[ar71xx] don't generate too large firmware images for the TEW-6x2BRP boards, they...

 * reported by RoundSparrow

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13878 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index 0443995..fea4691 100644 (file)
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -40,16 +40,22 @@ define Image/Build/AP81
        cp $(KDIR)/vmlinux $(KDIR)/vmlinux-$(2)
        $(STAGING_DIR_HOST)/bin/patch-cmdline $(KDIR)/vmlinux-$(2) '$(strip $(3))'
        $(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/vmlinux-$(2) $(KDIR)/vmlinux-$(2).bin.lzma
-       mkimage -A mips -O linux -T kernel -a 0x80060000 -C lzma -e \
-               0x80060000 \
-               -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
-               -d $(KDIR)/vmlinux-$(2).bin.lzma $(KDIR)/vmlinux-$(2).uImage
-       ( \
-               dd if=$(KDIR)/vmlinux-$(2).uImage bs=768k conv=sync; \
-               dd if=$(KDIR)/root.$(1) bs=3008k conv=sync; \
-       ) > $(call imgname,$(1),$(2)).bin
-       cp $(call imgname,$(1),$(2)).bin $(call imgname,$(1),$(2)).webui
-       echo -n $(4) >> $(call imgname,$(1),$(2)).webui
+       if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt 786432 ]; then \
+               echo "Warning: $(KDIR)/vmlinux-$(2).bin.lzma is too big"; \
+       else if [ `stat -c%s $(KDIR)/root.$(1)` -gt 3080192 ]; then \
+               echo "Warning: $(KDIR)/root.$(1) is too big"; \
+       else \
+               mkimage -A mips -O linux -T kernel -a 0x80060000 -C lzma -e \
+                       0x80060000 \
+                       -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
+                       -d $(KDIR)/vmlinux-$(2).bin.lzma $(KDIR)/vmlinux-$(2).uImage; \
+               ( \
+                       dd if=$(KDIR)/vmlinux-$(2).uImage bs=768k conv=sync; \
+                       dd if=$(KDIR)/root.$(1) bs=3008k conv=sync; \
+               ) > $(call imgname,$(1),$(2)).bin; \
+               cp $(call imgname,$(1),$(2)).bin $(call imgname,$(1),$(2)).webui; \
+               echo -n $(4) >> $(call imgname,$(1),$(2)).webui; \
+       fi; fi
 endef
 
 define Image/Build/MyLoader