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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-03-15 17:08:32 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-03-15 17:08:24 +0100 |
| commit | d7b081ac0b8eee5f2a58123235061ee1b99a4f4d (patch) | |
| tree | a1deecb029e2a511112e2364e6878bf843d9773c /arch/s390 | |
| parent | 3041b6ab5f36ac303981e9f170ff2ae43dc9d125 (diff) | |
| download | linux-d7b081ac0b8eee5f2a58123235061ee1b99a4f4d.tar.gz linux-d7b081ac0b8eee5f2a58123235061ee1b99a4f4d.tar.bz2 linux-d7b081ac0b8eee5f2a58123235061ee1b99a4f4d.zip | |
[S390] support XZ compressed kernel
Add support for XZ compressed kernel. Same as on x86 and sh.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/Kconfig | 1 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/Makefile | 6 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/misc.c | 5 |
3 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 271a02f821c0..2508a6f31588 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -85,6 +85,7 @@ config S390 select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZO + select HAVE_KERNEL_XZ select HAVE_GET_USER_PAGES_FAST select HAVE_ARCH_MUTEX_CPU_RELAX select ARCH_INLINE_SPIN_TRYLOCK diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 1c999f726a58..10e22c4ec4a7 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -7,7 +7,8 @@ BITS := $(if $(CONFIG_64BIT),64,31) targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ - vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o sizes.h head$(BITS).o + vmlinux.bin.xz 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 += $(cflags-y) @@ -48,6 +49,7 @@ suffix-$(CONFIG_KERNEL_GZIP) := gz suffix-$(CONFIG_KERNEL_BZIP2) := bz2 suffix-$(CONFIG_KERNEL_LZMA) := lzma suffix-$(CONFIG_KERNEL_LZO) := lzo +suffix-$(CONFIG_KERNEL_XZ) := xz $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) $(call if_changed,gzip) @@ -57,6 +59,8 @@ $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) $(call if_changed,lzma) $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) $(call if_changed,lzo) +$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) + $(call if_changed,xzkern) 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 2751b3a8a66f..028f23ea81d1 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -19,6 +19,7 @@ #undef memset #undef memcpy #undef memmove +#define memmove memmove #define memzero(s, n) memset((s), 0, (n)) /* Symbols defined by linker scripts */ @@ -54,6 +55,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_unlzo.c" #endif +#ifdef CONFIG_KERNEL_XZ +#include "../../../../lib/decompress_unxz.c" +#endif + extern _sclp_print_early(const char *); int puts(const char *s) |