Hi, Ard,
I prefer to give a chance to disable ZBOOT, so I don't want to select EFI_ZBOOT unconditionally in Kconfig, and then the Makefile can be like this:
diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
index c3f579bdf9e5..bc6fe65125f5 100644
--- a/arch/loongarch/Makefile
+++ b/arch/loongarch/Makefile
@@ -14,6 +14,10 @@ else
KBUILD_IMAGE := $(boot)/vmlinux.efi
endif
+ifdef CONFIG_EFI_ZBOOT
+KBUILD_IMAGE := $(boot)/vmlinuz.efi
+endif
+
archscripts: scripts_basic
$(Q)$(MAKE) $(build)=arch/loongarch/boot/tools relocs
Huacai
> -----原始邮件-----
> 发件人: "Ard Biesheuvel" <ardb@xxxxxxxxxx>
> 发送时间:2022-09-10 16:11:52 (星期六)
> 收件人: linux-efi@xxxxxxxxxxxxxxx
> 抄送: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, "Ard Biesheuvel" <ardb@xxxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, "Matthew Garrett" <mjg59@xxxxxxxxxxxxx>, "Peter Jones" <pjones@xxxxxxxxxx>, "Ilias Apalodimas" <ilias.apalodimas@xxxxxxxxxx>, "Heinrich Schuchardt" <heinrich.schuchardt@xxxxxxxxxxxxx>, "AKASHI Takahiro" <takahiro.akashi@xxxxxxxxxx>, "Palmer Dabbelt" <palmer@xxxxxxxxxxx>, "Atish Patra" <atishp@xxxxxxxxxxxxxx>, "Arnd Bergmann" <arnd@xxxxxxxx>, "Huacai Chen" <chenhuacai@xxxxxxxxxxx>, "Xi Ruoyao" <xry111@xxxxxxxxxxx>, "Lennart Poettering" <lennart@xxxxxxxxxxxxxx>, "Jeremy Linton" <jeremy.linton@xxxxxxx>, "Will Deacon" <will@xxxxxxxxxx>, "Catalin Marinas" <catalin.marinas@xxxxxxx>
> 主题: [PATCH v5 8/8] loongarch: efi: enable generic EFI compressed boot
>
> Wire up the generic EFI zboot support for LoongArch64
>
> Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
> ---
> arch/loongarch/Kconfig | 1 +
> arch/loongarch/Makefile | 4 ++--
> arch/loongarch/boot/.gitignore | 1 +
> arch/loongarch/boot/Makefile | 6 ++++++
> 4 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
> index fca106a8b8af..f960dbbfb62d 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -55,6 +55,7 @@ config LOONGARCH
> select BUILDTIME_TABLE_SORT
> select COMMON_CLK
> select EFI
> + select EFI_ZBOOT
> select GENERIC_CLOCKEVENTS
> select GENERIC_CMOS_UPDATE
> select GENERIC_CPU_AUTOPROBE
> diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
> index 4bc47f47cfd8..357ed2a771bf 100644
> --- a/arch/loongarch/Makefile
> +++ b/arch/loongarch/Makefile
> @@ -10,7 +10,7 @@ KBUILD_DEFCONFIG := loongson3_defconfig
> ifndef CONFIG_EFI_STUB
> KBUILD_IMAGE := $(boot)/vmlinux.elf
> else
> -KBUILD_IMAGE := $(boot)/vmlinux.efi
> +KBUILD_IMAGE := $(boot)/vmlinuz.efi
> endif
>
> #
> @@ -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/.gitignore b/arch/loongarch/boot/.gitignore
> index 49423ee96ef3..e5dc594dc4b6 100644
> --- a/arch/loongarch/boot/.gitignore
> +++ b/arch/loongarch/boot/.gitignore
> @@ -1,2 +1,3 @@
> # SPDX-License-Identifier: GPL-2.0-only
> vmlinux*
> +vmlinuz*
> 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
> --
> 2.35.1
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