46 lines
1.3 KiB
Makefile
46 lines
1.3 KiB
Makefile
#
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# Copyright (C) 2010 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 $(INCLUDE_DIR)/image.mk
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define get_kernel_entry
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0x$(shell $(TARGET_CROSS)nm $(1) 2>/dev/null | grep " kernel_entry" | cut -f1 -d ' ')
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endef
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define CompressLzma
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$(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
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endef
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define CompressGzip
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gzip -9 -c $(1) > $(2)
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endef
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define MkuImage
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mkimage -A mips -O linux -T kernel -a 0x80100000 -C $(1) $(2) \
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-e $(call get_kernel_entry,$(LINUX_DIR)/vmlinux) -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
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-d $(3) $(4)
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endef
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define Image/BuildKernel
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cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
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$(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
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$(call MkuImage,lzma,,$(KDIR)/vmlinux.bin.lzma,$(BIN_DIR)/$(IMG_PREFIX)-uImage-lzma)
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$(call CompressGzip,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.gz)
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$(call MkuImage,gzip,,$(KDIR)/vmlinux.bin.gz,$(BIN_DIR)/$(IMG_PREFIX)-uImage-gzip)
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endef
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define Image/Build/squashfs
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$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
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endef
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define Image/Build
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$(call Image/Build/$(1))
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dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
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endef
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$(eval $(call BuildImage))
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