1229159Sadrianconfig XZ_DEC 2229159Sadrian tristate "XZ decompression support" 3229159Sadrian select CRC32 4229159Sadrian help 5229159Sadrian LZMA2 compression algorithm and BCJ filters are supported using 6229159Sadrian the .xz file format as the container. For integrity checking, 7229159Sadrian CRC32 is supported. See Documentation/xz.txt for more information. 8229159Sadrian 9262764Sdelphijif XZ_DEC 10262764Sdelphij 11229159Sadrianconfig XZ_DEC_X86 12262764Sdelphij bool "x86 BCJ filter decoder" 13262764Sdelphij default y if X86 14229159Sadrian select XZ_DEC_BCJ 15229159Sadrian 16229159Sadrianconfig XZ_DEC_POWERPC 17262764Sdelphij bool "PowerPC BCJ filter decoder" 18262764Sdelphij default y if PPC 19229159Sadrian select XZ_DEC_BCJ 20229159Sadrian 21229159Sadrianconfig XZ_DEC_IA64 22262764Sdelphij bool "IA-64 BCJ filter decoder" 23262764Sdelphij default y if IA64 24229159Sadrian select XZ_DEC_BCJ 25229159Sadrian 26229159Sadrianconfig XZ_DEC_ARM 27262764Sdelphij bool "ARM BCJ filter decoder" 28262764Sdelphij default y if ARM 29229159Sadrian select XZ_DEC_BCJ 30229159Sadrian 31229159Sadrianconfig XZ_DEC_ARMTHUMB 32262764Sdelphij bool "ARM-Thumb BCJ filter decoder" 33262764Sdelphij default y if (ARM && ARM_THUMB) 34229159Sadrian select XZ_DEC_BCJ 35229159Sadrian 36229159Sadrianconfig XZ_DEC_SPARC 37262764Sdelphij bool "SPARC BCJ filter decoder" 38262764Sdelphij default y if SPARC 39229159Sadrian select XZ_DEC_BCJ 40229159Sadrian 41262764Sdelphijendif 42262764Sdelphij 43229159Sadrianconfig XZ_DEC_BCJ 44229159Sadrian bool 45229159Sadrian default n 46229159Sadrian 47229159Sadrianconfig XZ_DEC_TEST 48229159Sadrian tristate "XZ decompressor tester" 49229159Sadrian default n 50229159Sadrian depends on XZ_DEC 51229159Sadrian help 52229159Sadrian This allows passing .xz files to the in-kernel XZ decoder via 53229159Sadrian a character special file. It calculates CRC32 of the decompressed 54229159Sadrian data and writes diagnostics to the system log. 55229159Sadrian 56229159Sadrian Unless you are developing the XZ decoder, you don't need this 57229159Sadrian and should say N. 58