I have figured it out,haha!! 2010/7/30 Detlev Zundel <d...@denx.de>
> Hi yaojin liu <lanma...@gmail.com> writes: > > > I use arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.gz to > > compile uboot1.3.4, and found that if I set OPTFLAGS to -O1,or O2, uboot > > will crash, usually in printf(). > > <faq> > > What board do you use? Why do you use U-Boot 1.3.4 and not current code? > > </faq> > > > when i set to O3, it runs to prompt, but after several seconds(or > minutes), > > the code is dead,and the console has no response. > > Os also has the problem,usually cannot run to main_loop(). > > How should i resolve this problem? > > Actually I presume that somebody tested U-Boot on the board you use. > Probably there is a running version on it - so the most obvious problem > seems to be your toolchain. So my advise is: > > Find a working starting point, i.e. a known to work U-Boot version for > your board (latest?) together with a known-to-work toolchain (eldk-4.2 > for arm?). > > Then use your toolchain, compare results, find problem and post answer > :) > > Cheers > Detlev > > -- > There are three kinds of people in the world; those who can count and > those who can't. > -- > DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany > Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: d...@denx.de >
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