Andreas Schwab <sch...@suse.de> 於 2018年9月25日 週二 下午3:20寫道: > > On Sep 25 2018, Zong Li <zong...@gmail.com> 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. > > You probably should use the macros from <asm/div64.h> instead.
Hi Andreas, This doesn't work for me, the divisor of my case is also long long type.