[PATCH v4 9/9] loongarch: efi: enable generic EFI compressed boot

[陈华才]

Hi, all,


> -----原始邮件-----
> 发件人: "Xi Ruoyao" <xry111 at xry111.site>
> 发送时间:2022-08-28 17:52:20 (星期日)
> 收件人: "Ard Biesheuvel" <ardb at kernel.org>, linux-efi at vger.kernel.org
> 抄送: linux-arm-kernel at lists.infradead.org, "James E.J. Bottomley" <James.Bottomley at HansenPartnership.com>, "Matthew Garrett" <mjg59 at srcf.ucam.org>, "Peter Jones" <pjones at redhat.com>, "Ilias Apalodimas" <ilias.apalodimas at linaro.org>, "Heinrich Schuchardt" <heinrich.schuchardt at canonical.com>, "AKASHI Takahiro" <takahiro.akashi at linaro.org>, "Palmer Dabbelt" <palmer at dabbelt.com>, "Atish
>  Patra" <atishp at atishpatra.org>, "Arnd Bergmann" <arnd at arndb.de>, "Huacai Chen" <chenhuacai at loongson.cn>, "Lennart Poettering" <lennart at poettering.net>, "Jeremy Linton" <jeremy.linton at arm.com>
> 主题: Re: [PATCH v4 9/9] loongarch: efi: enable generic EFI compressed boot
> 
> Hi Ard,
> 
> Should we also add
> 
> --
> 
> diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
> index 063a578bbdaa..6ee3d7826893 100644
> --- a/arch/loongarch/Makefile
> +++ b/arch/loongarch/Makefile
> @@ -9,10 +9,16 @@ KBUILD_DEFCONFIG := loongson3_defconfig
>  
>  ifndef CONFIG_EFI_STUB
>  KBUILD_IMAGE	:= $(boot)/vmlinux.elf
> -else
> +else # CONFIG_EFI_STUB
> +
> +ifndef CONFIG_EFI_ZBOOT
>  KBUILD_IMAGE	:= $(boot)/vmlinux.efi
> +else
> +KBUILD_IMAGE	:= $(boot)/vmlinuz.efi
>  endif
>  
> +endif # CONFIG_EFI_STUB
> +
>  #
>  # Select the object file format to substitute into the linker script.
>  #
> 
> --
> 
> or do we deliberately expect builders to run "make vmlinuz.efi"
> explicitly?
I prefer to add to KBUILD_IMAGE, we can even add to make install.

Huacai
> 
> On Sat, 2022-08-27 at 10:38 +0200, Ard Biesheuvel wrote:
> > Wire up the generic EFI zboot support for LoongArch64
> > 
> > Signed-off-by: Ard Biesheuvel <ardb at kernel.org>
> > ---
> >  arch/loongarch/Makefile      | 2 +-
> >  arch/loongarch/boot/Makefile | 6 ++++++
> >  2 files changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
> > index 4bc47f47cfd8..7051a95f7f31 100644
> > --- a/arch/loongarch/Makefile
> > +++ b/arch/loongarch/Makefile
> > @@ -93,7 +93,7 @@ vdso_install:
> >  
> >  all:   $(notdir $(KBUILD_IMAGE))
> >  
> > -vmlinux.elf vmlinux.efi: vmlinux
> > +vmlinux.elf vmlinux.efi vmlinuz.efi: vmlinux
> >         $(Q)$(MAKE) $(build)=$(boot) $(bootvars-y) $(boot)/$@
> >  
> >  install:
> > diff --git a/arch/loongarch/boot/Makefile
> > b/arch/loongarch/boot/Makefile
> > index fecf34f50e56..4e1c374c5782 100644
> > --- a/arch/loongarch/boot/Makefile
> > +++ b/arch/loongarch/boot/Makefile
> > @@ -18,3 +18,9 @@ $(obj)/vmlinux.elf: vmlinux FORCE
> >  targets += vmlinux.efi
> >  $(obj)/vmlinux.efi: vmlinux FORCE
> >         $(call if_changed,objcopy)
> > +
> > +EFI_ZBOOT_PAYLOAD      := vmlinux.efi
> > +EFI_ZBOOT_BFD_TARGET   := elf64-loongarch
> > +EFI_ZBOOT_MACH_TYPE    := LOONGARCH64
> > +
> > +include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
> 
> -- 
> Xi Ruoyao <xry111 at xry111.site>
> School of Aerospace Science and Technology, Xidian University


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