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In-Reply-To: <cover.1260403522.git.rth@twiddle.net>
References: <cover.1260403522.git.rth@twiddle.net>
Date: Thu, 10 Dec 2009 08:11:12 +0100
Message-ID: <761ea48b0912092311q1e467edeq8428014c51d6d33b@mail.gmail.com>
Subject: Re: [Qemu-devel] [PATCH 0/7] Improve alpha-linux userspace emulation
From: Laurent Desnogues <laurent.desnogues@gmail.com>
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To: Richard Henderson <rth@twiddle.net>
Cc: qemu-devel@nongnu.org

On Thu, Dec 10, 2009 at 1:05 AM, Richard Henderson <rth@twiddle.net> wrote:
>
> The following patch series results in an emulator that's good enough
> to run a good bit of the GCC testsuite, dynamic linking and all.
> There are more failures than native hardware. =A0At first glance they
> appear to be fpu related, but I havn't investigated properly yet.

I don't know what FPU instructions gcc emits, but QEMU doesn't
handle the rounding mode encoding.  If you're interested I started
implementing that, though it's not complete (and it didn't fix the
SPEC2k equake failure I had).


Laurent

>
> r~
> --
>
>
> Richard Henderson (7):
> =A0alpha: Implement IMB; add placeholders for other userspace PALcalls.
> =A0alpha: Drop bogus UNIQ initial value on Linux.
> =A0alpha: Add binfmt entry.
> =A0alpha: Remove bogus DO_TB_FLUSH code from translator.
> =A0alpha: Honor the -cpu command line argument. Also change the default
> =A0 =A0cpu to ev67.
> =A0alpha: Enable softfloat.
> =A0alpha: Fixes for alpha-linux syscalls.
>
> =A0configure =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A02 +-
> =A0fpu/softfloat-specialize.h | =A0 =A04 +-
> =A0fpu/softfloat.h =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A01 +
> =A0hw/alpha_palcode.c =A0 =A0 =A0 =A0 | =A0 29 ++++++-
> =A0linux-user/alpha/syscall.h | =A0212 ++++++++++++++++++++++++++++++++++=
++++++++++
> =A0linux-user/elfload.c =A0 =A0 =A0 | =A0 =A03 -
> =A0linux-user/syscall.c =A0 =A0 =A0 | =A0137 ++++++++++++++++++++++++++--
> =A0qemu-binfmt-conf.sh =A0 =A0 =A0 =A0| =A0 =A03 +
> =A0target-alpha/cpu.h =A0 =A0 =A0 =A0 | =A0 49 ++++++++++
> =A0target-alpha/helper.c =A0 =A0 =A0| =A0 77 ++++++++++++++++
> =A0target-alpha/helper.h =A0 =A0 =A0| =A0 =A02 -
> =A0target-alpha/op_helper.c =A0 | =A0 46 +---------
> =A0target-alpha/translate.c =A0 | =A0 52 +++++++++--
> =A013 files changed, 544 insertions(+), 73 deletions(-)
>
>
>
>