kernel: add lzma support for arm cpu.
authorHauke Mehrtens <hauke@hauke-m.de>
Sun, 23 May 2010 17:44:32 +0000 (17:44 +0000)
committerHauke Mehrtens <hauke@hauke-m.de>
Sun, 23 May 2010 17:44:32 +0000 (17:44 +0000)
This patch appears to be lost beetween 2.6.32 and 2.6.33.

Thank you Maddes for the patch.

This helps making orion work with kernel 2.6.33.

SVN-Revision: 21552

target/linux/generic-2.6/patches-2.6.33/055-lzma_arm_kernel.patch [new file with mode: 0644]

diff --git a/target/linux/generic-2.6/patches-2.6.33/055-lzma_arm_kernel.patch b/target/linux/generic-2.6/patches-2.6.33/055-lzma_arm_kernel.patch
new file mode 100644 (file)
index 0000000..59c31e7
--- /dev/null
@@ -0,0 +1,57 @@
+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
+@@ -248,6 +248,10 @@ 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: