[backfire] targets: rename "files-2.6.x" directories to "files"

[openwrt-10.03/.git] / target / linux / xburst / files / arch / mips / boot / compressed / Makefile

diff --git a/target/linux/xburst/files/arch/mips/boot/compressed/Makefile b/target/linux/xburst/files/arch/mips/boot/compressed/Makefile
new file mode 100644 (file)
index 0000000..90f36e6
--- /dev/null
+++ b/target/linux/xburst/files/arch/mips/boot/compressed/Makefile
@@ -0,0 +1,42 @@
+#
+# linux/arch/mips/boot/compressed/Makefile
+#
+# create a compressed zImage from the original vmlinux
+#
+
+targets                := zImage vmlinuz vmlinux.bin.gz head.o misc.o piggy.o dummy.o
+
+OBJS           := $(obj)/head.o $(obj)/misc.o
+
+LD_ARGS        := -T $(obj)/ld.script -Ttext 0x80600000 -Bstatic
+OBJCOPY_ARGS   := -O elf32-tradlittlemips
+
+ENTRY          := $(obj)/../tools/entry
+FILESIZE       := $(obj)/../tools/filesize
+
+drop-sections  = .reginfo .mdebug .comment .note .pdr .options .MIPS.options
+strip-flags    = $(addprefix --remove-section=,$(drop-sections))
+
+
+$(obj)/vmlinux.bin.gz: vmlinux
+       rm -f $(obj)/vmlinux.bin.gz
+       $(OBJCOPY) -O binary $(strip-flags) vmlinux $(obj)/vmlinux.bin
+       gzip -v9f $(obj)/vmlinux.bin
+
+$(obj)/head.o: $(obj)/head.S $(obj)/vmlinux.bin.gz vmlinux
+       $(CC) $(KBUILD_AFLAGS) \
+       -DIMAGESIZE=$(shell sh $(FILESIZE) $(obj)/vmlinux.bin.gz) \
+       -DKERNEL_ENTRY=$(shell sh $(ENTRY) $(NM) vmlinux ) \
+       -DLOADADDR=$(loadaddr) \
+       -c -o $(obj)/head.o $<
+
+$(obj)/vmlinuz: $(OBJS) $(obj)/ld.script $(obj)/vmlinux.bin.gz $(obj)/dummy.o
+       $(OBJCOPY) \
+               --add-section=.image=$(obj)/vmlinux.bin.gz \
+               --set-section-flags=.image=contents,alloc,load,readonly,data \
+               $(obj)/dummy.o $(obj)/piggy.o
+       $(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/piggy.o
+       $(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr -R .initrd -R .sysmap
+
+zImage: $(obj)/vmlinuz
+       $(OBJCOPY) -O binary $(obj)/vmlinuz $(obj)/zImage