############################################################# # # Linux kernel 2.6 target # ############################################################# ifneq ($(filter $(TARGETS),linux26),) ifeq ($(DOWNLOAD_LINUX26_VERSION),) # User did not define linux version, try using headers ifeq ($(LINUX_HEADERS_VERSION),) # We did not have headers (this is for real???) # Version of linuc before patches DOWNLOAD_LINUX26_VERSION=2.6.22.1 # Version of Linux after applying any patches LINUX26_VERSION=2.6.22.1 else # OK, we have headers, use them... DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION) LINUX26_VERSION=$(LINUX_HEADERS_VERSION) endif endif LINUX26_SOURCE=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2 LINUX26_BZCAT:=$(BZCAT) LINUX26_SITE=$(BR2_KERNEL_MIRROR)/linux/kernel/v2.6 ifeq ($(BOARD_PATH),) BOARD_PATH:=$(call qstrip,$(BR2_BOARD_PATH)) endif # Linux kernel configuration file # Has to be set by the target/device # If it is not set by the target/device, then pick the one from .config ifndef LINUX26_KCONFIG ifneq ($(call qstrip,$(BR2_PACKAGE_LINUX_KCONFIG)),) LINUX26_KCONFIG=$(call qstrip,$(BR2_PACKAGE_LINUX_KCONFIG)) else # LINUX26_KCONFIG=$(BOARD_PATH)/linux26.config endif endif ifndef LINUX26_FORMAT ifneq ($(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT)),) LINUX26_FORMAT=$(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT)) else LINUX26_FORMAT=zImage endif endif # Has to be set by the target/device ifndef LINUX26_BINLOC # default: ifeq ($(LINUX26_FORMAT),vmlinux) LINUX26_BINLOC=$(LINUX26_FORMAT) else ifeq ($(BR2_ARCH),"cris") LINUX26_BINLOC=arch/$(KERNEL_ARCH)/arch-v10/boot/$(LINUX26_FORMAT) else LINUX26_BINLOC=arch/$(KERNEL_ARCH)/boot/$(LINUX26_FORMAT) endif endif endif ROOTFS_STRIPPED_SUFFIX=$(call qstrip,$(ROOTFS_SUFFIX)) # File name for the Linux kernel binary ifndef LINUX26_KERNEL LINUX26_KERNEL_NAME=$(BINARIES_DIR)/$(LINUX26_FORMAT)$(ROOTFS_STRIPPED_SUFFIX) endif # Version of Linux AFTER patches LINUX26_DIR=$(BUILD_DIR)/linux-$(LINUX26_VERSION) # for packages that need it LINUX_VERSION:=$(LINUX26_VERSION) LINUX_DIR=$(LINUX26_DIR) LINUX_KERNEL=$(LINUX26_KERNEL_NAME) # kernel patches ifeq ($(strip $(LINUX26_PATCH_DIR)),) ifneq ($(BOARD_PATH),) LINUX26_PATCH_DIR:=$(BOARD_PATH)/kernel-patches/ endif endif LINUX26_MAKE_FLAGS = HOSTCC="$(HOSTCC)" HOSTCFLAGS="$(HOSTCFLAGS)" \ ARCH=$(KERNEL_ARCH) \ 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): $(call DOWNLOAD,$(LINUX26_SITE),$(LINUX26_SOURCE)) endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION)) $(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE) rm -rf $(LINUX26_DIR) @echo "*** Unpacking kernel source" $(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) - ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION)) # Rename the dir from the downloaded version to the AFTER patch version mv -f $(BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR) endif touch $@ $(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked $(LINUX_HEADERS_DEPENDS) toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} ifeq ($(BR2_KERNEL_HEADERS_RT),y) toolchain/patch-kernel.sh $(LINUX26_DIR) $(DL_DIR) $(LINUX_RT_SOURCE) endif ifneq ($(KERNEL_HEADERS_PATCH_DIR),) toolchain/patch-kernel.sh $(LINUX26_DIR) $(KERNEL_HEADERS_PATCH_DIR) \ linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2} 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 ; \ fi endif touch $@ $(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG) cp -dpf $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config $(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_NAME): $(INITRAMFS_TARGET) $(BB_INITRAMFS_TARGET) \ $(LINUX26_DIR)/.depend_done $(MAKE) $(LINUX26_MAKE_FLAGS) \ -C $(LINUX26_DIR) $(LINUX26_FORMAT) cp -pf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL_NAME) 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 @if grep -q CONFIG_MODULES=y $(LINUX26_DIR)/.config; then \ set -x; \ echo "Have CONFIG_MODULES"; \ $(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 \ $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/source; \ $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 -b $(TARGET_DIR) $(LINUX_HEADERS_VERSION); \ else \ echo "No CONFIG_MODULES"; \ fi touch -c $@ linux26-menuconfig: $(LINUX26_DIR)/.patched host-sed if [ ! -f $(LINUX26_DIR)/.config ]; then \ [ -n "$(LINUX26_KCONFIG)" ] && [ -f $(LINUX26_KCONFIG) ] && \ cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config || \ true; \ fi $(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 linux26: $(LINUX26_KERNEL_NAME) $(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) # force rebuild linux26-force: touch $(LINUX26_DIR)/.configured # This has been renamed so we do _NOT_ by default run this on 'make clean' linux26clean: rm -f $(LINUX26_KERNEL_NAME) $(LINUX26_DIR)/.configured -$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean linux26-dirclean: rm -rf $(LINUX26_DIR) endif