path: root/target/linux/Makefile.in.advanced

###############################################################################
#
# 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-$(LINUX26_VERSION)/
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:=$(BR2_BOARD_PATH)/$(BR2_BOARD_NAME)-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/$(LINUX26_FORMAT)
KERNEL_EXT:=.bz
endif

endif

# -----------------------------------------------------------------------------
# File name for the Linux kernel binary
LINUX26_KERNEL_NAME:=$(BOARD_NAME)-linux-$(LINUX26_VERSION)-$(DATE)$(KERNEL_EXT)

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 ; \
	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) $(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=$(LINUX26_DIR)
	@echo TARGETS=$(TARGETS)
	@echo LINUX26_TARGETS=$(LINUX26_TARGETS)
	@echo LINUX26_HEADERS_PATCH_DIR=$(LINUX26_HEADERS_PATCH_DIR)
	@echo LINUX26_BINLOC=$(LINUX26_BINLOC)
	@echo LINUX26_FORMAT=$(LINUX26_FORMAT)
	@echo LINUX26_KERNEL=$(LINUX26_KERNEL)
	@echo BR2_KERNEL_SITE=$(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)


endif