--include $(INCLUDE_DIR)/modules-$(KERNEL).mk
+#
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+KERNEL_BUILD:=1
-LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
-LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
- http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
- http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
- http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
+include $(INCLUDE_DIR)/kernel-version.mk
+include $(INCLUDE_DIR)/host.mk
+include $(INCLUDE_DIR)/kernel.mk
+include $(INCLUDE_DIR)/prereq.mk
-KERNEL_IDIR:=$(KERNEL_BUILD_DIR)/kernel-ipkg
-KERNEL_IPKG:=$(KERNEL_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
-INSTALL_TARGETS += $(KERNEL_IPKG)
+LINUX_CONFIG ?= ./config/default
-$(TARGETS): $(PACKAGE_DIR)
+-include $(TOPDIR)/target/linux/generic-$(KERNEL)/config-template
+-include $(LINUX_CONFIG)
-$(LINUX_DIR):
- mkdir -p $@
-
-$(PACKAGE_DIR):
- mkdir -p $@
-
-$(DL_DIR)/$(LINUX_SOURCE):
- -mkdir -p $(DL_DIR)
- $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
+ifneq ($(CONFIG_ATM),)
+ FEATURES += atm
+endif
+ifneq ($(CONFIG_PCI),)
+ FEATURES += pci
+endif
+ifneq ($(CONFIG_USB),)
+ FEATURES += usb
+endif
+ifneq ($(CONFIG_PCMCIA),)
+ FEATURES += pcmcia
+endif
+ifneq ($(CONFIG_VIDEO_DEV),)
+ FEATURES += video
+endif
-$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
- -mkdir -p $(KERNEL_BUILD_DIR)
- bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) -
- touch $@
-
-ifeq ($(KERNEL),2.4)
-$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
- $(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
- $(LINUX_DIR)/Makefile \
- $(LINUX_DIR)/arch/*/Makefile
- $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
- $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
- touch $@
+# remove duplicates
+FEATURES:=$(sort $(FEATURES))
-$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
- $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
- touch $@
+# For target profile selection - the default set
+DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd kmod-ipt-nathelper
-$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
+ifeq ($(DUMP),1)
+ all: dumpinfo
else
-$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
- $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
- touch $@
+ all: compile
endif
-ramdisk-config: $(LINUX_DIR)/.configured FORCE
- mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
- grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
- echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
- mkdir -p $(BUILD_DIR)/root/etc/init.d
- $(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
+ifneq (,$(findstring uml,$(BOARD)))
+ LINUX_KARCH:=um
else
- rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
- echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+ LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
+ -e 's/mipsel/mips/' \
+ -e 's/mipseb/mips/' \
+ -e 's/powerpc/ppc/' \
+ -e 's/sh[234]/sh/' \
+ -e 's/armeb/arm/' \
+ )
+endif
+
+KERNELNAME=
+ifneq (,$(findstring x86,$(BOARD)))
+ KERNELNAME="bzImage"
+endif
+ifneq (,$(findstring rdc,$(BOARD)))
+ KERNELNAME="bzImage"
+endif
+ifneq (,$(findstring ppc,$(BOARD)))
+ KERNELNAME="uImage"
endif
-$(LINUX_DIR)/vmlinux: $(STAMP_DIR)/.linux-compile pkg-install ramdisk-config
- $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH)
-$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
- $(TARGET_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
- touch -c $(LINUX_KERNEL)
+define Kernel/Prepare/Default
+ bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
+ if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi
+ if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
+ if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi
+endef
+define Kernel/Prepare
+ $(call Kernel/Prepare/Default)
+endef
-$(LINUX_DIR)/.modules_done:
- rm -rf $(KERNEL_BUILD_DIR)/modules
- $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules
- $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
- touch $(LINUX_DIR)/.modules_done
+KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
+ CROSS_COMPILE="$(KERNEL_CROSS)" \
+ ARCH="$(LINUX_KARCH)" \
+ CONFIG_SHELL="$(BASH)"
-$(STAMP_DIR)/.linux-compile:
- @$(MAKE) $(LINUX_DIR)/.modules_done $(TARGETS) $(KERNEL_IPKG)
- ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
- touch $@
-
-$(KERNEL_IPKG):
- rm -rf $(KERNEL_IDIR)
- mkdir -p $(KERNEL_IDIR)/etc
- $(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
- if [ -f ./config/$(BOARD).modules ]; then \
- cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
+define Kernel/Configure/2.4
+ $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
+ $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
+ $(MAKE) $(KERNEL_MAKEOPTS) dep
+endef
+define Kernel/Configure/2.6
+ $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
+endef
+define Kernel/Configure/Default
+ @if [ -f "./config/profile-$(PROFILE)" ]; then \
+ $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template '+' $(LINUX_CONFIG) ./config/profile-$(PROFILE) > $(LINUX_DIR)/.config; \
+ else \
+ $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config; \
