Re: [PATCH 0/9] EFI: drop arch efi

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On 14:04 Wed 15 Feb     , Sascha Hauer wrote:
> Hi Jean-Christophe,
> 
> On Fri, Feb 10, 2017 at 10:56:55AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Today the EFI is build as an other ARCH when in fact it's just a boot mode
> > 
> > so move it back to arch/x86 for the spicific x86 part and the common
> > to common and driver
> > 
> > The following changes since commit 55d29525146dcd280987dfd565bfd34f08858fb3:
> > 
> >   ata: ide-sff: don't call free for ide_port in error path (2017-01-18 12:01:38 +0100)
> > 
> > are available in the git repository at:
> > 
> >   git://git.jcrosoft.org/barebox.git
> > 
> > for you to fetch changes up to 3e07e7f43bcfb5160cc6104f06535f147222570b:
> > 
> >   efi: bus: add firmware vendor and resision and tables info (2017-02-09 17:13:41 +0800)
> > 
> > ----------------------------------------------------------------
> > Jean-Christophe PLAGNIOL-VILLARD (9):
> >       efi: move block io driver to driver/block
> >       efi: move clocksource out of arch
> >       efi: move bus driver to driver/efi
> >       efi: move debug_ll.h to include/efi
> >       efi: move startup and payload to common/efi
> >       x86: move bios bootup code to arch/x86/bios
> >       efi: move x86 efi boot support to x86 arch
> >       ARCH: efi: Finally drop it as now we can build efi bootup from x86
> >       efi: bus: add firmware vendor and resision and tables info
> 
> Some problems found with this series:
> 
> - bisectability breaks in 3/9:
> 
> drivers/built-in.o: In function `efi_driver_register':
> /home/sha/dude/barebox/barebox-test/include/efi/efi-device.h:38: undefined reference to `efi_bus'
> fs/built-in.o: In function `efi_driver_register':
> /home/sha/dude/barebox/barebox-test/include/efi/efi-device.h:38: undefined reference to `efi_bus'
> arch/efi/efi/built-in.o: In function `efi_execute_image':
> /home/sha/dude/barebox/barebox-test/arch/efi/efi/efi-image.c:162: undefined reference to `efi_connect_all'
> /home/sha/dude/barebox/barebox-test/arch/efi/efi/efi-image.c:163: undefined reference to `efi_register_devices'
> Makefile:756: recipe for target 'barebox' failed
> make: *** [barebox] Error 1
> 
> - The end result won't compile:
> 
> arch/x86/Makefile:88: *** recipe commences before first target.  Stop.
> 
> With this one fixed we get:
> 
> In file included from common/efi/env-efi.bbenv.S:1:0:
> include/asm-generic/barebox.lds.h:12:30: fatal error: mach/barebox.lds.h: No such file or directory
>  #include <mach/barebox.lds.h>
> 
> I think you can squash most of the patches together, maybe leaving 6/9
> and 9/9 as separate patches. The rest is probably hard to keep separated
> while maintaining bisectability
I prefer to keep it seperated

As this allow to compare arch/efi and the new arch/x86 with efi boot before
droping it.

I fix the bisecting issue in the v2

and add few patch that help to debug the efi.

Best Regards,
J.

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