76 lines
2.3 KiB
Makefile
76 lines
2.3 KiB
Makefile
#
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# Copyright (C) 2006 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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include $(INCLUDE_DIR)/kernel.mk
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LOADADDR = 0x81000000 # RAM start + 16M
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KERNEL_ENTRY = 0x80101000
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RAMSIZE = 0x00100000 # 1MB
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IMAGE_COPY = 1
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LOADER_MAKEOPTS= \
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KDIR=$(KDIR) \
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LOADADDR=$(LOADADDR) \
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KERNEL_ENTRY=$(KERNEL_ENTRY) \
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RAMSIZE=$(RAMSIZE) \
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IMAGE_COPY=$(IMAGE_COPY)
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define Build/Clean
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$(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean
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endef
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CMDLINE_SIZE=512
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CMDLINE_OFFSET=4112
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define Image/Prepare
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echo 'root=/dev/cfa2 ' | \
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dd bs=$(CMDLINE_SIZE) count=1 conv=sync | \
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dd of=$(LINUX_DIR)/vmlinux bs=$(CMDLINE_OFFSET) conv=notrunc seek=1
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$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
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endef
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define Image/BuildKernel
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cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
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$(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean compile
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$(CP) $(KDIR)/loader.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
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endef
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PARTITION1=\x80\x01\x01\x00\x27\x01\x20\x7b\x20\x00\x00\x00\xe0\x1e\x00\x00# 4 MB (kernel part)
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PARTITION2=\x00\x00\x01\x7c\x83\x01\xa0\x64\x00\x1f\x00\x00\x40\x7a\x00\x00# 16 MB (rootfs part)
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define Image/cmdline/jffs2-64k
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block2mtd.block2mtd=/dev/cfa2,65536 root=/dev/mtdblock0 rootfstype=jffs2
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endef
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define Image/cmdline/jffs2-128k
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block2mtd.block2mtd=/dev/cfa2,131072 root=/dev/mtdblock0 rootfstype=jffs2
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endef
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define Image/cmdline/ext2
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root=/dev/cfa2 rootfstype=ext2
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endef
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define Image/Build
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echo '$(strip $(call Image/cmdline/$(1))) ' | \
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dd bs=$(CMDLINE_SIZE) count=1 conv=sync | \
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dd of=$(LINUX_DIR)/vmlinux bs=$(CMDLINE_OFFSET) conv=notrunc seek=1
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( \
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echo -ne OWRT | dd bs=$$$$((0x1be)) conv=sync; \
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( \
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echo -ne '$(strip $(PARTITION1))'; \
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echo -ne '$(strip $(PARTITION2))'; \
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) | dd bs=$$$$((0x40)) conv=sync; \
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echo -ne '\x55\xaa'; \
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dd if=/dev/zero bs=$$$$((0x3e00)) conv=sync count=1; \
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dd if=$(LINUX_DIR)/vmlinux bs=$$$$((0x3dc000)) conv=sync; \
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cat $(KDIR)/root.$(1); \
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echo -ne '\xde\xad\xc0\xde'; \
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) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
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endef
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$(eval $(call BuildImage))
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