############################################################# # # Linux kernel 2.6 target # ############################################################# ifneq ($(filter $(TARGETS),linux26),) ifeq ($(LINUX_HEADERS_VERSION),) # Version of Linux to download and then apply patches to # XXX: andersee, i do not understand why we need this (BF) DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",, $(BR2_DOWNLOAD_LINUX26_VERSION))) # ")) LINUX26_VERSION:=$(strip $(subst ",, $(BR2_LINUX26_VERSION))) # ")) LINUX26_RC_PATCH:=$(strip $(subst ",, $(BR2_LINUX26_RC_PATCH))) # ")) LINUX_BSP_PATCH:=$(strip $(subst ",, $(BR2_LINUX_BSP_ATMEL_PATCH))) # " )) MKIMAGE:=$(BUILD_DIR)/mkimage ifeq ($(DOWNLOAD_LINUX26_VERSION),) DOWNLOAD_LINUX26_VERSION=2.6.19.2 endif # Version of Linux after applying any patches LINUX26_VERSION=$(DOWNLOAD_LINUX26_VERSION) else # --------------------------------------------------- # Define DOWNLOAD_LINUX26_VERSION unless defined ifeq ($(strip $(BR2_DOWNLOAD_LINUX26_VERSION)),) DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION) else DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",, $(BR2_DOWNLOAD_LINUX26_VERSION))) # ")) endif # Define LINUX26_VERSION unless defined ifeq ($(strip $(BR2_LINUX26_VERSION)),) LINUX26_VERSION=$(LINUX_HEADERS_VERSION) else LINUX26_VERSION:=$(strip $(subst ",, $(BR2_LINUX26_VERSION))) # ")) endif endif # --------------------------------------------------- # Handle case when we want to build using an "rc" patch # Example: to build 2.6.21-rc1 you need to: # * Download linux-2.6.20 # * Apply patch-2.6.21-rc1 LINUX26_SOURCE:=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2 LINUX26_SITE=http://ftp.kernel.org/pub/linux/kernel/v2.6 LINUX26_BZCAT:=$(BZCAT) # Linux kernel binary LINUX26_FORMAT:=$(strip $(subst ",, $(BR2_LINUX26_FORMAT))) # " )) # Linux kernel configuration file ifeq ($(strip $(LINUX26_KCONFIG)),) LINUX26_KCONFIG=$(BR2_BOARD_PATH)/linux26.config endif # File name for the Linux kernel binary ifeq ($(strip $(LINUX26_KERNEL)),) #LINUX26_KERNEL=linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH) LINUX26_KERNEL:=$(BOARD_NAME)-linux-$(LINUX26_VERSION)-$(DATE).gz endif ifeq ($(strip $(LINUX26_BINLOC)),) LINUX26_BINLOC=$(LINUX26_FORMAT) endif # Put binary in root file system ifeq ($(strip $(BR2_LINUX_IN_ROOTFS)),y) ifeq ($(strip $(LINUX26_TARGET)),) LINUX26_TARGET:=$(TARGET_DIR)/boot/$(LINUX26_BINLOC) endif else LINUX26_TARGET:=$(BINARIES_DIR)/$(LINUX26_KERNEL) endif endif ifeq ($(strip $(LINUX26_BUILD_DIR)),) LINUX26_BUILD_DIR=$(PROJECT_BUILD_DIR) endif ifeq ($(strip $(BR2_LINUX26_DEFCONFIG)),y) LINUX26_DEFCONFIG=$(BOARD_NAME)_defconfig endif # Version of Linux AFTER patches LINUX26_DIR=$(LINUX26_BUILD_DIR)/linux-$(LINUX26_VERSION) # for packages that need it LINUX_VERSION=$(LINUX26_VERSION) LINUX_DIR=$(LINUX26_DIR) LINUX_KERNEL=$(LINUX26_KERNEL) # kernel patches ifeq ($(strip $(subst ",, $(LINUX26_PATCH_DIR))),) # "))) LINUX26_PATCH_DIR:=$(BR2_BOARD_PATH)/kernel-patches/ endif PATCH_DIR=$(strip $(subst ",, $(LINUX26_PATCH_DIR))) # " )) LINUX26_MAKE_FLAGS = $(TARGET_CONFIGURE_OPTS) ARCH=$(KERNEL_ARCH) \ PATH=$(TARGET_PATH) INSTALL_MOD_PATH=$(TARGET_DIR) \ CROSS_COMPILE=$(KERNEL_CROSS) $(LINUX26_KCONFIG): @if [ ! -f "$(LINUX26_KCONFIG)" ] ; then \ echo ""; \ echo "You should create a .config for your kernel"; \ echo "and install it as $(LINUX26_KCONFIG)"; \ echo ""; \ sleep 5; \ fi; # Check if we have a release candidate. # This makes life complex # To build linux-2.6.21-rc2 you need to: # * Download linux.2.6.20.tar.bz2 # * Download patch-2.6.21-rc2.bz2 # I:E you have to download the *previous* major version ifneq ($(LINUX26_RC_PATCH),) # We