target/linux/au1000/image/Makefile

   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 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9
  10 LOADADDR = 0x81000000           # RAM start + 16M
  11 KERNEL_ENTRY = 0x80100000
  12 RAMSIZE = 0x00100000            # 1MB
  13
  14 JFFS2_BLOCKSIZE = 128k
  15
  16 FLASH_KERNEL := 0xBFD00000
  17 FLASH_FS     := 0xBE000000
  18
  19 LOADER_MAKEOPTS= \
  20                 KDIR=$(KDIR) \
  21                 LOADADDR=$(LOADADDR) \
  22                 KERNEL_ENTRY=$(KERNEL_ENTRY) \
  23                 RAMSIZE=$(RAMSIZE)
  24
  25 define Build/Clean
  26         $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
  27 endef
  28
  29 DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
  30 OBJCOPY_SREC := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
  31 OBJCOPY_BIN := $(TARGET_CROSS)objcopy -S -O binary $(addprefix --remove-section=,$(DROP_SECTIONS))
  32
  33 define Image/Prepare
  34         cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
  35
  36         # Build RAM image
  37         $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
  38                 $(LOADER_MAKEOPTS) \
  39                 clean compile
  40         $(OBJCOPY_SREC) $(KDIR)/loader.elf $(KDIR)/kernel.ram.srec
  41
  42         # Build Flash image
  43         $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
  44                 $(LOADER_MAKEOPTS) \
  45                 IMAGE_COPY=1 \
  46                 LOADER_ENTRY=$(FLASH_KERNEL) \
  47                 LOADER_TYPE=_flash \
  48                 clean compile
  49         $(OBJCOPY_SREC) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.srec
  50         $(OBJCOPY_BIN) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.bin
  51 endef
  52
  53 define Image/Build/Initramfs
  54         $(OBJCOPY_SREC) $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.srec
  55 endef
  56
  57 define Image/Build
  58         $(TARGET_CROSS)objcopy -O srec -I binary --adjust-vma $(FLASH_FS) $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec
  59         grep -v S7 $(KDIR)/root.$(1).srec > $(BIN_DIR)/$(IMG_PREFIX)-$(1).srec
  60         grep -v S0 $(KDIR)/kernel.flash.srec >> $(BIN_DIR)/$(IMG_PREFIX)-$(1).srec
  61         $(INSTALL_BIN) $(KDIR)/kernel.flash.bin $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.bin
  62         $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).fs
  63         $(CP) $(KDIR)/kernel.flash.srec $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-flash.srec
  64         $(CP) $(KDIR)/kernel.ram.srec $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-ram.srec
  65 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  66         $(call Image/Build/Initramfs)
  67 endif
  68 endef
  69
  70 $(eval $(call BuildImage))