96 lines
2.8 KiB
Makefile
96 lines
2.8 KiB
Makefile
#
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# Copyright (C) 2006-2010 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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LOADADDR = 0x81000000 # RAM start + 16M
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KERNEL_ENTRY = 0x80101000
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RAMSIZE = 0x00100000 # 1MB
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IMAGE_COPY = 1
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LOADER_MAKEOPTS= \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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PATH="$(TARGET_PATH)" \
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CC="$(TARGET_CC)" \
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KDIR=$(KDIR) \
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LOADADDR=$(LOADADDR) \
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KERNEL_ENTRY=$(KERNEL_ENTRY) \
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RAMSIZE=$(RAMSIZE) \
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IMAGE_COPY=$(IMAGE_COPY)
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LOADER_DIR = $(GENERIC_PLATFORM_DIR)/image/lzma-loader
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define Build/lzma-loader-elf
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rm -rf $@.loader
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mkdir -p $@.loader
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$(CP) $(LOADER_DIR)/src/* $@.loader/
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$(CP) $@ $@.loader/vmlinux.lzma
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$(MAKE) -C $@.loader $(LOADER_MAKEOPTS)
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cp $@.loader/lzma.elf $@
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rm -rf $@.loader
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endef
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define Device/nand
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DEVICE_VENDOR := MikroTik
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DEVICE_MODEL := RouterBOARD 532
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CMDLINE := ubi.mtd=1 ubi.block=0,rootfs root=/dev/ubiblock0_1
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BOARD_NAME := rb532
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SUPPORTED_DEVICES := rb532
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KERNEL_INITRAMFS := append-kernel | patch-cmdline | lzma | lzma-loader-elf
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KERNEL := $$(KERNEL_INITRAMFS) | kernel2minor -s 2048 -i 0 -c
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IMAGES := sysupgrade.bin
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FILESYSTEMS := squashfs
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IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
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endef
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TARGET_DEVICES := nand
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define Build/Clean
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$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
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endef
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define Image/Prepare
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cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
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$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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$(STAGING_DIR_HOST)/bin/patch-cmdline $(KDIR)/vmlinux-initramfs '$(strip $(call Image/cmdline/yaffs2)) '
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cat $(KDIR)/vmlinux-initramfs | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
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$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
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$(CP) $(KDIR)/loader.elf $(KDIR)/loader-initramfs.elf
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endif
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endef
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VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux-kernel
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define Image/BuildKernel
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$(CP) $(KDIR)/loader.elf $(VMLINUX)
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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$(CP) $(KDIR)/loader-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs
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endif
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endef
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define Image/cmdline/yaffs2
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root=/dev/mtdblock1 rootfstype=yaffs2
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endef
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define Image/Build/squashfs
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dd if=/dev/zero bs=128k count=1 >> $(KDIR)/root.squashfs
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endef
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define Image/Build
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$(call Image/Build/$(1),$(1))
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$(CP) $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel
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$(STAGING_DIR_HOST)/bin/patch-cmdline $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel 'root=/dev/sda2 '
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./gen_image.sh $(BIN_DIR)/$(IMG_COMBINED)-$(1).bin \
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6 $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel \
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$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
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128
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endef
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$(eval $(call BuildImage))
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