have a "release candidate" LINUX26_RC_PATCH_SOURCE:=$(PROJECT_BUILD_DIR)/linux-patch/$(LINUX26_RC_PATCH) # Create rule to download the patch $(LINUX26_RC_PATCH_SOURCE): mkdir -p $(PROJECT_BUILD_DIR)/linux-patch/ $(WGET) -P $(PROJECT_BUILD_DIR)/linux-patch $(LINUX26_SITE)/$(LINUX26_RC_PATCH) # $(LINUX26_BZCAT) $(PROJECT_BUILD_DIR)/linux-patch/$(LINUX26_RC_PATCH).bz2 else # We have a vanilla style linux kernel LINUX26_RC_PATCH_SOURCE:= endif ifneq ($(strip $(LINUX_HEADERS_SOURCE)),$(strip $(LINUX26_SOURCE))) $(DL_DIR)/$(LINUX26_SOURCE): $(WGET) -P $(DL_DIR) $(LINUX26_SITE)/$(LINUX26_SOURCE) endif $(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE) $(LINUX26_RC_PATCH_SOURCE) rm -rf $(LINUX26_DIR) $(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(LINUX26_BUILD_DIR) $(TAR_OPTIONS) - ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION)) # Rename the dir from the downloaded version to the AFTER patch version mv -f $(LINUX26_BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR) endif ifneq ($(LINUX26_RC_PATCH),) -(cd $(LINUX26_DIR); $(LINUX26_BZCAT) $(LINUX26_RC_PATCH_SOURCE) | patch -p1) endif -(cd $(TOOL_BUILD_DIR); ln -snf $(LINUX26_DIR) linux) rm -f $(LINUX26_DIR)/.kernelrelease echo $(LINUX26_VERSION) > $(LINUX26_DIR)/.kernelrelease touch $@ $(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked echo $(PATCH_DIR) toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR) touch $@ $(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG) -ls -l $(LINUX26_DIR)/.patched -ls -l $(LINUX26_KCONFIG) -ls -l $(LINUX26_DIR)/.configured -ls -l $(LINUX26_DIR)/.unpacked -ls -l $(DL_DIR)/$(LINUX26_SOURCE) -ls -l $(LINUX26_RC_PATCH_SOURCE) ifeq ($(strip $(BR2_LINUX26_DEFCONFIG)),y) make ARCH=$(ARCH) -C $(LINUX26_DIR) $(BOARD_NAME)_defconfig else cp -df --preserve=mode,ownership $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config endif ifeq ($(strip $(BR2_LINUX_CUSTOMIZE)),y) make -C $(LINUX26_DIR) xconfig endif $(SED) '/CONFIG_AEABI/d' $(LINUX26_DIR)/.config ifeq ($(BR2_ARM_EABI),y) echo "CONFIG_AEABI=y" >> $(LINUX26_DIR)/.config $(SED) '/CONFIG_OABI_COMPAT/d' $(LINUX26_DIR)/.config echo "# CONFIG_OABI_COMPAT is not set" >> $(LINUX26_DIR)/.config else echo "# CONFIG_AEABI is not set" >> $(LINUX26_DIR)/.config endif $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig include/linux/version.h touch $@ $(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare touch $@ $(LINUX26_DIR)/arch/$(ARCH)/boot/$(LINUX26_FORMAT): $(LINUX26_DIR)/vmlinux $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(LINUX26_FORMAT) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules touch -c $@ $(LINUX26_DIR)/vmlinux: $(LINUX26_DIR)/.depend_done $(STAGING_DIR)/include/linux/version.h $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) vmlinux $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules touch -c $@ #----------------------------------------------------------------------------------- # Rule can be enabled by setting # LINUX26_TARGET:= $(TARGET_DIR)/boot/$(LINUX26_BINLOC) # $(TARGET_DIR)/boot/$(LINUX26_FORMAT): $(LINUX26_DIR)/$(LINUX26_FORMAT) [ -d $(TARGET_DIR)/boot/ ] || mkdir $(TARGET_DIR)/boot cp -a $(LINUX26_DIR)/$(LINUX26_FORMAT) $(LINUX26_DIR)/System.map $(TARGET_DIR)/boot/$(LINUX26_FORMAT) touch -c $@ #----------------------------------------------------------------------------------- # Rule can be enabled by setting # LINUX26_TARGET:= $(BINARIES_DIR)/$(LINUX26_KERNEL) # LINUX26_FORMAT:= vmlinux $(BINARIES_DIR)/$(LINUX26_KERNEL): $(LINUX26_DIR)/uImage cp -dpf $(LINUX26_DIR)/uImage $(BINARIES_DIR)/$(LINUX26_KERNEL) cp -dpf $(LINUX26_DIR)/uImage /tftpboot/$(LINUX26_KERNEL) mkdir -p $(TARGET_DIR)/boot/ cp -dpf $(LINUX26_DIR)/.config $(TARGET_DIR)/boot/$(BOARD_NAME)-linux-$(LINUX26_VERSION).config cp -dpf .config $(TARGET_DIR)/boot/$(BOARD_NAME)-buildroot.config cp -dpf $(BUSYBOX_DIR)/.config $(TARGET_DIR)/boot/busybox.config $(PROJECT_BUILD_DIR)/linux.bin: $(LINUX26_DIR)/vmlinux ${KERNEL_CROSS}objcopy -O binary -S $(LINUX26_DIR)/vmlinux $(PROJECT_BUILD_DIR)/linux.bin $(LINUX26_DIR)/uImage: $(LINUX26_DIR)/arch/$(ARCH)/boot/uImage cp -dpf $(LINUX26_DIR)/arch/$(ARCH)/boot/uImage $(LINUX26_DIR)/uImage $(PROJECT_BUILD_DIR)/xxxx: $(PROJECT_BUILD_DIR)/linux.bin $(MKIMAGE) gzip -v9 -c $(PROJECT_BUILD_DIR)/linux.bin > $(PROJECT_BUILD_DIR)/linux.bin.gz $(MKIMAGE) -A $(ARCH) \ -O linux \ -C gzip \ -a 0x20008000 \ -e 0x20008000 \ -d $(PROJECT_BUILD_DIR)/linux.bin.gz \ $(LINUX26_DIR)/uImage rm -f $(PROJECT_BUILD_DIR)/linux.bin.gz #----------------------------------------------------------------------------------- $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_TARGET) $(TARGET_DIR)/sbin/modprobe $(LINUX26_DIR)/vmlinux rm -rf $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION) rm -f $(TARGET_DIR)/sbin/cardmgr $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) \ DEPMOD=$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 \ INSTALL_MOD_PATH=$(TARGET_DIR) modules_install (cd $(TARGET_DIR)/lib/modules; \ rm -f drivers; \ ln -s $(LINUX26_VERSION)/kernel/drivers .) chmod a+x target/depmod.pl target/depmod.pl \ -b $(TARGET_DIR)/lib/modules/$(DOWNLOAD_LINUX26_VERSION) \ -k $(LINUX26_DIR)/vmlinux \ -F $(LINUX26_DIR)/System.map \ > $(TARGET_DIR)/lib/modules/$(shell cat $(LINUX26_DIR)/include/config/kernel.release 2> /dev/null)/modules.dep rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build touch -c $@ $(STAGING_DIR)/include/linux/version.h: $(LINUX26_DIR)/.configured mkdir -p $(STAGING_DIR)/include tar -ch -C $(LINUX26_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/ tar -ch -C $(LINUX26_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/ linux26-menuconfig: $(LINUX26_DIR)/.patched host-sed [ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) menuconfig -[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured linux26: cross-depmod26 $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep $(LINUX26_TARGET) linux26-source: $(DL_DIR)/$(LINUX26_SOURCE) # This has been renamed so we do _NOT_ by default run this on 'make clean' linux26clean: rm -f $(LINUX26_TARGET) rm -f $(PROJECT_BUILD_DIR)/linux.bin rm -f $(LINUX26_DIR)/uImage -$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean linux26-dirclean: rm -f $(LINUX26_TARGET) rm -f $(PROJECT_BUILD_DIR)/linux.bin rm -rf $(LINUX26_DIR) linux-update: cp -dpf $(LINUX26_DIR)/.config $(LINUX26_KCONFIG) linux-test: @echo "LINUX_HEADERS_VERSION" $(LINUX_HEADERS_VERSION) @echo "BR2_PACKAGE_LINUX" $(BR2_PACKAGE_LINUX) @echo "BR2_CUSTOM_DOWNLOAD_LINUX26_VERSION" $(BR2_CUSTOM_DOWNLOAD_LINUX26_VERSION) @echo "BR2_CUSTOM_LINUX26_VERSION" $(BR2_CUSTOM_LINUX26_VERSION) @echo "BR2_CUSTOM_LINUX26_RC_PATCH" $(BR2_CUSTOM_LINUX26_RC_PATCH) @echo "BR2_LINUX_BSP_PATCH" $(BR2_LINUX_BSP_PATCH) @echo "BR2_DOWNLOAD_LINUX26_VERSION" $(BR2_DOWNLOAD_LINUX26_VERSION) @echo "BR2_LINUX26_VERSION" $(BR2_LINUX26_VERSION) @echo "LINUX26_VERSION" $(LINUX26_VERSION) @echo "BR2_LINUX26_RC_PATCH" $(BR2_LINUX26_RC_PATCH) @echo "BR2_PACKAGE_LINUX26_KCONFIG" $(BR2_PACKAGE_LINUX_KCONFIG) @echo "LINUX26_KCONFIG" $(LINUX26_KCONFIG) @echo "BR2_LINUX_BIN_CUSTOM" $(BR2_LINUX_BIN_CUSTOM) @echo "BR2_PACKAGE_LINUX_FORMAT" $(BR2_PACKAGE_LINUX_FORMAT) @echo "BR2_LINUX_IN_ROOTFS" $(BR2_LINUX_IN_ROOTFS) @echo "BR2_LINUX_2_6_22_1" $(BR2_LINUX_2_6_22_1)