2009-11-17 12:04:41 +02:00
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From d0f226a0f104c7d1da1d215b8013359273e39e18 Mon Sep 17 00:00:00 2001
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From: Albin Tonnerre <albin.tonnerre@free-electrons.com>
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Date: Fri, 16 Oct 2009 16:17:22 +0200
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Subject: [PATCH] Add LZMA decompression on ARM
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Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
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---
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arch/arm/Kconfig | 1 +
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arch/arm/boot/compressed/Makefile | 1 +
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arch/arm/boot/compressed/misc.c | 4 ++++
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arch/arm/boot/compressed/piggy.lzma.S | 6 ++++++
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4 files changed, 12 insertions(+), 0 deletions(-)
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create mode 100644 arch/arm/boot/compressed/piggy.lzma.S
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--- a/arch/arm/Kconfig
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+++ b/arch/arm/Kconfig
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@@ -20,6 +20,7 @@ config ARM
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select HAVE_GENERIC_DMA_COHERENT
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_LZO
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+ select HAVE_KERNEL_LZMA
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help
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The ARM series is a line of low-power-consumption RISC chip designs
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licensed by ARM Ltd and targeted at embedded applications and
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--- a/arch/arm/boot/compressed/Makefile
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+++ b/arch/arm/boot/compressed/Makefile
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2009-11-30 12:32:20 +02:00
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@@ -65,6 +65,7 @@ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/
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2009-11-17 12:04:41 +02:00
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suffix_$(CONFIG_KERNEL_GZIP) = gzip
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suffix_$(CONFIG_KERNEL_LZO) = lzo
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+suffix_$(CONFIG_KERNEL_LZMA) = lzma
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targets := vmlinux vmlinux.lds \
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piggy.$(suffix_y) piggy.$(suffix_y).o \
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--- a/arch/arm/boot/compressed/misc.c
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+++ b/arch/arm/boot/compressed/misc.c
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@@ -237,6 +237,10 @@ static unsigned long free_mem_end_ptr;
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#include "../../../../lib/decompress_inflate.c"
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#endif
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+#ifdef CONFIG_KERNEL_LZMA
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+#include "../../../../lib/decompress_unlzma.c"
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+#endif
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+
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#ifdef CONFIG_KERNEL_LZO
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#include "../../../../lib/decompress_unlzo.c"
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#endif
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--- /dev/null
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+++ b/arch/arm/boot/compressed/piggy.lzma.S
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@@ -0,0 +1,6 @@
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+ .section .piggydata,#alloc
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+ .globl input_data
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+input_data:
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+ .incbin "arch/arm/boot/compressed/piggy.lzma"
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+ .globl input_data_end
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+input_data_end:
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