Hi Dirk, On Saturday 20 June 2009 19:45:40 Dirk Behme wrote: > Jean-Christophe PLAGNIOL-VILLARD wrote: > >> 2. C++ style comment. Found by Wolfgang ;)
This is because it's a copy from the Linux code. Not sure if we should change the coding style here. I really prefer to be in sync with the Linux version. This makes future updates easier. > >> 3. The major one: By the new 64bit variables, depending on tool chain, > >> there are now calls to libgcc introduced. Depending on tool chain, > >> this might work, or fail. As it does with one of my tool chains, which > >> worked totally fine until here. It was my understanding that U-Boot > >> shall not rely on libgcc, i.e. proper tool chain libraries. > >> > >> Having CONFIG_SYS_64BIT_VSPRINTF not defined, the linker needs > >> "_lshrdi3", which comes from nand_base.o and nand_bbt.o. E.g. from > >> "len = mtd->size >> (this->bbt_erase_shift + 2);" from nand_bbt.c. > >> > >> Having CONFIG_SYS_64BIT_VSPRINTF enabled, the linker requests > >> _lshrdi3, _udivdi3, _umoddi3 and _clz from libgcc. > >> > >> Looking into U-Boot's lib_arm/ directory, we have already some low > >> level math functions there to avoid libgcc. E.g. nand_bbt.c has > >> references to _ashrdi3, too, but this is resolved by lib_arm's version > >> what is fine. > >> > >> I'd like that NAND code is modified that only math is used which > >> U-Boot provides and no libgcc is needed. > > > > this is a already known problem by Stefan and I and solved > > > > two patchs was send to the ML > > Thanks for the hint! Do you kindly have the subjects or better links > to mailing list archive? http://git.denx.de/?p=u-boot/u-boot-arm.git;a=commit;h=cf96e690cb9840b4a5dc7e750be863228550b5ce and http://git.denx.de/?p=u-boot/u-boot-arm.git;a=commit;h=c5ae538c9bd359c137d306e431b2589ba91fbc08 both available in the "testing" branch of u-boot-arm. >From you comments on the list I see that you found those patches here too. :) Do these patches fix the building problem for you? Thanks. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: off...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot