From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947616AbdEZI3F (ORCPT ); Fri, 26 May 2017 04:29:05 -0400 Received: from mga06.intel.com ([134.134.136.31]:34650 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S939949AbdEZIYS (ORCPT ); Fri, 26 May 2017 04:24:18 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,396,1491289200"; d="scan'208";a="1153074358" From: Adrian Hunter To: Arnaldo Carvalho de Melo , Andi Kleen Cc: linux-kernel@vger.kernel.org Subject: [PATCH V2 22/37] tools include: Add byte-swapping macros to kernel.h Date: Fri, 26 May 2017 11:17:23 +0300 Message-Id: <1495786658-18063-23-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1495786658-18063-1-git-send-email-adrian.hunter@intel.com> References: <1495786658-18063-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add byte-swapping macros to kernel.h Signed-off-by: Adrian Hunter --- tools/include/linux/kernel.h | 35 +++++++++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 6 deletions(-) diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h index 73ccc48126bb..039bb85e4171 100644 --- a/tools/include/linux/kernel.h +++ b/tools/include/linux/kernel.h @@ -5,6 +5,8 @@ #include #include #include +#include +#include #ifndef UINT_MAX #define UINT_MAX (~0U) @@ -67,12 +69,33 @@ #endif #endif -/* - * Both need more care to handle endianness - * (Don't use bitmap_copy_le() for now) - */ -#define cpu_to_le64(x) (x) -#define cpu_to_le32(x) (x) +#if __BYTE_ORDER == __BIG_ENDIAN +#define cpu_to_le16 bswap_16 +#define cpu_to_le32 bswap_32 +#define cpu_to_le64 bswap_64 +#define le16_to_cpu bswap_16 +#define le32_to_cpu bswap_32 +#define le64_to_cpu bswap_64 +#define cpu_to_be16 +#define cpu_to_be32 +#define cpu_to_be64 +#define be16_to_cpu +#define be32_to_cpu +#define be64_to_cpu +#else +#define cpu_to_le16 +#define cpu_to_le32 +#define cpu_to_le64 +#define le16_to_cpu +#define le32_to_cpu +#define le64_to_cpu +#define cpu_to_be16 bswap_16 +#define cpu_to_be32 bswap_32 +#define cpu_to_be64 bswap_64 +#define be16_to_cpu bswap_16 +#define be32_to_cpu bswap_32 +#define be64_to_cpu bswap_64 +#endif int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); int scnprintf(char * buf, size_t size, const char * fmt, ...); -- 1.9.1