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 --- common/cmd_bootm.c | 2 ++ include/config_defaults.h | 3 +++ lib_generic/Makefile | 4 ++-- 3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index f275d02..ce174d7 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -348,6 +348,7 @@ 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, @@ -361,6 +362,7 @@ 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 8d23c5d..ae2c282 100644 --- a/lib_generic/Makefile +++ b/lib_generic/Makefile @@ -36,7 +36,7 @@ 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-$(CONFIG_MD5) += md5.o @@ -45,7 +45,7 @@ COBJS-$(CONFIG_SHA256) += sha256.o COBJS-y += string.o COBJS-y += strmhz.o COBJS-y += vsprintf.o -COBJS-y += zlib.o +COBJS-$(CONFIG_ZLIB) += zlib.o COBJS-$(CONFIG_RBTREE) += rbtree.o
COBJS := $(COBJS-y)