From fe1d45e08650213ec83a72d3499c3dd703243792 Mon Sep 17 00:00:00 2001 From: Wu Zhangjin Date: Fri, 15 Jan 2010 20:34:46 +0800 Subject: [PATCH] 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 Cc: linux-mips@linux-mips.org Cc: Sergei Shtylyov Patchwork: http://patchwork.linux-mips.org/patch/857/ Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 1 + arch/mips/boot/compressed/Makefile | 2 ++ arch/mips/boot/compressed/decompress.c | 4 ++++ 3 files changed, 7 insertions(+) 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; -- 2.20.1