Initial commit

target/linux/ar71xx/image/lzma-loader/Makefile

@@ -0,0 +1,70 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+LZMA_TEXT_START	:= 0x80a00000
+LOADADDR	:= 0x80060000
+LOADER		:= loader.bin
+LOADER_NAME	:= $(basename $(notdir $(LOADER)))
+LOADER_DATA 	:=
+TARGET_DIR	:=
+FLASH_OFFS	:=
+FLASH_MAX	:=
+BOARD		:=
+
+ifeq ($(TARGET_DIR),)
+TARGET_DIR	:= $(KDIR)
+endif
+
+LOADER_BIN	:= $(TARGET_DIR)/$(LOADER_NAME).bin
+LOADER_GZ	:= $(TARGET_DIR)/$(LOADER_NAME).gz
+LOADER_ELF	:= $(TARGET_DIR)/$(LOADER_NAME).elf
+
+PKG_NAME := lzma-loader
+PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)
+
+.PHONY : loader-compile loader.bin loader.elf loader.gz
+
+$(PKG_BUILD_DIR)/.prepared:
+	mkdir $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+	touch $@
+
+loader-compile: $(PKG_BUILD_DIR)/.prepared
+	$(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
+		LZMA_TEXT_START=$(LZMA_TEXT_START) \
+		LOADADDR=$(LOADADDR) \
+		LOADER_DATA=$(LOADER_DATA) \
+		FLASH_OFFS=$(FLASH_OFFS) \
+		FLASH_MAX=$(FLASH_MAX) \
+		BOARD="$(BOARD)" \
+		clean all
+
+loader.gz: $(PKG_BUILD_DIR)/loader.bin
+	# Workaround for buggy bootloaders: Some devices
+	# (TP-Link TL-WR1043ND v1) don't work correctly when
+	# the uncompressed loader is too small (probably a cache
+	# invalidation issue)
+	dd if=$< bs=512K conv=sync | gzip -nc9 > $(LOADER_GZ)
+
+loader.elf: $(PKG_BUILD_DIR)/loader.elf
+	$(CP) $< $(LOADER_ELF)
+
+loader.bin: $(PKG_BUILD_DIR)/loader.bin
+	$(CP) $< $(LOADER_BIN)
+
+download:
+prepare: $(PKG_BUILD_DIR)/.prepared
+compile: loader-compile
+
+install:
+
+clean:
+	rm -rf $(PKG_BUILD_DIR)
+