Dear Graeme Russ, In message <4cdd0d1f.7010...@gmail.com> you wrote: > > > Passing gd as parameter makes no sense, thoug, as it's global data and > > we reserve a register to store it's address, so it can always be used > > with minimal overhead. > > Which is a really nice idea if you have a register to spare. Unfortunately, > x86 does not have this luxury, and the only way I can get gd (and as a > consequence upper memory bound for relocation) is to allocate it in > assembler and pass to C as a function argument
Agreed - x86 has always it's own set of limitations. 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: w...@denx.de In the pitiful, multipage, connection-boxed form to which the flow- chart has today been elaborated, it has proved to be useless as a design tool -- programmers draw flowcharts after, not before, writing the programs they describe. - Fred Brooks, Jr. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
