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[11/24] ARM64: Add ARM64_ILP32 to Kconfig.

Message ID 1400914939-9708-12-git-send-email-apinski@cavium.com
State New
Headers show

Commit Message

Andrew Pinski May 24, 2014, 7:02 a.m. UTC 
This patch adds the config option for ILP32.

Thanks,
Andrew Pinski

Signed-off-by: Andrew Pinski <apinski@cavium.com>
---
 arch/arm64/Kconfig |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 032c712..92577da 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -288,7 +288,7 @@  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
@@ -305,6 +305,13 @@  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