diff options
Diffstat (limited to 'linux/lib/xz/xz_boot.c')
| -rw-r--r-- | linux/lib/xz/xz_boot.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/linux/lib/xz/xz_boot.c b/linux/lib/xz/xz_boot.c index 9a1adfb..71a9886 100644 --- a/linux/lib/xz/xz_boot.c +++ b/linux/lib/xz/xz_boot.c @@ -44,10 +44,43 @@ * is in b.in_pos and the amount of output used is in b.out_pos. */ +/* + * Allow using the macro INIT to mark all functions with __init. + * INIT is already used for this purporse in the Deflate decoder, + * so this should ease things a little. + */ #if !defined(XZ_FUNC) && defined(INIT) # define XZ_FUNC INIT #endif + +/* + * Use the internal CRC32 code instead of kernel's CRC32 module, which + * is not available in early phase of booting. + */ #define XZ_INTERNAL_CRC32 + +/* + * Ignore the configuration specified in the kernel config for the xz_dec + * module. For boot time use, we enable only the BCJ filter of the current + * architecture, or none if no BCJ filter is available for the architecture. + */ +#define XZ_IGNORE_KCONFIG +#ifdef CONFIG_X86 +# define XZ_DEC_X86 +#endif +#ifdef CONFIG_PPC +# define XZ_DEC_PPC +#endif +#ifdef CONFIG_ARM +# define XZ_DEC_ARM +#endif +#ifdef CONFIG_IA64 +# define XZ_DEC_IA64 +#endif +#ifdef CONFIG_SPARC +# define XZ_DEC_SPARC +#endif + #include "xz_private.h" #ifdef XZ_MEM_FUNCS @@ -125,6 +158,9 @@ static void * XZ_FUNC memmove(void *dest, const void *src, size_t size) #include "xz_crc32.c" #include "xz_dec_stream.c" #include "xz_dec_lzma2.c" +#ifdef XZ_DEC_BCJ +# include "xz_dec_bcj.c" +#endif /** * xz_dec_buf() - Single-call XZ decoder |