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#
# Copyright (C) 2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
define Image/Prepare
$(CP) $(DTS_DIR)/*.dtb $(KDIR)/
rm -f $(KDIR)/fs_mark
echo -ne '\xde\xad\xc0\xde' > $(KDIR)/fs_mark
$(call prepare_generic_squashfs,$(KDIR)/fs_mark)
# For UBI we want only one extra block
rm -f $(KDIR)/ubi_mark
echo -ne '\xde\xad\xc0\xde' > $(KDIR)/ubi_mark
$(CP) ./ubinize.cfg $(KDIR)
endef
define Build/append-dtb
cat $(KDIR)/$(DT).dtb >> $@
endef
define Build/lzma-d16
$(STAGING_DIR_HOST)/bin/lzma e $@ -d16 $(1) $@.new
@mv $@.new $@
endef
define Build/mkfs/squashfs
( cd $(KDIR); $(STAGING_DIR_HOST)/bin/ubinize -p 128KiB -m 2048 -o $(KDIR)/root-block-0x20000-min-0x800.ubi ubinize.cfg )
endef
define Build/trx-serial
$(STAGING_DIR_HOST)/bin/trx \
-o $@ \
-f $(word 1,$^) -a 1024 \
-f $(KDIR)/root.squashfs -a 0x10000 -A $(KDIR)/fs_mark
endef
define Build/trx-nand
# kernel: always use 4 MiB (-28 B or TRX header) to allow upgrades even
# if it grows up between releases
# root: UBI with one extra block containing UBI mark to trigger erasing
# rest of partition
$(STAGING_DIR_HOST)/bin/trx \
-o $@ \
-m 33554432 \
-f $(word 1,$^) -a 0x20000 -b 0x400000 \
-f $(KDIR)/root-block-0x20000-min-0x800.ubi \
-A $(KDIR)/ubi_mark -a 0x20000
endef
define Build/netgear-chk
$(STAGING_DIR_HOST)/bin/mkchkimg \
-o $@.new -k $@ -b $(BOARD_ID) -r $(REGION)
mv $@.new $@
endef
DEVICE_VARS += DT BOARD_ID REGION
define Device/Default
# .dtb files are prefixed by SoC type, e.g. bcm4708- which is not included in device/image names
# extract the full dtb name based on the device info
DT := $(patsubst %.dtb,%,$(notdir $(wildcard $(if $(IB),$(KDIR),$(DTS_DIR))/*-$(1).dtb)))
KERNEL := kernel-bin | append-dtb | lzma-d16
FILESYSTEMS := squashfs
KERNEL_NAME := zImage
IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1).$$(2)
IMAGES := trx
IMAGE/trx := trx-nand
endef
define Device/netgear
IMAGES := chk
IMAGE/chk := trx-nand | netgear-chk
REGION := 1
endef
define Device/netgear-r6250
$(Device/netgear)
BOARD_ID := U12H245T00_NETGEAR
endef
define Device/netgear-r6300-v2
$(Device/netgear)
BOARD_ID := U12H240T00_NETGEAR
endef
define Device/netgear-r8000
$(Device/netgear)
BOARD_ID := U12H315T00_NETGEAR
endef
TARGET_DEVICES += \
asus-rt-ac56u asus-rt-ac68u asus-rt-ac87u asus-rt-n18u \
netgear-r6250 netgear-r6300-v2 netgear-r8000 \
buffalo-wzr-1750dhp buffalo-wzr-600dhp2 buffalo-wzr-900dhp \
buffalo-wxr-1900dhp
$(eval $(call BuildImage))
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