target/linux-experimental/Makefile.in

   1 #############################################################
   2 #
   3 # Linux kernel 2.6 target
   4 #
   5 #############################################################
   6 ifneq ($(filter $(TARGETS),linux26),)
   7
   8
   9 ifeq ($(LINUX_HEADERS_VERSION),)
  10 # Version of Linux to download and then apply patches to
  11 # XXX: andersee, i do not understand why we need this (BF)
  12 DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",, $(BR2_DOWNLOAD_LINUX26_VERSION)))
  13 # "))
  14 LINUX26_VERSION:=$(strip $(subst ",, $(BR2_LINUX26_VERSION)))
  15 # "))
  16 LINUX26_RC_PATCH:=$(strip $(subst ",, $(BR2_LINUX26_RC_PATCH)))
  17 # "))
  18 LINUX_BSP_PATCH:=$(strip $(subst ",, $(BR2_LINUX_BSP_ATMEL_PATCH)))
  19 # " ))
  20 MKIMAGE:=$(BUILD_DIR)/mkimage
  21
  22 ifeq ($(DOWNLOAD_LINUX26_VERSION),)
  23 DOWNLOAD_LINUX26_VERSION=2.6.19.2
  24 endif
  25 # Version of Linux after applying any patches
  26 LINUX26_VERSION=$(DOWNLOAD_LINUX26_VERSION)
  27
  28
  29 else # ---------------------------------------------------
  30
  31 # Define DOWNLOAD_LINUX26_VERSION unless defined
  32 ifeq ($(strip $(BR2_DOWNLOAD_LINUX26_VERSION)),)
  33 DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
  34 else
  35 DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",, $(BR2_DOWNLOAD_LINUX26_VERSION)))
  36 # "))
  37 endif
  38
  39
  40 # Define LINUX26_VERSION unless defined
  41 ifeq ($(strip $(BR2_LINUX26_VERSION)),)
  42 LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
  43 else
  44 LINUX26_VERSION:=$(strip $(subst ",, $(BR2_LINUX26_VERSION)))
  45 # "))
  46 endif
  47
  48 endif # ---------------------------------------------------
  49
  50 # Handle case when we want to build using an "rc" patch
  51 # Example: to build 2.6.21-rc1 you need to:
  52 # * Download linux-2.6.20
  53 # * Apply patch-2.6.21-rc1
  54
  55 LINUX26_SOURCE:=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2
  56 LINUX26_SITE=http://ftp.kernel.org/pub/linux/kernel/v2.6
  57 LINUX26_BZCAT:=$(BZCAT)
  58
  59 # Linux kernel binary
  60 LINUX26_FORMAT:=$(strip $(subst ",, $(BR2_LINUX26_FORMAT)))
  61 # " ))
  62
  63 # Linux kernel configuration file
  64 ifeq ($(strip $(LINUX26_KCONFIG)),)
  65 LINUX26_KCONFIG=$(BR2_BOARD_PATH)/linux26.config
  66 endif
  67
  68 # File name for the Linux kernel binary
  69 ifeq ($(strip $(LINUX26_KERNEL)),)
  70 #LINUX26_KERNEL=linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH)
  71 LINUX26_KERNEL:=$(BOARD_NAME)-linux-$(LINUX26_VERSION)-$(DATE).gz
  72 endif
  73
  74 ifeq ($(strip $(LINUX26_BINLOC)),)
  75 LINUX26_BINLOC=$(LINUX26_FORMAT)
  76 endif
  77
  78 # Put binary in root file system
  79 ifeq ($(strip $(BR2_LINUX_IN_ROOTFS)),y)
  80 ifeq ($(strip $(LINUX26_TARGET)),)
  81 LINUX26_TARGET:=$(TARGET_DIR)/boot/$(LINUX26_BINLOC)
  82 endif
  83 else
  84 LINUX26_TARGET:=$(BINARIES_DIR)/$(LINUX26_KERNEL)
  85 endif
  86 endif
  87
  88 ifeq ($(strip $(LINUX26_BUILD_DIR)),)
  89 LINUX26_BUILD_DIR=$(PROJECT_BUILD_DIR)
  90 endif
  91
  92 ifeq ($(strip $(BR2_LINUX26_DEFCONFIG)),y)
  93 LINUX26_DEFCONFIG=$(BOARD_NAME)_defconfig
  94 endif
  95
  96 # Version of Linux AFTER patches
  97 LINUX26_DIR=$(LINUX26_BUILD_DIR)/linux-$(LINUX26_VERSION)
  98
  99 # for packages that need it
 100 LINUX_VERSION=$(LINUX26_VERSION)
 101 LINUX_DIR=$(LINUX26_DIR)
 102 LINUX_KERNEL=$(LINUX26_KERNEL)
 103
 104 # kernel patches
 105 ifeq ($(strip $(subst ",, $(LINUX26_PATCH_DIR))),)
 106 # ")))
 107 LINUX26_PATCH_DIR:=$(BR2_BOARD_PATH)/kernel-patches/
 108 endif
 109 PATCH_DIR=$(strip $(subst ",, $(LINUX26_PATCH_DIR)))
 110 # " ))
