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#
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
JFFS2_BLOCKSIZE=4k
#OBJCOPY=$(TARGET_CROSS)objcopy
COMMA:=,
define mkcmdline
$(if $(1),board=$(1) )$(if $(2),console=$(2)$(COMMA)$(3))
endef
define Image/Prepare
# $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
# $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf2
lzma e $(KDIR)/vmlinux -lc1 -lp2 -pb2 $(KDIR)/vmlinux.lzma
endef
define Image/BuildKernel
$(call Image/BuildLoader,loader-$(SUBTARGET),bin,$(call mkcmdline,$(PROFILE),ttyS0,38400) root=/dev/mtdblock2,${CONFIG_REALTEK_KERNEL_LOAD_ADDRESS},$(shell dd if=$(KDIR)/vmlinux.elf skip=24 bs=1 count=4 conv=swab 2>/dev/null | hexdump -v -e '"0x" 2/2 "%X"'))
cvimg linux $(KDIR)/loader-$(SUBTARGET).bin \
$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-kernel.bin \
${CONFIG_REALTEK_KERNEL_LOAD_ADDRESS} \
${CONFIG_REALTEK_KERNEL_OFFSET}
endef
define Image/Build/jffs2-4k
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).img bs=4k conv=sync
cvimg root $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).img \
$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).bin \
${CONFIG_REALTEK_ROOTFS_OFFSET} \
${CONFIG_REALTEK_ROOTFS_OFFSET}
endef
define Image/Build/squashfs
$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).img bs=4k conv=sync
cvimg root $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).img \
$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).bin \
${CONFIG_REALTEK_ROOTFS_OFFSET} \
${CONFIG_REALTEK_ROOTFS_OFFSET}
endef
BS_KERNEL=$$$$((`printf %d 0x${CONFIG_REALTEK_ROOTFS_OFFSET}`-`printf %d 0x${CONFIG_REALTEK_KERNEL_OFFSET}`))
BS_ROOTFS=$$$$((`printf %d ${CONFIG_REALTEK_FLASH_SIZE}`-`printf %d 0x${CONFIG_REALTEK_ROOTFS_OFFSET}`))
define Image/Build
$(call Image/Build/$(1),$(1))
echo "BS_KERNEL=$(BS_KERNEL)"
echo "BS_ROOTFS=$(BS_ROOTFS)"
( \
dd if=$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-kernel.bin bs=$(BS_KERNEL) conv=sync; \
dd if=$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).img bs=$(BS_ROOTFS) conv=sync; \
) > $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1)-sysupgrade.img
mgbin -c -o $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1)-fw.bin \
$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-$(1).bin \
$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-kernel.bin
endef
LOADER_MAKE := $(NO_TRACE_MAKE) -C lzma-loader KDIR=$(KDIR) LINUX_DIR=$(LINUX_DIR)
define Image/BuildLoader
-rm -rf $(KDIR)/lzma-loader
$(LOADER_MAKE) LOADER=$(1).$(2) KERNEL_CMDLINE="$(3)" \
LZMA_TEXT_START=$(4) LOADADDR=0x80000000 KERNELENTRY=$(5) \
LOADER_DATA="$(KDIR)/vmlinux.lzma" BOARD="$(1)" \
compile loader.$(2)
endef
$(eval $(call BuildImage))
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