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/Compile
  24         $(CC) -o $(STAGING_DIR)/bin/patch-cmdline $(PLATFORM_DIR)/src/patch-cmdline.c
  25 endef
  26
  27 define Build/Clean
  28         $(MAKE) -C ../../generic-2.6/image/lzma-loader $(LOADER_MAKEOPTS) clean
  29 endef
  30
  31 define Image/Prepare
  32         $(STAGING_DIR)/bin/patch-cmdline $(LINUX_DIR)/vmlinux 'root=/dev/cfa2 '
  33         $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
  34 endef
  35
  36 define Image/BuildKernel
  37         cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
  38         $(MAKE) -C ../../generic-2.6/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
  39         $(CP) $(KDIR)/loader.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
  40 endef
  41
  42 PARTITION1=\x80\x01\x01\x00\x27\x01\x20\x7b\x20\x00\x00\x00\xe0\x1e\x00\x00# 4 MB  (kernel part)
  43 PARTITION2=\x00\x00\x01\x7c\x83\x01\xa0\x64\x00\x1f\x00\x00\x40\x7a\x00\x00# 16 MB (rootfs part)
  44
  45 define Image/cmdline/jffs2-64k
  46 block2mtd.block2mtd=/dev/cfa2,65536 root=/dev/mtdblock0 rootfstype=jffs2
  47 endef
  48
  49 define Image/cmdline/jffs2-128k
  50 block2mtd.block2mtd=/dev/cfa2,131072 root=/dev/mtdblock0 rootfstype=jffs2
  51 endef
  52
  53 define Image/cmdline/ext2
  54 root=/dev/cfa2 rootfstype=ext2
  55 endef
  56
  57 define Image/Build
  58         $(STAGING_DIR)/bin/patch-cmdline $(LINUX_DIR)/vmlinux '$(strip $(call Image/cmdline/$(1))) '
  59         ( \
  60                 echo -ne OWRT | dd bs=$$$$((0x1be)) conv=sync; \
  61                 ( \
  62                         echo -ne '$(strip $(PARTITION1))'; \
  63                         echo -ne '$(strip $(PARTITION2))'; \
  64                 ) | dd bs=$$$$((0x40)) conv=sync; \
  65                 echo -ne '\x55\xaa'; \
  66                 dd if=/dev/zero bs=$$$$((0x3e00)) conv=sync count=1; \
  67                 dd if=$(LINUX_DIR)/vmlinux bs=$$$$((0x3dc000)) conv=sync; \
  68                 cat $(KDIR)/root.$(1); \
  69                 echo -ne '\xde\xad\xc0\xde'; \
  70         ) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
  71 endef
  72
  73 $(eval $(call BuildImage))