image: fix Linksys image alignment and simplify footer creation

[openwrt/openwrt.git] / include / image-commands.mk

diff --git a/include/image-commands.mk b/include/image-commands.mk
index 0f292d15ee364a173a6ef79a5021af22aebfbbb0..7d9f93fed741053d72574cc02124d849ab65c4b3 100644 (file)
--- a/include/image-commands.mk
+++ b/include/image-commands.mk
@@ -389,10 +389,17 @@ define Build/kernel-bin
 endef
 
 define Build/linksys-image
-       $(TOPDIR)/scripts/linksys-image.sh \
+       let \
+               size="$$(stat -c%s $@)" \
+               pad="$(call exp_units,$(PAGESIZE))" \
+               offset="256" \
+               pad="(pad - ((size + offset) % pad)) % pad"; \
+               dd if=/dev/zero bs=$$pad count=1 | tr '\000' '\377' >> $@
+       printf ".LINKSYS.01000409%-15s%08X%-8s%-16s" \
                "$(call param_get_default,type,$(1),$(DEVICE_NAME))" \
-               $@ $@.new
-               mv $@.new $@
+               "$$(cksum $@ | cut -d ' ' -f1)" \
+               "0" "K0000000F0246434" >> $@
+       dd if=/dev/zero bs=192 count=1 >> $@
 endef
 
 define Build/lzma