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Commit 6c90c872 authored by Nicolas Pitre's avatar Nicolas Pitre Committed by Russell King
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[ARM] 3112/1: old ABI compat: config option to turn it on 



Patch from Nicolas Pitre

Enjoy !

Signed-off-by: default avatarNicolas Pitre <nico@cam.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 8993a44c

arch/arm/Kconfig

+17 −0
Original line number Diff line number Diff line
@@ -416,6 +416,23 @@ config AEABI 


	  To use this you need GCC version 4.0.0 or later.



config OABI_COMPAT

	bool "Allow old ABI binaries to run with this kernel"

	depends on AEABI

	default y

	help

	  This option preserves the old syscall interface along with the

	  new (ARM EABI) one. It also provides a compatibility layer to

	  intercept syscalls that have structure arguments which layout

	  in memory differs between the legacy ABI and the new ARM EABI

	  (only for non "thumb" binaries). This option adds a tiny

	  overhead to all syscalls and produces a slightly larger kernel.

	  If you know you'll be using only pure EABI user space then you

	  can say N here. If this option is not selected and you attempt

	  to execute a legacy ABI binary then the result will be

	  UNPREDICTABLE (in fact it can be predicted that it won't work

	  at all). If in doubt say Y.



config ARCH_DISCONTIGMEM_ENABLE

	bool

	default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM)