[deliverable/linux.git] / lib / xz / Kconfig

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"
	default y if X86
	select XZ_DEC_BCJ

config XZ_DEC_POWERPC
	bool "PowerPC BCJ filter decoder"
	default y if PPC
	select XZ_DEC_BCJ

config XZ_DEC_IA64
	bool "IA-64 BCJ filter decoder"
	default y if IA64
	select XZ_DEC_BCJ

config XZ_DEC_ARM
	bool "ARM BCJ filter decoder"
	default y if ARM
	select XZ_DEC_BCJ

config XZ_DEC_ARMTHUMB
	bool "ARM-Thumb BCJ filter decoder"
	default y if (ARM && ARM_THUMB)
	select XZ_DEC_BCJ

config XZ_DEC_SPARC
	bool "SPARC BCJ filter decoder"
	default y if SPARC
	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.
Commit	Line	Data
	1	config XZ_DEC
	2	tristate "XZ decompression support"
	3	select CRC32
	4	help
	5	LZMA2 compression algorithm and BCJ filters are supported using
	6	the .xz file format as the container. For integrity checking,
	7	CRC32 is supported. See Documentation/xz.txt for more information.
	8
	9	if XZ_DEC
	10
	11	config XZ_DEC_X86
	12	bool "x86 BCJ filter decoder"
	13	default y if X86
	14	select XZ_DEC_BCJ
	15
	16	config XZ_DEC_POWERPC
	17	bool "PowerPC BCJ filter decoder"
	18	default y if PPC
	19	select XZ_DEC_BCJ
	20
	21	config XZ_DEC_IA64
	22	bool "IA-64 BCJ filter decoder"
	23	default y if IA64
	24	select XZ_DEC_BCJ
	25
	26	config XZ_DEC_ARM
	27	bool "ARM BCJ filter decoder"
	28	default y if ARM
	29	select XZ_DEC_BCJ
	30
	31	config XZ_DEC_ARMTHUMB
	32	bool "ARM-Thumb BCJ filter decoder"
	33	default y if (ARM && ARM_THUMB)
	34	select XZ_DEC_BCJ
	35
	36	config XZ_DEC_SPARC
	37	bool "SPARC BCJ filter decoder"
	38	default y if SPARC
	39	select XZ_DEC_BCJ
	40
	41	endif
	42
	43	config XZ_DEC_BCJ
	44	bool
	45	default n
	46
	47	config XZ_DEC_TEST
	48	tristate "XZ decompressor tester"
	49	default n
	50	depends on XZ_DEC
	51	help
	52	This allows passing .xz files to the in-kernel XZ decoder via
	53	a character special file. It calculates CRC32 of the decompressed
	54	data and writes diagnostics to the system log.
	55
	56	Unless you are developing the XZ decoder, you don't need this
	57	and should say N.