1*24fa0402SLasse Collinconfig XZ_DEC 2*24fa0402SLasse Collin tristate "XZ decompression support" 3*24fa0402SLasse Collin select CRC32 4*24fa0402SLasse Collin help 5*24fa0402SLasse Collin LZMA2 compression algorithm and BCJ filters are supported using 6*24fa0402SLasse Collin the .xz file format as the container. For integrity checking, 7*24fa0402SLasse Collin CRC32 is supported. See Documentation/xz.txt for more information. 8*24fa0402SLasse Collin 9*24fa0402SLasse Collinconfig XZ_DEC_X86 10*24fa0402SLasse Collin bool "x86 BCJ filter decoder" if EMBEDDED 11*24fa0402SLasse Collin default y 12*24fa0402SLasse Collin depends on XZ_DEC 13*24fa0402SLasse Collin select XZ_DEC_BCJ 14*24fa0402SLasse Collin 15*24fa0402SLasse Collinconfig XZ_DEC_POWERPC 16*24fa0402SLasse Collin bool "PowerPC BCJ filter decoder" if EMBEDDED 17*24fa0402SLasse Collin default y 18*24fa0402SLasse Collin depends on XZ_DEC 19*24fa0402SLasse Collin select XZ_DEC_BCJ 20*24fa0402SLasse Collin 21*24fa0402SLasse Collinconfig XZ_DEC_IA64 22*24fa0402SLasse Collin bool "IA-64 BCJ filter decoder" if EMBEDDED 23*24fa0402SLasse Collin default y 24*24fa0402SLasse Collin depends on XZ_DEC 25*24fa0402SLasse Collin select XZ_DEC_BCJ 26*24fa0402SLasse Collin 27*24fa0402SLasse Collinconfig XZ_DEC_ARM 28*24fa0402SLasse Collin bool "ARM BCJ filter decoder" if EMBEDDED 29*24fa0402SLasse Collin default y 30*24fa0402SLasse Collin depends on XZ_DEC 31*24fa0402SLasse Collin select XZ_DEC_BCJ 32*24fa0402SLasse Collin 33*24fa0402SLasse Collinconfig XZ_DEC_ARMTHUMB 34*24fa0402SLasse Collin bool "ARM-Thumb BCJ filter decoder" if EMBEDDED 35*24fa0402SLasse Collin default y 36*24fa0402SLasse Collin depends on XZ_DEC 37*24fa0402SLasse Collin select XZ_DEC_BCJ 38*24fa0402SLasse Collin 39*24fa0402SLasse Collinconfig XZ_DEC_SPARC 40*24fa0402SLasse Collin bool "SPARC BCJ filter decoder" if EMBEDDED 41*24fa0402SLasse Collin default y 42*24fa0402SLasse Collin depends on XZ_DEC 43*24fa0402SLasse Collin select XZ_DEC_BCJ 44*24fa0402SLasse Collin 45*24fa0402SLasse Collinconfig XZ_DEC_BCJ 46*24fa0402SLasse Collin bool 47*24fa0402SLasse Collin default n 48*24fa0402SLasse Collin 49*24fa0402SLasse Collinconfig XZ_DEC_TEST 50*24fa0402SLasse Collin tristate "XZ decompressor tester" 51*24fa0402SLasse Collin default n 52*24fa0402SLasse Collin depends on XZ_DEC 53*24fa0402SLasse Collin help 54*24fa0402SLasse Collin This allows passing .xz files to the in-kernel XZ decoder via 55*24fa0402SLasse Collin a character special file. It calculates CRC32 of the decompressed 56*24fa0402SLasse Collin data and writes diagnostics to the system log. 57*24fa0402SLasse Collin 58*24fa0402SLasse Collin Unless you are developing the XZ decoder, you don't need this 59*24fa0402SLasse Collin and should say N. 60