1#
2# Copyright (C) 2011 OpenWrt.org
3# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
4#
5# This is free software, licensed under the GNU General Public License v2.
6# See /LICENSE for more information.
7#
8
9include $(TOPDIR)/rules.mk
10
11LZMA_TEXT_START	:= 0x80a00000
12LOADER		:= loader.bin
13LOADER_NAME	:= $(basename $(notdir $(LOADER)))
14LOADER_DATA 	:=
15TARGET_DIR	:=
16FLASH_OFFS	:=
17FLASH_MAX	:=
18
19ifeq ($(TARGET_DIR),)
20TARGET_DIR	:= $(KDIR)
21endif
22
23LOADER_BIN	:= $(TARGET_DIR)/$(LOADER_NAME).bin
24LOADER_GZ	:= $(TARGET_DIR)/$(LOADER_NAME).gz
25LOADER_ELF	:= $(TARGET_DIR)/$(LOADER_NAME).elf
26
27PKG_NAME := lzma-loader
28PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)
29
30.PHONY : loader-compile loader.bin loader.elf loader.gz
31
32$(PKG_BUILD_DIR)/.prepared:
33	mkdir $(PKG_BUILD_DIR)
34	$(CP) ./src/* $(PKG_BUILD_DIR)/
35	touch $@
36
37loader-compile: $(PKG_BUILD_DIR)/.prepared
38	$(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
39		LZMA_TEXT_START=$(LZMA_TEXT_START) \
40		LOADER_DATA=$(LOADER_DATA) \
41		FLASH_OFFS=$(FLASH_OFFS) \
42		FLASH_MAX=$(FLASH_MAX) \
43		clean all
44
45loader.gz: $(PKG_BUILD_DIR)/loader.bin
46	gzip -nc9 $< > $(LOADER_GZ)
47
48loader.elf: $(PKG_BUILD_DIR)/loader.elf
49	$(CP) $< $(LOADER_ELF)
50
51loader.bin: $(PKG_BUILD_DIR)/loader.bin
52	$(CP) $< $(LOADER_BIN)
53
54download:
55prepare: $(PKG_BUILD_DIR)/.prepared
56compile: loader-compile
57
58install:
59
60clean:
61	rm -rf $(PKG_BUILD_DIR)
62
63