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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * av1394 address space for mmap(2) 31 */ 32 #include <sys/1394/targets/av1394/av1394_impl.h> 33 34 void av1394_as_init(av1394_as_t * as)35av1394_as_init(av1394_as_t *as) 36 { 37 as->as_end = 0; 38 } 39 40 void av1394_as_fini(av1394_as_t * as)41av1394_as_fini(av1394_as_t *as) 42 { 43 as->as_end = 0; 44 } 45 46 /* 47 * XXX implement a better allocation algorithm 48 */ 49 off_t av1394_as_alloc(av1394_as_t * as,size_t size)50av1394_as_alloc(av1394_as_t *as, size_t size) 51 { 52 off_t addr; 53 54 addr = as->as_end; 55 as->as_end += size; 56 return (addr); 57 } 58 59 /*ARGSUSED*/ 60 void av1394_as_free(av1394_as_t * as,off_t addr)61av1394_as_free(av1394_as_t *as, off_t addr) 62 { 63 } 64