From 1cc9a21b0bb36debdf96dbcc4b139d6639373018 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Fri, 14 Jun 2019 10:16:24 +0000 Subject: powerpc/boot: Add lzma support for uImage This patch allows to generate lzma compressed uImage Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman --- arch/powerpc/Kconfig | 1 + arch/powerpc/boot/Makefile | 2 ++ arch/powerpc/boot/wrapper | 5 ++++- 3 files changed, 7 insertions(+), 1 deletion(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 537d93a4594b..016bd351e5fe 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -198,6 +198,7 @@ config PPC select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_KERNEL_GZIP + select HAVE_KERNEL_LZMA if DEFAULT_UIMAGE select HAVE_KERNEL_XZ if PPC_BOOK3S || 44x select HAVE_KPROBES select HAVE_KPROBES_ON_FTRACE diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 73d1f3562978..9b7b11a22925 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -22,6 +22,7 @@ all: $(obj)/zImage compress-$(CONFIG_KERNEL_GZIP) := CONFIG_KERNEL_GZIP compress-$(CONFIG_KERNEL_XZ) := CONFIG_KERNEL_XZ +compress-$(CONFIG_KERNEL_LZMA) := CONFIG_KERNEL_LZMA ifdef CROSS32_COMPILE BOOTCC := $(CROSS32_COMPILE)gcc @@ -257,6 +258,7 @@ endif compressor-$(CONFIG_KERNEL_GZIP) := gz compressor-$(CONFIG_KERNEL_XZ) := xz +compressor-$(CONFIG_KERNEL_LZMA) := lzma # args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd quiet_cmd_wrap = WRAP $@ diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 4e9beecf2502..51dc42f5acbc 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -137,7 +137,7 @@ while [ "$#" -gt 0 ]; do -Z) shift [ "$#" -gt 0 ] || usage - [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "none" ] || usage + [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "lzma" -o "$1" != "none" ] || usage compression=".$1" uboot_comp=$1 @@ -374,6 +374,9 @@ if [ -z "$cacheit" -o ! -f "$vmz$compression" -o "$vmz$compression" -ot "$kernel .gz) gzip -n -f -9 "$vmz.$$" ;; + .lzma) + xz --format=lzma -f -6 "$vmz.$$" + ;; *) # drop the compression suffix so the stripped vmlinux is used compression= -- cgit v1.2.3-59-g8ed1b