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|
#############################################################
#
# Linux kernel targets
#
# Note: If you have any patches to apply, create the directory
# sources/kernel-patches and put your patches in there and number
# them in the order you wish to apply them... i.e.
#
# sources/kernel-patches/001-my-special-stuff.bz2
# sources/kernel-patches/003-gcc-Os.bz2
# sources/kernel-patches/004_no-warnings.bz2
# sources/kernel-patches/030-lowlatency-mini.bz2
# sources/kernel-patches/031-lowlatency-fixes-5.bz2
# sources/kernel-patches/099-shutup.bz2
# etc...
#
# these patches will all be applied by the patch-kernel.sh
# script (which will also abort the build if it finds rejects)
# -Erik
#
#############################################################
ifneq ($(filter $(TARGETS),linux),)
LINUX_VERSION=$(LINUX_HEADERS_VERSION)
# File name for the Linux kernel binary
LINUX_KERNEL=linux-kernel-$(LINUX_VERSION)-$(KERNEL_ARCH).srec
# Linux kernel configuration file
LINUX_KCONFIG=$(X86_I386_PATH)/linux.config
# kernel patches
LINUX_PATCH_DIR=target/device/x86/i386/kernel-patches/
LINUX_MAKE_FLAGS = $(TARGET_CONFIGURE_OPTS) ARCH=$(KERNEL_ARCH) PATH=$(TARGET_PATH) \
INSTALL_MOD_PATH=$(TARGET_DIR) \
LINUX_FORMAT=vmlinux
LINUX_BINLOC=$(LINUX_FORMAT)
##LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION)
##LINUX_SOURCE=linux-$(DOWNLOAD_LINUX_VERSION).tar.bz2
##LINUX_SITE=http://www.kernel.org/pub/linux/kernel/v2.6
# Used by pcmcia-cs and others
LINUX_DIR=$(LINUX_HEADERS_UNPACK_DIR)
#$(DL_DIR)/$(LINUX_SOURCE):
# -mkdir -p $(DL_DIR)
# $(WGET) -P $(DL_DIR) $(LINUX_SITE)/$(LINUX_SOURCE)
#$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
# -mkdir -p $(TOOL_BUILD_DIR)
# -(cd $(TOOL_BUILD_DIR); ln -snf $(LINUX_DIR) linux)
# $(LINUX_HEADERS_CAT) $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
#ifneq ($(DOWNLOAD_LINUX_VERSION),$(LINUX_VERSION))
# # Rename the dir from the downloaded version to the AFTER patch version
# mv -f $(BUILD_DIR)/linux-$(DOWNLOAD_LINUX_VERSION) $(BUILD_DIR)/linux-$(LINUX_VERSION)
#endif
# [ -d $(LINUX_PATCH_DIR) && toolchain/patch-kernel.sh $(LINUX_DIR) $(LINUX_PATCH_DIR)
# touch $(LINUX_DIR)/.unpacked
$(LINUX_KCONFIG):
@if [ ! -f "$(LINUX_KCONFIG)" ] ; then \
echo ""; \
echo "You should create a .config for your kernel"; \
echo "and install it as $(LINUX_KCONFIG)"; \
echo ""; \
sleep 5; \
fi;
#$(LINUX_DIR)/.configured $(BUILD_DIR)/linux/.configured: $(LINUX_DIR)/.unpacked $(LINUX_KCONFIG)
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched $(LINUX_KCONFIG)
-cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) oldconfig
touch $(LINUX_DIR)/.configured
linux-menuconfig: $(LINUX_DIR)/.patched
[ -f $(LINUX_DIR)/.config ] || cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) menuconfig
-[ -f $(LINUX_DIR)/.config ] && touch $(LINUX_DIR)/.configured
$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.patched
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) prepare
touch $(LINUX_DIR)/.depend_done
$(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) $(LINUX_FORMAT) bzImage
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) modules
[ -d $(TARGET_DIR)/boot/ ] || mkdir $(TARGET_DIR)/boot
cp -a $(LINUX_DIR)/arch/$(KERNEL_ARCH)/boot/bzImage $(LINUX_DIR)/System.map $(TARGET_DIR)/boot/
$(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC)
$(KERNEL_CROSS)objcopy -O srec $(LINUX_DIR)/$(LINUX_BINLOC) $(LINUX_KERNEL)
touch -c $(LINUX_KERNEL)
$(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep: $(LINUX_KERNEL)
rm -rf $(TARGET_DIR)/lib/modules
rm -f $(TARGET_DIR)/sbin/cardmgr
$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) DEPMOD=`which true` \
INSTALL_MOD_PATH=$(TARGET_DIR) modules_install
(cd $(TARGET_DIR)/lib/modules; ln -s $(LINUX_VERSION)/kernel/drivers .)
$(TARGET_DEVICE_DEPMOD) \
-b $(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/ \
-k $(LINUX_DIR)/vmlinux \
-F $(LINUX_DIR)/System.map \
> $(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep
$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
mkdir -p $(STAGING_DIR)/include
tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
linux: $(STAGING_DIR)/include/linux/version.h $(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep
linux-source: $(DL_DIR)/$(LINUX_SOURCE)
# This has been renamed so we do _NOT_ by default run this on 'make clean'
linuxclean:
rm -f $(LINUX_KERNEL)
-$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX_DIR) clean
linux-dirclean:
rm -rf $(LINUX_DIR)
endif
|
