On 25 January 2018 at 11:22, Alexey Brodkin <alexey.brod...@synopsys.com> wrote: > From: Alexey Brodkin <alexey.brod...@synopsys.com> > > Disabling relocation might be useful on ARC for 2 reasons: > a) For advanced debugging with Synopsys proprietary MetaWare debugger > which is capable of accessing much more specific hardware resources > compared to gdb. For example it may show contents of L1 and L2 caches, > internal states of some hardware blocks etc. > > But on the downside MetaWare debugger still cannot work with PIE. > Even though that limitation could be work-arounded with change of ELF's > header and stripping down all debug info but with it we won't have > debug info for source-level debugging which is quite inconvenient. > > b) Some platforms which might benefit from usage of U-Boot basically > don't have enough RAM to accommodate relocation of U-Boot so we > keep code in flash and use as much of RAM as possible for more > interesting things. > > Signed-off-by: Alexey Brodkin <abrod...@synopsys.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Bin Meng <bmeng...@gmail.com> > Cc: Heiko Schocher <h...@denx.de> > Cc: York Sun <york....@nxp.com> > Cc: Stefan Roese <s...@denx.de> > --- > arch/arc/lib/relocate.c | 6 ++++++ > arch/arc/lib/start.S | 8 +++++++- > common/board_f.c | 3 ++- > 3 files changed, 15 insertions(+), 2 deletions(-)
Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
