openwrt-xburst/target/linux/brcm63xx/image/Makefile

# 
# 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 = 0x80010000		# RAM start + 16M 
KERNEL_ENTRY = $(LOADADDR)	# Newer kernels add a jmp to the kernel_entry at the start of the binary
RAMSIZE = 0x01000000		# 64MB

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

define trxalign/jffs2-128k
-a 0x20000
endef
define trxalign/jffs2-64k
-a 0x10000
endef
define trxalign/squashfs
-a 1024
endef

define Build/Clean
	$(MAKE) -C lzma-loader clean
endef

define Image/Prepare
	cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
	rm -f $(KDIR)/loader.gz
	$(MAKE) -C lzma-loader \
		BUILD_DIR="$(KDIR)" \
		TARGET="$(KDIR)" \
		clean install
	echo -ne "\\x00" >> $(KDIR)/loader.gz
	rm -f $(KDIR)/fs_mark
	touch $(KDIR)/fs_mark
	$(call prepare_generic_squashfs,$(KDIR)/fs_mark)
endef

define Image/Build
	$(STAGING_DIR_HOST)/bin/trx -o $(BIN_DIR)/openwrt-$(BOARD)-$(1).trx -f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma $(call trxalign/$(1)) -f $(KDIR)/root.$(1)
endef

$(eval $(call BuildImage))