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


From: Alex Bennée
Subject: Re: [Qemu-devel] [RISU v2 07/11] test_i386: change syntax from nasm to gas
Date: Tue, 21 May 2019 10:08:47 +0100
User-agent: mu4e 1.3.2; emacs 26.1

Richard Henderson <address@hidden> writes:

> 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.

So it does, but I'm still seeing the test fail when played back :-/

--
Alex Bennée



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