openwrt/package/linux/linux-2.4/linux.mk

   1 #############################################################
   2 # $Id$
   3 #
   4 # Linux 2.4 kernel target for the OpenWRT project
   5 #
   6 # patches are sorted by numbers
   7 # 0xx   needed patches for board, cpu, filesystem
   8 # 1xx   addon patches for new features (netfilter, ebtables, cifs,..)
   9 # 2xx   compile fixes, driver fixes
  10 #
  11 #############################################################
  12
  13 LINUX_FORMAT=zImage
  14 LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
  15         -e 's/mipsel/mips/' \
  16         -e 's/powerpc/ppc/' \
  17         -e 's/sh[234]/sh/' \
  18         )
  19
  20 LINUX_BINARY_DRIVER_SITE=http://openwrt.org/downloads/
  21 LINUX_SOURCE=linux-$(LINUX_VERSION).tar.bz2
  22 LINUX_KCONFIG=./linux-2.4/linux.config
  23 LINUX_PATCHES=./linux-2.4/patches
  24 LINUX_BINLOC=arch/$(LINUX_KARCH)/bcm947xx/compressed/piggy
  25 # Used by pcmcia-cs and others
  26 LINUX_SOURCE_DIR=$(LINUX_DIR)-$(LINUX_VERSION)
  27
  28 # proprietary driver, extracted from asus GPL sourcetree GPL_1941.zip
  29 LINUX_BINARY_WL_DRIVER=kernel-binary-wl-0.3.tar.gz
  30 LINUX_BINARY_WL_MD5SUM=cc45df670bcfb4e74a709b9d7beba636
  31 LINUX_ET_DRIVER=kernel-source-et-0.7.tar.gz
  32 LINUX_ET_MD5SUM=2d12b6dae78b20c88fee9fb41e88a51b
  33
  34 TARGET_MODULES_DIR=$(TARGET_DIR)/lib/modules/$(LINUX_VERSION)
  35
  36 $(DL_DIR)/$(LINUX_BINARY_WL_DRIVER):
  37         $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_BINARY_WL_DRIVER) $(LINUX_BINARY_WL_MD5SUM) $(LINUX_BINARY_DRIVER_SITE)
  38
  39 $(DL_DIR)/$(LINUX_ET_DRIVER):
  40         $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_ET_DRIVER) $(LINUX_ET_MD5SUM) $(LINUX_BINARY_DRIVER_SITE)
  41
  42 $(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE) $(DL_DIR)/$(LINUX_BINARY_WL_DRIVER) $(DL_DIR)/$(LINUX_ET_DRIVER)
  43         -mkdir -p $(BUILD_DIR)
  44         bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
  45         ln -sf $(LINUX_DIR)-$(LINUX_VERSION) $(LINUX_DIR)
  46         zcat $(DL_DIR)/$(LINUX_BINARY_WL_DRIVER) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
  47         zcat $(DL_DIR)/$(LINUX_ET_DRIVER) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
  48         touch $(LINUX_DIR)/.unpacked
  49
  50 $(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
  51         # copy binary wlan driver
  52         mkdir $(LINUX_DIR)/drivers/net/{et,wl}
  53         cp -a $(BUILD_DIR)/wl/*.o $(LINUX_DIR)/drivers/net/wl
  54         # copy proprietary et source
  55         cp -a $(BUILD_DIR)/et/* $(LINUX_DIR)/drivers/net/et
  56         mkdir -p $(LINUX_DIR)/arch/mips/bcm947xx/include/
  57         cp -a $(BUILD_DIR)/et/*.h $(LINUX_DIR)/arch/mips/bcm947xx/include/
  58         $(PATCH) $(LINUX_DIR) $(LINUX_PATCHES)
  59         touch $(LINUX_DIR)/.patched
  60
  61 $(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
  62         -cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
  63         $(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
  64           $(LINUX_DIR)/Makefile  \
  65           $(LINUX_DIR)/arch/mips/Makefile
  66         $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
  67         $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/version.h
  68         touch $(LINUX_DIR)/.configured
  69
  70 $(LINUX_DIR)/.depend_done:  $(LINUX_DIR)/.configured
  71         $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) dep
  72         touch $(LINUX_DIR)/.depend_done
  73
  74 $(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done
  75         $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH) CFLAGS_KERNEL="-fno-delayed-branch " $(LINUX_FORMAT)
  76
  77 $(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC)
  78         cp -fa $< $@
  79         touch -c $(LINUX_KERNEL)
  80
  81 $(LINUX_IMAGE): $(LINUX_KERNEL)
  82         cat $^ | $(BUILD_DIR)/lzma/lzma e -si -so -eos > $@ || (rm -f $@ && false)
  83
  84 $(LINUX_DIR)/.modules_done: $(LINUX_KERNEL) $(LINUX_IMAGE)
  85         rm -rf $(BUILD_DIR)/modules
  86         $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH) CFLAGS_KERNEL="-fno-delayed-branch " modules
  87         $(MAKE) -C $(LINUX_DIR) DEPMOD=true INSTALL_MOD_PATH=$(BUILD_DIR)/modules modules_install
  88         touch $(LINUX_DIR)/.modules_done
  89
  90 $(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
  91         mkdir -p $(STAGING_DIR)/include
  92         tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
  93         tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
  94
  95 $(TARGET_MODULES_DIR):
  96         -mkdir -p $(TARGET_MODULES_DIR)
  97
  98 linux: $(LINUX_DIR)/.modules_done $(TARGET_MODULES_DIR)
  99
 100 linux-source: $(DL_DIR)/$(LINUX_SOURCE)
 101
 102 # This has been renamed so we do _NOT_ by default run this on 'make clean'
 103 linuxclean: clean
 104         rm -f $(LINUX_KERNEL) $(LINUX_IMAGE)
 105         -$(MAKE) -C $(LINUX_DIR) clean
 106
 107 linux-dirclean:
 108         rm -f $(BUILD_DIR)/openwrt-kmodules.tar.bz2
 109         rm -rf $(LINUX_DIR)-$(LINUX_VERSION)
 110         rm -rf $(LINUX_DIR)
 111         rm -rf $(BUILD_DIR)/modules
 112         rm -rf $(BUILD_DIR)/wl
 113         rm -rf $(BUILD_DIR)/et
 114