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m32r: add memcpy() for CONFIG_KERNEL_GZIP=y

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Fix the m32r link error:

    LD      arch/m32r/boot/compressed/vmlinux
  arch/m32r/boot/compressed/misc.o: In function `zlib_updatewindow':
  misc.c:(.text+0x190): undefined reference to `memcpy'
  misc.c:(.text+0x190): relocation truncated to fit: R_M32R_26_PLTREL against undefined symbol `memcpy'
  make[5]: *** [arch/m32r/boot/compressed/vmlinux] Error 1

by adding our own implementation of memcpy().

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2012-07-17 15:48:04 -07:00 committed by Linus Torvalds
parent df12aef6a1
commit a8abbca661
1 changed files with 10 additions and 0 deletions
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10
arch/m32r/boot/compressed/misc.c
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@ -39,6 +39,16 @@ static void *memset(void *s, int c, size_t n)
#endif
#ifdef CONFIG_KERNEL_GZIP
void *memcpy(void *dest, const void *src, size_t n)
{
char *d = dest;
const char *s = src;
while (n--)
*d++ = *s++;
return dest;
}
#define BOOT_HEAP_SIZE 0x10000
#include "../../../../lib/decompress_inflate.c"
#endif