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generate 512-byte padded xz files

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Trammell hudson 2017-09-22 15:09:57 -04:00
parent 91ef9aeefa
commit 03d21da268
Failed to extract signature
1 changed files with 6 additions and 2 deletions
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8
Makefile
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@ -358,17 +358,21 @@ initrd.intermediate: initrd.cpio
# #
# Compress the initrd into a xz file that can be included by coreboot. # Compress the initrd into a xz file that can be included by coreboot.
# The extra options are necessary to let the Linux kernel decompress it. # The extra options are necessary to let the Linux kernel decompress it
# and the extra padding is to ensure that it can be concatenated to
# other cpio files.
# #
coreboot.intermediate: $(build)/$(coreboot_dir)/initrd.cpio.xz coreboot.intermediate: $(build)/$(coreboot_dir)/initrd.cpio.xz
$(build)/$(coreboot_dir)/initrd.cpio.xz: initrd.cpio $(build)/$(coreboot_dir)/initrd.cpio.xz: initrd.cpio
%.xz: %
$(call do,COMPRESS,$<,\ $(call do,COMPRESS,$<,\
xz \ xz \
--check=crc32 \ --check=crc32 \
--lzma2=dict=1MiB \ --lzma2=dict=1MiB \
-9 \ -9 \
< "$<" \ < "$<" \
> "$@" \ | dd bs=512 conv=sync > "$@" \
) )
@sha256sum "$@" @sha256sum "$@"