2 # Copyright (C) 2006-2007 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
9 ifneq (,$(findstring x86,$(BOARD)))
12 ifneq (,$(findstring rdc,$(BOARD)))
15 ifneq (,$(findstring ppc,$(BOARD)))
18 ifneq (,$(findstring avr32,$(BOARD)))
22 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
23 CROSS_COMPILE="$(KERNEL_CROSS)" \
24 ARCH="$(LINUX_KARCH)" \
26 CONFIG_SHELL="$(BASH)"
28 INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt
31 KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
35 Kernel/Patch:=$(Kernel/Patch/Default)
36 ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
37 define Kernel/Prepare/Default
38 bzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
40 $(if $(QUILT),touch $(LINUX_DIR)/.quilt_used)
43 define Kernel/Prepare/Default
44 mkdir -p $(KERNEL_BUILD_DIR)
45 if [ -d $(LINUX_DIR) ]; then \
48 ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR)
52 define Kernel/Configure/2.4
53 $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
54 $(MAKE) $(KERNEL_MAKEOPTS) oldconfig include/linux/compile.h include/linux/version.h
55 $(MAKE) $(KERNEL_MAKEOPTS) dep
57 define Kernel/Configure/2.6
58 -$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts
60 define Kernel/Configure/Default
61 $(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target
62 $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
63 $(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
64 $(call Kernel/Configure/$(KERNEL))
65 rm -rf $(KERNEL_BUILD_DIR)/modules
68 define Kernel/CompileModules/Default
69 rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
70 $(MAKE) $(KERNEL_MAKEOPTS) modules
74 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
75 define Kernel/SetInitramfs
76 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
77 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
78 echo 'CONFIG_INITRAMFS_SOURCE="$(strip $(TARGET_DIR) $(INITRAMFS_EXTRA_FILES))"' >> $(LINUX_DIR)/.config
79 echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config
80 echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config
83 define Kernel/SetInitramfs
84 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
85 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
86 rm -f $(TARGET_DIR)/init
87 echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
91 define Kernel/CompileImage/Default
92 $(call Kernel/SetInitramfs)
93 $(MAKE) $(KERNEL_MAKEOPTS) $(KERNELNAME)
94 $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
95 $(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
98 define Kernel/Clean/Default
99 rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
100 rm -f $(LINUX_KERNEL)
101 $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean