target/image/ar7/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 $(INCLUDE_DIR)/image.mk
   9
  10 PKG_BUILD_DIR:=$(BUILD_DIR)/ar7loader
  11
  12 LOADADDR := 0x94020000
  13 OUTPUT_FORMAT := elf32-tradlittlemips
  14
  15 CFLAGS := -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
  16         -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
  17         -pipe -mlong-calls -fno-common \
  18         -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap \
  19         -DLOADADDR=$(LOADADDR)
  20
  21 $(PKG_BUILD_DIR)/cksum.o: $(PKG_BUILD_DIR)/cksum.c
  22         $(HOSTCC) -o $@ $<
  23
  24 $(PKG_BUILD_DIR)/ckmain.o: $(PKG_BUILD_DIR)/ckmain.c
  25         $(HOSTCC) -o $@ $<
  26
  27 $(PKG_BUILD_DIR)/tichksum: $(PKG_BUILD_DIR)/ckmain.o $(PKG_BUILD_DIR)/cksum.o
  28         $(HOSTCC) -o $@ $<
  29
  30 $(PKG_BUILD_DIR)/LzmaDecode.o: src/LzmaDecode.c
  31         $(TARGET_CC) $(CFLAGS) -c -o $@ $<
  32
  33 $(PKG_BUILD_DIR)/loader.o: src/loader.c
  34         $(TARGET_CC) $(CFLAGS) -c -o $@ $<
  35
  36 $(STAGING_DIR)/bin/srec2bin: src/srec2bin.c
  37         $(HOSTCC) -o $@ $<
  38
  39
  40 define Build/Compile
  41         mkdir -p $(PKG_BUILD_DIR)
  42         sed -e 's/@@OUTPUT_FORMAT@@/$(OUTPUT_FORMAT)/' \
  43             -e 's/@@LOADADDR@@/$(LOADADDR)/' \
  44                         < src/zimage.script.in \
  45                         > $(PKG_BUILD_DIR)/zimage.script
  46         sed -e 's/@@OUTPUT_FORMAT@@/$(OUTPUT_FORMAT)/' \
  47             -e 's/@@LOADADDR@@/$(LOADADDR)/' \
  48                         < src/ld.script.in \
  49                         > $(PKG_BUILD_DIR)/ld.script
  50         $(MAKE) $(PKG_BUILD_DIR)/loader.o $(PKG_BUILD_DIR)/LzmaDecode.o $(STAGING_DIR)/bin/srec2bin
  51 endef
  52
  53 define Build/Clean
  54         rm -rf $(PKG_BUILD_DIR)
  55 endef
  56
  57 define Image/Prepare
  58         cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
  59         $(TARGET_CROSS)ld -T $(PKG_BUILD_DIR)/zimage.script -r -b binary $(KDIR)/vmlinux.lzma -o $(KDIR)/zimage.o
  60         $(TARGET_CROSS)ld -static -G 0 --defsym kernel_entry=0x$${shell nm $(KDIR)/linux-*/vmlinux | grep kernel_entry | cut -d' ' -f1} -T $(PKG_BUILD_DIR)/ld.script \
  61                 $(PKG_BUILD_DIR)/loader.o \
  62                 $(PKG_BUILD_DIR)/LzmaDecode.o \
  63                 $(KDIR)/zimage.o \
  64                 -o $(KDIR)/loader
  65         $(TARGET_CROSS)objcopy -O srec $(KDIR)/loader $(KDIR)/ram_zimage.sre
  66         $(STAGING_DIR)/bin/srec2bin $(KDIR)/ram_zimage.sre $(KDIR)/vmlinux.bin
  67 endef
  68
  69 ifeq ($(FS),jffs2-8MB)
  70 ALIGN:=bs=131072 conv=sync
  71 endif
  72 ifeq ($(FS),jffs2-4MB)
  73 ALIGN:=bs=65536 conv=sync
  74 endif
  75
  76 define Image/Build/CyberTAN
  77         (dd if=/dev/zero bs=16 count=1; cat $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin) | \
  78                 $(STAGING_DIR)/bin/addpattern -p $(3) -o $(BIN_DIR)/openwrt-$(2)-$(KERNEL)-$(4).bin
  79 endef
  80
  81 define Image/Build/sErCoMm
  82         cat sercomm/adam2.bin "$(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin" > "$(BIN_DIR)/openwrt-$(2)-$(KERNEL)-$(3).img"
  83         dd if=sercomm/$(2) of="$(KDIR)/dgfw.tmp" bs=$$$$((0x3e0000 - 80)) seek=1 conv=notrunc
  84         $(STAGING_DIR)/bin/dgfirmware -f -w "$(BIN_DIR)/openwrt-$(2)-$(KERNEL)-$(3).img" "$(KDIR)/dgfw.tmp"
  85         rm -f "$(KDIR)/dgfw.tmp"
  86 endef
  87
  88 define Image/Build
  89         dd if=$(KDIR)/vmlinux.bin $(ALIGN) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
  90         cat $(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)/root.$(1) >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
  91         $(call Image/Build/CyberTAN,$(1),AG1B,AG1B,$(1))
  92         $(call Image/Build/CyberTAN,$(1),WA21,WA21,$(1))
  93         $(call Image/Build/CyberTAN,$(1),WA22,WA22,$(1))
  94         $(call Image/Build/CyberTAN,$(1),WAG2,WAG2,$(1))
  95         $(call Image/Build/CyberTAN,$(1),WA31,WA31 -b,$(1))
  96         $(call Image/Build/CyberTAN,$(1),WA32,WA32 -b,$(1))
  97         $(call Image/Build/sErCoMm,$(1),dg834,$(1))
  98         $(call Image/Build/sErCoMm,$(1),jdr454wb,$(1))
  99 endef
 100
 101 $(eval $(call BuildImage))