From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yury Norov Subject: [PATCH 09/25] arm64: ensure the kernel is compiled for LP64 Date: Wed, 6 Apr 2016 01:08:31 +0300 Message-ID: <1459894127-17698-10-git-send-email-ynorov@caviumnetworks.com> References: <1459894127-17698-1-git-send-email-ynorov@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1459894127-17698-1-git-send-email-ynorov@caviumnetworks.com> Sender: linux-kernel-owner@vger.kernel.org To: arnd@arndb.de, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, ynorov@caviumnetworks.com, pinskia@gmail.com, Prasun.Kapoor@caviumnetworks.com, schwab@suse.de, Nathan_Lynch@mentor.com, agraf@suse.de, klimov.linux@gmail.com, broonie@kernel.org, joseph@codesourcery.com, christoph.muellner@theobroma-systems.com, bamvor.zhangjian@huawei.com, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Andrew Pinski , Andrew Pinski , Philipp Tomsich List-Id: linux-arch.vger.kernel.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 354d754..29ebf23 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -35,14 +35,19 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) +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 else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL +LDFLAGS += -maarch64linux endif CHECKFLAGS += -D__aarch64__ -- 2.5.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bn1bon0091.outbound.protection.outlook.com ([157.56.111.91]:10694 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933849AbcDEW1I (ORCPT ); Tue, 5 Apr 2016 18:27:08 -0400 From: Yury Norov Subject: [PATCH 09/25] arm64: ensure the kernel is compiled for LP64 Date: Wed, 6 Apr 2016 01:08:31 +0300 Message-ID: <1459894127-17698-10-git-send-email-ynorov@caviumnetworks.com> In-Reply-To: <1459894127-17698-1-git-send-email-ynorov@caviumnetworks.com> References: <1459894127-17698-1-git-send-email-ynorov@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-arch-owner@vger.kernel.org List-ID: To: arnd@arndb.de, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, ynorov@caviumnetworks.com, pinskia@gmail.com, Prasun.Kapoor@caviumnetworks.com, schwab@suse.de, Nathan_Lynch@mentor.com, agraf@suse.de, klimov.linux@gmail.com, broonie@kernel.org, joseph@codesourcery.com, christoph.muellner@theobroma-systems.com, bamvor.zhangjian@huawei.com, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Andrew Pinski , Andrew Pinski , Philipp Tomsich Message-ID: <20160405220831.y-HqEni869mM7CG8WdIiQ2MhSOMM3RDKQBMJLimMBLY@z> 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 354d754..29ebf23 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -35,14 +35,19 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) +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 else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL +LDFLAGS += -maarch64linux endif CHECKFLAGS += -D__aarch64__ -- 2.5.0