From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/isa-l/crc/crc64_example.c | 68 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/isa-l/crc/crc64_example.c (limited to 'src/isa-l/crc/crc64_example.c') diff --git a/src/isa-l/crc/crc64_example.c b/src/isa-l/crc/crc64_example.c new file mode 100644 index 000000000..64763a1b0 --- /dev/null +++ b/src/isa-l/crc/crc64_example.c @@ -0,0 +1,68 @@ +/********************************************************************** + Copyright(c) 2011-2016 Intel Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**********************************************************************/ +#include +#include +#include +#include "crc64.h" + +#define BUF_SIZE 8192 +#define INIT_SEED 0x12345678 + +int main(int argc, char *argv[]) +{ + uint8_t inbuf[BUF_SIZE]; + uint64_t avail_in, total_in = 0; + uint64_t crc64_checksum; + FILE *in; + + if (argc != 2) { + fprintf(stderr, "Usage: crc64_example infile\n"); + exit(0); + } + in = fopen(argv[1], "rb"); + if (!in) { + fprintf(stderr, "Can't open %s for reading\n", argv[1]); + exit(0); + } + + printf("crc64_example -- crc64_ecma_refl:\n"); + fflush(0); + + crc64_checksum = INIT_SEED; + while ((avail_in = fread(inbuf, 1, BUF_SIZE, in))) { + // crc update mode + crc64_checksum = crc64_ecma_refl(crc64_checksum, inbuf, avail_in); + total_in += avail_in; + } + + fclose(in); + printf("total length is %ld, checksum is 0x%lx\n", total_in, crc64_checksum); + + return 0; +} -- cgit v1.2.3