 111
 112 LINUX26_MAKE_FLAGS = $(TARGET_CONFIGURE_OPTS) ARCH=$(KERNEL_ARCH) \
 113         PATH=$(TARGET_PATH) INSTALL_MOD_PATH=$(TARGET_DIR) \
 114         CROSS_COMPILE=$(KERNEL_CROSS)
 115
 116 $(LINUX26_KCONFIG):
 117         @if [ ! -f "$(LINUX26_KCONFIG)" ] ; then \
 118                 echo ""; \
 119                 echo "You should create a .config for your kernel"; \
 120                 echo "and install it as $(LINUX26_KCONFIG)"; \
 121                 echo ""; \
 122                 sleep 5; \
 123         fi
 124
 125 # Check if we have a release candidate.
 126 # This makes life complex
 127 # To build linux-2.6.21-rc2 you need to:
 128 # * Download linux.2.6.20.tar.bz2
 129 # * Download patch-2.6.21-rc2.bz2
 130 # I:E you have to download the *previous* major version
 131
 132 ifneq ($(LINUX26_RC_PATCH),)
 133 # We have a "release candidate"
 134 LINUX26_RC_PATCH_SOURCE:=$(PROJECT_BUILD_DIR)/linux-patch/$(LINUX26_RC_PATCH)
 135
 136 # Create rule to download the patch
 137 $(LINUX26_RC_PATCH_SOURCE):
 138         mkdir -p $(PROJECT_BUILD_DIR)/linux-patch/
 139         $(WGET) -P $(PROJECT_BUILD_DIR)/linux-patch $(LINUX26_SITE)/$(LINUX26_RC_PATCH)
 140 # $(LINUX26_BZCAT) $(PROJECT_BUILD_DIR)/linux-patch/$(LINUX26_RC_PATCH).bz2
 141 else
 142 # We have a vanilla style linux kernel
 143 LINUX26_RC_PATCH_SOURCE:=
 144 endif
 145
 146 ifneq ($(strip $(LINUX_HEADERS_SOURCE)),$(strip $(LINUX26_SOURCE)))
 147 $(DL_DIR)/$(LINUX26_SOURCE):
 148          $(WGET) -P $(DL_DIR) $(LINUX26_SITE)/$(LINUX26_SOURCE)
 149 endif
 150
 151 $(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE) $(LINUX26_RC_PATCH_SOURCE)
 152         rm -rf $(LINUX26_DIR)
 153         $(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(LINUX26_BUILD_DIR) $(TAR_OPTIONS) -
 154 ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION))
 155         # Rename the dir from the downloaded version to the AFTER patch version
 156         mv -f $(LINUX26_BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR)
 157 endif
 158 ifneq ($(LINUX26_RC_PATCH),)
 159         -(cd $(LINUX26_DIR); $(LINUX26_BZCAT) $(LINUX26_RC_PATCH_SOURCE) | patch -p1)
 160 endif
 161         -(cd $(TOOL_BUILD_DIR); ln -snf $(LINUX26_DIR) linux)
 162         rm -f $(LINUX26_DIR)/.kernelrelease
 163         echo $(LINUX26_VERSION) > $(LINUX26_DIR)/.kernelrelease
 164         touch $@
 165
 166 $(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked
 167         echo $(PATCH_DIR)
 168         toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR)
 169         touch $@
 170
 171 $(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG)
 172         -ls -l $(LINUX26_DIR)/.patched
 173         -ls -l $(LINUX26_KCONFIG)
 174         -ls -l $(LINUX26_DIR)/.configured
 175         -ls -l $(LINUX26_DIR)/.unpacked
 176         -ls -l $(DL_DIR)/$(LINUX26_SOURCE)
 177         -ls -l $(LINUX26_RC_PATCH_SOURCE)
 178 ifeq ($(strip $(BR2_LINUX26_DEFCONFIG)),y)
 179         make ARCH=$(ARCH) -C $(LINUX26_DIR) $(BOARD_NAME)_defconfig
 180 else
 181         cp -df --preserve=mode,ownership $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
 182 endif
 183 ifeq ($(strip $(BR2_LINUX_CUSTOMIZE)),y)
 184         make -C $(LINUX26_DIR) xconfig
 185 endif
 186         $(SED) '/CONFIG_AEABI/d' $(LINUX26_DIR)/.config
 187 ifeq ($(BR2_ARM_EABI),y)
 188         echo "CONFIG_AEABI=y" >> $(LINUX26_DIR)/.config
 189         $(SED) '/CONFIG_OABI_COMPAT/d' $(LINUX26_DIR)/.config
 190         echo "# CONFIG_OABI_COMPAT is not set" >> $(LINUX26_DIR)/.config
 191 else
 192         echo "# CONFIG_AEABI is not set" >> $(LINUX26_DIR)/.config
 193 endif
 194         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig include/linux/version.h
 195         touch $@
 196
 197 $(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured
 198         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare
 199         touch $@
 200
 201 $(LINUX26_DIR)/arch/$(ARCH)/boot/$(LINUX26_FORMAT): $(LINUX26_DIR)/vmlinux
 202         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(LINUX26_FORMAT)
 203         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules
 204         touch -c $@
 205
 206 $(LINUX26_DIR)/vmlinux: $(LINUX26_DIR)/.depend_done $(STAGING_DIR)/include/linux/version.h
 207         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) vmlinux
 208         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules
 209         touch -c $@
 210
 211
 212
 213 #-----------------------------------------------------------------------------------
 214 # Rule can be enabled by setting
 215 # LINUX26_TARGET:= $(TARGET_DIR)/boot/$(LINUX26_BINLOC)
 216 #
 217 $(TARGET_DIR)/boot/$(LINUX26_FORMAT): $(LINUX26_DIR)/$(LINUX26_FORMAT)
 218         [ -d $(TARGET_DIR)/boot/ ] || mkdir $(TARGET_DIR)/boot
 219         cp -a $(LINUX26_DIR)/$(LINUX26_FORMAT) $(LINUX26_DIR)/System.map $(TARGET_DIR)/boot/$(LINUX26_FORMAT)
 220         touch -c $@
 221
 222 #-----------------------------------------------------------------------------------
 223 # Rule can be enabled by setting
 224 # LINUX26_TARGET:= $(BINARIES_DIR)/$(LINUX26_KERNEL)
 225 # LINUX26_FORMAT:= vmlinux
 226
 227 $(BINARIES_DIR)/$(LINUX26_KERNEL): $(LINUX26_DIR)/uImage
 228         cp -dpf $(LINUX26_DIR)/uImage $(BINARIES_DIR)/$(LINUX26_KERNEL)
 229         cp -dpf $(LINUX26_DIR)/uImage /tftpboot/$(LINUX26_KERNEL)
 230         mkdir -p $(TARGET_DIR)/boot/
 231         cp -dpf $(LINUX26_DIR)/.config $(TARGET_DIR)/boot/$(BOARD_NAME)-linux-$(LINUX26_VERSION).config
 232         cp -dpf .config $(TARGET_DIR)/boot/$(BOARD_NAME)-buildroot.config
 233         cp -dpf $(BUSYBOX_DIR)/.config $(TARGET_DIR)/boot/busybox.config
 234
 235 $(PROJECT_BUILD_DIR)/linux.bin: $(LINUX26_DIR)/vmlinux
 236         ${KERNEL_CROSS}objcopy -O binary -S $(LINUX26_DIR)/vmlinux $(PROJECT_BUILD_DIR)/linux.bin
 237
 238 $(LINUX26_DIR)/uImage: $(LINUX26_DIR)/arch/$(ARCH)/boot/uImage
 239         cp -dpf $(LINUX26_DIR)/arch/$(ARCH)/boot/uImage $(LINUX26_DIR)/uImage
 240
 241
 242 $(PROJECT_BUILD_DIR)/xxxx: $(PROJECT_BUILD_DIR)/linux.bin $(MKIMAGE)
 243         gzip -v9 -c $(PROJECT_BUILD_DIR)/linux.bin > $(PROJECT_BUILD_DIR)/linux.bin.gz
 244         $(MKIMAGE) -A $(ARCH) \
 245                                 -O linux \
 246                                 -C gzip \
 247                                 -a 0x20008000 \
 248                                 -e 0x20008000 \
 249                                 -d $(PROJECT_BUILD_DIR)/linux.bin.gz \
 250                                 $(LINUX26_DIR)/uImage
 251         rm -f $(PROJECT_BUILD_DIR)/linux.bin.gz
 252 #-----------------------------------------------------------------------------------
 253
 254 $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_TARGET) $(TARGET_DIR)/sbin/modprobe $(LINUX26_DIR)/vmlinux
 255         rm -rf $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)
 256         rm -f $(TARGET_DIR)/sbin/cardmgr
 257         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) \
 258                 DEPMOD=$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 \
 259                 INSTALL_MOD_PATH=$(TARGET_DIR) modules_install
 260         (cd $(TARGET_DIR)/lib/modules; \
 261           rm -f drivers; \
 262           ln -s $(LINUX26_VERSION)/kernel/drivers .)
