From patchwork Thu Dec 8 17:50:27 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jones X-Patchwork-Id: 87321 Delivered-To: patch@linaro.org Received: by 10.140.20.101 with SMTP id 92csp971885qgi; Thu, 8 Dec 2016 09:54:25 -0800 (PST) X-Received: by 10.200.43.120 with SMTP id 53mr63778620qtv.253.1481219664924; Thu, 08 Dec 2016 09:54:24 -0800 (PST) Return-Path: Received: from lists.gnu.org (lists.gnu.org. [208.118.235.17]) by mx.google.com with ESMTPS id 42si17865925qtq.288.2016.12.08.09.54.24 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 08 Dec 2016 09:54:24 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org Received: from localhost ([::1]:48012 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cF2tP-0000dz-Cj for patch@linaro.org; Thu, 08 Dec 2016 12:54:03 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59891) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cF2qS-0003kO-0w for qemu-devel@nongnu.org; Thu, 08 Dec 2016 12:51:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cF2qR-0004Fh-9u for qemu-devel@nongnu.org; Thu, 08 Dec 2016 12:51:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41482) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cF2qN-0004DI-35; Thu, 08 Dec 2016 12:50:55 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2B5EB4E4CB; Thu, 8 Dec 2016 17:50:54 +0000 (UTC) Received: from kamzik.brq.redhat.com (kamzik.brq.redhat.com [10.34.1.143]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uB8HoWn8022068; Thu, 8 Dec 2016 12:50:50 -0500 From: Andrew Jones To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, qemu-devel@nongnu.org, qemu-arm@nongnu.org Date: Thu, 8 Dec 2016 18:50:27 +0100 Message-Id: <20161208175030.12269-8-drjones@redhat.com> In-Reply-To: <20161208175030.12269-1-drjones@redhat.com> References: <20161208175030.12269-1-drjones@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 08 Dec 2016 17:50:54 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH kvm-unit-tests v8 07/10] libcflat: add IS_ALIGNED() macro, and page sizes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, marc.zyngier@arm.com, andre.przywara@arm.com, Peter Xu , eric.auger@redhat.com, pbonzini@redhat.com, alex.bennee@linaro.org, christoffer.dall@linaro.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Peter Xu These macros will be useful to do page alignment checks. Reviewed-by: Andre Przywara Reviewed-by: Eric Auger Signed-off-by: Peter Xu [drew: also added SZ_64K and changed to shifts] Signed-off-by: Andrew Jones --- v6: change to shifts [Alex] --- lib/libcflat.h | 6 ++++++ 1 file changed, 6 insertions(+) -- 2.9.3 diff --git a/lib/libcflat.h b/lib/libcflat.h index 15dbcadc6c7a..e636705e12b3 100644 --- a/lib/libcflat.h +++ b/lib/libcflat.h @@ -33,6 +33,12 @@ #define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask)) #define __ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1) #define ALIGN(x, a) __ALIGN((x), (a)) +#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) + +#define SZ_4K (1 << 12) +#define SZ_64K (1 << 16) +#define SZ_2M (1 << 21) +#define SZ_1G (1 << 30) typedef uint8_t u8; typedef int8_t s8;