Initial commit

target/linux/rb532/image/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 $(INCLUDE_DIR)/image.mk
+
+LOADADDR = 0x81000000		# RAM start + 16M
+KERNEL_ENTRY = 0x80101000
+RAMSIZE = 0x00100000		# 1MB
+IMAGE_COPY = 1
+
+LOADER_MAKEOPTS= \
+		CROSS_COMPILE="$(TARGET_CROSS)" \
+		PATH="$(TARGET_PATH)" \
+		CC="$(TARGET_CC)" \
+		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
+
+define Build/Clean
+	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
+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 $(KDIR)/loader-initramfs.elf
+endif
+endef
+
+VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux-kernel
+
+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
+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
+endef
+
+$(eval $(call BuildImage))

target/linux/rb532/image/gen_image.sh

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+#!/usr/bin/env bash
+OUTPUT="$1"
+KERNELSIZE="$2"
+KERNELIMAGE="$3"
+ROOTFSSIZE="$4"
+ROOTFSIMAGE="$5"
+ALIGN="$6"
+
+rm -f "$OUTPUT"
+
+# create partition table
+set `ptgen -o "$OUTPUT" -h 16 -s 32 -l ${ALIGN} -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m`
+
+KERNELOFFSET="$(($1 / 512))"
+ROOTFSOFFSET="$(($3 / 512))"
+
+dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET"
+dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET"