On Sunday 05 February 2012 22:43:33 Graeme Russ wrote: > On Mon, Feb 6, 2012 at 2:24 PM, Mike Frysinger wrote: > > it isn't just that. i don't think a single u-boot.lds for every arch is > > feasible. the kernel method allows all the common pieces to be in a > > common header, and then the arches to expand the specific pieces in the > > specific order. > > I can't say I'm a fan of the 'common bits' approach - It really does reduce > the readability of the linker script IMHO. It took me long enough to deal > with the fact that the lds file is pre-processed for TEXT_BASE ;)
yes, it does make the linker scripts a bit more opaque, but since each arch is doing something unique, it's fairly hard to merge them into a single file. the Linux approach represents what we can do in the real world -- get beyond board-specific linker scripts and to one linker script per arch. then the vmlinux.lds.h merges a lot of the stuff that can be shared between arches. i've unified all the board/SoC linker scripts for Blackfin and now there is just one -- arch/blackfin/cpu/u-boot.lds. -mike
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