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.
9 include $(INCLUDE_DIR)/prereq.mk
12 ifneq ($(CONFIG_ATM),)
15 ifneq ($(CONFIG_PCI),)
18 ifneq ($(CONFIG_USB),)
21 ifneq ($(CONFIG_PCMCIA),)
26 FEATURES:=$(sort $(FEATURES))
28 # For target profile selection - the default set
29 DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd
37 include $(INCLUDE_DIR)/kernel-version.mk
38 include $(INCLUDE_DIR)/host.mk
39 include $(INCLUDE_DIR)/kernel.mk
41 LINUX_CONFIG:=./config
43 ifneq (,$(findstring uml,$(BOARD)))
46 LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
56 ifneq (,$(findstring x86,$(BOARD)))
59 ifneq (,$(findstring rdc,$(BOARD)))
62 ifneq (,$(findstring ppc,$(BOARD)))
67 define Kernel/Prepare/Default
68 bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
69 [ -d $(GENERIC_PLATFORM_DIR)/patches ] && $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches
70 [ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
73 $(call Kernel/Prepare/Default)
76 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
77 CROSS_COMPILE="$(KERNEL_CROSS)" \
78 ARCH="$(LINUX_KARCH)" \
79 CONFIG_SHELL="$(BASH)"
81 define Kernel/Configure/2.4
82 $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
83 $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
84 $(MAKE) $(KERNEL_MAKEOPTS) dep
86 define Kernel/Configure/2.6
87 $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
89 define Kernel/Configure/Default
90 @$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config
91 $(call Kernel/Configure/$(KERNEL))
93 define Kernel/Configure
94 $(call Kernel/Configure/Default)
98 define Kernel/CompileModules/Default
99 $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
100 $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
102 define Kernel/CompileModules
103 $(call Kernel/CompileModules/Default)
108 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
109 define Kernel/SetInitramfs
110 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
111 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
112 echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
113 echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
114 echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
115 mkdir -p $(BUILD_DIR)/root/etc/init.d
116 $(CP) $(GENERIC_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
119 define Kernel/SetInitramfs
120 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
121 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
122 rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
123 echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
127 define Kernel/CompileImage/Default
128 $(call Kernel/SetInitramfs)
129 $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
130 $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
132 define Kernel/CompileImage
133 $(call Kernel/CompileImage/Default)
136 define Kernel/Clean/Default
137 rm -f $(LINUX_DIR)/.linux-compile
138 rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
139 rm -f $(LINUX_KERNEL)
140 $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
144 $(call Kernel/Clean/Default)
148 ifneq ($(LINUX_SITE),)
149 $(DL_DIR)/$(LINUX_SOURCE):
151 $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
154 $(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
155 -rm -rf $(KERNEL_BUILD_DIR)
156 -mkdir -p $(KERNEL_BUILD_DIR)
157 $(call Kernel/Prepare)
160 $(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
161 $(call Kernel/Configure)
164 $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
165 rm -rf $(KERNEL_BUILD_DIR)/modules
166 @rm -f $(BUILD_DIR)/linux
167 ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
168 $(call Kernel/CompileModules)
171 $(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
172 $(call Kernel/CompileImage)
180 @echo 'Target: $(BOARD)-$(KERNEL)'
181 @echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
182 @echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
183 @echo 'Target-Arch: $(ARCH)'
184 @echo 'Target-Features: $(FEATURES)'
185 @echo 'Linux-Version: $(LINUX_VERSION)'
186 @echo 'Linux-Release: $(LINUX_RELEASE)'
187 @echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
188 @echo 'Target-Description:'
189 @getvar $(call shvar,Target/Description)
191 @echo 'Default-Packages: $(DEFAULT_PACKAGES)'
201 define Profile/Default
207 $(eval $(call Profile/Default))
208 $(eval $(call Profile/$(1)))
209 $(eval $(call shexport,Profile/$(1)/Description))
211 echo "Target-Profile: $(1)"; \
212 echo "Target-Profile-Name: $(NAME)"; \
213 echo "Target-Profile-Packages: $(PACKAGES)"; \
214 echo "Target-Profile-Description:"; \
215 getvar "$(call shvar,Profile/$(1)/Description)"; \
220 $(eval $(call shexport,Target/Description))
222 download: $(DL_DIR)/$(LINUX_SOURCE)
223 prepare: $(LINUX_DIR)/.configured $(TMP_DIR)/.kernel.mk
224 compile: $(LINUX_DIR)/.modules
225 install: $(LINUX_DIR)/.image
228 rm -f $(STAMP_DIR)/.linux-compile
229 rm -rf $(KERNEL_BUILD_DIR)
233 @if [ -f $(LINUX_KERNEL) ]; then \