1 # SPDX-License-Identifier: GPL-2.0-only
2 config XZ_DEC
3 tristate "XZ decompression support"
4 select CRC32
5 help
6 LZMA2 compression algorithm and BCJ
7 the .xz file format as the container
8 CRC32 is supported. See Documentatio
9 information.
10
11 if XZ_DEC
12
13 config XZ_DEC_X86
14 bool "x86 BCJ filter decoder" if EXPER
15 default y
16 select XZ_DEC_BCJ
17
18 config XZ_DEC_POWERPC
19 bool "PowerPC BCJ filter decoder" if E
20 default y
21 select XZ_DEC_BCJ
22
23 config XZ_DEC_ARM
24 bool "ARM BCJ filter decoder" if EXPER
25 default y
26 select XZ_DEC_BCJ
27
28 config XZ_DEC_ARMTHUMB
29 bool "ARM-Thumb BCJ filter decoder" if
30 default y
31 select XZ_DEC_BCJ
32
33 config XZ_DEC_ARM64
34 bool "ARM64 BCJ filter decoder" if EXP
35 default y
36 select XZ_DEC_BCJ
37
38 config XZ_DEC_SPARC
39 bool "SPARC BCJ filter decoder" if EXP
40 default y
41 select XZ_DEC_BCJ
42
43 config XZ_DEC_RISCV
44 bool "RISC-V BCJ filter decoder" if EX
45 default y
46 select XZ_DEC_BCJ
47
48 config XZ_DEC_MICROLZMA
49 bool "MicroLZMA decoder"
50 default n
51 help
52 MicroLZMA is a header format variant
53 of a raw LZMA stream (without the en
54 been replaced with a bitwise-negatio
55 properties byte. MicroLZMA was creat
56 but can be used by other things too
57 amount of space for headers is impor
58
59 Unless you know that you need this,
60
61 endif
62
63 config XZ_DEC_BCJ
64 bool
65 default n
66
67 config XZ_DEC_TEST
68 tristate "XZ decompressor tester"
69 default n
70 depends on XZ_DEC
71 help
72 This allows passing .xz files to the
73 a character special file. It calcula
74 data and writes diagnostics to the s
75
76 Unless you are developing the XZ dec
77 and should say N.
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