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arm: add support for LZO-compressed kernels

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- changes to ach/arch/boot/Makefile to make it easier to add new
   compression types
 - new piggy.lzo.S necessary for lzo compression
 - changes in arch/arm/boot/compressed/misc.c to allow the use of lzo or
   gzip, depending on the config
 - Kconfig support

Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Tested-by: Wu Zhangjin <wuzhangjin@gmail.com>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Russell King <rmk@arm.linux.org.uk>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Albin Tonnerre
2010-01-08 14:42:43 -08:00
committed by Linus Torvalds
parent 7dd65feb6c
commit e7db7b4270
5 changed files with 68 additions and 92 deletions
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6
arch/arm/boot/compressed/piggy.gzip.S Normal file
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@@ -0,0 +1,6 @@
.section .piggydata,#alloc
.globl input_data
input_data:
.incbin "arch/arm/boot/compressed/piggy.gzip"
.globl input_data_end
input_data_end: