malta: build lzma and gzip compressed uImages

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35117 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/malta/image/Makefile b/target/linux/malta/image/Makefile
index b09bfa3..c0e520f 100644 (file)
--- a/target/linux/malta/image/Makefile
+++ b/target/linux/malta/image/Makefile
@@ -7,8 +7,30 @@
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
+define get_kernel_entry
+0x$(shell $(TARGET_CROSS)nm $(1) 2>/dev/null | grep " kernel_entry" | cut -f1 -d ' ')
+endef
+
+define CompressLzma
+  $(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
+endef
+
+define CompressGzip
+       gzip -9 -c $(1) > $(2)
+endef
+
+define MkuImage
+       mkimage -A mips -O linux -T kernel -a 0x80100000 -C $(1) $(2) \
+               -e $(call get_kernel_entry,$(LINUX_DIR)/vmlinux) -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
+               -d $(3) $(4)
+endef
+
 define Image/BuildKernel
        cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
+       $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
+       $(call MkuImage,lzma,,$(KDIR)/vmlinux.bin.lzma,$(BIN_DIR)/$(IMG_PREFIX)-uImage-lzma)
+       $(call CompressGzip,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.gz)
+       $(call MkuImage,gzip,,$(KDIR)/vmlinux.bin.gz,$(BIN_DIR)/$(IMG_PREFIX)-uImage-gzip)
 endef
 
 define Image/Build/squashfs