From patchwork Thu Jul 25 14:49:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Dooks X-Patchwork-Id: 2833459 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 7AF5C9F243 for ; Thu, 25 Jul 2013 15:45:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6602B20334 for ; Thu, 25 Jul 2013 15:45:37 +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 0412320318 for ; Thu, 25 Jul 2013 15:45:36 +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 1V2NjL-0001xt-4q; Thu, 25 Jul 2013 15:45:27 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V2NjD-0005K9-CL; Thu, 25 Jul 2013 15:45:19 +0000 Received: from ducie-dc1.codethink.co.uk ([37.128.190.40]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V2Nj2-0005Ij-7g for linux-arm-kernel@lists.infradead.org; Thu, 25 Jul 2013 15:45:09 +0000 Received: from localhost (localhost [127.0.0.1]) by ducie-dc1.codethink.co.uk (Postfix) with ESMTP id 551A54608AD for ; Thu, 25 Jul 2013 16:44:51 +0100 (BST) X-Virus-Scanned: Debian amavisd-new at ducie-dc1.codethink.co.uk Received: from ducie-dc1.codethink.co.uk ([127.0.0.1]) by localhost (ducie-dc1.codethink.co.uk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iGFbhlZ3DEmj for ; Thu, 25 Jul 2013 16:44:46 +0100 (BST) Received: from rainbowdash.ducie.codethink.co.uk (rainbowdash.dyn.ducie.codethink.co.uk [192.168.24.134]) by ducie-dc1.codethink.co.uk (Postfix) with ESMTPS id CB0B8462D20 for ; Thu, 25 Jul 2013 16:44:34 +0100 (BST) Received: from ben by rainbowdash.ducie.codethink.co.uk with local (Exim 4.80) (envelope-from ) id 1V2MrM-0001OB-CL; Thu, 25 Jul 2013 15:49:40 +0100 From: Ben Dooks To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] ARM: kdgb: use .inst for data to be assembled as intruction Date: Thu, 25 Jul 2013 15:49:38 +0100 Message-Id: <1374763778-5305-2-git-send-email-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1374763778-5305-1-git-send-email-ben.dooks@codethink.co.uk> References: <1374763778-5305-1-git-send-email-ben.dooks@codethink.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130725_114508_445655_58DDD086 X-CRM114-Status: GOOD ( 12.64 ) X-Spam-Score: -1.9 (-) Cc: Ben Dooks , rmk@arm.linux.org.uk 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=-4.2 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 The arch_kgdb_breakpoint() function uses an inline assembly directive to assemble a specific instruction using .word. This means the linker will not treat is as an instruction, and therefore incorrectly swap the endian-ness if running BE8. Note, not tested, please comment if this is wrong. Signed-off-by: Ben Dooks --- arch/arm/include/asm/kgdb.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/include/asm/kgdb.h b/arch/arm/include/asm/kgdb.h index 48066ce..76227c8 100644 --- a/arch/arm/include/asm/kgdb.h +++ b/arch/arm/include/asm/kgdb.h @@ -41,7 +41,7 @@ static inline void arch_kgdb_breakpoint(void) { - asm(".word 0xe7ffdeff"); + asm(".inst 0xe7ffdeff"); } extern void kgdb_handle_bus_error(void);