target/linux/generic-2.6/patches-2.6.31/055-lzma_arm_kernel.patch

   1 From d0f226a0f104c7d1da1d215b8013359273e39e18 Mon Sep 17 00:00:00 2001
   2 From: Albin Tonnerre <albin.tonnerre@free-electrons.com>
   3 Date: Fri, 16 Oct 2009 16:17:22 +0200
   4 Subject: [PATCH] Add LZMA decompression on ARM
   5
   6
   7 Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
   8 ---
   9  arch/arm/Kconfig                      |    1 +
  10  arch/arm/boot/compressed/Makefile     |    1 +
  11  arch/arm/boot/compressed/misc.c       |    4 ++++
  12  arch/arm/boot/compressed/piggy.lzma.S |    6 ++++++
  13  4 files changed, 12 insertions(+), 0 deletions(-)
  14  create mode 100644 arch/arm/boot/compressed/piggy.lzma.S
  15
  16 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
  17 index ea71c0c..f5bf779 100644
  18 --- a/arch/arm/Kconfig
  19 +++ b/arch/arm/Kconfig
  20 @@ -20,6 +20,7 @@ config ARM
  21         select HAVE_GENERIC_DMA_COHERENT
  22         select HAVE_KERNEL_GZIP
  23         select HAVE_KERNEL_LZO
  24 +       select HAVE_KERNEL_LZMA
  25         help
  26           The ARM series is a line of low-power-consumption RISC chip designs
  27           licensed by ARM Ltd and targeted at embedded applications and
  28 diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
  29 index 5b4629b..dcfcb74 100644
  30 --- a/arch/arm/boot/compressed/Makefile
  31 +++ b/arch/arm/boot/compressed/Makefile
  32 @@ -65,6 +65,7 @@ SEDFLAGS      = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
  33
  34  suffix_$(CONFIG_KERNEL_GZIP) = gzip
  35  suffix_$(CONFIG_KERNEL_LZO)  = lzo
  36 +suffix_$(CONFIG_KERNEL_LZMA)  = lzma
  37
  38  targets       := vmlinux vmlinux.lds \
  39                  piggy.$(suffix_y) piggy.$(suffix_y).o \
  40 diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
  41 index 7e0fe4d..4e35a10 100644
  42 --- a/arch/arm/boot/compressed/misc.c
  43 +++ b/arch/arm/boot/compressed/misc.c
  44 @@ -237,6 +237,10 @@ static unsigned long free_mem_end_ptr;
  45  #include "../../../../lib/decompress_inflate.c"
  46  #endif
  47
  48 +#ifdef CONFIG_KERNEL_LZMA
  49 +#include "../../../../lib/decompress_unlzma.c"
  50 +#endif
  51 +
  52  #ifdef CONFIG_KERNEL_LZO
  53  #include "../../../../lib/decompress_unlzo.c"
  54  #endif
  55 diff --git a/arch/arm/boot/compressed/piggy.lzma.S b/arch/arm/boot/compressed/piggy.lzma.S
  56 new file mode 100644
  57 index 0000000..d7e69cf
  58 --- /dev/null
  59 +++ b/arch/arm/boot/compressed/piggy.lzma.S
  60 @@ -0,0 +1,6 @@
  61 +       .section .piggydata,#alloc
  62 +       .globl  input_data
  63 +input_data:
  64 +       .incbin "arch/arm/boot/compressed/piggy.lzma"
  65 +       .globl  input_data_end
  66 +input_data_end:
  67 --
  68 1.6.5
  69