| ############################################################# |
| # |
| # 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 ($(BOARD_PATH),) |
| BOARD_PATH:=$(strip $(subst ",,$(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 ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))),) |
| LINUX26_KCONFIG=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))) |
| #")) |
| #")) |
| else |
| # LINUX26_KCONFIG=$(BOARD_PATH)/linux26.config |
| endif |
| endif |
| |
| ifndef LINUX26_FORMAT |
| ifneq ($(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 |
| 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/$(LINUX26_FORMAT) |
| endif |
| endif |
| endif |
| |
| # File name for the Linux kernel binary |
| ifndef LINUX26_KERNEL |
| LINUX26_KERNEL=$(BINARIES_DIR)/linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH) |
| 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) |
| LINUX_KERNEL=$(LINUX26_KERNEL) |
| |
| # kernel patches |
| ifeq ($(strip $(LINUX26_PATCH_DIR)),) |
| ifneq ($(BOARD_PATH),) |
| LINUX26_PATCH_DIR:=$(BOARD_PATH)/kernel-patches/ |
| #")) |
| endif |
| endif |
| __LINUX26_NO_PIC=-fPIC -fpic -DPIC -fwrapv -ftrapv |
| __LINUX26_ZERO_OPTIMIZATION=-O0 |
| LINUX26_MAKE_FLAGS = HOSTCC="$(HOSTCC)" HOSTCFLAGS="$(HOSTCFLAGS)" \ |
| ARCH=$(KERNEL_ARCH) \ |
| CFLAGS_KERNEL="$(filter-out $(__LINUX26_NO_PIC) $(__LINUX26_ZERO_OPTIMIZATION),$(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): |
| $(call DOWNLOAD,$(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 $(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_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_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) |
| 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): $(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) |
| 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 |
| [ -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 |
| |
| linux26: $(LINUX26_KERNEL) |
| |
| $(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) $(LINUX26_DIR)/.configured |
| -$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean |
| |
| linux26-dirclean: |
| rm -rf $(LINUX26_DIR) |
| |
| endif |