Re: [PATCH] [kvm-unit-tests] realmode: test SAHF instruction

[Gleb Natapov <gleb@redhat.com>]

On Thu, Oct 31, 2013 at 11:42:25AM +0100, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Applied, thanks.

> ---
>  x86/realmode.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/x86/realmode.c b/x86/realmode.c
> index 3546771..b9cb634 100644
> --- a/x86/realmode.c
> +++ b/x86/realmode.c
> @@ -1409,6 +1409,15 @@ static void test_sgdt_sidt(void)
>      report("sidt", 0, x == y);
>  }
>  
> +static void test_sahf(void)
> +{
> +    MK_INSN(sahf, "sahf; pushfw; mov (%esp), %al; popfw");
> +
> +    inregs.eax = 0xfd00;
> +    exec_in_big_real_mode(&insn_sahf);
> +    report("sahf", R_AX, outregs.eax == (inregs.eax | 0xd7));
> +}
> +
>  static void test_lahf(void)
>  {
>      MK_INSN(lahf, "pushfw; mov %al, (%esp); popfw; lahf");
> @@ -1554,6 +1563,7 @@ void realmode_start(void)
>  	test_ss_base_for_esp_ebp();
>  	test_sgdt_sidt();
>  	test_lahf();
> +	test_sahf();
>  	test_movzx_movsx();
>  	test_bswap();
>  	test_aad();
> -- 
> 1.8.3.1

--
			Gleb.