target/linux/cns21xx/image/Makefile

   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_uimage,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         cat $(KDIR)/$(call uimage_name,ns-k330) > $(BIN_DIR)/$(call uimage_name,ns-k330)
  65 endef
  66
  67 define Image/Build/Generic
  68         if [ `stat -c%s "$(KDIR)/$(call zimage_name,$(2))"` -gt 1048576 ]; then \
  69                 echo "Warning: $(KDIR)/$(call zimage_name,$(2)) is too big"; \
  70         else if [ `stat -c%s $(KDIR)/root.$(1)` -gt $(3) ]; then \
  71                 echo "Warning: of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) is too big"; \
  72         else \
  73                 cat $(KDIR)/root.$(1) > $(call rootfsname,$(1),$(2)); \
  74                 ( \
  75                         dd if=$(KDIR)/$(call zimage_name,$(2)) bs=1024k conv=sync; \
  76                         dd if=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) \
  77                 ) > $(call imgname,$(1),$(2)).img; \
  78         fi; fi
  79 endef
  80
  81 define Image/Build/uImage
  82         if [ `stat -c%s "$(KDIR)/$(call uimage_name,$(2))"` -gt 1048576 ]; then \
  83                 echo "Warning: $(KDIR)/$(call uimage_name,$(2)) is too big"; \
  84         else if [ `stat -c%s $(KDIR)/root.$(1)` -gt $(3) ]; then \
  85                 echo "Warning: of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) is too big"; \
  86         else \
  87                 cat $(KDIR)/root.$(1) > $(call rootfsname,$(1),$(2)); \
  88                 ( \
  89                         dd if=$(KDIR)/$(call uimage_name,$(2)) bs=1024k conv=sync; \
  90                         dd if=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) \
  91                 ) > $(call imgname,$(1),$(2))-uImage.img; \
  92         fi; fi
  93 endef
  94
  95 define Image/Build/NSB3AST
  96         $(call Image/Build/Generic,$(1),nsb3ast,7077888)
  97 endef
  98
  99 define Image/Build/NSK330
 100         $(call Image/Build/Generic,$(1),ns-k330,2686976)
 101         $(call Image/Build/uImage,$(1),ns-k330,2686976)
 102 endef
 103
 104 define Image/Build/squashfs
 105         $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 106
 107         $(call build_squashfs,64k)
 108         $(call Image/Build/NSB3AST,squashfs-64k)
 109         $(call Image/Build/NSK330,squashfs-64k)
 110 endef
 111
 112 define Image/Build/jffs2-64k
 113         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=64k conv=sync
 114 endef
 115
 116 define Image/Build
 117         $(call Image/Build/$(1),$(1))
 118 endef
 119
 120 $(eval $(call BuildImage))