From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753794AbdFSPwL (ORCPT ); Mon, 19 Jun 2017 11:52:11 -0400 Received: from mail-by2nam03on0055.outbound.protection.outlook.com ([104.47.42.55]:63419 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750979AbdFSPvr (ORCPT ); Mon, 19 Jun 2017 11:51:47 -0400 Authentication-Results: arm.com; dkim=none (message not signed) header.d=none;arm.com; dmarc=none action=none header.from=caviumnetworks.com; From: Yury Norov To: Catalin Marinas , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: Yury Norov , Adam Borowski , Andreas Schwab , Andrew Pinski , Bamvor Zhangjian , Chris Metcalf , Chris Metcalf , Florian Weimer , Heiko Carstens , James Hogan , James Morse , Joseph Myers , Maxim Kuvyrkov , Nathan_Lynch@mentor.com, Prasun.Kapoor@caviumnetworks.com, Ramana Radhakrishnan , Steve Ellcey , Alexander Graf , Mark Brown , christoph.muellner@theobroma-systems.com, davem@davemloft.net, Geert Uytterhoeven , Alexey Klimov , linyongting@huawei.com, manuel.montezelo@gmail.com, philipp.tomsich@theobroma-systems.com, schwidefsky@de.ibm.com, szabolcs.nagy@arm.com, zhouchengming1@huawei.com, Andrew Pinski , Andrew Pinski Subject: [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Date: Mon, 19 Jun 2017 18:49:49 +0300 Message-Id: <20170619155003.13218-7-ynorov@caviumnetworks.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170619155003.13218-1-ynorov@caviumnetworks.com> References: <20170619155003.13218-1-ynorov@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [85.253.137.34] X-ClientProxiedBy: VI1P190CA0031.EURP190.PROD.OUTLOOK.COM (10.165.188.172) To BY1PR0701MB1863.namprd07.prod.outlook.com (10.162.143.145) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ba098827-8f8f-41d2-c18e-08d4b72b10c3 X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(22001)(201703131423075)(201703031133081);SRVR:BY1PR0701MB1863; 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Consequently, we need to explicitly pass '-mabi=lp64' (supported on gcc-4.9 and newer). Signed-off-by: Andrew Pinski Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner Signed-off-by: Yury Norov Reviewed-by: David Daney --- arch/arm64/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 1ce57b42f390..807451ffcc29 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -50,15 +50,20 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) $(brokengasinst) +KBUILD_CFLAGS += $(call cc-option,-mabi=lp64) +KBUILD_AFLAGS += $(call cc-option,-mabi=lp64) + ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian AS += -EB LD += -EB +LDFLAGS += -maarch64linuxb UTS_MACHINE := aarch64_be else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL +LDFLAGS += -maarch64linux UTS_MACHINE := aarch64 endif -- 2.11.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: ynorov@caviumnetworks.com (Yury Norov) Date: Mon, 19 Jun 2017 18:49:49 +0300 Subject: [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 In-Reply-To: <20170619155003.13218-1-ynorov@caviumnetworks.com> References: <20170619155003.13218-1-ynorov@caviumnetworks.com> Message-ID: <20170619155003.13218-7-ynorov@caviumnetworks.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Andrew Pinski The kernel needs to be compiled as a LP64 binary for ARM64, even when using a compiler that defaults to code-generation for the ILP32 ABI. Consequently, we need to explicitly pass '-mabi=lp64' (supported on gcc-4.9 and newer). Signed-off-by: Andrew Pinski Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner Signed-off-by: Yury Norov Reviewed-by: David Daney --- arch/arm64/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 1ce57b42f390..807451ffcc29 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -50,15 +50,20 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) $(brokengasinst) +KBUILD_CFLAGS += $(call cc-option,-mabi=lp64) +KBUILD_AFLAGS += $(call cc-option,-mabi=lp64) + ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian AS += -EB LD += -EB +LDFLAGS += -maarch64linuxb UTS_MACHINE := aarch64_be else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL +LDFLAGS += -maarch64linux UTS_MACHINE := aarch64 endif -- 2.11.0