From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 10.25.150.194 with SMTP id y185csp912590lfd; Thu, 10 Nov 2016 09:21:47 -0800 (PST) X-Received: by 10.55.186.70 with SMTP id k67mr7707088qkf.265.1478798507751; Thu, 10 Nov 2016 09:21:47 -0800 (PST) Return-Path: Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id q82si3948926qkh.91.2016.11.10.09.21.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Nov 2016 09:21:47 -0800 (PST) Received-SPF: pass (google.com: domain of drjones@redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; Authentication-Results: mx.google.com; spf=pass (google.com: domain of drjones@redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=drjones@redhat.com 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 DB3B661E78; Thu, 10 Nov 2016 17:21:46 +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 uAAHLMji006894; Thu, 10 Nov 2016 12:21:44 -0500 From: Andrew Jones To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, qemu-devel@nongnu.org, qemu-arm@nongnu.org Cc: pbonzini@redhat.com, andre.przywara@arm.com, peter.maydell@linaro.org, alex.bennee@linaro.org, marc.zyngier@arm.com, eric.auger@redhat.com, christoffer.dall@linaro.org, Peter Xu Subject: [kvm-unit-tests PATCH v5 08/11] libcflat: add IS_ALIGNED() macro, and page sizes Date: Thu, 10 Nov 2016 18:21:18 +0100 Message-Id: <1478798481-25030-9-git-send-email-drjones@redhat.com> In-Reply-To: <1478798481-25030-1-git-send-email-drjones@redhat.com> References: <1478798481-25030-1-git-send-email-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 [10.5.110.39]); Thu, 10 Nov 2016 17:21:47 +0000 (UTC) X-TUID: zJU2dkRunBcH From: Peter Xu These macros will be useful to do page alignment checks. Reviewed-by: Andre Przywara Signed-off-by: Peter Xu [drew: also added SZ_64K] Signed-off-by: Andrew Jones --- lib/libcflat.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/libcflat.h b/lib/libcflat.h index 82005f5d014f..143fc53061fe 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 (0x1000) +#define SZ_64K (0x10000) +#define SZ_2M (0x200000) +#define SZ_1G (0x40000000) typedef uint8_t u8; typedef int8_t s8; -- 2.7.4