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Message-ID: <ZfG8Cycju/0frdQ+@waldemar-brodkorb.de>
Date: Wed, 13 Mar 2024 15:45:31 +0100
From: Waldemar Brodkorb <wbx@...nadk.org>
To: musl@...ts.openwall.com
Subject: Re: loongarch64 atomics not working?
Hi,
lixing wrote,
>
> 在 2024/3/13 上午1:18, Waldemar Brodkorb 写道:
> > Hi Thorsten,
> > Thorsten Glaser wrote,
> >
> > > Waldemar Brodkorb dixit:
> > >
> > > > lixing wrote,
> > > > > We've tested static and dynamic build mksh with commit id
> > > > > cbb8a0196aab53165a35339fd91ade599d184f both works ok.
> > > That’s great to hear!
> > >
> > > > Can you check with qemu-system-loongarch64? I use gcc 13.2.0,
> > > > binutils 2.42 and Linux 6.6.18 with the defconfig provided.
> > > > Qemu is also 8.2.2. Can you provide your QEMU_EFI.fd for download?
>
> I just only use qemu user mode, but my colleague give me the address for
> download the EFI as follow
>
> https://github.com/lixianglai/LoongarchVirtFirmware.
>
> Also, can you post the qemu-system-loongarch64 startup command to me?
>
> > > Perhaps to distinguish between emulation/runtime and toolchain
> > > faults you could send each other the mksh binaries (if statically
> > > linked, otherwise probably them plus musl’s dynamic parts)?
>
> I update the static binary to my repo on github, you can download and try,
> we both tested with real hardware
>
> and qemu-loongarch64 user mode is ok. This mksh built with gcc 13.2.1,
> binutils 2.42, linux 6.6.15 in the loongarch environment.
>
> https://github.com/lixing-star/binarys
>
> > Statically linked mksh from me is here:
> > https://debug.openadk.org/mksh
> we've tested your binary on 3c5000 is ok, but hanged with
> qemu-loongarch64. Are you cross compiled the mksh for use?
Yes I do. I found the reason why my mksh didn't worked.
I compiled everything with -Os and then I get the deadlock.
When I compile everything with -O2 musl mksh is working.
So it seems some gcc problem code compiled with -Os.
best regards
Waldemar
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