openwrtv3/target/linux/rdc/patches-2.6.24/600-x86_lzma.patch

--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -166,4 +166,9 @@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS)
 quiet_cmd_gzip = GZIP    $@
 cmd_gzip = gzip -f -9 < $< > $@
 
-
+# LZMA
+#
+quiet_cmd_lzma = LZMA $@
+cmd_lzma = bash -e scripts/lzma_kern $< $@ -lc7 -lp0 -pb0
+# to use lzmacomp,
+# cmd_lzma = lzmacomp $< 700 > $@
--- /dev/null
+++ b/scripts/lzma_kern
@@ -0,0 +1,4 @@
+get-size() { echo "$5" ;}
+printf -v len '%.8x' "$(get-size $(ls -l "$1"))"
+lzma e "$@"
+echo -ne "\x$(echo $len | cut -c 7,8)\x$(echo $len | cut -c 5,6)\x$(echo $len | cut -c 3,4)\x$(echo $len | cut -c 1,2)" >> "$2"
--- a/arch/x86/boot/compressed/Makefile_32
+++ b/arch/x86/boot/compressed/Makefile_32
@@ -4,8 +4,8 @@
 # create a compressed vmlinux image from the original vmlinux
 #
 
-targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head_32.o misc_32.o piggy.o \
-			vmlinux.bin.all vmlinux.relocs
+targets		:= vmlinux vmlinux.bin vmlinux.bin.lzma head_32.o piggy.o \
+			vmlinux.bin.all vmlinux.relocs lzma_misc.o
 EXTRA_AFLAGS	:= -traditional
 
 LDFLAGS_vmlinux := -T
@@ -17,7 +17,7 @@ KBUILD_CFLAGS  := -m32 -D__KERNEL__ $(LI
 	   $(call cc-option,-fno-stack-protector)
 LDFLAGS := -m elf_i386
 
-$(obj)/vmlinux: $(src)/vmlinux_32.lds $(obj)/head_32.o $(obj)/misc_32.o $(obj)/piggy.o FORCE
+$(obj)/vmlinux: $(src)/vmlinux_32.lds $(obj)/head_32.o $(obj)/lzma_misc.o $(obj)/piggy.o FORCE
 	$(call if_changed,ld)
 	@:
 
@@ -37,14 +37,14 @@ $(obj)/vmlinux.bin.all: $(vmlinux.bin.al
 	$(call if_changed,relocbin)
 
 ifdef CONFIG_RELOCATABLE
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
-	$(call if_changed,gzip)
+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE
+	$(call if_changed,lzma)
 else
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,gzip)
+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,lzma)
 endif
 
 LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
 
-$(obj)/piggy.o: $(src)/vmlinux_32.scr $(obj)/vmlinux.bin.gz FORCE
+$(obj)/piggy.o: $(src)/vmlinux_32.scr $(obj)/vmlinux.bin.lzma FORCE
 	$(call if_changed,ld)