@@ -202,6 +202,7 @@ config PPC
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_XZ if PPC_BOOK3S || 44x
select HAVE_KERNEL_LZMA if DEFAULT_UIMAGE
+ select HAVE_KERNEL_BZIP2 if DEFAULT_UIMAGE
select HAVE_KPROBES
select HAVE_KPROBES_ON_FTRACE
select HAVE_KRETPROBES
@@ -23,6 +23,7 @@ all: $(obj)/zImage
compress-$(CONFIG_KERNEL_GZIP) := CONFIG_KERNEL_GZIP
compress-$(CONFIG_KERNEL_XZ) := CONFIG_KERNEL_XZ
compress-$(CONFIG_KERNEL_LZMA) := CONFIG_KERNEL_LZMA
+compress-$(CONFIG_KERNEL_BZIP2) := CONFIG_KERNEL_BZIP2
ifdef CROSS32_COMPILE
BOOTCC := $(CROSS32_COMPILE)gcc
@@ -259,6 +260,7 @@ endif
compressor-$(CONFIG_KERNEL_GZIP) := gz
compressor-$(CONFIG_KERNEL_XZ) := xz
compressor-$(CONFIG_KERNEL_LZMA) := lzma
+compressor-$(CONFIG_KERNEL_BZIP2) := bz2
# args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd
quiet_cmd_wrap = WRAP $@
@@ -137,7 +137,7 @@ while [ "$#" -gt 0 ]; do
-Z)
shift
[ "$#" -gt 0 ] || usage
- [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "lzma" -o "$1" != "none" ] || usage
+ [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "lzma" -o "$1" != "bz2" -o "$1" != "none" ] || usage
compression=".$1"
uboot_comp=$1
@@ -149,6 +149,9 @@ while [ "$#" -gt 0 ]; do
if [ $uboot_comp = "gz" ]; then
uboot_comp=gzip
fi
+ if [ $uboot_comp = "bz2" ]; then
+ uboot_comp=bzip2
+ fi
;;
--no-gzip)
# a "feature" of the the wrapper script is that it can be used outside
@@ -377,6 +380,9 @@ if [ -z "$cacheit" -o ! -f "$vmz$compression" -o "$vmz$compression" -ot "$kernel
.lzma)
xz --format=lzma -f -6 "$vmz.$$"
;;
+ .bz2)
+ bzip2 -f "$vmz.$$"
+ ;;
*)
# drop the compression suffix so the stripped vmlinux is used
compression=
This patch allows to generate bzip2 compressed uImage Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/Kconfig | 1 + arch/powerpc/boot/Makefile | 2 ++ arch/powerpc/boot/wrapper | 8 +++++++- 3 files changed, 10 insertions(+), 1 deletion(-)