# 
# Copyright (C) 2006 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 = 0x80041000
RAMSIZE = 0x00100000            # 1MB
IMAGE_COPY = 1

LOADER_MAKEOPTS= \
		KDIR=$(KDIR) \
		LOADADDR=$(LOADADDR) \
		KERNEL_ENTRY=$(KERNEL_ENTRY) \
		RAMSIZE=$(RAMSIZE) \
		IMAGE_COPY=$(IMAGE_COPY)

define Build/Clean
	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
endef
        
define Image/Prepare
	cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux.elf
	gzip -9 -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
	$(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/vmlinux $(KDIR)/vmlinux.bin.l7
	dd if=$(KDIR)/vmlinux.bin.l7 of=$(BIN_DIR)/openwrt-$(BOARD)-vmlinux.lzma bs=65536 conv=sync
	dd if=$(KDIR)/vmlinux.bin.gz of=$(BIN_DIR)/openwrt-$(BOARD)-vmlinux.gz bs=65536 conv=sync
	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
endef

define Image/BuildKernel
	$(CP) $(KDIR)/loader.bin $(BIN_DIR)/openwrt-$(BOARD)-vmlinux
endef

define Image/Build/squashfs
    $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
endef

define Image/Build
	$(call Image/Build/$(1))
	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-root.$(1) bs=128k conv=sync
endef

ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  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
  endef
  define Image/BuildKernel
	$(CP) $(KDIR)/loader.bin $(BIN_DIR)/openwrt-$(BOARD)-vmlinux
  endef
endif

$(eval $(call BuildImage))