| Date | Thu, 16 Aug 2012 11:05:37 +0100 | From | Will Deacon <> | Subject | Re: [PATCH v2 03/31] arm64: Exception handling |
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On Wed, Aug 15, 2012 at 02:03:47PM +0100, Arnd Bergmann wrote: > On Tuesday 14 August 2012, Catalin Marinas wrote: > > > +#ifdef CONFIG_AARCH32_EMULATION > > +#define compat_thumb_mode(regs) \ > > + (((regs)->pstate & COMPAT_PSR_T_BIT)) > > +#else > > +#define compat_thumb_mode(regs) (0) > > +#endif > > The symbol we use on other platforms is CONFIG_COMPAT. I don't think you > need to have a separate CONFIG_AARCH32_EMULATION
Using COMPAT does preclude the possibility of doing something like the x32 ABI later on though. Some other architectures seem to do something similar (MIPS32_COMPAT, IA32_EMULATION).
Will
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