| 1 | # |
| 2 | # Copyright (C) 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 | include $(TOPDIR)/rules.mk |
| 8 | |
| 9 | JFFS2_BLOCKSIZE:=64k |
| 10 | |
| 11 | include $(INCLUDE_DIR)/image.mk |
| 12 | |
| 13 | INITRAMFS_SUFFIX:= |
| 14 | |
| 15 | ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) |
| 16 | INITRAMFS_SUFFIX:=-initramfs |
| 17 | endif |
| 18 | |
| 19 | define zimage_name |
| 20 | $(IMG_PREFIX)-$(1)-zImage$(INITRAMFS_SUFFIX) |
| 21 | endef |
| 22 | |
| 23 | define uimage_name |
| 24 | $(IMG_PREFIX)-$(1)-uImage$(INITRAMFS_SUFFIX) |
| 25 | endef |
| 26 | |
| 27 | define imgname |
| 28 | $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1))) |
| 29 | endef |
| 30 | |
| 31 | define rootfsname |
| 32 | $(BIN_DIR)/$(IMG_PREFIX)-$(2)-root.$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1))) |
| 33 | endef |
| 34 | |
| 35 | define build_squashfs |
| 36 | dd if=$(KDIR)/root.squashfs of=$(KDIR)/root.squashfs-$(1) bs=$(1) conv=sync |
| 37 | $(call add_jffs2_mark,$(KDIR)/root.squashfs-$(1)) |
| 38 | dd if=$(KDIR)/root.squashfs-$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.squashfs-$(1) bs=$(1) conv=sync |
| 39 | endef |
| 40 | |
| 41 | define prepare_zimage |
| 42 | echo -en "\x$(2)\x1c\xa0\xe3\x$(3)\x10\x81\xe3" > $(KDIR)/$(call zimage_name,$(1)) |
| 43 | cat $(LINUX_DIR)/arch/arm/boot/zImage >> $(KDIR)/$(call zimage_name,$(1)) |
| 44 | endef |
| 45 | |
| 46 | define prepare_uimage |
| 47 | $(call prepare_zimage,$(1),$(2),$(3)) |
| 48 | mkimage -A arm -O linux -T kernel -a 0x100000 -e 0x100000 -C none \ |
| 49 | -n 'OpenWrt Linux-$(LINUX_VERSION)' \ |
| 50 | -d $(KDIR)/$(call zimage_name,$(1)) \ |
| 51 | $(KDIR)/$(call uimage_name,$(1)) |
| 52 | endef |
| 53 | |
| 54 | define Image/Prepare |
| 55 | # NSB3AST : mach id 2917 (0xb65) |
| 56 | $(call prepare_zimage,nsb3ast,0b,65) |
| 57 | # NS-K330 : mach id 3108 (0xc24) |
| 58 | $(call prepare_zimage,ns-k330,0c,24) |
| 59 | endef |
| 60 | |
| 61 | define Image/BuildKernel |
| 62 | cat $(KDIR)/$(call zimage_name,nsb3ast) > $(BIN_DIR)/$(call zimage_name,nsb3ast) |
| 63 | cat $(KDIR)/$(call zimage_name,ns-k330) > $(BIN_DIR)/$(call zimage_name,ns-k330) |
| 64 | endef |
| 65 | |
| 66 | define Image/Build/Generic |
| 67 | if [ `stat -c%s "$(KDIR)/$(call zimage_name,$(2))"` -gt 1048576 ]; then \ |
| 68 | echo "Warning: $(KDIR)/$(call zimage_name,$(2)) is too big"; \ |
| 69 | else if [ `stat -c%s $(KDIR)/root.$(1)` -gt $(3) ]; then \ |
| 70 | echo "Warning: of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) is too big"; \ |
| 71 | else \ |
| 72 | cat $(KDIR)/root.$(1) > $(call rootfsname,$(1),$(2)); \ |
| 73 | ( \ |
| 74 | dd if=$(KDIR)/$(call zimage_name,$(2)) bs=1024k conv=sync; \ |
| 75 | dd if=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) \ |
| 76 | ) > $(call imgname,$(1),$(2)).img; \ |
| 77 | fi; fi |
| 78 | endef |
| 79 | |
| 80 | define Image/Build/uImage |
| 81 | if [ `stat -c%s "$(KDIR)/$(call uimage_name,$(2))"` -gt 1048576 ]; then \ |
| 82 | echo "Warning: $(KDIR)/$(call uimage_name,$(2)) is too big"; \ |
| 83 | else if [ `stat -c%s $(KDIR)/root.$(1)` -gt $(3) ]; then \ |
| 84 | echo "Warning: of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) is too big"; \ |
| 85 | else \ |
| 86 | cat $(KDIR)/root.$(1) > $(call rootfsname,$(1),$(2)); \ |
| 87 | ( \ |
| 88 | dd if=$(KDIR)/$(call uimage_name,$(2)) bs=1024k conv=sync; \ |
| 89 | dd if=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) \ |
| 90 | ) > $(call imgname,$(1),$(2))-uImage.img; \ |
| 91 | fi; fi |
| 92 | endef |
| 93 | |
| 94 | define Image/Build/NSB3AST |
| 95 | $(call Image/Build/Generic,$(1),nsb3ast,7077888) |
| 96 | endef |
| 97 | |
| 98 | define Image/Build/NSK330 |
| 99 | $(call Image/Build/Generic,$(1),ns-k330,2686976) |
| 100 | endef |
| 101 | |
| 102 | define Image/Build/squashfs |
| 103 | $(call prepare_generic_squashfs,$(KDIR)/root.squashfs) |
| 104 | |
| 105 | $(call build_squashfs,64k) |
| 106 | $(call Image/Build/NSB3AST,squashfs-64k) |
| 107 | $(call Image/Build/NSK330,squashfs-64k) |
| 108 | endef |
| 109 | |
| 110 | define Image/Build/jffs2-64k |
| 111 | dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=64k conv=sync |
| 112 | endef |
| 113 | |
| 114 | define Image/Build |
| 115 | $(call Image/Build/$(1),$(1)) |
| 116 | endef |
| 117 | |
| 118 | $(eval $(call BuildImage)) |
| 119 | |
