Re: [Qemu-devel] [PATCH 0/7] Improve alpha-linux userspace emulation

[Laurent Desnogues]

On Thu, Dec 10, 2009 at 1:05 AM, Richard Henderson <address@hidden> 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.  At 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):
>  alpha: Implement IMB; add placeholders for other userspace PALcalls.
>  alpha: Drop bogus UNIQ initial value on Linux.
>  alpha: Add binfmt entry.
>  alpha: Remove bogus DO_TB_FLUSH code from translator.
>  alpha: Honor the -cpu command line argument. Also change the default
>    cpu to ev67.
>  alpha: Enable softfloat.
>  alpha: Fixes for alpha-linux syscalls.
>
>  configure                  |    2 +-
>  fpu/softfloat-specialize.h |    4 +-
>  fpu/softfloat.h            |    1 +
>  hw/alpha_palcode.c         |   29 ++++++-
>  linux-user/alpha/syscall.h |  212 
> ++++++++++++++++++++++++++++++++++++++++++++
>  linux-user/elfload.c       |    3 -
>  linux-user/syscall.c       |  137 ++++++++++++++++++++++++++--
>  qemu-binfmt-conf.sh        |    3 +
>  target-alpha/cpu.h         |   49 ++++++++++
>  target-alpha/helper.c      |   77 ++++++++++++++++
>  target-alpha/helper.h      |    2 -
>  target-alpha/op_helper.c   |   46 +---------
>  target-alpha/translate.c   |   52 +++++++++--
>  13 files changed, 544 insertions(+), 73 deletions(-)
>
>
>
>