| 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)) |
| 71 | |
