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arm64: boot: add Image.xz support

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The Image.* targets existed for other compressors already.  Bootloader
support is needed for decompression.

This is for CONFIG_EFI_ZBOOT=n. With CONFIG_EFI_ZBOOT=y, XZ was already
available.

Link: https://lkml.kernel.org/r/20240721133633.47721-16-lasse.collin@tukaani.org
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Jules Maselbas <jmaselbas@zdiv.net>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jubin Zhong <zhongjubin@huawei.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rui Li <me@lirui.org>
Cc: Sam James <sam@gentoo.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Lasse Collin 2024-07-21 16:36:30 +03:00 committed by Andrew Morton
parent 7472ff8ada
commit 181e71f662
1 changed files with 4 additions and 1 deletions
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5
arch/arm64/boot/Makefile
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@ -17,7 +17,7 @@
OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo \
Image.zst image.fit
Image.zst Image.xz image.fit
$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
@ -40,6 +40,9 @@ $(obj)/Image.lzo: $(obj)/Image FORCE
$(obj)/Image.zst: $(obj)/Image FORCE
$(call if_changed,zstd)
$(obj)/Image.xz: $(obj)/Image FORCE
$(call if_changed,xzkern)
$(obj)/image.fit: $(obj)/Image $(obj)/dts/dtbs-list FORCE
$(call if_changed,fit)