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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
include $(INCLUDE_DIR)/kernel.mk
LOADADDR = 0x81000000 # RAM start + 16M
KERNEL_ENTRY = 0x80101000
RAMSIZE = 0x00100000 # 1MB
IMAGE_COPY = 1
LOADER_MAKEOPTS= \
KDIR=$(KDIR) \
LOADADDR=$(LOADADDR) \
KERNEL_ENTRY=$(KERNEL_ENTRY) \
RAMSIZE=$(RAMSIZE) \
IMAGE_COPY=$(IMAGE_COPY)
define Build/Clean
$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
endef
define Image/Prepare
cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
endef
define Image/BuildKernel
$(CP) $(KDIR)/loader.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
endef
define Image/cmdline/jffs2-64k
block2mtd.block2mtd=/dev/cfa2,65536 root=/dev/mtdblock0 rootfstype=jffs2 init=/etc/preinit
endef
define Image/cmdline/jffs2-128k
block2mtd.block2mtd=/dev/cfa2,131072 root=/dev/mtdblock0 rootfstype=jffs2 init=/etc/preinit
endef
define Image/cmdline/ext2
root=/dev/cfa2 rootfstype=ext2 init=/etc/preinit
endef
define Image/cmdline/squashfs
block2mtd.block2mtd=/dev/cfa2,65536 root=/dev/mtdblock0 rootfstype=squashfs init=/etc/preinit
endef
# TGZ images should be used with a yaffs2 rootfs
define Image/cmdline/tgz
root=/dev/mtdblock1 rootfstype=yaffs2 init=/etc/preinit
endef
define Image/Build
$(STAGING_DIR)/bin/patch-cmdline $(KDIR)/vmlinux.elf '$(strip $(call Image/cmdline/$(1))) '
ifneq ($(1),tgz)
./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin 4 $(KDIR)/vmlinux.elf $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
endif
endef
$(eval $(call BuildImage))
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