From 1a47e6d47c7184b116bb58e8451dc0d4f141a609 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Pali=20Roh=C3=A1r?= Date: Tue, 12 Apr 2022 11:20:42 +0200 Subject: [PATCH] crc16: Move standard CRC-16 implementation from ubifs to lib MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This implementation provides standard CRC-16 algorithm with polynomial x^16 + x^15 + x^2 + 1. Signed-off-by: Pali Rohár Reviewed-by: Stefan Roese --- fs/ubifs/Makefile | 2 +- include/u-boot/crc.h | 3 +++ lib/Makefile | 1 + {fs/ubifs => lib}/crc16.c | 0 4 files changed, 5 insertions(+), 1 deletion(-) rename {fs/ubifs => lib}/crc16.c (100%) diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile index 64d6447..631ba5f 100644 --- a/fs/ubifs/Makefile +++ b/fs/ubifs/Makefile @@ -9,5 +9,5 @@ obj-y := ubifs.o io.o super.o sb.o master.o lpt.o obj-y += lpt_commit.o scan.o lprops.o -obj-y += tnc.o tnc_misc.o debug.o crc16.o budget.o +obj-y += tnc.o tnc_misc.o debug.o budget.o obj-y += log.o orphan.o recovery.o replay.o gc.o diff --git a/include/u-boot/crc.h b/include/u-boot/crc.h index eba8edf..5174bd7 100644 --- a/include/u-boot/crc.h +++ b/include/u-boot/crc.h @@ -25,6 +25,9 @@ */ unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len); +/* lib/crc16.c - 16 bit CRC with polynomial x^16 + x^15 + x^2 + 1 */ +uint16_t crc16(uint16_t crc, const unsigned char *buffer, size_t len); + /* lib/crc16-ccitt.c - 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */ uint16_t crc16_ccitt(uint16_t crc_start, const unsigned char *s, int len); /** diff --git a/lib/Makefile b/lib/Makefile index cf662a7..d9b1811 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_CIRCBUF) += circbuf.o endif obj-y += crc8.o +obj-y += crc16.o obj-y += crc16-ccitt.o obj-$(CONFIG_ERRNO_STR) += errno_str.o obj-$(CONFIG_FIT) += fdtdec_common.o diff --git a/fs/ubifs/crc16.c b/lib/crc16.c similarity index 100% rename from fs/ubifs/crc16.c rename to lib/crc16.c -- 2.7.4