f0bd5302dd
Import xz-embedded from git. This is from commit hash '6a8a2364434763a033781f6b2a605ace9a021013'. This makes it possible to use CRC64 but for now it's intentionally not added to build.
58 lines
1.2 KiB
Plaintext
58 lines
1.2 KiB
Plaintext
config XZ_DEC
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tristate "XZ decompression support"
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select CRC32
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help
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LZMA2 compression algorithm and BCJ filters are supported using
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the .xz file format as the container. For integrity checking,
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CRC32 is supported. See Documentation/xz.txt for more information.
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if XZ_DEC
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config XZ_DEC_X86
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bool "x86 BCJ filter decoder"
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default y if X86
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select XZ_DEC_BCJ
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config XZ_DEC_POWERPC
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bool "PowerPC BCJ filter decoder"
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default y if PPC
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select XZ_DEC_BCJ
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config XZ_DEC_IA64
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bool "IA-64 BCJ filter decoder"
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default y if IA64
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select XZ_DEC_BCJ
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config XZ_DEC_ARM
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bool "ARM BCJ filter decoder"
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default y if ARM
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select XZ_DEC_BCJ
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config XZ_DEC_ARMTHUMB
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bool "ARM-Thumb BCJ filter decoder"
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default y if (ARM && ARM_THUMB)
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select XZ_DEC_BCJ
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config XZ_DEC_SPARC
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bool "SPARC BCJ filter decoder"
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default y if SPARC
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select XZ_DEC_BCJ
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endif
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config XZ_DEC_BCJ
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bool
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default n
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config XZ_DEC_TEST
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tristate "XZ decompressor tester"
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default n
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depends on XZ_DEC
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help
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This allows passing .xz files to the in-kernel XZ decoder via
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a character special file. It calculates CRC32 of the decompressed
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data and writes diagnostics to the system log.
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Unless you are developing the XZ decoder, you don't need this
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and should say N.
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