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|
#############################################################
#
# 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=2.6.19.2
# Version of Linux after applying any patches
LINUX26_VERSION=2.6.19.2
else
DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
endif
LINUX26_SOURCE=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2
LINUX26_BZCAT:=$(BZCAT)
LINUX26_SITE=http://ftp.kernel.org/pub/linux/kernel/v2.6
#LINUX26_FORMAT=vmlinux
#LINUX26_BINLOC=$(LINUX26_FORMAT)
# Linux kernel configuration file
# Has to be set by the target/device
# If it is not set by the target/device, then pick the one from .config
# LINUX26_KCONFIG=$(BR2_BOARD_PATH)/linux26.config
ifndef LINUX26_KCONFIG
ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))),)
LINUX26_KCONFIG=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG)))
#"))
#"))
endif
endif
ifndef LINUX26_FORMAT
ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT))),)
LINUX26_FORMAT=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT)))
#"))
#"))
endif
endif
# Has to be set by the target/device
# LINUX26_FORMAT=bzImage
ifndef LINUX26_FORMAT
LINUX26_FORMAT=zImage
endif
# Has to be set by the target/device
ifndef LINUX26_BINLOC
# default:
LINUX26_BINLOC=arch/$(KERNEL_ARCH)/boot/$(LINUX26_FORMAT)
endif
# File name for the Linux kernel binary
LINUX26_KERNEL=linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH)
# Version of Linux AFTER patches
LINUX26_DIR=$(PROJECT_BUILD_DIR)/linux-$(LINUX26_VERSION)
# for packages that need it
LINUX_VERSION:=$(LINUX_VERSION)
LINUX_DIR=$(LINUX26_DIR)
LINUX_KERNEL=$(LINUX26_KERNEL)
# kernel patches
LINUX26_PATCH_DIR=$(BR2_BOARD_PATH)/kernel-patches/
__LINUX26_NO_PIC=-fPIC -fpic -DPIC
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)
$(LINUX26_KCONFIG):
@if [ ! -f "$(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)
$(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE)
rm -rf $(LINUX26_DIR)
$(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
toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR)
touch $@
endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION))
$(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG) $(INITRAMFS_TARGET)
cp -dpf $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
$(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" >> $(LINUX26_DIR)/.config
endif
ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
$(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_SOURCE=\"$(INITRAMFS_TARGET)\"" >> \
$(LINUX26_DIR)/.config
$(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
echo "INITRAMFS_ROOT_UID=\"0\"" >> $(LINUX26_DIR)/.config
echo "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): $(LINUX26_DIR)/.depend_done
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(LINUX26_FORMAT)
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules
cp -dpf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL)
touch -c $@
$(TARGET_DIR)/boot/$(LINUX26_FORMAT): $(LINUX26_KERNEL)
[ -d $(TARGET_DIR)/boot/ ] || mkdir $(TARGET_DIR)/boot
cp -dpf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_DIR)/System.map $(TARGET_DIR)/boot/
touch -c $@
$(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_KERNEL)
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
rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build
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: cross-depmod26 $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep $(TARGET_DIR)/boot/$(LINUX26_FORMAT)
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_KERNEL) $(LINUX26_DIR)/.configured
-$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean
linux26-dirclean:
rm -rf $(LINUX26_DIR)
endif
|
