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authorWu Zhangjin <wuzhangjin@gmail.com>2010-01-15 20:34:46 +0800
committerRalf Baechle <ralf@linux-mips.org>2010-01-28 00:03:30 +0100
commitfe1d45e08650213ec83a72d3499c3dd703243792 (patch)
tree2d967f4d9a11ffa4e6daf6ff6e498915441b10ed /arch
parentbe8cde8b24c9dca1e54598690115eee5b1476519 (diff)
downloadlinux-fe1d45e08650213ec83a72d3499c3dd703243792.tar.gz
MIPS: Add support of LZO-compressed kernels
The necessary changes to the x86 Kconfig and boot/compressed to allow the
use of this new compression method.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Patchwork: http://patchwork.linux-mips.org/patch/857/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/boot/compressed/Makefile2
-rw-r--r--arch/mips/boot/compressed/decompress.c4
3 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 9541171f1220..8b5d174685f0 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1311,6 +1311,7 @@ config SYS_SUPPORTS_ZBOOT
 	select HAVE_KERNEL_GZIP
 	select HAVE_KERNEL_BZIP2
 	select HAVE_KERNEL_LZMA
+	select HAVE_KERNEL_LZO
 
 config SYS_SUPPORTS_ZBOOT_UART16550
 	bool
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 671d3448fad4..bdcfd49f022d 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -41,9 +41,11 @@ $(obj)/vmlinux.bin: $(KBUILD_IMAGE)
 suffix_$(CONFIG_KERNEL_GZIP)  = gz
 suffix_$(CONFIG_KERNEL_BZIP2) = bz2
 suffix_$(CONFIG_KERNEL_LZMA)  = lzma
+suffix_$(CONFIG_KERNEL_LZO)   = lzo
 tool_$(CONFIG_KERNEL_GZIP)    = gzip
 tool_$(CONFIG_KERNEL_BZIP2)   = bzip2
 tool_$(CONFIG_KERNEL_LZMA)    = lzma
+tool_$(CONFIG_KERNEL_LZO)     = lzo
 $(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin
 	$(call if_changed,$(tool_y))
 
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index e48fd72898a8..55d02b3a6712 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -77,6 +77,10 @@ void *memset(void *s, int c, size_t n)
 #include "../../../../lib/decompress_unlzma.c"
 #endif
 
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
+
 void decompress_kernel(unsigned long boot_heap_start)
 {
 	int zimage_size;