From patchwork Thu Sep 17 16:31:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 273456 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4F89C433E2 for ; Thu, 17 Sep 2020 16:35:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E9E1E206BE for ; Thu, 17 Sep 2020 16:35:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="er/2k1JF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E9E1E206BE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:46718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIwsu-0004uT-4U for qemu-devel@archiver.kernel.org; Thu, 17 Sep 2020 12:35:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52538) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIwog-0000Zj-C9 for qemu-devel@nongnu.org; Thu, 17 Sep 2020 12:31:26 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:48034) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kIwoe-0000w0-F8 for qemu-devel@nongnu.org; Thu, 17 Sep 2020 12:31:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600360283; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZF+OqmqmstlUkr/dM0RnSgA94FV+mHcH3wKBsCU4Fw8=; b=er/2k1JFAwfgKuKgKh0SFoyDO0lz8vUkjnNV6v9T+6bUBpO/dlFtz0vgGDQmH7sTWthgE/ hQz8gzByWIY3dsXoHGzXCvCmSUq2CNV5c/LqOghhAgWrsV2cIsRzEroYIdrG6q3gML9B/r iPLmbfXheZl5GQc2Ny4pOIeSprcnJlw= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-355-74xmJuILPaO6uvovxDHoPw-1; Thu, 17 Sep 2020 12:31:19 -0400 X-MC-Unique: 74xmJuILPaO6uvovxDHoPw-1 Received: by mail-wr1-f69.google.com with SMTP id x15so1083632wrm.7 for ; Thu, 17 Sep 2020 09:31:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZF+OqmqmstlUkr/dM0RnSgA94FV+mHcH3wKBsCU4Fw8=; b=VLoZszw2vSoQanWERcQDtbPtv40vmrVfTeC8xMtpPPr67U7zBlbu2Em2lc+9JRYRw8 sFmxBHkP3Fg41SsRoL7CfRVUgKxZue5ZSyVorE0ehH5KvuMrP3y2JJXa4XcL0sgVuFbw F7Io1gsxsujHPpWmcFAzLOSuBj6ZHGvCKxXgSGYXbI/sQFmGwLJ3Ik1TQtzVDjYr9nr5 2xt6bwJC12bsbov3IOH1V2l2D1fMIhB0SsngyM7RNsyLZW8O61x+EzGy0s0agsK0hoJ8 Mp/cHYUVaK59zpo1rGaJAR4KHmugfxTZNNQuADskHwXTeyhPJ4YzhZzXam7GTPVqUYMb TDTg== X-Gm-Message-State: AOAM530TGgLFewzChEqPYZHNm2NvU2Sote6LKJv9w9su6GFhQ5DQqjBc WeOM/3MkQSfJZt7hhDTFSERZnVQN0RiwwbMBxK0ZQLaUyx3RCKvLaWZfrW3nsxoKoqTY8Oyo4dB jceVaRfNE1i7hBl8= X-Received: by 2002:a5d:49d2:: with SMTP id t18mr31185233wrs.99.1600360278145; Thu, 17 Sep 2020 09:31:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxJk4OJfAAHKtjRC2q3Vdz8KiSyHcc881TPifcw7kwFeh6Gzk4LBfKN0go9mvWayUx4Ka9MpA== X-Received: by 2002:a5d:49d2:: with SMTP id t18mr31185212wrs.99.1600360277883; Thu, 17 Sep 2020 09:31:17 -0700 (PDT) Received: from x1w.redhat.com (65.red-83-57-170.dynamicip.rima-tde.net. [83.57.170.65]) by smtp.gmail.com with ESMTPSA id i26sm75223wmb.17.2020.09.17.09.31.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2020 09:31:17 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 2/4] qemu/bswap: add const_be16() and const_be32() Date: Thu, 17 Sep 2020 18:31:04 +0200 Message-Id: <20200917163106.49351-3-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200917163106.49351-1-philmd@redhat.com> References: <20200917163106.49351-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/17 02:01:40 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.997, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Richard Henderson , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Philippe Mathieu-Daudé We already have the const_le() macros for little endian. Implement the big-endian equivalent. Signed-off-by: Philippe Mathieu-Daudé --- include/qemu/bswap.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h index c3b4277342b..6885984e00c 100644 --- a/include/qemu/bswap.h +++ b/include/qemu/bswap.h @@ -83,7 +83,7 @@ static inline void bswap64s(uint64_t *s) #endif /* - * Same as cpu_to_le{16,32} described below, except that gcc will + * Same as cpu_to_{be,le}{16,32} described below, except that gcc will * figure the result is a compile-time constant if you pass in a constant. * So this can be used to initialize static variables. */ @@ -96,11 +96,20 @@ static inline void bswap64s(uint64_t *s) # define const_le16(_x) \ ((((_x) & 0x00ff) << 8) | \ (((_x) & 0xff00) >> 8)) +# define const_be32(_x) (_x) +# define const_be16(_x) (_x) #else # define const_le32(_x) (_x) # define const_le16(_x) (_x) +# define const_be32(_x) \ + ((((_x) & 0x000000ffU) << 24) | \ + (((_x) & 0x0000ff00U) << 8) | \ + (((_x) & 0x00ff0000U) >> 8) | \ + (((_x) & 0xff000000U) >> 24)) +# define const_be16(_x) \ + ((((_x) & 0x00ff) << 8) | \ + (((_x) & 0xff00) >> 8)) #endif - /** * Endianness conversion functions between host cpu and specified endianness. * (We list the complete set of prototypes produced by the macros below