Re: [Qemu-devel] [RISU v2 07/11] test_i386: change syntax from nasm to gas

[Richard Henderson]

On Mon, May 20, 2019, 08:17 Alex Bennée <address@hidden> wrote:

>
> Jan Bobek <address@hidden> writes:
>
> > This allows us to drop dependency on NASM and build the test image
> > with GCC only. Adds support for x86_64, too.
>
>   ./risu --master -t run.out test_i386.bin
>
> and then:
>
>   ./risu -t run.out test_i386.bin
>
> Gives:
>
>   loading test image test_i386.bin...
>   starting apprentice image at 0xf7f07000
>   starting image
>   finished early after 1 checkpoints
>   match status...
>   mismatch on regs!
>   this reginfo:
>     faulting insn fc0b90f
>
> Because:
>
>   Mismatch (master v apprentice):
>   xmm4  : fe76ea16f7d9c58c 000006fc00000000
>        v: fe76ea16f7d1a58c 000006fc00000000
>
> We probably need to zero or reset the xmm regs both in the test and when
> risugen dumps it's preamble.
>

That gets fixed later in the series.

r~

>