On Fri, Dec 30, 2022 at 4:47 AM Nicolas Schier <nicolas@xxxxxxxxx> wrote:
>
> On Fri, Dec 30, 2022 at 03:46:50AM +0900 Masahiro Yamada wrote:
> > cmd_dt_S_dtb and cmd_dt_S_dtbo are almost the same; the only differnce
> > is the prefix of the bein/end symbols. (__dtb vs __dtbo)
>
> Two letters got lost: differ_e_nce, be_g_in.
Ah, thanks. I will fix it.
>
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > ---
> >
> > scripts/Makefile.lib | 45 +++++++++++++++-----------------------------
> > 1 file changed, 15 insertions(+), 30 deletions(-)
> >
> > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> > index 4a4a5f67c1a6..100a386fcd71 100644
> > --- a/scripts/Makefile.lib
> > +++ b/scripts/Makefile.lib
> > @@ -368,40 +368,25 @@ DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
> > DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@)
> >
> > # Generate an assembly file to wrap the output of the device tree compiler
> > -quiet_cmd_dt_S_dtb= DTBS $@
> > -cmd_dt_S_dtb= \
> > -{ \
> > - echo '\#include <asm-generic/vmlinux.lds.h>'; \
> > - echo '.section .dtb.init.rodata,"a"'; \
> > - echo '.balign STRUCT_ALIGNMENT'; \
> > - echo '.global __dtb_$(subst -,_,$(*F))_begin'; \
> > - echo '__dtb_$(subst -,_,$(*F))_begin:'; \
> > - echo '.incbin "$<" '; \
> > - echo '__dtb_$(subst -,_,$(*F))_end:'; \
> > - echo '.global __dtb_$(subst -,_,$(*F))_end'; \
> > - echo '.balign STRUCT_ALIGNMENT'; \
> > -} > $@
> > +quiet_cmd_wrap_S_dtb = WRAP $@
> > + cmd_wrap_S_dtb = { \
> > + symbase=__$(patsubst .%,%,$(suffix $<))_$(subst -,_,$(notdir $*)); \
>
> As long as I know, '$(notdir $*)' should be equivalent to '$(*F)'. Is it just
> personal preference or is there some other reason for choosing one or the
> other?
Your understanding is correct.
Automatic variables can have 'D' / 'F', as explained in the manual.
https://www.gnu.org/software/make/manual/html_node/Automatic-Variables.html
Yes, it is just my personal preference.
Perhaps, I did not need to change it, though.
> Nevertheless, with the typos fixed, it looks good to me:
> Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>
>
--
Best Regards
Masahiro Yamada
