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Groups > linux.kernel > #1235594
| From | Yury Norov <ynorov@caviumnetworks.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v5 02/23] arm64: ensure the kernel is compiled for LP64 |
| Date | 2015-09-30 00:20 +0200 |
| Message-ID | <qebpF-2HP-45@gated-at.bofh.it> (permalink) |
| References | <qebpD-2HP-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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: 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> diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index f9914d7..d7a13ce 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -15,7 +15,6 @@ CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S GZFLAGS :=-9 -KBUILD_DEFCONFIG := defconfig # Check for binutils support for specific extensions lseinstr := $(call as-instr,.arch_extension lse,-DCONFIG_AS_LSE=1) @@ -29,14 +28,19 @@ endif KBUILD_CFLAGS += -mgeneral-regs-only $(lseinstr) 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__ -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v5 00/23] ILP32 for ARM64 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 08/23] arm64:ilp32: use 64bit syscall-names for ILP32 when passing 64bit registers Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 17/23] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
Re: [PATCH v5 17/23] arm64:ilp32: add vdso-ilp32 and use for signal return Nathan Lynch <Nathan_Lynch@mentor.com> - 2015-09-30 06:10 +0200
Re: [PATCH v5 17/23] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov <ynorov@caviumnetworks.com> - 2015-10-01 21:50 +0200
Re: [PATCH v5 17/23] arm64:ilp32: add vdso-ilp32 and use for signal return "Dr. Philipp Tomsich" <philipp.tomsich@theobroma-systems.com> - 2015-10-01 22:40 +0200
[PATCH v5 09/23] arm64:ilp32: use non-compat syscall names for ILP32 as for LP64 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 23/23] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 13/23] arm64:ilp32: share HWCAP between LP64 and ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 04/23] arm64: change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
Re: [PATCH v5 04/23] arm64: change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead kbuild test robot <lkp@intel.com> - 2015-09-30 05:40 +0200
[PATCH v5 02/23] arm64: ensure the kernel is compiled for LP64 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 16/23] arm64: add support for starting ILP32 (ELFCLASS32) binaries Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 15/23] arm64:ilp32: support core dump generation for ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 05/23] arm64:ilp32: expose 'kernel_long' as 'long long' for ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
[PATCH v5 10/23] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:20 +0200
Re: [PATCH v5 10/23] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) kbuild test robot <lkp@intel.com> - 2015-09-30 05:50 +0200
[PATCH v5 22/23] aarch64: ilp32: msgrcv, msgsnd handlers Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:30 +0200
[PATCH v5 20/23] arm64:ilp32: use the native siginfo instead of the compat siginfo Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:30 +0200
[PATCH v5 07/23] arm64:ilp32: share signal structures between ILP32 and LP64 ABIs Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:30 +0200
[PATCH v5 19/23] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:30 +0200
[PATCH v5 21/23] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:30 +0200
[PATCH v5 18/23] ptrace: Allow compat to use the native siginfo Yury Norov <ynorov@caviumnetworks.com> - 2015-09-30 00:30 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Catalin Marinas <catalin.marinas@arm.com> - 2015-09-30 12:20 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Mark Brown <broonie@kernel.org> - 2015-09-30 18:50 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Catalin Marinas <catalin.marinas@arm.com> - 2015-10-01 13:20 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Mark Brown <broonie@kernel.org> - 2015-10-01 13:40 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Andrey Konovalov <andrey.konovalov@linaro.org> - 2015-10-01 18:50 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Yury Norov <ynorov@caviumnetworks.com> - 2015-10-01 21:40 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Yury Norov <ynorov@caviumnetworks.com> - 2015-10-01 21:20 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Arnd Bergmann <arnd@arndb.de> - 2015-10-01 23:30 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 "Pinski, Andrew" <Andrew.Pinski@caviumnetworks.com> - 2015-10-01 23:50 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Catalin Marinas <catalin.marinas@arm.com> - 2015-10-02 11:40 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 "Kapoor, Prasun" <Prasun.Kapoor@caviumnetworks.com> - 2015-10-03 05:00 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Catalin Marinas <catalin.marinas@arm.com> - 2015-10-05 18:00 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 "Pinski, Andrew" <Andrew.Pinski@caviumnetworks.com> - 2015-10-05 23:10 +0200
Re: [PATCH v5 00/23] ILP32 for ARM64 Yury Norov <ynorov@caviumnetworks.com> - 2015-10-05 21:20 +0200
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