1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <sys/crc32.h>
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate static unsigned int crc32_tab[] = { CRC32_TABLE };
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate * Return a 32-bit CRC of the contents of the buffer.
35*0Sstevel@tonic-gate *
36*0Sstevel@tonic-gate * The seed is 0xffffffff and the result is XORed with 0xffffffff
37*0Sstevel@tonic-gate * because this is what the Itanium firmware expects.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate unsigned int
efi_crc32(const unsigned char * s,unsigned int len)40*0Sstevel@tonic-gate efi_crc32(const unsigned char *s, unsigned int len)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate unsigned int crc32val;
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate CRC32(crc32val, s, len, -1U, crc32_tab);
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate return (crc32val ^ -1U);
47*0Sstevel@tonic-gate }
48