| ############################################################# |
| # |
| # 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 $(TARGETS),linux),) |
| |
| # Version of Linux to download and then apply patches to |
| DOWNLOAD_LINUX_VERSION=2.6.11.5 |
| # Version of Linux AFTER patches |
| LINUX_VERSION=2.6.11.5 |
| |
| LINUX_FORMAT=bzImage |
| #LINUX_FORMAT=images/zImage.prep |
| LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \ |
| -e 's/mipsel/mips/' \ |
| -e 's/powerpc/ppc/' \ |
| -e 's/sh[234]/sh/' \ |
| ) |
| LINUX_BINLOC=arch/$(LINUX_KARCH)/boot/$(LINUX_FORMAT) |
| |
| LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION) |
| LINUX_SOURCE=linux-$(DOWNLOAD_LINUX_VERSION).tar.bz2 |
| LINUX_CAT:=$(BZCAT) |
| LINUX_SITE=$(BR2_KERNEL_MIRROR)/linux/kernel/v2.6 |
| LINUX_KCONFIG=target/device/Via/epia-mii/linux.config |
| LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel |
| # Used by pcmcia-cs and others |
| LINUX_SOURCE_DIR=$(LINUX_DIR) |
| |
| $(DL_DIR)/$(LINUX_SOURCE): |
| mkdir -p $(DL_DIR) |
| $(call DOWNLOAD,$(LINUX_SITE),$(LINUX_SOURCE)) |
| |
| $(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE) |
| mkdir -p $(TOOL_BUILD_DIR) |
| -(cd $(TOOL_BUILD_DIR); ln -sf $(LINUX_DIR) linux) |
| $(LINUX_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 |
| mkdir -p package/linux/kernel-patches |
| toolchain/patch-kernel.sh $(LINUX_DIR) package/linux/kernel-patches |
| 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; \ |
| cd $(LINUX_DIR); \ |
| $(MAKE) menuconfig; \ |
| fi |
| |
| $(LINUX_DIR)/.configured $(BUILD_DIR)/linux/.configured: $(LINUX_DIR)/.unpacked $(LINUX_KCONFIG) |
| $(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" $(LINUX_DIR)/Makefile |
| -cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config |
| $(MAKE) -C $(LINUX_DIR) oldconfig include/linux/version.h |
| touch $(LINUX_DIR)/.configured |
| |
| $(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured |
| $(MAKE) -C $(LINUX_DIR) dep |
| touch $(LINUX_DIR)/.depend_done |
| |
| $(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done |
| $(MAKE) -C $(LINUX_DIR) $(LINUX_FORMAT) |
| $(MAKE) -C $(LINUX_DIR) modules |
| |
| $(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC) |
| cp -fa $(LINUX_DIR)/$(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) -C $(LINUX_DIR) INSTALL_MOD_PATH=$(TARGET_DIR) modules_install |
| (cd $(TARGET_DIR)/lib/modules; ln -s $(LINUX_VERSION)/kernel/drivers .) |
| |
| $(STAGING_DIR)/usr/include/linux/version.h: $(LINUX_DIR)/.configured |
| mkdir -p $(STAGING_DIR)/usr/include |
| tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/usr/include/ |
| tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/usr/include/ |
| |
| linux: $(STAGING_DIR)/usr/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: clean |
| rm -f $(LINUX_KERNEL) |
| -$(MAKE) -C $(LINUX_DIR) clean |
| |
| linux-dirclean: |
| rm -rf $(LINUX_DIR) |
| |
| endif |