target/linux/au1000-2.6/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 $(INCLUDE_DIR)/image.mk
   9
  10 LOADADDR = 0x81000000           # RAM start + 16M
  11 KERNEL_ENTRY = 0x80100000
  12 RAMSIZE = 0x00100000            # 1MB
  13
  14 FLASH_KERNEL := 0xBFD00000
  15 FLASH_FS     := 0xBE000000
  16
  17 LOADER_MAKEOPTS= \
  18                 KDIR=$(KDIR) \
  19                 LOADADDR=$(LOADADDR) \
  20                 KERNEL_ENTRY=$(KERNEL_ENTRY) \
  21                 RAMSIZE=$(RAMSIZE)
  22
  23 define Build/Clean
  24         $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
  25 endef
  26
  27 DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
  28 OBJCOPY_SREC := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
  29 OBJCOPY_BIN := $(TARGET_CROSS)objcopy -S -O binary $(addprefix --remove-section=,$(DROP_SECTIONS))
  30
  31 define Image/Prepare
  32         cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
  33
  34         # Build RAM image
  35         $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
  36                 $(LOADER_MAKEOPTS) \
  37                 clean compile
  38         $(OBJCOPY_SREC) $(KDIR)/loader.elf $(KDIR)/kernel.ram.srec
  39
  40         # Build Flash image
  41         $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
  42                 $(LOADER_MAKEOPTS) \
  43                 IMAGE_COPY=1 \
  44                 LOADER_ENTRY=$(FLASH_KERNEL) \
  45                 LOADER_TYPE=_flash \
  46                 clean compile
  47         $(OBJCOPY_SREC) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.srec
  48         $(OBJCOPY_BIN) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.bin
  49 endef
  50
  51 define Image/Build/Initramfs
  52         $(OBJCOPY_SREC) $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.srec
  53 endef
  54
  55 define Image/Build
  56         $(TARGET_CROSS)objcopy -O srec -I binary --adjust-vma $(FLASH_FS) $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec
  57         grep -v S7 $(KDIR)/root.$(1).srec > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
  58         grep -v S0 $(KDIR)/kernel.flash.srec >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
  59         $(CP) $(KDIR)/kernel.flash.bin $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.bin
  60         $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).fs
  61 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  62         $(call Image/Build/Initramfs)
  63 endif
  64 endef
  65
  66 $(eval $(call BuildImage))