1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2002 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * av1394 address space for mmap(2) 29 */ 30 #include <sys/1394/targets/av1394/av1394_impl.h> 31 32 void av1394_as_init(av1394_as_t * as)33av1394_as_init(av1394_as_t *as) 34 { 35 as->as_end = 0; 36 } 37 38 void av1394_as_fini(av1394_as_t * as)39av1394_as_fini(av1394_as_t *as) 40 { 41 as->as_end = 0; 42 } 43 44 /* 45 * XXX implement a better allocation algorithm 46 */ 47 off_t av1394_as_alloc(av1394_as_t * as,size_t size)48av1394_as_alloc(av1394_as_t *as, size_t size) 49 { 50 off_t addr; 51 52 addr = as->as_end; 53 as->as_end += size; 54 return (addr); 55 } 56 57 /*ARGSUSED*/ 58 void av1394_as_free(av1394_as_t * as,off_t addr)59av1394_as_free(av1394_as_t *as, off_t addr) 60 { 61 } 62