diff options
Diffstat (limited to 'cpukit/libmisc/xz/xz_private.h')
| -rw-r--r-- | cpukit/libmisc/xz/xz_private.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/cpukit/libmisc/xz/xz_private.h b/cpukit/libmisc/xz/xz_private.h deleted file mode 100644 index 482b90f363..0000000000 --- a/cpukit/libmisc/xz/xz_private.h +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Private includes and definitions - * - * Author: Lasse Collin <lasse.collin@tukaani.org> - * - * This file has been put into the public domain. - * You can do whatever you want with this file. - */ - -#ifndef XZ_PRIVATE_H -#define XZ_PRIVATE_H - -#ifdef __KERNEL__ -# include <linux/xz.h> -# include <linux/kernel.h> -# include <asm/unaligned.h> - /* XZ_PREBOOT may be defined only via decompress_unxz.c. */ -# ifndef XZ_PREBOOT -# include <linux/slab.h> -# include <linux/vmalloc.h> -# include <linux/string.h> -# ifdef CONFIG_XZ_DEC_X86 -# define XZ_DEC_X86 -# endif -# ifdef CONFIG_XZ_DEC_POWERPC -# define XZ_DEC_POWERPC -# endif -# ifdef CONFIG_XZ_DEC_IA64 -# define XZ_DEC_IA64 -# endif -# ifdef CONFIG_XZ_DEC_ARM -# define XZ_DEC_ARM -# endif -# ifdef CONFIG_XZ_DEC_ARMTHUMB -# define XZ_DEC_ARMTHUMB -# endif -# ifdef CONFIG_XZ_DEC_SPARC -# define XZ_DEC_SPARC -# endif -# define memeq(a, b, size) (memcmp(a, b, size) == 0) -# define memzero(buf, size) memset(buf, 0, size) -# endif -# define get_le32(p) le32_to_cpup((const uint32_t *)(p)) -#else - /* - * For userspace builds, use a separate header to define the required - * macros and functions. This makes it easier to adapt the code into - * different environments and avoids clutter in the Linux kernel tree. - */ -# include "xz_config.h" -#endif - -/* If no specific decoding mode is requested, enable support for all modes. */ -#if !defined(XZ_DEC_SINGLE) && !defined(XZ_DEC_PREALLOC) \ - && !defined(XZ_DEC_DYNALLOC) -# define XZ_DEC_SINGLE -# define XZ_DEC_PREALLOC -# define XZ_DEC_DYNALLOC -#endif - -/* - * The DEC_IS_foo(mode) macros are used in "if" statements. If only some - * of the supported modes are enabled, these macros will evaluate to true or - * false at compile time and thus allow the compiler to omit unneeded code. - */ -#ifdef XZ_DEC_SINGLE -# define DEC_IS_SINGLE(mode) ((mode) == XZ_SINGLE) -#else -# define DEC_IS_SINGLE(mode) (false) -#endif - -#ifdef XZ_DEC_PREALLOC -# define DEC_IS_PREALLOC(mode) ((mode) == XZ_PREALLOC) -#else -# define DEC_IS_PREALLOC(mode) (false) -#endif - -#ifdef XZ_DEC_DYNALLOC -# define DEC_IS_DYNALLOC(mode) ((mode) == XZ_DYNALLOC) -#else -# define DEC_IS_DYNALLOC(mode) (false) -#endif - -#if !defined(XZ_DEC_SINGLE) -# define DEC_IS_MULTI(mode) (true) -#elif defined(XZ_DEC_PREALLOC) || defined(XZ_DEC_DYNALLOC) -# define DEC_IS_MULTI(mode) ((mode) != XZ_SINGLE) -#else -# define DEC_IS_MULTI(mode) (false) -#endif - -/* - * If any of the BCJ filter decoders are wanted, define XZ_DEC_BCJ. - * XZ_DEC_BCJ is used to enable generic support for BCJ decoders. - */ -#ifndef XZ_DEC_BCJ -# if defined(XZ_DEC_X86) || defined(XZ_DEC_POWERPC) \ - || defined(XZ_DEC_IA64) || defined(XZ_DEC_ARM) \ - || defined(XZ_DEC_ARM) || defined(XZ_DEC_ARMTHUMB) \ - || defined(XZ_DEC_SPARC) -# define XZ_DEC_BCJ -# endif -#endif - -/* - * Allocate memory for LZMA2 decoder. xz_dec_lzma2_reset() must be used - * before calling xz_dec_lzma2_run(). - */ -XZ_EXTERN struct xz_dec_lzma2 *xz_dec_lzma2_create(enum xz_mode mode, - uint32_t dict_max); - -/* - * Decode the LZMA2 properties (one byte) and reset the decoder. Return - * XZ_OK on success, XZ_MEMLIMIT_ERROR if the preallocated dictionary is not - * big enough, and XZ_OPTIONS_ERROR if props indicates something that this - * decoder doesn't support. - */ -XZ_EXTERN enum xz_ret xz_dec_lzma2_reset(struct xz_dec_lzma2 *s, - uint8_t props); - -/* Decode raw LZMA2 stream from b->in to b->out. */ -XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s, - struct xz_buf *b); - -/* Free the memory allocated for the LZMA2 decoder. */ -XZ_EXTERN void xz_dec_lzma2_end(struct xz_dec_lzma2 *s); - -#ifdef XZ_DEC_BCJ -/* - * Allocate memory for BCJ decoders. xz_dec_bcj_reset() must be used before - * calling xz_dec_bcj_run(). - */ -XZ_EXTERN struct xz_dec_bcj *xz_dec_bcj_create(bool single_call); - -/* - * Decode the Filter ID of a BCJ filter. This implementation doesn't - * support custom start offsets, so no decoding of Filter Properties - * is needed. Returns XZ_OK if the given Filter ID is supported. - * Otherwise XZ_OPTIONS_ERROR is returned. - */ -XZ_EXTERN enum xz_ret xz_dec_bcj_reset(struct xz_dec_bcj *s, uint8_t id); - -/* - * Decode raw BCJ + LZMA2 stream. This must be used only if there actually is - * a BCJ filter in the chain. If the chain has only LZMA2, xz_dec_lzma2_run() - * must be called directly. - */ -XZ_EXTERN enum xz_ret xz_dec_bcj_run(struct xz_dec_bcj *s, - struct xz_dec_lzma2 *lzma2, - struct xz_buf *b); - -/* Free the memory allocated for the BCJ filters. */ -#define xz_dec_bcj_end(s) kfree(s) -#endif - -#endif |