From d0f226a0f104c7d1da1d215b8013359273e39e18 Mon Sep 17 00:00:00 2001 From: Albin Tonnerre <albin.tonnerre@free-electrons.com> Date: Fri, 16 Oct 2009 16:17:22 +0200 Subject: [PATCH] Add LZMA decompression on ARM Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com> --- arch/arm/Kconfig | 1 + arch/arm/boot/compressed/Makefile | 1 + arch/arm/boot/compressed/misc.c | 4 ++++ arch/arm/boot/compressed/piggy.lzma.S | 6 ++++++ 4 files changed, 12 insertions(+), 0 deletions(-) create mode 100644 arch/arm/boot/compressed/piggy.lzma.S --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -20,6 +20,7 @@ config ARM select HAVE_GENERIC_DMA_COHERENT select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZO + select HAVE_KERNEL_LZMA help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -65,6 +65,7 @@ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/ suffix_$(CONFIG_KERNEL_GZIP) = gzip suffix_$(CONFIG_KERNEL_LZO) = lzo +suffix_$(CONFIG_KERNEL_LZMA) = lzma targets := vmlinux vmlinux.lds \ piggy.$(suffix_y) piggy.$(suffix_y).o \ --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -237,6 +237,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_inflate.c" #endif +#ifdef CONFIG_KERNEL_LZMA +#include "../../../../lib/decompress_unlzma.c" +#endif + #ifdef CONFIG_KERNEL_LZO #include "../../../../lib/decompress_unlzo.c" #endif --- /dev/null +++ b/arch/arm/boot/compressed/piggy.lzma.S @@ -0,0 +1,6 @@ + .section .piggydata,#alloc + .globl input_data +input_data: + .incbin "arch/arm/boot/compressed/piggy.lzma" + .globl input_data_end +input_data_end: