From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Jones Subject: [kvm-unit-tests PATCH v4 08/11] libcflat: add IS_ALIGNED() macro, and page sizes Date: Tue, 8 Nov 2016 21:21:36 +0100 Message-ID: <1478636499-14339-9-git-send-email-drjones@redhat.com> References: <1478636499-14339-1-git-send-email-drjones@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: marc.zyngier@arm.com, andre.przywara@arm.com, pbonzini@redhat.com To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, qemu-devel@nongnu.org, qemu-arm@nongnu.org Return-path: In-Reply-To: <1478636499-14339-1-git-send-email-drjones@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu List-Id: kvm.vger.kernel.org From: Peter Xu These macros will be useful to do page alignment checks. 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