 263         chmod a+x target/depmod.pl
 264         target/depmod.pl \
 265                 -b $(TARGET_DIR)/lib/modules/$(DOWNLOAD_LINUX26_VERSION) \
 266                 -k $(LINUX26_DIR)/vmlinux \
 267                 -F $(LINUX26_DIR)/System.map \
 268                 > $(TARGET_DIR)/lib/modules/$(shell cat $(LINUX26_DIR)/include/config/kernel.release 2> /dev/null)/modules.dep
 269         rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build
 270         touch -c $@
 271
 272 $(STAGING_DIR)/include/linux/version.h: $(LINUX26_DIR)/.configured
 273         mkdir -p $(STAGING_DIR)/include
 274         tar -ch -C $(LINUX26_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
 275         tar -ch -C $(LINUX26_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
 276
 277 linux26-menuconfig: $(LINUX26_DIR)/.patched host-sed
 278         [ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
 279         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) menuconfig
 280         -[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
 281
 282 linux26: cross-depmod26 $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep $(LINUX26_TARGET)
 283
 284 linux26-source: $(DL_DIR)/$(LINUX26_SOURCE)
 285
 286 # This has been renamed so we do _NOT_ by default run this on 'make clean'
 287 linux26clean:
 288         rm -f $(LINUX26_TARGET)
 289         rm -f $(PROJECT_BUILD_DIR)/linux.bin
 290         rm -f $(LINUX26_DIR)/uImage
 291         -$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean
 292
 293 linux26-dirclean:
 294         rm -f $(LINUX26_TARGET)
 295         rm -f $(PROJECT_BUILD_DIR)/linux.bin
 296         rm -rf $(LINUX26_DIR)
 297
 298 linux-update:
 299         cp -dpf $(LINUX26_DIR)/.config $(LINUX26_KCONFIG)
 300
 301 linux-test:
 302         @echo "LINUX_HEADERS_VERSION" $(LINUX_HEADERS_VERSION)
 303         @echo "BR2_PACKAGE_LINUX" $(BR2_PACKAGE_LINUX)
 304         @echo "BR2_CUSTOM_DOWNLOAD_LINUX26_VERSION" $(BR2_CUSTOM_DOWNLOAD_LINUX26_VERSION)
 305         @echo "BR2_CUSTOM_LINUX26_VERSION" $(BR2_CUSTOM_LINUX26_VERSION)
 306         @echo "BR2_CUSTOM_LINUX26_RC_PATCH" $(BR2_CUSTOM_LINUX26_RC_PATCH)
 307         @echo "BR2_LINUX_BSP_PATCH" $(BR2_LINUX_BSP_PATCH)
 308         @echo "BR2_DOWNLOAD_LINUX26_VERSION" $(BR2_DOWNLOAD_LINUX26_VERSION)
 309         @echo "BR2_LINUX26_VERSION" $(BR2_LINUX26_VERSION)
 310         @echo "LINUX26_VERSION" $(LINUX26_VERSION)
 311         @echo "BR2_LINUX26_RC_PATCH" $(BR2_LINUX26_RC_PATCH)
 312         @echo "BR2_PACKAGE_LINUX26_KCONFIG" $(BR2_PACKAGE_LINUX_KCONFIG)
 313         @echo "LINUX26_KCONFIG" $(LINUX26_KCONFIG)
 314         @echo "BR2_LINUX_BIN_CUSTOM" $(BR2_LINUX_BIN_CUSTOM)
 315         @echo "BR2_PACKAGE_LINUX_FORMAT" $(BR2_PACKAGE_LINUX_FORMAT)
 316         @echo "BR2_LINUX_IN_ROOTFS" $(BR2_LINUX_IN_ROOTFS)
 317         @echo "BR2_LINUX_2_6_22_1" $(BR2_LINUX_2_6_22_1)
 318