fi
- $(IPKG_BUILD) $(KERNEL_IDIR) $(KERNEL_BUILD_DIR)
+endef
+define Kernel/Configure
+ $(call Kernel/Configure/Default)
+endef
-$(TOPDIR)/.kernel.mk:
- echo "BOARD:=$(BOARD)" > $@
- echo "LINUX_VERSION:=$(LINUX_VERSION)" >> $@
- echo "LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
-pkg-install: FORCE
- @{ [ "$(INSTALL_TARGETS)" != "" ] && $(IPKG) install $(INSTALL_TARGETS) || true; }
+define Kernel/CompileModules/Default
+ $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
+ $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
+endef
+define Kernel/CompileModules
+ $(call Kernel/CompileModules/Default)
+endef
-source: $(DL_DIR)/$(LINUX_SOURCE)
-prepare: $(LINUX_DIR)/.configured
- @mkdir -p $(STAMP_DIR) $(PACKAGE_DIR)
-compile: prepare $(STAMP_DIR)/.linux-compile
+ifeq ($(KERNEL),2.6)
+ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+ define Kernel/SetInitramfs
+ mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
+ mkdir -p $(BUILD_DIR)/root/etc/init.d
+ $(CP) $(GENERIC_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
+ endef
+ else
+ define Kernel/SetInitramfs
+ mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+ rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
+ echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+ endef
+ endif
+endif
+define Kernel/CompileImage/Default
+ $(call Kernel/SetInitramfs)
+ $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
+ $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
+endef
+define Kernel/CompileImage
+ $(call Kernel/CompileImage/Default)
+endef
-install: compile $(LINUX_KERNEL)
+define Kernel/Clean/Default
+ rm -f $(LINUX_DIR)/.linux-compile
+ rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
+ rm -f $(LINUX_KERNEL)
+ $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
+endef
+
+define Kernel/Clean
+ $(call Kernel/Clean/Default)
+endef
-mostlyclean: FORCE
+define BuildKernel
+ ifneq ($(LINUX_SITE),)
+ $(DL_DIR)/$(LINUX_SOURCE):
+ -mkdir -p $(DL_DIR)
+ $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
+ endif
+
+ $(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
+ -rm -rf $(KERNEL_BUILD_DIR)
+ -mkdir -p $(KERNEL_BUILD_DIR)
+ $(call Kernel/Prepare)
+ touch $$@
+
+ $(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
+ $(call Kernel/Configure)
+ $(call Kernel/Configure/$(KERNEL))
+ touch $$@
+
+ $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
+ rm -rf $(KERNEL_BUILD_DIR)/modules
+ @rm -f $(BUILD_DIR)/linux
+ ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
+ $(call Kernel/CompileModules)
+ touch $$@
+
+ $(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
+ $(call Kernel/CompileImage)
+ touch $$@
+
+ mostlyclean: FORCE
+ $(call Kernel/Clean)
+
+ ifeq ($(DUMP),1)
+ dumpinfo:
+ @echo 'Target: $(BOARD)-$(KERNEL)'
+ @echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
+ @echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
+ @echo 'Target-Arch: $(ARCH)'
+ @echo 'Target-Features: $(FEATURES)'
+ @echo 'Linux-Version: $(LINUX_VERSION)'
+ @echo 'Linux-Release: $(LINUX_RELEASE)'
+ @echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
+ @echo 'Target-Description:'
+ @getvar $(call shvar,Target/Description)
+ @echo '@@'
+ @echo 'Default-Packages: $(DEFAULT_PACKAGES)'
+ ifneq ($(DUMPINFO),)
+ @$(DUMPINFO)
+ endif
+ endif
+
+ define BuildKernel
+ endef
+endef
+
+define Profile/Default
+ NAME:=
+ PACKAGES:=
+endef
+
+confname=$(subst .,_,$(subst -,_,$(1)))
+define Profile
+ $(eval $(call Profile/Default))
+ $(eval $(call Profile/$(1)))
+ $(eval $(call shexport,Profile/$(1)/Description))
+ DUMPINFO += \
+ echo "Target-Profile: $(1)"; \
+ echo "Target-Profile-Name: $(NAME)"; \
+ echo "Target-Profile-Packages: $(PACKAGES)"; \
+ if [ -f ./config/profile-$(1) ]; then \
+ echo "Target-Profile-Kconfig: yes"; \
+ fi; \
+ echo "Target-Profile-Description:"; \
+ getvar "$(call shvar,Profile/$(1)/Description)"; \
+ echo "@@"; \
+ echo;
+ ifeq ($(CONFIG_LINUX_$(call confname,$(KERNEL)_$(1))),y)
+ PROFILE=$(1)
+ endif
+endef
+
+$(eval $(call shexport,Target/Description))
+
+download: $(DL_DIR)/$(LINUX_SOURCE)
+prepare: $(LINUX_DIR)/.configured $(TMP_DIR)/.kernel.mk
+compile: $(LINUX_DIR)/.modules
+menuconfig: $(LINUX_DIR)/.prepared FORCE
+ $(call Kernel/Configure)
+ $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config
+ $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) menuconfig
+ $(SCRIPT_DIR)/config.pl '>' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_DIR)/.config > $(LINUX_CONFIG)
+
+install: $(LINUX_DIR)/.image
+
+clean: FORCE
rm -f $(STAMP_DIR)/.linux-compile
- rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
- rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
- $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
- rm -f $(LINUX_KERNEL)
+ rm -rf $(KERNEL_BUILD_DIR)
rebuild: FORCE
- -$(MAKE) mostlyclean
- if [ -f $(LINUX_KERNEL) ]; then \
+ @$(MAKE) mostlyclean
+ @if [ -f $(LINUX_KERNEL) ]; then \
$(MAKE) clean; \
fi
- $(MAKE) compile $(MAKE_TRACE)
+ @$(MAKE) compile
+
-clean: FORCE
- rm -f $(STAMP_DIR)/.linux-compile
- rm -rf $(KERNEL_BUILD_DIR)
- rm -f $(TARGETS)
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