2 # Copyright (C) 2006 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
7 -include $(INCLUDE_DIR)/modules-$(KERNEL).mk
9 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
10 LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
11 http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
12 http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
13 http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
15 KERNEL_IDIR:=$(KERNEL_BUILD_DIR)/kernel-ipkg
16 KERNEL_IPKG:=$(KERNEL_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
17 TARGETS += $(KERNEL_IPKG)
18 INSTALL_TARGETS += $(KERNEL_IPKG)
20 $(TARGETS): $(PACKAGE_DIR)
25 $(DL_DIR)/$(LINUX_SOURCE):
27 $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
29 $(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
30 -mkdir -p $(KERNEL_BUILD_DIR)
31 bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) -
35 $(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
36 $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
37 $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
40 $(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
41 $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
44 $(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
46 $(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
47 $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
51 ramdisk-config: $(LINUX_DIR)/.configured FORCE
52 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
53 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
54 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
55 echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
56 echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
57 echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
58 mkdir -p $(BUILD_DIR)/root/etc/init.d
59 $(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
61 rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
62 echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
65 $(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.linux-compile pkg-install ramdisk-config
66 $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
68 $(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
69 $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
70 touch -c $(LINUX_KERNEL)
72 $(LINUX_DIR)/.modules_done:
73 rm -rf $(KERNEL_BUILD_DIR)/modules
74 $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules
75 $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
76 touch $(LINUX_DIR)/.modules_done
78 modules: $(LINUX_DIR)/.modules_done
81 $(LINUX_DIR)/.linux-compile:
82 @rm -f $(BUILD_DIR)/linux
83 ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
90 mkdir -p $(KERNEL_IDIR)/etc
91 $(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
92 if [ -f ./config/$(BOARD).modules ]; then \
93 cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
95 $(IPKG_BUILD) $(KERNEL_IDIR) $(KERNEL_BUILD_DIR)
97 $(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile
98 echo "CONFIG_BOARD:=$(BOARD)" > $@
99 echo "CONFIG_KERNEL:=$(KERNEL)" >> $@
100 echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
101 echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
104 @for pkg in $(INSTALL_TARGETS); do \
105 $(IPKG) install $$pkg || echo; \
108 download: $(DL_DIR)/$(LINUX_SOURCE)
109 prepare: $(LINUX_DIR)/.configured
110 @mkdir -p $(LINUX_DIR) $(PACKAGE_DIR)
112 compile: prepare $(LINUX_DIR)/.linux-compile
114 install: compile $(LINUX_KERNEL)
117 rm -f $(LINUX_DIR)/.linux-compile
118 rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
119 rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
120 $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
121 rm -f $(LINUX_KERNEL)
125 if [ -f $(LINUX_KERNEL) ]; then \
128 $(MAKE) compile $(MAKE_TRACE)
131 rm -f $(STAMP_DIR)/.linux-compile
132 rm -rf $(KERNEL_BUILD_DIR)