Re: [kvm-unit-tests PATCH] powerpc: don't fail if QEMU does not support alignment exception

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On 19/04/2016 15:36, Laurent Vivier wrote:
> As for lswi, lswx is supposed to cause an alignment exception in
> little endian mode, but QEMU does not support it. So in case we do
> not get an exception, this is an expected failure and we run the other
> tests.
> 
> Signed-off-by: Laurent Vivier <lvivier@xxxxxxxxxx>
> ---
>  powerpc/emulator.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/powerpc/emulator.c b/powerpc/emulator.c
> index 4dc341f..9720723 100644
> --- a/powerpc/emulator.c
> +++ b/powerpc/emulator.c
> @@ -245,8 +245,16 @@ static void test_lswx(void)
>  		      "xer", "r11", "r12", "memory");
>  
>  #if  __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> -	report("alignment", alignment);
> -	return;
> +	/*
> +	 * lswx is supposed to cause an alignment exception in little endian
> +	 * mode, but QEMU does not support it. So in case we do not get an
> +	 * exception, this is an expected failure and we run the other tests
> +	 */
> +	report_xfail("alignment", !alignment, alignment);
> +	if (alignment) {
> +		report_prefix_pop();
> +		return;
> +	}
>  #else
>  	report("partial", regs[0] == 0x01020300 && regs[1] == (uint64_t)-1);
>  #endif


If fact, this is not correct: the report("partial",...) should be out
the #if..#endif body.

Laurent

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