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
  10 extern unsigned long free_mem_ptr;
  11 extern unsigned long free_mem_end_ptr;
  12 extern 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 */
  35 extern char * strstr(const char * s1, const char *s2);
  36 extern size_t strlen(const char *s);
  37 extern 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
  61 int 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 }