From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 09 Dec 2021 12:00:08 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mvH9k-0010kd-No for lore@lore.pengutronix.de; Thu, 09 Dec 2021 12:00:08 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mvH9j-0001E4-8k for lore@pengutronix.de; Thu, 09 Dec 2021 12:00:08 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=dQINj5PqzLeDMw7GZi4QHV5mQ64LcHcoYR0nBE8GRf8=; b=em9wN7SyVXb/OS nU8pZXVXPTQTBH+3kaJYCA+E5uJHGHTCAXMBmmymbG+w9I17RNcyEiX3GTo80eVg4lHLS96IQGUqf JIxmdgKXxUeEEK9TEyBkPbusJ1g/rjAJAopMvxOgMZhgnftNaCFE5yElrJqvVCSSKmAKn/Hfa8NjP h+uqam+zAkRIMzwocYWwHV5BN3jf0nyNEs6xdUEvjOvCiDj65muuQWRkoaAJ2CzxuJTlK0JBAlgrJ BKK9E7Qg5ToSMSvleZvonW4auARmQBG9zyBFZgutmDRkrb5XN6E+kMRZSa2quMfvkAvdgZD2qyM8A Cp+kqwUQ7Ez2HrfFNmbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvH8N-00FhMl-P8; Thu, 09 Dec 2021 10:58:43 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvH8F-00FhJS-2Q for barebox@lists.infradead.org; Thu, 09 Dec 2021 10:58:39 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mvH8D-0000lL-RJ; Thu, 09 Dec 2021 11:58:33 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1mvH8D-00ElJ6-CZ; Thu, 09 Dec 2021 11:58:33 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 9 Dec 2021 11:58:32 +0100 Message-Id: <20211209105832.3518384-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211209_025835_156982_D75A94A1 X-CRM114-Status: UNSURE ( 9.56 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] crypto: crc32: add big endian CRC implementation X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) This implementation is a straight copy of the tableless implementation inside Linux' lib/crc32.c Signed-off-by: Ahmad Fatoum --- crypto/crc32.c | 12 ++++++++++++ include/crc.h | 1 + 2 files changed, 13 insertions(+) diff --git a/crypto/crc32.c b/crypto/crc32.c index 232c023adb88..998cbc9de297 100644 --- a/crypto/crc32.c +++ b/crypto/crc32.c @@ -187,6 +187,18 @@ STATIC uint32_t crc32_no_comp(uint32_t crc, const void *_buf, unsigned int len) return crc; } +STATIC uint32_t crc32_be(uint32_t crc, const void *_buf, unsigned int len) +{ + const unsigned char *buf = _buf; + int i; + while (len--) { + crc ^= *buf++ << 24; + for (i = 0; i < 8; i++) + crc = (crc << 1) ^ ((crc & 0x80000000) ? 0x04c11db7 : 0); + } + return crc; +} + STATIC int file_crc(char *filename, ulong start, ulong size, ulong *crc, ulong *total) { diff --git a/include/crc.h b/include/crc.h index eb972705c21a..a5204aaabb9c 100644 --- a/include/crc.h +++ b/include/crc.h @@ -36,6 +36,7 @@ static inline u16 crc_itu_t_byte(u16 crc, const u8 data) #endif uint32_t crc32(uint32_t, const void *, unsigned int); +uint32_t crc32_be(uint32_t, const void *, unsigned int); uint32_t crc32_no_comp(uint32_t, const void *, unsigned int); int file_crc(char *filename, unsigned long start, unsigned long size, unsigned long *crc, unsigned long *total); -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox