From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay1.mentorg.com (relay1.mentorg.com [192.94.38.131]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id A71A5E0027D for ; Mon, 30 Jul 2012 12:57:02 -0700 (PDT) Received: from svr-orw-fem-01.mgc.mentorg.com ([147.34.98.93]) by relay1.mentorg.com with esmtp id 1Svw5N-0004Zm-QS from Vladimir_Zapolskiy@mentor.com ; Mon, 30 Jul 2012 12:57:01 -0700 Received: from SVR-IES-FEM-01.mgc.mentorg.com ([137.202.0.104]) by svr-orw-fem-01.mgc.mentorg.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Mon, 30 Jul 2012 12:57:01 -0700 Received: from [172.30.3.205] (137.202.0.76) by SVR-IES-FEM-01.mgc.mentorg.com (137.202.0.104) with Microsoft SMTP Server (TLS) id 14.1.289.1; Mon, 30 Jul 2012 20:56:59 +0100 Message-ID: <5016E705.7040806@mentor.com> Date: Mon, 30 Jul 2012 22:56:53 +0300 From: Vladimir Zapolskiy User-Agent: Mozilla/5.0 (X11; Linux i686; rv:10.0.5) Gecko/20120624 Icedove/10.0.5 MIME-Version: 1.0 To: References: <1343126062-26998-1-git-send-email-vladimir_zapolskiy@mentor.com> In-Reply-To: <1343126062-26998-1-git-send-email-vladimir_zapolskiy@mentor.com> X-Originating-IP: [137.202.0.76] X-OriginalArrivalTime: 30 Jul 2012 19:57:01.0693 (UTC) FILETIME=[7C3562D0:01CD6E8D] Subject: Re: [PATCH v2] linux-omap-psp 2.6.32: fix am37x-evm failing build X-BeenThere: meta-ti@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Mailing list for the meta-ti layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Jul 2012 19:57:02 -0000 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Hi, any comments about the issue? Should I firstly create a bug in http://bugzilla.yoctoproject.org, if I want to fix the problem? With best wishes, Vladimir On 24.07.2012 13:34, Vladimir Zapolskiy wrote: > This change adds an additional patch to the Linux kernel to avoid a > compilation time problem with recent toolchains: > > Error: selected processor does not support ARM mode `smc #0' > > With recent toolchains the `smc #0' instruction may be used either in > assembler sources without .arch directive, or `.arch_extension sec' shall > precede it. > > Signed-off-by: Vladimir Zapolskiy > --- > Changes from v1 to v2: > * instead of exclusion of problematic pathes this version fixes them, > one more patch is added > > ...7-add-explicit-.arch_extension-into-assem.patch | 59 ++++++++++++++++++++ > recipes-kernel/linux/linux-omap-psp_2.6.32.bb | 1 + > 2 files changed, 60 insertions(+) > create mode 100644 recipes-kernel/linux/linux-omap-psp-2.6.32/0001-ARM-sysfs_v7-add-explicit-.arch_extension-into-assem.patch > > diff --git a/recipes-kernel/linux/linux-omap-psp-2.6.32/0001-ARM-sysfs_v7-add-explicit-.arch_extension-into-assem.patch b/recipes-kernel/linux/linux-omap-psp-2.6.32/0001-ARM-sysfs_v7-add-explicit-.arch_extension-into-assem.patch > new file mode 100644 > index 0000000..438605f > --- /dev/null > +++ b/recipes-kernel/linux/linux-omap-psp-2.6.32/0001-ARM-sysfs_v7-add-explicit-.arch_extension-into-assem.patch > @@ -0,0 +1,59 @@ > +From 9ef8994ca43905bfee6af59e0fb0cedde9872f6c Mon Sep 17 00:00:00 2001 > +From: Vladimir Zapolskiy > +Date: Mon, 23 Jul 2012 22:18:29 +0300 > +Subject: [PATCH] ARM: sysfs_v7: add explicit .arch_extension into assembler > + code > + > +The change fixes a compilation problem with binutils-2.21 or higher: > + > + Error: selected processor does not support ARM mode `smc #0' > + > +With recent toolchains the `smc #0' instruction may be used either in > +assembler sources without .arch directive, or `.arch_extension sec' shall > +precede it. > + > +Signed-off-by: Vladimir Zapolskiy > +--- > + arch/arm/kernel/Makefile | 1 + > + arch/arm/kernel/sysfs_v7.c | 6 ++++++ > + 2 files changed, 7 insertions(+) > + > +diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile > +index ee20134..bb3bc7e 100644 > +--- a/arch/arm/kernel/Makefile > ++++ b/arch/arm/kernel/Makefile > +@@ -39,6 +39,7 @@ obj-$(CONFIG_KGDB) += kgdb.o > + obj-$(CONFIG_ARM_UNWIND) += unwind.o > + obj-$(CONFIG_HAVE_TCM) += tcm.o > + obj-$(CONFIG_CPU_V7_SYSFS) += sysfs_v7.o > ++CFLAGS_sysfs_v7.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1) > + > + obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o > + AFLAGS_crunch-bits.o := -Wa,-mcpu=ep9312 > +diff --git a/arch/arm/kernel/sysfs_v7.c b/arch/arm/kernel/sysfs_v7.c > +index 5ed32fb..d357b52 100644 > +--- a/arch/arm/kernel/sysfs_v7.c > ++++ b/arch/arm/kernel/sysfs_v7.c > +@@ -78,6 +78,9 @@ static ssize_t aux_ctl_store(struct sys_device *dev, > + val&= ~2; > + asm ("mov r0, %0 \n\t" > + "mov r12, #3 \n\t" > ++#ifdef REQUIRES_SEC > ++ ".arch_extension sec\n\t" > ++#endif > + "smc #0 \n\t" > + :: "r"(val) : "r0", "r12"); > + > +@@ -109,6 +112,9 @@ static ssize_t l2_aux_ctl_store(struct sys_device *dev, > + SETBITS(val, 0xbc00000, new); > + asm ("mov r0, %0 \n\t" > + "mov r12, #2 \n\t" > ++#ifdef REQUIRES_SEC > ++ ".arch_extension sec\n\t" > ++#endif > + "smc #0 \n\t" > + :: "r"(val) : "r0", "r12"); > + > +-- > +1.7.10 > + > diff --git a/recipes-kernel/linux/linux-omap-psp_2.6.32.bb b/recipes-kernel/linux/linux-omap-psp_2.6.32.bb > index 61fc24f..2cfad0c 100644 > --- a/recipes-kernel/linux/linux-omap-psp_2.6.32.bb > +++ b/recipes-kernel/linux/linux-omap-psp_2.6.32.bb > @@ -139,6 +139,7 @@ SRC_URI += "git://arago-project.org/git/projects/linux-omap3.git;protocol=git;br > file://0001-PSP-3.0.1.6-kernel-source-patched-with-OCF-Linux.patch \ > file://porches.patch \ > file://0001-cgroupfs-create-sys-fs-cgroup-to-mount-cgroupfs-on.patch \ > + file://0001-ARM-sysfs_v7-add-explicit-.arch_extension-into-assem.patch \ > file://defconfig" > > SRC_URI_append_beagleboard = " file://logo_linux_clut224.ppm \