############################################################################### # # Linux kernel 2.6 target (Advanced configuration) # ############################################################################### ifneq ($(filter $(TARGETS),linux26),) # ----------------------------------------------------------------------------- # Make sure LINUX_HEADERS_VERSION is defined ifeq ($(LINUX_HEADERS_VERSION),) # We did not have headers (this is for real???) LINUX_HEADERS_VERSION:=2.6.22.1 endif # ----------------------------------------------------------------------------- # STRATEGY FOR DOWNLOAD_LINUX26_VERSION # 1. Use definition from user Makefile # 2. Use definition from Kconfig # 3. Use Linux Headers version # 4. Use default (2.6.22.1) ifeq ($(DOWNLOAD_LINUX26_VERSION),) ifneq ($(BR2_DOWNLOAD_LINUX26_VERSION),) DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",,$(BR2_DOWNLOAD_LINUX26_VERSION))) #")) else DOWNLOAD_LINUX26_VERSION:=$(LINUX_HEADERS_VERSION) endif endif # ----------------------------------------------------------------------------- # STRATEGY FOR LINUX26_VERSION # 1. Use definition from user Makefile # 2. Use definition from Kconfig # 3. Use Linux Headers version # 4. Use default (2.6.22.1) ifeq ($(LINUX26_VERSION),) ifneq ($(BR2_LINUX26_VERSION),) LINUX26_VERSION:=$(strip $(subst ",,$(BR2_LINUX26_VERSION))) #")) else LINUX26_VERSION:=$(LINUX_HEADERS_VERSION) endif endif ifeq ($(BOARD_PATH),) BOARD_PATH:=$(strip $(subst ",,$(BR2_BOARD_PATH))) #")) endif # Version of Linux AFTER patches LINUX26_DIR:=$(PROJECT_BUILD_DIR)/linux-$(LINUX26_VERSION) # for packages that need it LINUX_VERSION:=$(LINUX26_VERSION) LINUX_DIR:=$(LINUX26_DIR) # ----------------------------------------------------------------------------- # Define source name and sites LINUX26_SOURCE:=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2 LINUX26_SITE:=$(strip $(subst ",,$(BR2_KERNEL_SITE))) #")) LINUX26_PATCH_SOURCE:=$(strip $(subst ",,$(BR2_KERNEL_PATCH))) #")) LINUX26_PATCH_SITE:=$(strip $(subst ",,$(BR2_KERNEL_PATCH_SITE))) #")) LINUX26_BSP_PATCH:=$(strip $(subst ",,$(BR2_LINUX_BSP_PATCH))) #")) LINUX26_PATCH_SITE:=$(strip $(subst ",,$(BR2_KERNEL_SITE))) #")) # ------------------------------------ # kernel patches provided by buildroot ifeq ($(strip $(LINUX26_PATCH_DIR)),) LINUX26_PATCH_DIR:=$(BOARD_PATH)/kernel-patches/ endif # ----------------------------------------------------------------------------- # Linux kernel configuration file # This is used if BR2_PACKAGE_LINUX_USE_KCONFIG is set # Has to be set by the target/device # If it is not set by the target/device, then pick the one from .config ifndef LINUX26_KCONFIG ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))),) LINUX26_KCONFIG:=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))) #")) #")) else ifeq ($(BR2_i386),y) LINUX26_KCONFIG:=$(BOARD_PATH)/linux26.config else LINUX26_KCONFIG:=$(BOARD_PATH)/linux-$(LINUX26_VERSION).config endif endif endif # ----------------------------------------------------------------------------- ifndef LINUX26_FORMAT ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT))),) #")) LINUX26_FORMAT:=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT))) #")) else LINUX26_FORMAT:=zImage endif endif # ----------------------------------------------------------------------------- # Has to be set by the target/device ifeq ($(LINUX26_BINLOC),) # -------------- # VMLINUX ifeq ($(LINUX26_FORMAT),vmlinux) LINUX26_BINLOC:=$(LINUX26_FORMAT) KERNEL_EXT:= endif # -------------- # UIMAGE ifeq ($(LINUX26_FORMAT),uImage) ifeq ($(BR2_avr32),y) LINUX26_BINLOC:=arch/$(KERNEL_ARCH)/boot/images/$(LINUX26_FORMAT) else LINUX26_BINLOC:=arch/$(KERNEL_ARCH)/boot/$(LINUX26_FORMAT) endif KERNEL_EXT:=.gz endif # -------------- # ZIMAGE ifeq ($(LINUX26_FORMAT),zImage) LINUX26_BINLOC:=arch/$(KERNEL_ARCH)/boot/$(LINUX26_FORMAT) KERNEL_EXT:=.z endif # -------------- # BZIMAGE ifeq ($(LINUX26_FORMAT),bzImage) LINUX26_BINLOC:=arch/$(KERNEL_ARCH)/boot/bzImage KERNEL_EXT:= endif endif # ----------------------------------------------------------------------------- # File name for the Linux kernel binary ifeq ($(LINUX26_FORMAT),uImage) LINUX26_KERNEL_NAME:="uImage" endif ifeq ($(LINUX26_FORMAT),bzImage) LINUX26_KERNEL_NAME:="bzImage" endif ifeq ($(LINUX26_FORMAT),vmlinux) LINUX26_KERNEL_NAME:="vmlinux" endif ifeq ($(LINUX26_FORMAT),zImage) LINUX26_KERNEL_NAME:="zImage" endif ifeq ($(LINUX26_FORMAT),custom) LINUX26_KERNEL_NAME:=$(BOARD_NAME)-linux-$(LINUX26_VERSION)-$(DATE)$(KERNEL_EXT) endif ifeq ($(BOARD_NAME),) BOARD_NAME=$(ARCH) endif ifndef LINUX26_KERNEL LINUX26_KERNEL:=$(BINARIES_DIR)/$(BOARD_NAME)-linux-$(LINUX26_VERSION)-$(DATE)$(KERNEL_EXT) endif # for packages that need it LINUX_KERNEL:=$(LINUX26_KERNEL) # ----------------------------------------------------------------------------- LINUX26_BZCAT:=$(BZCAT) __LINUX26_NO_PIC=-fPIC -fpic -DPIC -fwrapv -ftrapv LINUX26_MAKE_FLAGS = HOSTCC="$(HOSTCC)" HOSTCFLAGS="$(HOSTCFLAGS)" \ ARCH=$(KERNEL_ARCH) \ CFLAGS_KERNEL="$(filter-out $(__LINUX26_NO_PIC),$(TARGET_CFLAGS))" \ INSTALL_MOD_PATH=$(TARGET_DIR) \ CROSS_COMPILE=$(KERNEL_CROSS) \ LDFLAGS="$(TARGET_LDFLAGS)" \ LZMA="$(LZMA)" # ============================================================================= $(LINUX26_KCONFIG): @if [ ! -f "$(LINUX26_KCONFIG)" ] ; then \ echo ""; \ echo "You should create a .config for your kernel"; \ echo "and install it as $(LINUX26_KCONFIG)"; \ echo ""; \ sleep 5; \ fi # ============================================================================= ifneq ($(strip $(LINUX26_VERSION)),$(strip $(LINUX_HEADERS_VERSION))) $(DL_DIR)/$(LINUX26_SOURCE): $(WGET) -P $(DL_DIR) $(LINUX26_SITE)/$(LINUX26_SOURCE) endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION)) ifneq ($(strip $(LINUX26_PATCH_SOURCE)),) $(DL_DIR)/$(LINUX26_PATCH_SOURCE): $(WGET) -P $(DL_DIR) $(LINUX26_PATCH_SITE)/$(LINUX26_PATCH_SOURCE) endif $(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE) rm -rf $(LINUX26_DIR) @echo "*** Unpacking kernel source" $(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(PROJECT_BUILD_DIR) $(TAR_OPTIONS) - ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION)) # Rename the dir from the downloaded version to the AFTER patch version mv -f $(PROJECT_BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR) endif touch $@ # ----------------------------------------------------------------------------- LINUX26_TARGETS+=$(LINUX26_KERNEL) ifeq ($(BR2_LINUX_COPYTO_ROOTFS),y) LINUX26_TARGETS+=$(TARGET_DIR)/boot/$(LINUX26_KERNEL_NAME) endif ifeq ($(BR2_LINUX_COPYTO_TFTPBOOT),y) LINUX26_TARGETS+=/tftpboot/$(LINUX26_KERNEL_NAME) endif ifneq ($(strip $(subst ",,$(BR2_LINUX_COPYTO))),) LINUX_COPYTO:=$(strip $(subst ",,$(BR2_LINUX_COPYTO))) #")) #")) LINUX26_TARGETS+=$(LINUX_COPYTO)/$(LINUX26_KERNEL_NAME) endif ifneq ($(BR2_LINUX_COPY_CONFIGURATION),) LINUX26_TARGETS+=$(TARGET_DIR)/boot/buildroot.config LINUX26_TARGETS+=$(TARGET_DIR)/boot/linux-$(LINUX26_VERSION).config LINUX26_TARGETS+=$(TARGET_DIR)/boot/uclibc.config ifeq ($(BR2_PACKAGE_BUSYBOX),y) LINUX26_TARGETS+=$(TARGET_DIR)/boot/busybox.config endif endif # ----------------------------------------------------------------------------- $(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked $(LINUX_HEADERS_DEPENDS) ifneq ($(LINUX26_PATCH_SOURCE),) toolchain/patch-kernel.sh $(LINUX26_DIR) $(DL_DIR) $(LINUX26_PATCH_SOURCE) endif ifneq ($(LINUX26_BSP_PATCH),) toolchain/patch-kernel.sh $(LINUX26_DIR) $(DL_DIR) $(LINUX26_BSP_PATCH) endif toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} ifeq ($(BR2_KERNEL_HEADERS_IPMI),y) toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers/ipmi \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} endif ifeq ($(BR2_KERNEL_HEADERS_LZMA),y) toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers/lzma \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} endif ifeq ($(BR2_KERNEL_HEADERS_RT),y) toolchain/patch-kernel.sh $(LINUX26_DIR) $(DL_DIR) $(LINUX_RT_SOURCE) endif ifeq ($(BR2_KERNEL_HEADERS_PATCH_DIR),y) if [ -d $(KERNEL_HEADERS_PATCH_DIR) ] ; then \ toolchain/patch-kernel.sh $(LINUX26_DIR) $(KERNEL_HEADERS_PATCH_DIR) \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} ; \ fi endif ifeq ($(BR2_PACKAGE_OPENSWAN),y) toolchain/patch-kernel.sh $(LINUX26_DIR) package/openswan \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} endif ifneq ($(LINUX26_PATCH_DIR),) if [ -d $(LINUX26_PATCH_DIR) ] ; then \ toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR) \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} ; \ fi endif touch $@ # ----------------------------------------------------------------------------- $(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG) ifeq ($(BR2_PACKAGE_LINUX_USE_DEFCONFIG),y) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(BOARD_NAME)_defconfig endif ifeq ($(BR2_PACKAGE_LINUX_USE_XCONFIG),y) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) xconfig