From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756627AbZFEIWK (ORCPT ); Fri, 5 Jun 2009 04:22:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755921AbZFEIG4 (ORCPT ); Fri, 5 Jun 2009 04:06:56 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:37482 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754177AbZFEIGJ (ORCPT ); Fri, 5 Jun 2009 04:06:09 -0400 From: Mike Frysinger To: linux-kernel@vger.kernel.org Cc: uclinux-dist-devel@blackfin.uclinux.org Subject: [PATCH 46/62] Blackfin: fix command line corruption with DEBUG_DOUBLEFAULT Date: Fri, 5 Jun 2009 04:04:55 -0400 Message-Id: <1244189111-19639-47-git-send-email-vapier@gentoo.org> X-Mailer: git-send-email 1.6.3.1 In-Reply-To: <1244189111-19639-1-git-send-email-vapier@gentoo.org> References: <1244189111-19639-1-git-send-email-vapier@gentoo.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit 6b3087c6 (which introduced Blackfin SMP) broke command line passing when the DEBUG_DOUBLEFAULT config option was enabled. Switch the code to using a scratch register and not R7 which holds the command line. Signed-off-by: Mike Frysinger --- arch/blackfin/mach-common/head.S | 16 ++++++++-------- 1 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index 01d62ff..f826f6b 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -124,25 +124,25 @@ ENTRY(__start) * below */ GET_PDA(p0, r0); - r7 = [p0 + PDA_RETX]; + r6 = [p0 + PDA_RETX]; p1.l = _init_saved_retx; p1.h = _init_saved_retx; - [p1] = r7; + [p1] = r6; - r7 = [p0 + PDA_DCPLB]; + r6 = [p0 + PDA_DCPLB]; p1.l = _init_saved_dcplb_fault_addr; p1.h = _init_saved_dcplb_fault_addr; - [p1] = r7; + [p1] = r6; - r7 = [p0 + PDA_ICPLB]; + r6 = [p0 + PDA_ICPLB]; p1.l = _init_saved_icplb_fault_addr; p1.h = _init_saved_icplb_fault_addr; - [p1] = r7; + [p1] = r6; - r7 = [p0 + PDA_SEQSTAT]; + r6 = [p0 + PDA_SEQSTAT]; p1.l = _init_saved_seqstat; p1.h = _init_saved_seqstat; - [p1] = r7; + [p1] = r6; #endif /* Initialize stack pointer */ -- 1.6.3.1