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https://github.com/linuxboot/heads.git
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03d8f93c95
Rationale: cpio -t alone cannot extract initrd past early cpio (microcode) in most packed initrd. unpack_initramfs.sh already under master comes to the rescue, but its usage up to today was limited to pass firmware blobs to final OS under boards/librem_mini_v2 Debian OSes (and probably others) need to have cryptroot/crypttab overriden directly, otherwise generic generation of crypttab is not enough. Extracting crypttab and overriding directly what is desired by final OS and exposed into /boot/initrd is the way to go otherwise hacking on top of hacks. This brings default packed modules under Heads to 5 modules, which needs to be deactivate in board configs if undesired: user@heads-tests-deb12:~/heads$ grep -Rn "?= y" modules/ | grep -v MUSL modules/zlib:1:CONFIG_ZLIB ?= y modules/zstd:3:CONFIG_ZSTD ?= y modules/exfatprogs:2:CONFIG_EXFATPROGS ?= y modules/busybox:2:CONFIG_BUSYBOX ?= y modules/e2fsprogs:2:CONFIG_E2FSPROGS ?= y
24 lines
754 B
Makefile
24 lines
754 B
Makefile
# ZSTD is always included, unless explicitly turned off
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# Needed by initrd/bin/unpack_initramfs.sh under TPM Disk Unlock Key setup
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CONFIG_ZSTD ?= y
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modules-$(CONFIG_ZSTD) += zstd
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zstd_version := 1.5.5
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zstd_dir := zstd-$(zstd_version)
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zstd_tar := zstd-$(zstd_version).tar.gz
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zstd_url := https://github.com/facebook/zstd/releases/download/v$(zstd_version)/$(zstd_tar)
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zstd_hash := 9c4396cc829cfae319a6e2615202e82aad41372073482fce286fac78646d3ee4
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zstd_configure := true
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# Only the decompressor is built and installed, to be able to read zstd-compressed
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# initramfs archives.
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zstd_target := \
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$(MAKE_JOBS) $(CROSS_TOOLS) -C programs CFLAGS="-g0 -Os" \
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HAVE_ZLIB=0 \
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HAVE_LZMA=0 \
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HAVE_LZ4=0 \
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zstd-decompress
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zstd_output := programs/zstd-decompress
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