From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yury Norov Subject: [PATCH 25/25] arm64:ilp32: add ARM64_ILP32 to Kconfig Date: Wed, 6 Apr 2016 01:08:47 +0300 Message-ID: <1459894127-17698-26-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 List-Archive: List-Post: 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: From: Andrew Pinski This patch adds the config option for ILP32. 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/Kconfig | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 46fc295..19d8e31 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -926,7 +926,7 @@ source "fs/Kconfig.binfmt" config COMPAT def_bool y - depends on AARCH32_EL0 + depends on AARCH32_EL0 || ARM64_ILP32 config AARCH32_EL0 bool "Kernel support for 32-bit EL0" @@ -946,6 +946,14 @@ config AARCH32_EL0 If you want to execute 32-bit userspace applications, say Y. +config ARM64_ILP32 + bool "Kernel support for ILP32" + select COMPAT_WRAPPER + help + This option enables support for AArch64 ILP32 user space. ILP32 + is an ABI where long and pointers are 32bits but it uses the AARCH64 + instruction set. + config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC -- 2.5.0