1# 
2# Copyright (C) 2006-2010 OpenWrt.org
3#
4# This is free software, licensed under the GNU General Public License v2.
5# See /LICENSE for more information.
6#
7
8JFFS2_BLOCKSIZE = 128k
9
10include $(TOPDIR)/rules.mk
11include $(INCLUDE_DIR)/image.mk
12
13LOADADDR = 0x81000000		# RAM start + 16M 
14KERNEL_ENTRY = 0x80100000
15RAMSIZE = 0x00100000		# 1MB
16
17FLASH_KERNEL := 0xBFD00000
18FLASH_FS     := 0xBE000000
19
20LOADER_MAKEOPTS= \
21		KDIR=$(KDIR) \
22		LOADADDR=$(LOADADDR) \
23		KERNEL_ENTRY=$(KERNEL_ENTRY) \
24		RAMSIZE=$(RAMSIZE)
25
26define Build/Clean
27	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
28endef
29
30DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
31OBJCOPY_SREC := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
32OBJCOPY_BIN := $(TARGET_CROSS)objcopy -S -O binary $(addprefix --remove-section=,$(DROP_SECTIONS))
33
34define Image/Prepare
35	cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
36
37	# Build RAM image
38	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
39		$(LOADER_MAKEOPTS) \
40		clean compile
41	$(OBJCOPY_SREC) $(KDIR)/loader.elf $(KDIR)/kernel.ram.srec
42
43	# Build Flash image
44	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
45		$(LOADER_MAKEOPTS) \
46		IMAGE_COPY=1 \
47		LOADER_ENTRY=$(FLASH_KERNEL) \
48		LOADER_TYPE=_flash \
49		clean compile
50	$(OBJCOPY_SREC) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.srec
51	$(OBJCOPY_BIN) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.bin
52endef
53
54define Image/Build/Initramfs
55	$(OBJCOPY_SREC) $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.srec
56endef
57
58define Image/Build
59	$(SCRIPT_DIR)/srecimage.pl $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec $(FLASH_FS)
60	grep -v S7 $(KDIR)/root.$(1).srec > $(BIN_DIR)/$(IMG_PREFIX)-$(1).srec
61	grep -v S0 $(KDIR)/kernel.flash.srec >> $(BIN_DIR)/$(IMG_PREFIX)-$(1).srec
62	$(INSTALL_BIN) $(KDIR)/kernel.flash.bin $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.bin
63	$(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).fs
64	$(CP) $(KDIR)/kernel.flash.srec $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-flash.srec
65	$(CP) $(KDIR)/kernel.ram.srec $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-ram.srec
66	$(CP) $(BIN_DIR)/$(IMG_PREFIX)-$(1).fs $(TMP_DIR)/$(IMG_PREFIX)-root.fs
67	tar -C $(BIN_DIR) -cvzf $(BIN_DIR)/$(IMG_PREFIX)-$(1)-sysupgrade.bin \
68		$(IMG_PREFIX)-vmlinux.bin -C $(TMP_DIR) $(IMG_PREFIX)-root.fs
69ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
70	$(call Image/Build/Initramfs)
71endif
72endef
73
74$(eval $(call BuildImage))
75