On Fri, Mar 15 2013, Aaron Carroll wrote:
> I'm trying to build FIO with an Android/x86 cross compiler:
>
> make CROSS_COMPILE=~/dev/android-toolchains-r8c/x86-4.6/bin/i686-linux-android-
>
> but get the following error:
>
> arch/arch-x86-common.h:9:2: error: inconsistent operand constraints in an 'asm'
>
> which is complaining about this function:
>
> static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
> unsigned int *ecx, unsigned int *edx)
> {
> asm volatile("cpuid"
> : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
> : "0" (*eax), "2" (*ecx)
> : "memory");
> }
>
> Unfortunately I don't do x86 ASM. I'm wondering if this is a genuine error,
> or if something has broken in the cross compile.
Hmm, I wonder why it complains about that, looks legit to me... Maybe
it's the ecx being both input and output it doesn't like?
--
Jens Axboe
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