From patchwork Fri Oct 11 13:52:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Leach X-Patchwork-Id: 3024461 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 978A29F1E1 for ; Fri, 11 Oct 2013 13:56:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8F18020170 for ; Fri, 11 Oct 2013 13:56:08 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 55D4B202BE for ; Fri, 11 Oct 2013 13:56:07 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VUdC0-0002vK-6d; Fri, 11 Oct 2013 13:55:48 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VUdBt-00019F-Qe; Fri, 11 Oct 2013 13:55:41 +0000 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VUdBj-00016j-Nx for linux-arm-kernel@lists.infradead.org; Fri, 11 Oct 2013 13:55:33 +0000 Received: from e106496-lin.cambridge.arm.com (e106496-lin.cambridge.arm.com [10.1.209.162]) by cam-admin0.cambridge.arm.com (8.12.6/8.12.6) with ESMTP id r9BDqOkv004251; Fri, 11 Oct 2013 14:52:27 +0100 (BST) From: Matthew Leach To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 13/14] arm64: kconfig: allow CPU_BIG_ENDIAN to be selected Date: Fri, 11 Oct 2013 14:52:19 +0100 Message-Id: <1381499540-28794-14-git-send-email-matthew.leach@arm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1381499540-28794-1-git-send-email-matthew.leach@arm.com> References: <1381499540-28794-1-git-send-email-matthew.leach@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131011_095532_197359_7082B3E2 X-CRM114-Status: GOOD ( 11.90 ) X-Spam-Score: -7.1 (-------) Cc: will.deacon@arm.com, steve.mcintyre@linaro.org, catalin.marinas@arm.com, tushar.jagad@linaro.org, ankit.jindal@linaro.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Will Deacon This patch wires up CONFIG_CPU_BIG_ENDIAN for the AArch64 kernel configuration. Selecting this option builds a big-endian kernel which can boot into a big-endian userspace. Signed-off-by: Will Deacon --- arch/arm64/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c044548..95d6cb9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -138,6 +138,11 @@ config ARM64_64K_PAGES look-up. AArch32 emulation is not available when this feature is enabled. +config CPU_BIG_ENDIAN + bool "Build big-endian kernel" + help + Say Y if you plan on running a kernel in big-endian mode. + config SMP bool "Symmetric Multi-Processing" select USE_GENERIC_SMP_HELPERS