From mboxrd@z Thu Jan 1 00:00:00 1970 From: ynorov@caviumnetworks.com (Yury Norov) Date: Tue, 24 May 2016 03:04:52 +0300 Subject: [PATCH 23/23] arm64:ilp32: add ARM64_ILP32 to Kconfig In-Reply-To: <1464048292-30136-1-git-send-email-ynorov@caviumnetworks.com> References: <1464048292-30136-1-git-send-email-ynorov@caviumnetworks.com> Message-ID: <1464048292-30136-24-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 | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 0bb7adc..765d7c2 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -926,12 +926,13 @@ 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" def_bool y depends on ARM64_4K_PAGES || EXPERT + select COMPAT select HAVE_UID16 select OLD_SIGSUSPEND3 select COMPAT_OLD_SIGACTION @@ -947,6 +948,15 @@ config AARCH32_EL0 If you want to execute 32-bit userspace applications, say Y. +config ARM64_ILP32 + bool "Kernel support for ILP32" + select COMPAT + 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