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#
7include $(TOPDIR)/rules.mk
8include $(INCLUDE_DIR)/image.mk
9
10LOADADDR = 0x81000000		# RAM start + 16M
11KERNEL_ENTRY = 0x80101000
12RAMSIZE = 0x00100000		# 1MB
13IMAGE_COPY = 1
14
15LOADER_MAKEOPTS= \
16		KDIR=$(KDIR) \
17		LOADADDR=$(LOADADDR) \
18		KERNEL_ENTRY=$(KERNEL_ENTRY) \
19		RAMSIZE=$(RAMSIZE) \
20		IMAGE_COPY=$(IMAGE_COPY)
21
22define Build/Clean
23	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
24endef
25
26define Image/Prepare
27	cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
28	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
29ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
30	$(STAGING_DIR_HOST)/bin/patch-cmdline $(KDIR)/vmlinux-initramfs '$(strip $(call Image/cmdline/yaffs2)) '
31	cat $(KDIR)/vmlinux-initramfs | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux-initramfs.lzma
32	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
33	$(CP) $(KDIR)/loader.elf $(KDIR)/loader-initramfs.elf
34endif
35endef
36
37VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux-kernel
38
39define Image/BuildKernel
40	$(CP) $(KDIR)/loader.elf $(VMLINUX)
41ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
42	$(CP) $(KDIR)/loader-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs
43endif
44endef
45
46define Image/cmdline/jffs2-64k
47block2mtd.block2mtd=/dev/sda2,65536 root=/dev/mtdblock2 rootfstype=jffs2
48endef
49
50define Image/cmdline/jffs2-128k
51block2mtd.block2mtd=/dev/sda2,131072 root=/dev/mtdblock2 rootfstype=jffs2
52endef
53
54define Image/cmdline/ext4
55root=/dev/sda2 rootfstype=ext4
56endef
57
58define Image/cmdline/squashfs
59block2mtd.block2mtd=/dev/sda2,65536,rootfs root=/dev/mtdblock2 rootfstype=squashfs
60endef
61
62define Image/cmdline/yaffs2
63root=/dev/mtdblock1 rootfstype=yaffs2
64endef
65
66define Image/Build/squashfs
67	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
68endef
69
70define Image/Build
71	$(call Image/Build/$(1),$(1))
72	$(CP) $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel
73	$(STAGING_DIR_HOST)/bin/patch-cmdline $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel '$(strip $(call Image/cmdline/$(1))) '
74	./gen_image.sh $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).bin \
75		5 $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel \
76		$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
77		128
78endef
79
80$(eval $(call BuildImage))
81