mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-27 13:03:01 +02:00
97 lines
3.0 KiB
Diff
97 lines
3.0 KiB
Diff
|
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
|
||
|
|
|
||
|
|
--- a/arch/arm/Kconfig
|
||
|
|
+++ b/arch/arm/Kconfig
|
||
|
|
@@ -21,6 +21,7 @@ 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
|
||
|
|
--- a/arch/arm/boot/compressed/Makefile
|
||
|
|
+++ b/arch/arm/boot/compressed/Makefile
|
||
|
|
@@ -92,6 +92,7 @@ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/
|
||
|
|
suffix_$(CONFIG_KERNEL_GZIP) = gzip
|
||
|
|
suffix_$(CONFIG_KERNEL_LZO) = lzo
|
||
|
|
suffix_$(CONFIG_KERNEL_LZMA) = lzma
|
||
|
|
+suffix_$(CONFIG_KERNEL_XZ) = xzkern
|
||
|
|
|
||
|
|
# Borrowed libfdt files for the ATAG compatibility mode
|
||
|
|
|
||
|
|
@@ -115,7 +116,7 @@ targets := vmlinux vmlinux.lds \
|
||
|
|
lib1funcs.o lib1funcs.S 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 $(libfdt) $(libfdt_hdrs)
|
||
|
|
+extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern lib1funcs.S ashldi3.S $(libfdt) $(libfdt_hdrs)
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_FUNCTION_TRACER),y)
|
||
|
|
ORIG_CFLAGS := $(KBUILD_CFLAGS)
|
||
|
|
@@ -171,8 +172,14 @@ if [ $(words $(ZRELADDR)) -gt 1 -a "$(CO
|
||
|
|
false; \
|
||
|
|
fi
|
||
|
|
|
||
|
|
+# 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) $(ashldi3) FORCE
|
||
|
|
@$(check_for_multiple_zreladdr)
|
||
|
|
$(call if_changed,ld)
|
||
|
|
@$(check_for_bad_syms)
|
||
|
|
--- a/arch/arm/boot/compressed/decompress.c
|
||
|
|
+++ b/arch/arm/boot/compressed/decompress.c
|
||
|
|
@@ -44,6 +44,12 @@ extern void error(char *);
|
||
|
|
#include "../../../../lib/decompress_unlzma.c"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
+#ifdef CONFIG_KERNEL_XZ
|
||
|
|
+#define memmove memmove
|
||
|
|
+#define memcpy memcpy
|
||
|
|
+#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);
|
||
|
|
--- /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:
|
||
|
|
--- 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 {
|