On Tuesday 06 October 2009 17:22:10 Wolfgang Denk wrote: > > My concern was that we use __bss_start and _end to calculate the size of > > the bss to zero out. If the bss wraps, I'd be concerned about what gets > > cleared as _end would be truncated to a low memory address while > > __bss_start would be a high memory address. Or other similar problems - > > I didn't investigate what would really happen, I was just worried what > > could happen:) > > So far U-Boot is actually a 32 bit boot loader; address calculations > like this "just wrap around". So far this has not caused problems yet; > what has caused problems is that we can have overlapping sections on > 4xx. Also it's probably overkill that each board has it's own linker > script. > > I would like to see this fixed in this process. Maybe Stefan finds > some spare cycles to address this.
Yes, the consolidation of the 4xx linker scripts is definitely something that should be worked on. Again, I'll put it on my to-do list. But I won't complain if somebody else sends some patches here. ;) Cheers, 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
