linux-kernel - Re: Removing architectures without upstream gcc support

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Date:   Fri, 9 Mar 2018 22:18:37 +0800 (GMT+08:00)
From:   "Guan Xuetao" <gxt@....edu.cn>
To:     "Arnd Bergmann" <arnd@...db.de>
Cc:     linux-arch <linux-arch@...r.kernel.org>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        "Richard Kuo" <rkuo@...eaurora.org>,
        linux-hexagon <linux-hexagon@...r.kernel.org>,
        "Chen Liqin" <liqin.linux@...il.com>,
        "Lennox Wu" <lennox.wu@...il.com>,
        "Guan Xuetao" <gxt@...c.pku.edu.cn>,
        "Guenter Roeck" <linux@...ck-us.net>,
        "Al Viro" <viro@...iv.linux.org.uk>,
        "James Hogan" <jhogan@...nel.org>,
        linux-metag <linux-metag@...r.kernel.org>,
        "Jonas Bonn" <jonas@...thpole.se>,
        "Stefan Kristiansson" <stefan.kristiansson@...nalahti.fi>,
        "Stafford Horne" <shorne@...il.com>,
        "David Howells" <dhowells@...hat.com>,
        openrisc@...ts.librecores.org
Subject: Re: Removing architectures without upstream gcc support

Since mprc.pku.edu.cn is blocked, I use this email account to send the email again.

> * unicore32 was a research project at Peking University with a SoC
>   based on the Intel PXA design. No gcc source code has ever been
>   published, the only toolchain available is a set of binaries that
> include
>   a gcc-4.4 compiler. The project page at
>   http://mprc.pku.edu.cn/~guanxuetao/linux/ has a TODO list that has
>   not been modified since 2011. The maintainer still Acks patches
>   and has last sent a pull request in 2014 and last sent a patch of
>   his own in 2012 when the project appears to have stalled.
>   I would suggest removing this one.
>
Hi, Arnd.
I am really sorry to reply so late, since I seldom use this email account
in recent years. I will add my new email account to related bits.

Let me clarify the status of UniCore. It's a real cpu-core product,
integrated into PKUnity SoC, and sold in a large amount of embedded boxes,
such as cloud terminals and set top boxes. Surely, we still use the port
internally and keep doing developments in other projects. So, I really
appreciate having unicore32 port in the tree.

As to gnu toolchain of UniCore, I have already discussed it in my group,
and I'll do my best to propel it forward.

Thanks,
Guan Xuetao