diff options
Diffstat (limited to 'kernel/lib/xz/Kconfig')
| -rw-r--r-- | kernel/lib/xz/Kconfig | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/lib/xz/Kconfig b/kernel/lib/xz/Kconfig new file mode 100644 index 000000000..12d2d777f --- /dev/null +++ b/kernel/lib/xz/Kconfig @@ -0,0 +1,57 @@ +config XZ_DEC + tristate "XZ decompression support" + select CRC32 + help + LZMA2 compression algorithm and BCJ filters are supported using + the .xz file format as the container. For integrity checking, + CRC32 is supported. See Documentation/xz.txt for more information. + +if XZ_DEC + +config XZ_DEC_X86 + bool "x86 BCJ filter decoder" if EXPERT + default y + select XZ_DEC_BCJ + +config XZ_DEC_POWERPC + bool "PowerPC BCJ filter decoder" if EXPERT + default y + select XZ_DEC_BCJ + +config XZ_DEC_IA64 + bool "IA-64 BCJ filter decoder" if EXPERT + default y + select XZ_DEC_BCJ + +config XZ_DEC_ARM + bool "ARM BCJ filter decoder" if EXPERT + default y + select XZ_DEC_BCJ + +config XZ_DEC_ARMTHUMB + bool "ARM-Thumb BCJ filter decoder" if EXPERT + default y + select XZ_DEC_BCJ + +config XZ_DEC_SPARC + bool "SPARC BCJ filter decoder" if EXPERT + default y + select XZ_DEC_BCJ + +endif + +config XZ_DEC_BCJ + bool + default n + +config XZ_DEC_TEST + tristate "XZ decompressor tester" + default n + depends on XZ_DEC + help + This allows passing .xz files to the in-kernel XZ decoder via + a character special file. It calculates CRC32 of the decompressed + data and writes diagnostics to the system log. + + Unless you are developing the XZ decoder, you don't need this + and should say N. |