Dear Detlev Zundel, In message <[email protected]> you wrote: > > So currently as U-Boot is its own loader, we accept the fact that .bss > will be cleared on relocation. Actually I don't even know if it is > correct at all to use .bss variables before then (if you look around, > you'll find the "global_data" structure (include/asm/global-data.h) that > we use in this early phase by keeping a reference to it in a register)
Accessing any data in BSS before relocation causes undefined behaviour, because the BSS segment does not exist yet. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] They weren't that important. They were merely at the top. The people who really run organizations are usually found several levels down, where it's still possible to get things done. - Terry Pratchett, _Small Gods_ _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
