From: Andrew Pinski apinski@cavium.com
hulk inclusion category: feature bugzilla: NA CVE: NA ---------------------------
This patch adds the config option for ILP32.
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 Signed-off-by: Xiongfeng Wang wangxiongfeng2@huawei.com Reviewed-by: Hanjun Guo <guohanjun@huawei.com mailto:guohanjun@huawei.com> Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- arch/arm64/Kconfig | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 31e5f2529f497..a08fa3f1648c2 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1457,7 +1457,7 @@ endmenu
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" @@ -1478,6 +1478,13 @@ config AARCH32_EL0
If you want to execute 32-bit userspace applications, say Y.
+config ARM64_ILP32 + bool "Kernel support for ILP32" + 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