LXR linux/arch/arm/boot/compressed/decompress.c

   1// SPDX-License-Identifier: GPL-2.0
   2#define _LINUX_STRING_H_
   3
   4#include <linux/compiler.h>     /* for inline */
   5#include <linux/types.h>        /* for size_t */
   6#include <linux/stddef.h>       /* for NULL */
   7#include <linux/linkage.h>
   8#include <asm/string.h>
   9
  10extern unsigned long free_mem_ptr;
  11extern unsigned long free_mem_end_ptr;
  12extern void error(char *);
  13
  14#define STATIC static
  15#define STATIC_RW_DATA  /* non-static please */
  16
  17/* Diagnostic functions */
  18#ifdef DEBUG
  19#  define Assert(cond,msg) {if(!(cond)) error(msg);}
  20#  define Trace(x) fprintf x
  21#  define Tracev(x) {if (verbose) fprintf x ;}
  22#  define Tracevv(x) {if (verbose>1) fprintf x ;}
  23#  define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
  24#  define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
  25#else
  26#  define Assert(cond,msg)
  27#  define Trace(x)
  28#  define Tracev(x)
  29#  define Tracevv(x)
  30#  define Tracec(c,x)
  31#  define Tracecv(c,x)
  32#endif
  33
  34/* Not needed, but used in some headers pulled in by decompressors */
  35extern char * strstr(const char * s1, const char *s2);
  36extern size_t strlen(const char *s);
  37extern int memcmp(const void *cs, const void *ct, size_t count);
  38
  39#ifdef CONFIG_KERNEL_GZIP
  40#include "../../../../lib/decompress_inflate.c"
  41#endif
  42
  43#ifdef CONFIG_KERNEL_LZO
  44#include "../../../../lib/decompress_unlzo.c"
  45#endif
  46
  47#ifdef CONFIG_KERNEL_LZMA
  48#include "../../../../lib/decompress_unlzma.c"
  49#endif
  50
  51#ifdef CONFIG_KERNEL_XZ
  52#define memmove memmove
  53#define memcpy memcpy
  54#include "../../../../lib/decompress_unxz.c"
  55#endif
  56
  57#ifdef CONFIG_KERNEL_LZ4
  58#include "../../../../lib/decompress_unlz4.c"
  59#endif
  60
  61int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x))
  62{
  63        return __decompress(input, len, NULL, NULL, output, 0, NULL, error);
  64}
  65