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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>
hifive-unleashed-5.1
Wu Zhangjin 2010-01-15 20:34:46 +08:00 committed by Ralf Baechle
parent be8cde8b24
commit fe1d45e086
3 changed files with 7 additions and 0 deletions
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1
arch/mips/Kconfig
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@ -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

2
arch/mips/boot/compressed/Makefile
View File

@ -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))

4
arch/mips/boot/compressed/decompress.c
View File

@ -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;