On Mon, Nov 02, 2009 at 07:51:31PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> > --- > arch/arm/Kconfig | 15 +++++++++++++++ > arch/arm/Makefile | 8 +++++++- > 2 files changed, 22 insertions(+), 1 deletions(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 1ce216a..00c443d 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -54,6 +54,21 @@ source arch/arm/mach-netx/Kconfig > source arch/arm/mach-omap/Kconfig > source arch/arm/mach-s3c24xx/Kconfig > > +config AEABI > + bool "Use the ARM EABI to compile the kernel" We should use u-boot and not kernel here. Sascha > + help > + This option allows for the kernel to be compiled using the latest > + ARM ABI (aka EABI). This is only useful if you are using a user > + space environment that is also compiled with EABI. > + > + Since there are major incompatibilities between the legacy ABI and > + EABI, especially with regard to structure member alignment, this > + option also changes the kernel syscall calling convention to > + disambiguate both ABIs and allow for backward compatibility support > + (selected with CONFIG_OABI_COMPAT). > + > + To use this you need GCC version 4.0.0 or later. > + > endmenu > > menu "Arm specific settings " > diff --git a/arch/arm/Makefile b/arch/arm/Makefile > index 87783cb..55c2dc3 100644 > --- a/arch/arm/Makefile > +++ b/arch/arm/Makefile > @@ -27,7 +27,13 @@ arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t > tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi > tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi > > -CPPFLAGS += $(arch-y) $(tune-y) > +ifeq ($(CONFIG_AEABI),y) > +CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork > +else > +CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) > +endif > + > +CPPFLAGS += $(CFLAGS_ABI) $(arch-y) $(tune-y) > > # Machine directory name. This list is sorted alphanumerically > # by CONFIG_* macro name. > -- > 1.6.5 > > > _______________________________________________ > u-boot-v2 mailing list > u-boot-v2@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/u-boot-v2 > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ u-boot-v2 mailing list u-boot-v2@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/u-boot-v2
