From patchwork Wed May 27 13:49:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 11573023 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CAE0790 for ; Wed, 27 May 2020 13:50:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A730B207D8 for ; Wed, 27 May 2020 13:50:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="V0VgWI0N" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A730B207D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=qQzv5xI2jOX6+s8Lzz3vklqwuKx5inHTfi3jfnhd8FU=; b=V0VgWI0NF4NGqm 42p++dDPUz9ha+XR/xGZApYvH60ZMi2mOwBOExUOK80iw1uyUZCH3zoHdoksQZlSsudP7SZgRXmCp uFFg7Ridh+Hr+6uuQwtyJQL34RNxw4OV0yxJVyP5i7BSyx6Yv2z+ZRDqdWsd+LYd3hUp9sppATrZh xz4lTmD80a8PDUWsomlXPX1umSQMJ5A550EgXouhwxvYXC4jwIRRLyOxCUG+IKLzOY0yMtDHVUj2y YOnf+/VJpICw/YibmnJICqptriuKMytS5Q91d71Ut6g1grBT7cj9w67P/7xtpPDhGCKst6ChGdD/R pHRqxr7XdTC/sc2U601g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdwRP-0002c9-7O; Wed, 27 May 2020 13:49:55 +0000 Received: from mout.kundenserver.de ([212.227.126.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdwRM-0002bR-7Z for linux-arm-kernel@lists.infradead.org; Wed, 27 May 2020 13:49:53 +0000 Received: from threadripper.lan ([149.172.98.151]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPA (Nemesis) id 1MeToK-1j3mD13omq-00aStF; Wed, 27 May 2020 15:49:47 +0200 From: Arnd Bergmann To: Russell King Subject: [PATCH] ARM: pass -msoft-float to gcc earlier Date: Wed, 27 May 2020 15:49:34 +0200 Message-Id: <20200527134946.1034391-1-arnd@arndb.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-Provags-ID: V03:K1:G5fO0GvXqQ7URCOK275565svfOfjD5zjWbghoAyYqsXD61NGPPV K3P+UcFTh2o/d8MI/VsrOcbfFksMEw7u1v2KFJI6nP+xf/v/qOU6RVa+Pu5ZZg2ZtebjVaW tsb2V6RQplKSQTiTvuvi5WkDqZy6qzEGPwloEkwqKHfbICW6mNJObm/mwqBT1AGpuNNM43i vEz1YQwWcfzoziXlzOepQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:F/gBf8yOHW8=:5cuOcmDhdtzCJCm0zoNZgt ZtF8+oGlZwNWTXQJqiHCMjNXmEsfdwmft9cA4rbnXJs9aM7km6WYRsyc6oz9js5S1d3sh/aye xnogOzfSLlw+BYYo/c4AzbyxQgxv4OKSMa+RisnP8LfBCwUO980XTUQV5zRKqWw8IZn+FMPmB WtZhDlM9utEQyHFrPLej3hA/59gBS9ly0J0hXKZJRAvsykz8CzxVdtB639NywEP24FtN7cth6 bWHBzJeTfzu/4dB6UWULId8FwI0XShfSfurO6JXs7gLBUJMruxzK9t8Y7WnCWnJY5e6q+GtOv +Mv0p6hs0+HsDU1jJRyQXtAbdAWJ92FMIaBptBuDogpASSMz2MwT2XeL6XXFAwJ+ndY/WBfbz SP3HS5MpUbA06oumhVdpuZR2WY8I3DxrmL5XYz9SXyJrr9PnEvcyrUwVjyK9dYSVvQhiLKfi1 szwpcnObSPKcbdjQkxZSQ6WNJ73zQxmBtiqUjSZoy3FAxEvaGu23bH6+gRn2oFkkd0/M5R7UC Gs8rPkNeFdnDTpOeJOUXlD4t/AbqNafO0auZuWwnmvA9dRBiJfVj/Y63/XIkstvjBbTWx9GjG aUoPZpu+wffPiTB/0WCY3K4EQn5S0XwRXYYKHfypFtctx52XbI9G2utzxW4henz2dE4/gvxFa +3ZNgLhUBk1iDMWpzcERcAgRiGTX+Uxwk9yimIb1V6k4SUnoH6rKXG91EPLsNHPr54fMeJvF5 3lu5tOCJzhS33qiU2PAupR2XFh93FPWVYvs55jwY0OiFTlqbH9DoBINICzuivzM3NVBPRryvJ KywP/UlNgPerwZHcHme3CXB1FxX6+wGwHYyoiXy3Lac0wX7lfM= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_064952_560593_7AEC1327 X-CRM114-Status: GOOD ( 11.47 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [212.227.126.187 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [212.227.126.187 listed in wl.mailspike.net] 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Szabolcs Nagy , Masahiro Yamada , linux-kernel@vger.kernel.org, Nathan Huckleberry , Nathan Chancellor , Will Deacon , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Szabolcs Nagy ran into a kernel build failure with a custom gcc toochain that sets -mfpu=auto -mfloat-abi-hard: /tmp/ccmNdcdf.s:1898: Error: selected processor does not support `cpsid i' in ARM mode The problem is that $(call cc-option, -march=armv7-a) fails before the kernel overrides the gcc options to also pass -msoft-float. Move the option to the beginning the Makefile, before we call cc-option for the first time. Reported-by: Szabolcs Nagy Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87302 Signed-off-by: Arnd Bergmann --- arch/arm/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fcd40c5bfd94..9804f8f61e67 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -16,6 +16,8 @@ LDFLAGS_vmlinux += --be8 KBUILD_LDFLAGS_MODULE += --be8 endif +KBUILD_CFLAGS += -msoft-float + ifeq ($(CONFIG_CPU_32v4),y) LDFLAGS_vmlinux += $(call ld-option,--fix-v4bx) LDFLAGS_MODULE += $(call ld-option,--fix-v4bx) @@ -138,7 +140,7 @@ AFLAGS_ISA :=$(CFLAGS_ISA) endif # Need -Uarm for gcc < 3.x -KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm +KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -Uarm KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float CHECKFLAGS += -D__arm__