From cdf566498d80709dedab826d068a9ea9d438320a Mon Sep 17 00:00:00 2001 From: Heiko Carstens <heiko.carstens@de.ibm.com> Date: Wed, 26 May 2010 23:27:12 +0200 Subject: [PATCH] [S390] Add support for LZO-compressed kernels. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> --- arch/s390/Kconfig | 1 + arch/s390/boot/compressed/Makefile | 5 ++++- arch/s390/boot/compressed/misc.c | 4 ++++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 149c9d8208da3..bee1c0f794cf0 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -102,6 +102,7 @@ config S390 select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA + select HAVE_KERNEL_LZO select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH select ARCH_INLINE_SPIN_LOCK diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 6e4a67ad07e1a..1c999f726a582 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -7,7 +7,7 @@ BITS := $(if $(CONFIG_64BIT),64,31) targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ - vmlinux.bin.lzma misc.o piggy.o sizes.h head$(BITS).o + vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o sizes.h head$(BITS).o KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 KBUILD_CFLAGS += $(cflags-y) @@ -47,6 +47,7 @@ vmlinux.bin.all-y := $(obj)/vmlinux.bin suffix-$(CONFIG_KERNEL_GZIP) := gz suffix-$(CONFIG_KERNEL_BZIP2) := bz2 suffix-$(CONFIG_KERNEL_LZMA) := lzma +suffix-$(CONFIG_KERNEL_LZO) := lzo $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) $(call if_changed,gzip) @@ -54,6 +55,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) $(call if_changed,bzip2) $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) $(call if_changed,lzma) +$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) + $(call if_changed,lzo) LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index 14e0479d3888e..0851eb1e919e8 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -50,6 +50,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_unlzma.c" #endif +#ifdef CONFIG_KERNEL_LZO +#include "../../../../lib/decompress_unlzo.c" +#endif + extern _sclp_print_early(const char *); int puts(const char *s) -- GitLab