Messages in this thread | | | Date | Fri, 18 Sep 2009 18:08:55 +0300 | Subject | Re: [PATCH 1/2] ARM: Pass IFSR register to do_PrefetchAbort() | From | "Kirill A. Shutemov" <> |
| |
On Fri, Sep 18, 2009 at 5:52 PM, Aaro Koskinen <aaro.koskinen@nokia.com> wrote: > Hello, > > Kirill A. Shutemov wrote: >>> >>> #ifdef CONFIG_CPU_PABRT_NOIFAR >>> -# ifdef CPU_PABORT_HANDLER >>> +# ifdef CPU_PABORT_HANDLER_IFAR >>> # define MULTI_PABORT 1 >>> # else >>> -# define CPU_PABORT_HANDLER(reg, insn) mov reg, insn >>> +# define CPU_PABORT_HANDLER_IFAR(reg, insn) mov reg, insn >>> +# define CPU_PABORT_HANDLER_IFSR(reg) mrc p15, 0, reg, cr5, >>> cr0, 1 >> >> It's incorrect. We have IFSR only on ARMv7. > > It seems my assumption on the availability of that register was wrong, but I > think it's available at least on ARMv6, and also that IFAR can be > optional...
I can't find anything in ARMv6-M Architecture Reference Manual by keywords "ifar" or "ifsr".
> > A. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |