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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 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 #include <sys/systm.h> 30 #include <sys/cmn_err.h> 31 #include <sys/kobj.h> 32 #include <sys/kobj_impl.h> 33 34 struct zchdr { 35 uint_t zch_magic; 36 uint_t zch_size; 37 }; 38 39 #define ZCH_MAGIC 0x3cc13cc1 40 41 /*ARGSUSED*/ 42 void * 43 zcalloc(void *opaque, uint_t items, uint_t size) 44 { 45 size_t nbytes = sizeof (struct zchdr) + items * size; 46 struct zchdr *z = kobj_zalloc(nbytes, KM_NOWAIT|KM_TMP); 47 48 if (z == NULL) 49 return (NULL); 50 51 z->zch_magic = ZCH_MAGIC; 52 z->zch_size = nbytes; 53 54 return (z + 1); 55 } 56 57 /*ARGSUSED*/ 58 void 59 zcfree(void *opaque, void *ptr) 60 { 61 struct zchdr *z = ((struct zchdr *)ptr) - 1; 62 63 if (z->zch_magic != ZCH_MAGIC) 64 panic("zcfree region corrupt: hdr=%p ptr=%p", (void *)z, ptr); 65 66 kobj_free(z, z->zch_size); 67 } 68 69 void 70 zmemcpy(void *dest, const void *source, uint_t len) 71 { 72 bcopy(source, dest, len); 73 } 74 75 int 76 zmemcmp(const void *s1, const void *s2, uint_t len) 77 { 78 return (bcmp(s1, s2, len)); 79 } 80 81 void 82 zmemzero(void *dest, uint_t len) 83 { 84 bzero(dest, len); 85 } 86