[PATCH v8 02/12] tools: build mkeficapsule with tools-only_defconfig

AKASHI Takahiro takahiro.akashi at linaro.org
Thu Jan 6 10:20:00 CET 2022


On Sat, Jan 01, 2022 at 10:42:46PM +0100, Heinrich Schuchardt wrote:
> On 12/20/21 06:02, AKASHI Takahiro wrote:
> > Add CONFIG_TOOLS_MKEFICAPSULE. Then we want to always build mkeficapsule
> > if tools-only_defconfig is used.
> > 
> > Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> > ---
> >   configs/tools-only_defconfig | 1 +
> >   tools/Kconfig                | 8 ++++++++
> >   tools/Makefile               | 3 +--
> >   3 files changed, 10 insertions(+), 2 deletions(-)
> > 
> > diff --git a/configs/tools-only_defconfig b/configs/tools-only_defconfig
> > index f482c9a1c1b0..5427797dd4c3 100644
> > --- a/configs/tools-only_defconfig
> > +++ b/configs/tools-only_defconfig
> > @@ -31,3 +31,4 @@ CONFIG_I2C_EDID=y
> >   # CONFIG_VIRTIO_MMIO is not set
> >   # CONFIG_VIRTIO_PCI is not set
> >   # CONFIG_VIRTIO_SANDBOX is not set
> > +CONFIG_TOOLS_MKEFICAPSULE=y
> > diff --git a/tools/Kconfig b/tools/Kconfig
> > index 91ce8ae3e516..117c921da3fe 100644
> > --- a/tools/Kconfig
> > +++ b/tools/Kconfig
> > @@ -90,4 +90,12 @@ config TOOLS_SHA512
> >   	help
> >   	  Enable SHA512 support in the tools builds
> > 
> > +config TOOLS_MKEFICAPSULE
> > +	bool "Build efimkcapsule command"
> > +	default y if EFI_CAPSULE_ON_DISK
> 
> We want to build mkeficapsule for tools-only_defconfig but your patch
> fails to do so. This has been discussed before.

Yes.
I'm sure that tools-only_defconfig will build mkeficapsule
even though we have "default y if EFI_CAPSULE_ON_DISK"
since we have:
> > +CONFIG_TOOLS_MKEFICAPSULE=y

> Why should we only build mkeficapsule for EFI_CAPSULE_ON_DISK=y and not
> for other instances of CONFIG_EFI_HAVE_CAPSULE_SUPPORT=y?

mkeficapsule deals with capsule files only which are supported
under EFI_CAPSULE_ON_DISK.
Please also note that, under the current implementation,
UpdateCapsule() API is not officially supported.

-Takahiro Akashi


> Best regards
> 
> Heinrich
> 
> > +	help
> > +	  This command allows users to create a UEFI capsule file and,
> > +	  optionally sign that file. If you want to enable UEFI capsule
> > +	  update feature on your target, you certainly need this.
> > +
> >   endmenu
> > diff --git a/tools/Makefile b/tools/Makefile
> > index 1763f44cac43..766c0674f4a0 100644
> > --- a/tools/Makefile
> > +++ b/tools/Makefile
> > @@ -238,8 +238,7 @@ hostprogs-$(CONFIG_MIPS) += mips-relocs
> >   hostprogs-$(CONFIG_ASN1_COMPILER)	+= asn1_compiler
> >   HOSTCFLAGS_asn1_compiler.o = -idirafter $(srctree)/include
> > 
> > -mkeficapsule-objs	:= mkeficapsule.o $(LIBFDT_OBJS)
> > -hostprogs-$(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) += mkeficapsule
> > +hostprogs-$(CONFIG_TOOLS_MKEFICAPSULE) += mkeficapsule
> > 
> >   # We build some files with extra pedantic flags to try to minimize things
> >   # that won't build on some weird host compiler -- though there are lots of
> 


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