linux-kernel - Re: [PATCH 2/7] microblaze: adjust the help to the real behavior

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Date:   Fri, 7 Dec 2018 18:50:29 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Michal Simek <monstr@...str.eu>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH 2/7] microblaze: adjust the help to the real behavior

On Thu, Dec 6, 2018 at 9:54 PM Michal Simek <monstr@...str.eu> wrote:
>
> On 06. 12. 18 6:27, Masahiro Yamada wrote:
> > Hi Michal,
> >
> > On Thu, Dec 6, 2018 at 12:41 AM Michal Simek <monstr@...str.eu> wrote:
> >>
> >> On 03. 12. 18 8:50, Masahiro Yamada wrote:
> >>> "make ARCH=microblaze help" mentions simpleImage.<dt>.unstrip,
> >>> but it never works because Makefile assumes "system.unstrip" is
> >>> the name of DT.
> >>>
> >>> $ make ARCH=microblaze CROSS_COMPILE=microblaze-linux- simpleImage.system.unstrip
> >>>   [ snip ]
> >>> make[1]: *** No rule to make target 'arch/microblaze/boot/dts/system.unstrip.dtb', needed by 'arch/microblaze/boot/dts/system.dtb'.  Stop.
> >>> make: *** [Makefile;1060: arch/microblaze/boot/dts] Error 2
> >>> make: *** Waiting for unfinished jobs....
> >>>
> >>> Rip off the never-working target.
> >>>
> >>> In my understanding, simpleImage.<dt> works like a phony target that
> >>> generates multiple images. Reflect the behavior to the help message.
> >>>
> >>> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> >>> ---
> >>>
> >>>  arch/microblaze/Makefile | 4 +---
> >>>  1 file changed, 1 insertion(+), 3 deletions(-)
> >>>
> >>> diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
> >>> index 0823d29..97e1384 100644
> >>> --- a/arch/microblaze/Makefile
> >>> +++ b/arch/microblaze/Makefile
> >>> @@ -89,9 +89,7 @@ define archhelp
> >>>    echo '* linux.bin    - Create raw binary'
> >>>    echo '  linux.bin.gz - Create compressed raw binary'
> >>>    echo '  linux.bin.ub - Create U-Boot wrapped raw binary'
> >>> -  echo '  simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
> >>> -  echo '                   - stripped elf with fdt blob'
> >>> -  echo '  simpleImage.<dt>.unstrip - full ELF image with fdt blob'
> >>> +  echo '  simpleImage.<dt> - Create images with $(arch)/boot/dts/<dt>.dts linked in'
> >>>    echo '  *_defconfig      - Select default config from arch/microblaze/configs'
> >>>    echo ''
> >>>    echo '  Targets with <dt> embed a device tree blob inside the image'
> >>>
> >>
> >> I understand what you are trying to say but I would still like to keep
> >> information about unstrip file.
> >> It is correct that it is not build target. It is just generated file and
> >> message above was used for description what it is.
> >> Definitely agree that this should be the part of targets but it should
> >> be in description.
> >> The same is for missing description for simpleImage.<dt>.strip and
> >> simpleImage.<dt>.ub files.
> >>
> >> Thanks,
> >> Michal
> >>
> >
> > If we want to be precise to the current behavior,
> > we could describe more.
> > (Is it too much?)
> >
> >
> > Architecture specific targets (microblaze):
> > * linux.bin    - Create raw binary
> >   linux.bin.gz - Create compressed raw binary
> >   linux.bin.ub - Create U-Boot wrapped raw binary
> >   simpleImage.<dt> - Create the following images with
> > arch/macroblaze/boot/dts/<dt>.dts linked in
>
> type - microblaze
> maybe <dtb> here.
>
> >                      simpleImage.<dt>        : raw image
> >                      simpleImage.<dt>.ub     : raw image with U-Boot header
> >                      simpleImage.<dt>.unstrip: ELF (identical to vmlinux)
> >                      simpleImage.<dt>.strip  : stripped ELF
> >   *_defconfig      - Select default config from arch/microblaze/configs
> >
> >
> >
> >
> > If you want to modify as you like,
> > I will not touch it though.
>
> what you have above is fine for me.


OK, I will send v2
with the typo fixed.

Thanks.




-- 
Best Regards
Masahiro Yamada