/* $NetBSD: autoconf.c,v 1.5 2024/01/08 05:10:51 thorpej Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1986, 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: autoconf.c 1.36 92/12/20$ * * @(#)autoconf.c 8.2 (Berkeley) 1/12/94 */ /* * Setup the system to run on the current machine. * * Configure() is called at boot time. */ #include __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.5 2024/01/08 05:10:51 thorpej Exp $"); #include #include #include #include #include #include #include #include #include /* * Determine mass storage and memory configuration for a machine. */ void cpu_configure(void) { booted_device = NULL; /* set by device drivers (if found) */ /* Initialise interrupt handlers */ intr_init(); if (config_rootfound("mainbus", NULL) == NULL) panic("autoconfig failed, no root"); /* * XXX Go ahead and enable interrupts now that we've configured * XXX everything. * XXX * XXX See locore.s, right before main() is called. */ spl0(); } void cpu_rootconf(void) { bootinfo_setup_initrd(); rootconf(); } paddr_t consdev_addr; void device_register(device_t dev, void *aux) { device_t parent = device_parent(dev); char rootname[DEVICE_XNAME_SIZE]; bool rootname_valid = false; if (booted_device == NULL) { rootname_valid = bootinfo_getarg("root", rootname, sizeof(rootname)); if (rootname_valid) { size_t len = strlen(rootname); while (len) { len--; if (isdigit(rootname[len])) { break; } rootname[len] = '\0'; } if (strcmp(device_xname(dev), rootname) == 0) { booted_device = dev; } } } if (device_is_a(parent, "mainbus")) { struct mainbus_attach_args *ma = aux; if (ma->ma_addr == consdev_addr) { prop_dictionary_set_bool(device_properties(dev), "is-console", true); } } }