endif ifeq ($(BR2_PACKAGE_LINUX_USE_KCONFIG),y) cp -dpf $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config endif $(SED) '/CONFIG_AEABI=y/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 $(SED) '/CONFIG_IPV6=y/d' $(LINUX26_DIR)/.config ifeq ($(BR2_INET_IPV6),y) echo "CONFIG_IPV6=y" >> $(LINUX26_DIR)/.config else echo "# CONFIG_IPV6 is not set" >> $(LINUX26_DIR)/.config endif $(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config $(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y) echo "CONFIG_INITRAMFS_SOURCE=\"$(INITRAMFS_TARGET)\"" >> \ $(LINUX26_DIR)/.config echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config else echo "CONFIG_INITRAMFS_SOURCE=\"\"" >> $(LINUX26_DIR)/.config endif ifeq ($(BR2_PACKAGE_BUSYBOX_INITRAMFS),y) # precedence for a small initramfs $(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config $(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config echo "CONFIG_INITRAMFS_SOURCE=\"$(BB_INITRAMFS_TARGET)\"" >> \ $(LINUX26_DIR)/.config echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config endif $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig touch $@ # ----------------------------------------------------------------------------- $(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare touch $@ $(LINUX26_KERNEL): $(INITRAMFS_TARGET) $(BB_INITRAMFS_TARGET) \ $(LINUX26_DIR)/.depend_done $(MAKE) $(LINUX26_MAKE_FLAGS) \ -C $(LINUX26_DIR) $(LINUX26_FORMAT) cp -dpf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL) touch -c $@ # ----------------------------------------------------------------------------- $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_DIR)/.configured rm -rf $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION) rm -f $(TARGET_DIR)/sbin/cardmgr $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) \ DEPMOD=$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 \ INSTALL_MOD_PATH=$(TARGET_DIR) modules_install rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/source $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 -b $(TARGET_DIR) $(LINUX26_VERSION) #$(LINUX_HEADERS_VERSION) touch -c $@ 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-xconfig: $(LINUX26_DIR)/.patched host-sed [ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) xconfig -[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured $(TARGET_DIR)/boot/$(LINUX26_KERNEL_NAME): $(LINUX26_KERNEL) mkdir -p $(TARGET_DIR)/boot cp -dpf $(LINUX26_KERNEL) $(TARGET_DIR)/boot/$(LINUX26_KERNEL_NAME) $(TARGET_DIR)/boot/buildroot.config: .config mkdir -p $(TARGET_DIR)/boot cp -dpf .config $(TARGET_DIR)/boot/buildroot.config $(TARGET_DIR)/boot/linux-$(LINUX26_VERSION).config: $(LINUX26_DIR)/.config mkdir -p $(TARGET_DIR)/boot cp -dpf $(LINUX26_DIR)/.config $(TARGET_DIR)/boot/linux-$(LINUX26_VERSION).config $(TARGET_DIR)/boot/uclibc.config: $(UCLIBC_DIR)/.config mkdir -p $(TARGET_DIR)/boot cp -dpf $(UCLIBC_DIR)/.config $(TARGET_DIR)/boot/uclibc.config $(TARGET_DIR)/boot/busybox.config: $(BUSYBOX_DIR)/.config mkdir -p $(TARGET_DIR)/boot cp -dpf .config $(TARGET_DIR)/boot/busybox.config /tftpboot/$(LINUX26_KERNEL_NAME): $(LINUX26_KERNEL) mkdir -p /tftpboot cp -dpf $(LINUX26_KERNEL) /tftpboot/$(LINUX26_KERNEL_NAME) $(LINUX_COPYTO)/$(LINUX26_KERNEL_NAME): $(LINUX26_KERNEL) mkdir -p $(LINUX_COPYTO) cp -dpf $(LINUX26_KERNEL) $(LINUX_COPYTO)/$(LINUX26_KERNEL_NAME) linux26: $(LINUX26_TARGETS) $(LINUX26_DIR)/.modules_installed: $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep touch $@ linux26-modules: cross-depmod26 $(LINUX26_DIR)/.modules_installed linux26-source: $(DL_DIR)/$(LINUX26_SOURCE) linux26-unpacked: $(LINUX26_DIR)/.patched linux26-config: host-sed $(LINUX26_DIR)/.configured linux26-update: cp -dpf $(LINUX26_DIR)/.config $(LINUX26_KCONFIG) # This has been renamed so we do _NOT_ by default run this on 'make clean' linux26clean: rm -f $(LINUX26_KERNEL) $(LINUX26_DIR)/.configured -$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean linux26-dirclean: rm -rf $(LINUX26_DIR) linux-status: @echo PROJECT_BUILD_DIR=$(PROJECT_BUILD_DIR) @echo BOARD_NAME=$(BOARD_NAME) @echo BR2_BOARD_PATH=$(BR2_BOARD_PATH) @echo DOWNLOAD_LINUX26_VERSION=$(DOWNLOAD_LINUX26_VERSION) @echo LINUX26_VERSION=$(LINUX26_VERSION) @echo LINUX26_SOURCE=$(LINUX26_SOURCE) @echo LINUX26_DIR=$(LINUX26_DIR) @echo LINUX26_PATCH_DIR=$(LINUX26_PATCH_DIR) @echo TARGETS=$(TARGETS) @echo LINUX26_TARGETS=$(LINUX26_TARGETS) @echo LINUX26_HEADERS_PATCH_DIR=$(LINUX26_HEADERS_PATCH_DIR) @echo LINUX_HEADERS_VERSION=$(LINUX_HEADERS_VERSION) @echo LINUX26_BINLOC=$(LINUX26_BINLOC) @echo LINUX26_FORMAT=$(LINUX26_FORMAT) @echo LINUX26_KERNEL=$(LINUX26_KERNEL) @echo LINUX26_KERNEL_NAME=$(LINUX26_KERNEL_NAME) @echo BR2_KERNEL_SITE=$(BR2_KERNEL_SITE) @echo BR2_KERNEL_PATCH_SITE=$(BR2_KERNEL_PATCH_SITE) @echo BR2_KERNEL_PATCH=$(BR2_KERNEL_PATCH) @echo BR2_LINUX26_CUSTOM=$(BR2_LINUX26_CUSTOM) @echo BR2_CUSTOM_LINUX26_PATCH_SITE=$(BR2_CUSTOM_LINUX26_PATCH_SITE) @echo BR2_CUSTOM_LINUX26_PATCH=$(BR2_CUSTOM_LINUX26_PATCH) @echo BR2_LINUX_BSP_PATCH=$(BR2_LINUX_BSP_PATCH) @echo BR2_PACKAGE_LINUX_USE_KCONFIG=$(BR2_PACKAGE_LINUX_USE_KCONFIG) @echo BR2_PACKAGE_LINUX_USE_DEFCONFIG=$(BR2_PACKAGE_LINUX_USE_DEFCONFIG) @echo BR2_PACKAGE_LINUX_USE_XCONFIG=$(BR2_PACKAGE_LINUX_USE_XCONFIG) @echo BR2_PACKAGE_LINUX_KCONFIG=$(BR2_PACKAGE_LINUX_KCONFIG) @echo BR2_LINUX_COPYTO_ROOTFS=$(BR2_LINUX_COPYTO_ROOTFS) @echo BR2_LINUX_COPYTO_TFTPBOOT=$(BR2_LINUX_COPYTO_TFTPBOOT=) @echo BR2_LINUX_COPYTO=$(BR2_LINUX_COPYTO) @echo LINUX_COPYTO=$(LINUX_COPYTO) @echo BR2_KERNEL_MINORLEVEL=$(BR2_KERNEL_MINORLEVEL) @echo LINUX26_LATEST_RC_PATCH=$(LINUX26_LATEST_RC_PATCH) @echo BR2_KERNEL_RC_LEVEL=$(BR2_KERNEL_RC_LEVEL) @echo LINUX26_LATEST_MM_PATCH=$(LINUX26_LATEST_MM_PATCH) @echo BR2_KERNEL_MM_LEVEL=$(BR2_KERNEL_MM_LEVEL) @echo LINUX26_LATEST_GIT_PATCH=$(LINUX26_LATEST_GIT_PATCH) @echo BR2_KERNEL_GIT_LEVEL=$(BR2_KERNEL_GIT_LEVEL) @echo KERNEL_EXT=$(KERNEL_EXT) endif