From patchwork Mon Jun 12 22:09:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Babu Moger X-Patchwork-Id: 9782845 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E6C0460382 for ; Mon, 12 Jun 2017 22:11:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB0EE286D1 for ; Mon, 12 Jun 2017 22:11:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CF580286DB; Mon, 12 Jun 2017 22:11:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7F120286DF for ; Mon, 12 Jun 2017 22:11:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752928AbdFLWL3 (ORCPT ); Mon, 12 Jun 2017 18:11:29 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:23127 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752430AbdFLWL1 (ORCPT ); Mon, 12 Jun 2017 18:11:27 -0400 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v5CMAFSK023898 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 12 Jun 2017 22:10:15 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v5CMAFXw012222 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 12 Jun 2017 22:10:15 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v5CMABwR020515; Mon, 12 Jun 2017 22:10:11 GMT Received: from ca-qasparc20.us.oracle.com (/10.147.24.73) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 12 Jun 2017 15:10:11 -0700 From: Babu Moger To: ysato@users.sourceforge.jp, geert@linux-m68k.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, jejb@parisc-linux.org, deller@gmx.de, davem@davemloft.net, viro@zeniv.linux.org.uk, monstr@monstr.eu Cc: mpe@ellerman.id.au, peterz@infradead.org, mingo@redhat.com, jcmvbkbc@gmail.com, linux-kernel@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, linux-m68k@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH v3 2/3] arch/microblaze: Add choice for endianness and update Makefile Date: Mon, 12 Jun 2017 15:09:59 -0700 Message-Id: <1497305400-147425-3-git-send-email-babu.moger@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1497305400-147425-1-git-send-email-babu.moger@oracle.com> References: <1497305400-147425-1-git-send-email-babu.moger@oracle.com> X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP microblaze architectures can be configured for either little or big endian formats. Add a choice option for the user to select the correct endian format(default to big endian). Also update the Makefile so toolchain can compile for the format it is configured for. Signed-off-by: Babu Moger Signed-off-by: Arnd Bergmann --- arch/microblaze/Kconfig | 16 ++++++++++++++++ arch/microblaze/Makefile | 2 ++ 2 files changed, 18 insertions(+), 0 deletions(-) diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 85885a5..74aa5de 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -35,6 +35,22 @@ config MICROBLAZE select VIRT_TO_BUS select CPU_NO_EFFICIENT_FFS +# Endianness selection +choice + prompt "Endianness selection" + default CPU_BIG_ENDIAN + help + microblaze architectures can be configured for either little or + big endian formats. Be sure to select the appropriate mode. + +config CPU_BIG_ENDIAN + bool "Big endian" + +config CPU_LITTLE_ENDIAN + bool "Little endian" + +endchoice + config SWAP def_bool n diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile index 740f2b8..1f6c486 100644 --- a/arch/microblaze/Makefile +++ b/arch/microblaze/Makefile @@ -35,6 +35,8 @@ endif CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare +CPUFLAGS-$(CONFIG_BIG_ENDIAN) += -mbig-endian +CPUFLAGS-$(CONFIG_LITTLE_ENDIAN) += -mlittle-endian CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))