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authorMike Frysinger <vapier@gentoo.org>2010-01-21 19:30:36 -0500
committerWolfgang Denk <wd@denx.de>2010-01-26 00:04:57 +0100
commit44431cabbb66e81a2d77642b6f7d39c6230ea4ba (patch)
tree21d0bf6f82d514cde39b19b375ca4d33a37234b7
parent8edcde5e4e2e7f6bc7e277011fed71e64fd9d294 (diff)
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gzip/zlib: make features optional
If you really want to slim down U-Boot and you would rather use a higher compression scheme (like LZMA), it'd be nice to disable gzip/zlib since these code bases take up a significant amount of space. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
-rw-r--r--common/cmd_bootm.c2
-rw-r--r--include/config_defaults.h3
-rw-r--r--lib_generic/Makefile4
3 files changed, 7 insertions, 2 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index f28e88f..23ab0c4 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -352,6 +352,7 @@ static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
*load_end = load + image_len;
puts("OK\n");
break;
+#ifdef CONFIG_GZIP
case IH_COMP_GZIP:
printf (" Uncompressing %s ... ", type_name);
if (gunzip ((void *)load, unc_len,
@@ -365,6 +366,7 @@ static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
*load_end = load + image_len;
break;
+#endif /* CONFIG_GZIP */
#ifdef CONFIG_BZIP2
case IH_COMP_BZIP2:
printf (" Uncompressing %s ... ", type_name);
diff --git a/include/config_defaults.h b/include/config_defaults.h
index 08b6ede..0337163 100644
--- a/include/config_defaults.h
+++ b/include/config_defaults.h
@@ -14,4 +14,7 @@
#define CONFIG_BOOTM_NETBSD 1
#define CONFIG_BOOTM_RTEMS 1
+#define CONFIG_GZIP 1
+#define CONFIG_ZLIB 1
+
#endif
diff --git a/lib_generic/Makefile b/lib_generic/Makefile
index 4e4496a..c45f07c 100644
--- a/lib_generic/Makefile
+++ b/lib_generic/Makefile
@@ -37,7 +37,7 @@ COBJS-y += crc32.o
COBJS-y += ctype.o
COBJS-y += display_options.o
COBJS-y += div64.o
-COBJS-y += gunzip.o
+COBJS-$(CONFIG_GZIP) += gunzip.o
COBJS-$(CONFIG_LMB) += lmb.o
COBJS-y += ldiv.o
COBJS-$(CONFIG_MD5) += md5.o
@@ -48,7 +48,7 @@ COBJS-y += string.o
COBJS-y += strmhz.o
COBJS-y += time.o
COBJS-y += vsprintf.o
-COBJS-y += zlib.o
+COBJS-$(CONFIG_ZLIB) += zlib.o
COBJS-$(CONFIG_RBTREE) += rbtree.o
COBJS := $(COBJS-y)