Graeme Russ <graeme.r...@gmail.com> wrote on 2010/03/27 12:54:03: > > Joakim Tjernlund wrote: > >> In the near future, I intend to make it 100% relocatable (i.e. does not > >> need to be loaded at TEXT_BASE) and maybe even add the ability to specify > >> the relocation address. > > > > I did a few months ago for MPC83xx and sent it to the list. There was some > > discussion but in the end it wasn't applied because it was too invasive. > > PPC is especially bad as it needs to relocate string literals too. > > > > Search for LINK_OFF if you want to see what I did > > > > Yes, I saw a bit of that thread and you patches an I would agree that they > were too invasive. x86 is not that great for relocation either (all calls > are absolute as well as references to .text). Have a look at board_init_f() > in lib_i386\board.c - it has a very basic parsing of the ELF relocation > information. > > I tried to champion this as a cross-platform method of achieving full > relocation and the killing off of all those ugly reloc_off hacks all over > the place. Unfortunately, I think the code size and time penalty may have > been too great in the end. > > To implement full relocation, I simply need to add an additional parameter > to this function which provides the 'link versus load' offset which will > get applied to the 'load versus run' offset calculation
Are we talking about the same thing? when you say "does not need to be loaded at TEXT_BASE" you need something like my LINK_OFF patch, otherwise I don't see how you can boot out of flash otherwise. Jocke _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
