X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/04ee4e2bdb23481197aa5b890d8c89cd4409e9f1..7e450a1c869a5b227e3c91c4e71049059f1193e6:/include/kernel-build.mk?ds=sidebyside diff --git a/include/kernel-build.mk b/include/kernel-build.mk index dfd422744..93bf66dbc 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,124 +1,261 @@ --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) + $(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf +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)