target/linux/ath79/image/lzma-loader/Makefile

   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
   9 include $(TOPDIR)/rules.mk
  10
  11 LZMA_TEXT_START := 0x81800000
  12 LOADADDR        := 0x80060000
  13 LOADER          := loader.bin
  14 LOADER_NAME     := $(basename $(notdir $(LOADER)))
  15 LOADER_DATA     :=
  16 KERNEL_MAGIC    :=
  17 TARGET_DIR      :=
  18 FLASH_OFFS      :=
  19 FLASH_MAX       :=
  20 BOARD           :=
  21
  22 ifeq ($(TARGET_DIR),)
  23 TARGET_DIR      := $(KDIR)
  24 endif
  25
  26 LOADER_BIN      := $(TARGET_DIR)/$(LOADER_NAME).bin
  27 LOADER_GZ       := $(TARGET_DIR)/$(LOADER_NAME).gz
  28 LOADER_ELF      := $(TARGET_DIR)/$(LOADER_NAME).elf
  29
  30 PKG_NAME := lzma-loader
  31 PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)
  32
  33 .PHONY : loader-compile loader.bin loader.elf loader.gz
  34
  35 $(PKG_BUILD_DIR)/.prepared:
  36         mkdir $(PKG_BUILD_DIR)
  37         $(CP) ./src/* $(PKG_BUILD_DIR)/
  38         touch $@
  39
  40 loader-compile: $(PKG_BUILD_DIR)/.prepared
  41         $(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
  42                 LZMA_TEXT_START=$(LZMA_TEXT_START) \
  43                 LOADADDR=$(LOADADDR) \
  44                 LOADER_DATA=$(LOADER_DATA) \
  45                 KERNEL_MAGIC=$(KERNEL_MAGIC) \
  46                 FLASH_OFFS=$(FLASH_OFFS) \
  47                 FLASH_MAX=$(FLASH_MAX) \
  48                 BOARD="$(BOARD)" \
  49                 clean all
  50
  51 loader.gz: $(PKG_BUILD_DIR)/loader.bin
  52         # Workaround for buggy bootloaders: Some devices
  53         # (TP-Link TL-WR1043ND v1) don't work correctly when
  54         # the uncompressed loader is too small (probably a cache
  55         # invalidation issue)
  56         dd if=$< bs=512K conv=sync | gzip -nc9 > $(LOADER_GZ)
  57
  58 loader.elf: $(PKG_BUILD_DIR)/loader.elf
  59         $(CP) $< $(LOADER_ELF)
  60
  61 loader.bin: $(PKG_BUILD_DIR)/loader.bin
  62         $(CP) $< $(LOADER_BIN)
  63
  64 download:
  65 prepare: $(PKG_BUILD_DIR)/.prepared
  66 compile: loader-compile
  67
  68 install:
  69
  70 clean:
  71         rm -rf $(PKG_BUILD_DIR)
  72