target/linux/rb532-2.6/image/Makefile

   1 #
   2 # Copyright (C) 2006 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 include $(INCLUDE_DIR)/image.mk
   9 include $(INCLUDE_DIR)/kernel.mk
  10
  11 LOADADDR = 0x81000000           # RAM start + 16M
  12 KERNEL_ENTRY = 0x80101000
  13 RAMSIZE = 0x00100000            # 1MB
  14 IMAGE_COPY = 1
  15
  16 LOADER_MAKEOPTS= \
  17                 KDIR=$(KDIR) \
  18                 LOADADDR=$(LOADADDR) \
  19                 KERNEL_ENTRY=$(KERNEL_ENTRY) \
  20                 RAMSIZE=$(RAMSIZE) \
  21                 IMAGE_COPY=$(IMAGE_COPY)
  22
  23 define Build/Clean
  24         $(MAKE) -C ../../generic-2.6/image/lzma-loader $(LOADER_MAKEOPTS) clean
  25 endef
  26
  27 CMDLINE_SIZE=512
  28 CMDLINE_OFFSET=4112
  29
  30 define Image/Prepare
  31         echo 'root=/dev/cfa2 ' | \
  32                 dd bs=$(CMDLINE_SIZE) count=1 conv=sync | \
  33                 dd of=$(LINUX_DIR)/vmlinux bs=$(CMDLINE_OFFSET) conv=notrunc seek=1
  34         $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
  35 endef
  36
  37 define Image/BuildKernel
  38         cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
  39         $(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean compile
  40         $(CP) $(KDIR)/loader.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
  41 endef
  42
  43 PARTITION1=\x80\x01\x01\x00\x27\x01\x20\x7b\x20\x00\x00\x00\xe0\x1e\x00\x00# 4 MB  (kernel part)
  44 PARTITION2=\x00\x00\x01\x7c\x83\x01\xa0\x64\x00\x1f\x00\x00\x40\x7a\x00\x00# 16 MB (rootfs part)
  45
  46 define Image/cmdline/jffs2-64k
  47 block2mtd.block2mtd=/dev/cfa2,65536 root=/dev/mtdblock0 rootfstype=jffs2
  48 endef
  49
  50 define Image/cmdline/jffs2-128k
  51 block2mtd.block2mtd=/dev/cfa2,131072 root=/dev/mtdblock0 rootfstype=jffs2
  52 endef
  53
  54 define Image/cmdline/ext2
  55 root=/dev/cfa2 rootfstype=ext2
  56 endef
  57
  58 define Image/Build
  59         echo '$(strip $(call Image/cmdline/$(1))) ' | \
  60                 dd bs=$(CMDLINE_SIZE) count=1 conv=sync | \
  61                 dd of=$(LINUX_DIR)/vmlinux bs=$(CMDLINE_OFFSET) conv=notrunc seek=1
  62         ( \
  63                 echo -ne OWRT | dd bs=$$$$((0x1be)) conv=sync; \
  64                 ( \
  65                         echo -ne '$(strip $(PARTITION1))'; \
  66                         echo -ne '$(strip $(PARTITION2))'; \
  67                 ) | dd bs=$$$$((0x40)) conv=sync; \
  68                 echo -ne '\x55\xaa'; \
  69                 dd if=/dev/zero bs=$$$$((0x3e00)) conv=sync count=1; \
  70                 dd if=$(LINUX_DIR)/vmlinux bs=$$$$((0x3dc000)) conv=sync; \
  71                 cat $(KDIR)/root.$(1); \
  72                 echo -ne '\xde\xad\xc0\xde'; \
  73         ) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
  74 endef
  75
  76 $(eval $(call BuildImage))