Re: [PATCH 5/5] ARM64: Add support for ILP32 ABI.

From: Catalin Marinas
Date: Fri Sep 13 2013 - 08:14:18 EST


On Fri, Sep 13, 2013 at 11:04:53AM +0100, Will Deacon wrote:
> On Fri, Sep 13, 2013 at 10:57:40AM +0100, Catalin Marinas wrote:
> > On Fri, Sep 13, 2013 at 10:47:12AM +0100, Will Deacon wrote:
> > > On Fri, Sep 13, 2013 at 07:18:48AM +0100, Andrew Pinski wrote:
> > > > On Wed, Sep 11, 2013 at 7:32 AM, Catalin Marinas
> > > > <catalin.marinas@xxxxxxx> wrote:
> > > > > On Mon, Sep 09, 2013 at 10:32:59PM +0100, Andrew Pinski wrote:
> > > > >> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > > > >> index cc64df5..7fdc994 100644
> > > > >> --- a/arch/arm64/Kconfig
> > > > >> +++ b/arch/arm64/Kconfig
> > > > >> @@ -248,7 +248,7 @@ source "fs/Kconfig.binfmt"
> > > > >>
> > > > >> config COMPAT
> > > > >> def_bool y
> > > > >> - depends on ARM64_AARCH32
> > > > >> + depends on ARM64_AARCH32 || ARM64_ILP32
> > > > >> select COMPAT_BINFMT_ELF
> > > > >>
> > > > >> config ARM64_AARCH32
> > >
> > > (nitpick) We used to have an option like this, called
> > > CONFIG_AARCH32_EMULATION, which I think is clearer than CONFIG_ARM64_AARCH32.
> >
> > I think avoiding "EMULATION" is better, we don't actually emulate the
> > instruction set ;).
>
> Bah, you suggest something better then!

CONFIG_AARCH32_EL0.

--
Catalin
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