From: Yury Norov <ynorov@caviumnetworks.com>
To: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>,
"linux-arch @ 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: Mon, 9 Jan 2017 16:59:43 +0530 [thread overview]
Message-ID: <1483961397-8599-7-git-send-email-ynorov@caviumnetworks.com> (raw)
In-Reply-To: <1483961397-8599-1-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:[~2017-01-09 11:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-09 11:29 [PATCH v7 00/20] ILP32 for ARM64 Yury Norov
2017-01-09 11:29 ` [PATCH 01/20] compat ABI: use non-compat openat and open_by_handle_at variants Yury Norov
2017-01-09 11:29 ` [PATCH 02/20] 32-bit ABI: introduce ARCH_32BIT_OFF_T config option Yury Norov
2017-01-09 11:29 ` [PATCH 03/20] asm-generic: Drop getrlimit and setrlimit syscalls from default list Yury Norov
2017-01-09 11:29 ` [PATCH 04/20] arm64: ilp32: add documentation on the ILP32 ABI for ARM64 Yury Norov
2017-01-09 11:29 ` [PATCH 05/20] arm64: rename COMPAT to AARCH32_EL0 in Kconfig Yury Norov
2017-01-09 11:29 ` Yury Norov [this message]
2017-01-09 11:29 ` [PATCH 07/20] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Yury Norov
2017-01-09 11:29 ` [PATCH 08/20] thread: move thread bits accessors to separated file Yury Norov
2017-01-09 11:29 ` [PATCH 09/20] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov
2017-01-09 11:29 ` [PATCH 10/20] arm64: ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64 Yury Norov
2017-01-09 11:29 ` [PATCH 11/20] arm64: introduce binfmt_elf32.c Yury Norov
2017-01-09 11:29 ` [PATCH 12/20] arm64: ilp32: introduce binfmt_ilp32.c Yury Norov
2017-01-09 11:29 ` [PATCH 13/20] arm64: ilp32: share aarch32 syscall handlers Yury Norov
2017-01-09 11:29 ` [PATCH 14/20] arm64: ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov
2017-01-09 11:29 ` [PATCH 15/20] arm64: signal: share lp64 signal routines to ilp32 Yury Norov
2017-01-09 11:29 ` [PATCH 16/20] arm64: signal32: move ilp32 and aarch32 common code to separated file Yury Norov
2017-01-09 11:29 ` [PATCH 17/20] arm64: ilp32: introduce ilp32-specific handlers for sigframe and ucontext Yury Norov
2017-01-09 11:29 ` [PATCH 18/20] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32 Yury Norov
2017-01-09 11:29 ` [PATCH 19/20] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov
2017-01-09 11:29 ` [PATCH 20/20] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov
2017-01-30 5:42 ` [PATCH v7 00/20] ILP32 for ARM64 Yury Norov
2017-02-12 13:07 ` Andrew Pinski
2017-02-16 13:23 ` Maxim Kuvyrkov
2017-03-01 19:19 [PATCH v7 resend " Yury Norov
2017-03-01 19:19 ` [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 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
2017-06-19 15:49 [PATCH v8 00/20] ILP32 for ARM64 Yury Norov
2017-06-19 15:49 ` [PATCH 06/20] arm64: ensure the kernel is compiled for LP64 Yury Norov
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