Jean-Christophe PLAGNIOL-VILLARD wrote: >> 2. C++ style comment. Found by Wolfgang ;) >> >> 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? Many thanks Dirk > and now we are independant of the libgcc > > please test the testing branch of the u-boot-arm tree > > Best Regards, > J. > _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
