diff options
Diffstat (limited to 'target/linux/generic')
| -rw-r--r-- | target/linux/generic/config-3.0 | 4 | ||||
| -rw-r--r-- | target/linux/generic/patches-3.0/006-arm_kernel_xz_support.patch | 107 |
2 files changed, 109 insertions, 2 deletions
diff --git a/target/linux/generic/config-3.0 b/target/linux/generic/config-3.0 index 450421ea6..0d1eec1e6 100644 --- a/target/linux/generic/config-3.0 +++ b/target/linux/generic/config-3.0 @@ -1201,9 +1201,9 @@ CONFIG_JOLIET=y # CONFIG_KARMA_PARTITION is not set # CONFIG_KERNEL_BZIP2 is not set # CONFIG_KERNEL_GZIP is not set -CONFIG_KERNEL_LZMA=y +# CONFIG_KERNEL_LZMA is not set # CONFIG_KERNEL_LZO is not set -# CONFIG_KERNEL_XZ is not set +CONFIG_KERNEL_XZ=y # CONFIG_KEXEC is not set # CONFIG_KEYBOARD_ADP5588 is not set # CONFIG_KEYBOARD_ADP5589 is not set diff --git a/target/linux/generic/patches-3.0/006-arm_kernel_xz_support.patch b/target/linux/generic/patches-3.0/006-arm_kernel_xz_support.patch new file mode 100644 index 000000000..776d175f8 --- /dev/null +++ b/target/linux/generic/patches-3.0/006-arm_kernel_xz_support.patch @@ -0,0 +1,107 @@ +From 2d303b4683145f7dbc918bd14d04e1396581b2ce Mon Sep 17 00:00:00 2001 +From: Imre Kaloz <kaloz@openwrt.org> +Date: Thu, 7 Jul 2011 12:05:21 +0200 +Subject: [PATCH] ARM: support XZ compressed kernels + +Wire up support for the XZ decompressor + +Signed-off-by: Imre Kaloz <kaloz@openwrt.org> +--- + arch/arm/Kconfig | 1 + + arch/arm/boot/compressed/Makefile | 11 +++++++++-- + arch/arm/boot/compressed/decompress.c | 4 ++++ + arch/arm/boot/compressed/piggy.xzkern.S | 6 ++++++ + lib/xz/xz_dec_stream.c | 1 + + 5 files changed, 21 insertions(+), 2 deletions(-) + create mode 100644 arch/arm/boot/compressed/piggy.xzkern.S + +diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig +index c2e5f3d..489fe16 100644 +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -20,6 +20,7 @@ config ARM + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_LZO + select HAVE_KERNEL_LZMA ++ select HAVE_KERNEL_XZ + select HAVE_IRQ_WORK + select HAVE_PERF_EVENTS + select PERF_USE_VMALLOC +diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile +index 23aad07..e5db34e 100644 +--- a/arch/arm/boot/compressed/Makefile ++++ b/arch/arm/boot/compressed/Makefile +@@ -82,13 +82,14 @@ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ + suffix_$(CONFIG_KERNEL_GZIP) = gzip + suffix_$(CONFIG_KERNEL_LZO) = lzo + suffix_$(CONFIG_KERNEL_LZMA) = lzma ++suffix_$(CONFIG_KERNEL_XZ) = xzkern + + targets := vmlinux vmlinux.lds \ + piggy.$(suffix_y) piggy.$(suffix_y).o \ + font.o font.c head.o misc.o $(OBJS) + + # Make sure files are removed during clean +-extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S ++extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern lib1funcs.S ashldi3.S + + ifeq ($(CONFIG_FUNCTION_TRACER),y) + ORIG_CFLAGS := $(KBUILD_CFLAGS) +@@ -133,8 +134,14 @@ bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \ + ( echo "following symbols must have non local/private scope:" >&2; \ + echo "$$bad_syms" >&2; rm -f $@; false ) + ++# For __aeabi_llsl ++ashldi3 = $(obj)/ashldi3.o ++ ++$(obj)/ashldi3.S: $(srctree)/arch/$(SRCARCH)/lib/ashldi3.S FORCE ++ $(call cmd,shipped) ++ + $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ +- $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE ++ $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) $(ashldi3) FORCE + $(call if_changed,ld) + @$(check_for_bad_syms) + +diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c +index 07be5a2..0ecd8b4 100644 +--- a/arch/arm/boot/compressed/decompress.c ++++ b/arch/arm/boot/compressed/decompress.c +@@ -44,6 +44,10 @@ extern void error(char *); + #include "../../../../lib/decompress_unlzma.c" + #endif + ++#ifdef CONFIG_KERNEL_XZ ++#include "../../../../lib/decompress_unxz.c" ++#endif ++ + int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)) + { + return decompress(input, len, NULL, NULL, output, NULL, error); +diff --git a/arch/arm/boot/compressed/piggy.xzkern.S b/arch/arm/boot/compressed/piggy.xzkern.S +new file mode 100644 +index 0000000..5703f30 +--- /dev/null ++++ b/arch/arm/boot/compressed/piggy.xzkern.S +@@ -0,0 +1,6 @@ ++ .section .piggydata,#alloc ++ .globl input_data ++input_data: ++ .incbin "arch/arm/boot/compressed/piggy.xzkern" ++ .globl input_data_end ++input_data_end: +diff --git a/lib/xz/xz_dec_stream.c b/lib/xz/xz_dec_stream.c +index ac809b1..9a60cc2 100644 +--- a/lib/xz/xz_dec_stream.c ++++ b/lib/xz/xz_dec_stream.c +@@ -9,6 +9,7 @@ + + #include "xz_private.h" + #include "xz_stream.h" ++#include <linux/kernel.h> + + /* Hash used to validate the Index field */ + struct xz_dec_hash { +-- +1.7.1 + |