Thread (22 messages) 22 messages, 2 authors, 2015-11-05

[PATCH v6 17/17] arm64:ilp32: add ARM64_ILP32 to Kconfig

From: Yury Norov <hidden>
Date: 2015-11-02 23:34:53
Also in: lkml
Subsystem: arm64 port (aarch64 architecture), the rest · Maintainers: Catalin Marinas, Will Deacon, Linus Torvalds

From: Andrew Pinski <redacted>

This patch adds the config option for ILP32.

Signed-off-by: Philipp Tomsich <redacted>
Signed-off-by: Christoph Muellner <redacted>
Signed-off-by: Yury Norov <redacted>
Signed-off-by: Andrew Pinski <redacted>
Reviewed-by: David Daney <redacted>
---
 arch/arm64/Kconfig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index d1dc605..afbde9c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -680,7 +680,7 @@ source "fs/Kconfig.binfmt"
 
 config COMPAT
 	def_bool y
-	depends on AARCH32_EL0
+	depends on AARCH32_EL0 || ARM64_ILP32
 	select COMPAT_BINFMT_ELF
 
 config AARCH32_EL0
@@ -702,6 +702,13 @@ 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 AARCH32_EL0 && SYSVIPC
-- 
2.1.4
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help