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build: add elecom-product-header for ELECOM devices

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A header used in ELECOM WRC-300GHBK2-I and WRC-1750GHBK2-I/C is also
used in ELECOM WRC-2533GHBK-I, so split the code to generate the header
and move it to image-commands.mk to use from ramips target.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Reviewed-by: Sungbo Eo <mans0n@gorani.run>
(cherry picked from commit 0071c7cd82)
This commit is contained in:
INAGAKI Hiroshi 2020-12-11 23:14:03 +09:00 committed by Tianling Shen
parent e9cabadf7c
commit 3e1974b707
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GPG Key ID: 6850B6345C862176
2 changed files with 15 additions and 7 deletions
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12
include/image-commands.mk
View File

@ -328,6 +328,18 @@ define Build/check-size
}
endef
define Build/elecom-product-header
$(eval product=$(word 1,$(1)))
$(eval fw=$(if $(word 2,$(1)),$(word 2,$(1)),$@))
( \
echo -n -e "ELECOM\x00\x00$(product)" | dd bs=40 count=1 conv=sync; \
echo -n "0.00" | dd bs=16 count=1 conv=sync; \
dd if=$(fw); \
) > $(fw).new
mv $(fw).new $(fw)
endef
define Build/linksys-image
$(TOPDIR)/scripts/linksys-image.sh \
"$(call param_get_default,type,$(1),$(DEVICE_NAME))" \

10
target/linux/ath79/image/generic.mk
View File

@ -19,14 +19,10 @@ define Build/add-elecom-factory-initramfs
-f 0x70000 -S 0x01100000 \
-i $@ -o $@.factory
( \
echo -n -e "ELECOM\x00\x00$(product)" | dd bs=40 count=1 conv=sync; \
echo -n "0.00" | dd bs=16 count=1 conv=sync; \
dd if=$@.factory; \
) > $@.factory.new
$(call Build/elecom-product-header,$(product) $@.factory)
if [ "$$(stat -c%s $@.factory.new)" -le $$(($(subst k,* 1024,$(subst m, * 1024k,$(IMAGE_SIZE))))) ]; then \
mv $@.factory.new $(BIN_DIR)/$(KERNEL_INITRAMFS_PREFIX)-factory.bin; \
if [ "$$(stat -c%s $@.factory)" -le $$(($(subst k,* 1024,$(subst m, * 1024k,$(IMAGE_SIZE))))) ]; then \
mv $@.factory $(BIN_DIR)/$(KERNEL_INITRAMFS_PREFIX)-factory.bin; \
else \
echo "WARNING: initramfs kernel image too big, cannot generate factory image" >&2; \
fi