/* $OpenBSD: rd_root.c,v 1.8 2000/08/28 21:55:42 miod Exp $ */ /* $NetBSD: rd_root.c,v 1.7 1996/11/20 18:56:58 gwr Exp $ */ /*- * Copyright (c) 1996 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Gordon W. Ross. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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. */ #include #include #include #include extern int boothowto; #ifndef MINIROOTSIZE #define MINIROOTSIZE 512 #endif #define ROOTBYTES (MINIROOTSIZE << DEV_BSHIFT) /* * This array will be patched to contain a file-system image. * See the program: src/distrib/sun3/common/rdsetroot.c */ int rd_root_size = ROOTBYTES; char rd_root_image[ROOTBYTES] = "|This is the root ramdisk!\n"; /* * This is called during autoconfig. */ void rd_attach_hook(unit, rd) int unit; struct rd_conf *rd; { if (unit == 0) { /* Setup root ramdisk */ rd->rd_addr = (caddr_t) rd_root_image; rd->rd_size = (size_t) rd_root_size; rd->rd_type = RD_KMEM_FIXED; printf("rd%d: fixed, %d blocks\n", unit, MINIROOTSIZE); } } /* * This is called during open (i.e. mountroot) */ void rd_open_hook(unit, rd) int unit; struct rd_conf *rd; { }