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#
# Copyright (C) 2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
define get_kernel_entry
0x$(shell $(TARGET_CROSS)nm $(1) 2>/dev/null | grep " kernel_entry" | cut -f1 -d ' ')
endef
define CompressLzma
$(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
endef
define CompressGzip
gzip -9 -c $(1) > $(2)
endef
define MkuImage
mkimage -A mips -O linux -T kernel -a 0x80100000 -C $(1) $(2) \
-e $(call get_kernel_entry,$(KDIR)/vmlinux.debug) -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
-d $(3) $(4)
endef
define Image/BuildKernel
cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
$(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
$(call MkuImage,lzma,,$(KDIR)/vmlinux.bin.lzma,$(BIN_DIR)/$(IMG_PREFIX)-uImage-lzma)
$(call CompressGzip,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.gz)
$(call MkuImage,gzip,,$(KDIR)/vmlinux.bin.gz,$(BIN_DIR)/$(IMG_PREFIX)-uImage-gzip)
endef
define Image/Build/squashfs
$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
endef
define Image/Build
$(call Image/Build/$(1))
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
endef
$(eval $(call BuildImage))
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