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Commit fe1d45e0 authored by Wu Zhangjin's avatar Wu Zhangjin Committed by Ralf Baechle
Browse files

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: default avatarWu 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: default avatarRalf Baechle <ralf@linux-mips.org>
parent be8cde8b

arch/mips/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/mips/boot/compressed/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -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))

arch/mips/boot/compressed/decompress.c

+4 −0
Original line number Diff line number Diff line
@@ -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;