parent; 103 struct cfdata *cf; 104 void *args; 105 { 106 return 1; 107 } 108