From: Yury Norov <ynorov@caviumnetworks.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Catalin Marinas <catalin.marinas@arm.com> Cc: Yury Norov <ynorov@caviumnetworks.com>, Andrew Pinski <pinskia@gmail.com>, Andrew Pinski <Andrew.Pinski@caviumnetworks.com>, Adam Borowski <kilobyte@angband.pl>, Chris Metcalf <cmetcalf@ezchip.com>, Steve Ellcey <sellcey@caviumnetworks.com>, Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>, Ramana Radhakrishnan <ramana.gcc@googlemail.com>, Florian Weimer <fweimer@redhat.com>, Bamvor Zhangjian <bamvor.zhangjian@huawei.com>, Andreas Schwab <schwab@suse.de>, Chris Metcalf <cmetcalf@mellanox.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, schwidefsky@de.ibm.com, broonie@kernel.org, Joseph Myers <joseph@codesourcery.com>, christoph.muellner@theobroma-systems.com, szabolcs.nagy@arm.com, klimov.linux@gmail.com, Nathan_Lynch@mentor.com, agraf@suse.de, Prasun.Kapoor@caviumnetworks.com, geert@linux-m68k.org, philipp.tomsich@theobroma-systems.com, manuel.montezelo@gmail.com, linyongting@huawei.com, davem@davemloft.net, zhouchengming1@huawei.com, Andrew Pinski <apinski@cavium.com> Subject: [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Date: Thu, 2 Mar 2017 00:49:14 +0530 [thread overview] Message-ID: <1488395968-14313-7-git-send-email-ynorov@caviumnetworks.com> (raw) In-Reply-To: <1488395968-14313-1-git-send-email-ynorov@caviumnetworks.com> From: Andrew Pinski <apinski@cavium.com> 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 <Andrew.Pinski@caviumnetworks.com> Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> Reviewed-by: David Daney <ddaney@caviumnetworks.com> --- arch/arm64/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index b9a4a93..c89734d 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -48,15 +48,20 @@ 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 -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: ynorov@caviumnetworks.com (Yury Norov) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Date: Thu, 2 Mar 2017 00:49:14 +0530 [thread overview] Message-ID: <1488395968-14313-7-git-send-email-ynorov@caviumnetworks.com> (raw) In-Reply-To: <1488395968-14313-1-git-send-email-ynorov@caviumnetworks.com> From: Andrew Pinski <apinski@cavium.com> 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 <Andrew.Pinski@caviumnetworks.com> Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> Reviewed-by: David Daney <ddaney@caviumnetworks.com> --- arch/arm64/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index b9a4a93..c89734d 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -48,15 +48,20 @@ 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 -- 2.7.4
next prev parent reply other threads:[~2017-03-01 19:40 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-01 19:19 [PATCH v7 resend 00/20] ILP32 for ARM64 Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 01/20] compat ABI: use non-compat openat and open_by_handle_at variants Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 02/20] 32-bit ABI: introduce ARCH_32BIT_OFF_T config option Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 03/20] asm-generic: Drop getrlimit and setrlimit syscalls from default list Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-10 18:09 ` Will Deacon 2017-03-10 18:09 ` Will Deacon 2017-03-10 18:09 ` Will Deacon 2017-03-01 19:19 ` [PATCH 04/20] arm64: ilp32: add documentation on the ILP32 ABI for ARM64 Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 05/20] arm64: rename COMPAT to AARCH32_EL0 in Kconfig Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` Yury Norov [this message] 2017-03-01 19:19 ` [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Yury Norov 2017-03-01 19:19 ` [PATCH 07/20] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 08/20] thread: move thread bits accessors to separated file Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 09/20] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 10/20] arm64: ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64 Yury Norov 2017-03-01 19:19 ` [PATCH 10/20] arm64: ilp32: add is_ilp32_compat_{task, thread} " Yury Norov 2017-03-01 19:19 ` [PATCH 11/20] arm64: introduce binfmt_elf32.c Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 12/20] arm64: ilp32: introduce binfmt_ilp32.c Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 13/20] arm64: ilp32: share aarch32 syscall handlers Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 14/20] arm64: ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 15/20] arm64: signal: share lp64 signal routines to ilp32 Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 16/20] arm64: signal32: move ilp32 and aarch32 common code to separated file Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 17/20] arm64: ilp32: introduce ilp32-specific handlers for sigframe and ucontext Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 18/20] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32 Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 19/20] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-03-01 19:19 ` [PATCH 20/20] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov 2017-03-01 19:19 ` Yury Norov 2017-04-10 19:47 ` [PATCH v7 resend 00/20] ILP32 for ARM64 Yury Norov 2017-04-10 19:47 ` Yury Norov 2017-04-11 11:33 ` Catalin Marinas 2017-04-11 11:33 ` Catalin Marinas 2017-04-11 11:54 ` Andreas Schwab 2017-04-11 11:54 ` Andreas Schwab 2017-04-11 13:33 ` Yury Norov 2017-04-11 13:33 ` Yury Norov 2017-04-11 18:36 ` Yury Norov 2017-04-11 18:36 ` Yury Norov 2017-04-11 18:42 ` Florian Weimer 2017-04-11 18:42 ` Florian Weimer 2017-04-11 20:52 ` Yury Norov 2017-04-11 20:52 ` Yury Norov -- strict thread matches above, loose matches on Subject: below -- 2017-06-19 15:49 [PATCH v8 " Yury Norov 2017-06-19 15:49 ` [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Yury Norov 2017-06-19 15:49 ` Yury Norov 2017-06-04 11:59 Yury Norov 2017-06-04 11:59 ` [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Yury Norov 2017-06-04 11:59 ` Yury Norov 2017-01-09 11:29 [PATCH v7 00/20] ILP32 for ARM64 Yury Norov 2017-01-09 11:29 ` [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Yury Norov 2017-01-09 11:29 ` Yury Norov
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