decompressors: add boot-time XZ support

[cascardo/linux.git] / lib / decompress.c

diff --git a/lib/decompress.c b/lib/decompress.c
index a760681..3d766b7 100644 (file)
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -8,6 +8,7 @@
 
 #include <linux/decompress/bunzip2.h>
 #include <linux/decompress/unlzma.h>
+#include <linux/decompress/unxz.h>
 #include <linux/decompress/inflate.h>
 #include <linux/decompress/unlzo.h>
 
@@ -23,6 +24,9 @@
 #ifndef CONFIG_DECOMPRESS_LZMA
 # define unlzma NULL
 #endif
+#ifndef CONFIG_DECOMPRESS_XZ
+# define unxz NULL
+#endif
 #ifndef CONFIG_DECOMPRESS_LZO
 # define unlzo NULL
 #endif
@@ -36,6 +40,7 @@ static const struct compress_format {
        { {037, 0236}, "gzip", gunzip },
        { {0x42, 0x5a}, "bzip2", bunzip2 },
        { {0x5d, 0x00}, "lzma", unlzma },
+       { {0xfd, 0x37}, "xz", unxz },
        { {0x89, 0x4c}, "lzo", unlzo },
        { {0, 0}, NULL, NULL }
 };