From patchwork Tue Aug 27 21:38:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Dooks X-Patchwork-Id: 2850425 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D8561BF546 for ; Tue, 27 Aug 2013 22:52:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0A0C420457 for ; Tue, 27 Aug 2013 22:52:51 +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 142132044A for ; Tue, 27 Aug 2013 22:52:50 +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 1VER1K-0004Ok-MU; Tue, 27 Aug 2013 21:41:52 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VER0R-0006df-0i; Tue, 27 Aug 2013 21:40:55 +0000 Received: from 82-68-191-81.dsl.posilan.com ([82.68.191.81] helo=rainbowdash.ducie.codethink.co.uk) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VEQyY-0006Qh-TR for linux-arm-kernel@lists.infradead.org; Tue, 27 Aug 2013 21:39:12 +0000 Received: from ben by rainbowdash.ducie.codethink.co.uk with local (Exim 4.80) (envelope-from ) id 1VEQy9-0005xy-2N; Tue, 27 Aug 2013 22:38:33 +0100 From: Ben Dooks To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 18/19] ARM: kdgb: use for data to be assembled as intruction Date: Tue, 27 Aug 2013 22:38:28 +0100 Message-Id: <1377639509-22778-19-git-send-email-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1377639509-22778-1-git-send-email-ben.dooks@codethink.co.uk> References: <1377639509-22778-1-git-send-email-ben.dooks@codethink.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130827_173859_133888_F5A3ECD1 X-CRM114-Status: GOOD ( 10.35 ) X-Spam-Score: -0.3 (/) Cc: Ben Dooks 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=-6.7 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. Signed-off-by: Ben Dooks Reviewed-by: Dave Martin --- arch/arm/include/asm/kgdb.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/kgdb.h b/arch/arm/include/asm/kgdb.h index 48066ce..0a9d5dd 100644 --- a/arch/arm/include/asm/kgdb.h +++ b/arch/arm/include/asm/kgdb.h @@ -11,6 +11,7 @@ #define __ARM_KGDB_H__ #include +#include /* * GDB assumes that we're a user process being debugged, so @@ -41,7 +42,7 @@ static inline void arch_kgdb_breakpoint(void) { - asm(".word 0xe7ffdeff"); + asm(__inst_arm(0xe7ffdeff)); } extern void kgdb_handle_bus_error(void);