> TPL builds today don't need to call into firmware or set up the MMU > (if this changes, it should be controlled through a config option > whether to include this or not), but include the needed support code > for this anyway. By moving these unused low-level functions into > seperate function-sections, the linker can garbage-collect the unused > sections. > > Note that (if DM support is enabled), there will be a call to the > cache-flushing code from alloc_priv(...) in drivers/core/device.c. > This then add 52 bytes of binary size (an increase from 20589 to 20641 > bytes) compared to completely removing this code. > > Even for a feature-rich TPL (including DM support as for the RK3368), > this equates to a size difference of significantly more than 10% in > TPL binary size. > > Signed-off-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com> > Reviewed-by: Simon Glass <s...@chromium.org> > --- > > Changes in v4: > - removes spurious change to Makefile > > Changes in v3: > - change to use function-sections (instead of disabling at the > Makefile-level for TPL builds) per Tom's suggestion > > Changes in v2: None > > arch/arm/cpu/armv8/cache.S | 22 ++++++++++++++++++++++ > arch/arm/cpu/armv8/tlb.S | 4 +++- > arch/arm/cpu/armv8/transition.S | 6 ++++++ > 3 files changed, 31 insertions(+), 1 deletion(-) >
Applied to u-boot-rockchip, thanks! _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot