Christoph Hellwig <h...@infradead.org> 於 2018年9月25日 週二 下午11:25寫道: > > On Tue, Sep 25, 2018 at 10:19:55AM +0800, Zong Li wrote: > > The RV32 need the umoddi3 to do modulo when the operands are long long > > type, like other libraries implementation such as ucmpdi2, lshrdi3 and > > so on. I encounter the undefined reference 'umoddi3' when I use the in > > house dma driver, although it is in house driver, but I think that > > umoddi3 is a common function for RV32. The udivmoddi4 and umoddi3 are > > copies from libgcc in gcc. There are other functions use the > > udivmoddi4 in libgcc, so I separate the umoddi3 and udivmoddi4 for > > flexible extension in the future. > > I don't think libgcc is GPLv2 licensed, is it? Also please retain > the copyright notices from libgcc.
I will give next version patch. Thanks.