Re: [Qemu-devel] [PATCH v2] target-sh4: add atomic tas

[John Paul Adrian Glaubitz]

On 11/04/2016 11:13 AM, Paolo Bonzini wrote:
>> $ wget http://users.physik.fu-berlin.de/~glaubitz/sid-sh4-sbuild-ghc.tgz
>> $ tar xf sid-sh4-sbuild-ghc.tgz
>> (compile qemu with --target-list=sh4-linux-user --static)
>> $ cp -av qemu-sh4 sid-sh4-sbuild-ghc/usr/bin/qemu-sh4-static
>> $ chroot sid-sh4-sbuild-ghc
>> (in chroot):
>> $ cd /root/ghc-7.8.4/utils/ghc-pwd
>> $ ghc Main.hs
> 
> If Haskell is compiled to use the "negative sp" trick that Richard
> mentioned, it would rely on the SH machine being uniprocessor.  Try
> running chroot with "taskset -c 0".

Doesn't help unfortunately, still either crashes or locks up like this:

address@hidden:~# strace -p 32415
strace: Process 32415 attached
futex(0x7f836c8bd4c8, FUTEX_WAIT_PRIVATE, 7, NULL

with 32415 being the qemu ghc process.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
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