From mboxrd@z Thu Jan 1 00:00:00 1970 From: ynorov@caviumnetworks.com (Yury Norov) Date: Wed, 17 Aug 2016 14:46:43 +0300 Subject: [PATCH 18/18] arm64:ilp32: add ARM64_ILP32 to Kconfig In-Reply-To: <1471434403-25291-1-git-send-email-ynorov@caviumnetworks.com> References: <1471434403-25291-1-git-send-email-ynorov@caviumnetworks.com> Message-ID: <1471434403-25291-19-git-send-email-ynorov@caviumnetworks.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 3d46250..e4042a9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -991,7 +991,7 @@ source "fs/Kconfig.binfmt" config COMPAT bool - depends on AARCH32_EL0 + depends on AARCH32_EL0 || ARM64_ILP32 config AARCH32_EL0 bool "Kernel support for 32-bit EL0" @@ -1013,6 +1013,14 @@ config AARCH32_EL0 If you want to execute 32-bit userspace applications, say Y. +config ARM64_ILP32 + bool "Kernel support for ILP32" + select COMPAT + 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. See Documentation/arm64/ilp32.txt for details. + config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC -- 2.7.4