2 * Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/param.h>
30 #include <sys/gsb_crc32.h>
36 #if !defined(__amd64__) && !defined(__i386__) && !defined(__aarch64__)
37 #error These tests are not supported on this platform
40 ATF_TC_WITHOUT_HEAD(crc32c_basic_correctness);
41 ATF_TC_BODY(crc32c_basic_correctness, tc)
43 const uint64_t inputs[] = {
61 const uint32_t results[] = {
82 ATF_REQUIRE(nitems(inputs) == nitems(results));
84 for (i = 0; i < nitems(inputs); i++) {
85 #if defined(__amd64__) || defined(__i386__)
86 act = sse42_crc32c(~0, (const void *)&inputs[i],
89 act = armv8_crc32c(~0, (const void *)&inputs[i],
92 ATF_REQUIRE_MSG(act == results[i],
93 "crc32c(0x%jx) = 0x%08x, got 0x%08x", (uintmax_t)inputs[i],
98 ATF_TC_WITHOUT_HEAD(crc32c_alignment);
99 ATF_TC_BODY(crc32c_alignment, tc)
101 const uint64_t input = 0xf408c634b3a9142;
102 const uint32_t result = 0x2ce33ede;
103 unsigned char buf[15];
108 for (i = 1; i < 8; i++) {
109 memcpy(&buf[i], &input, sizeof(input));
111 #if defined(__amd64__) || defined(__i386__)
112 act = sse42_crc32c(~0, (const void *)&buf[i], sizeof(input));
114 act = armv8_crc32c(~0, (const void *)&buf[i], sizeof(input));
116 ATF_REQUIRE_MSG(act == result,
117 "crc32c(0x%jx) = 0x%08x, got 0x%08x", (uintmax_t)input,
122 ATF_TC_WITHOUT_HEAD(crc32c_trailing_bytes);
123 ATF_TC_BODY(crc32c_trailing_bytes, tc)
125 const unsigned char input[] = {
126 0x87, 0x54, 0x74, 0xd2, 0xb, 0x9b, 0xdd, 0xf6, 0x68, 0x37,
127 0xd4, 0x4, 0x5e, 0xa9, 0xb3
129 const uint32_t result = 0xec638d62;
132 #if defined(__amd64__) || defined(__i386__)
133 act = sse42_crc32c(~0, input, sizeof(input));
135 act = armv8_crc32c(~0, input, sizeof(input));
137 ATF_REQUIRE_MSG(act == result, "expected 0x%08x, got 0x%08x", result,
144 ATF_TP_ADD_TC(tp, crc32c_basic_correctness);
145 ATF_TP_ADD_TC(tp, crc32c_alignment);
146 ATF_TP_ADD_TC(tp, crc32c_trailing_bytes);
147 return (atf_no_error());