openwrtv3/target/linux/rb532/image/Makefile

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