X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/da0444cb98e698043fa3b208e3dc80b82a928d03..57cacb623bb9589a3f4a9e19d54a18da81516baa:/include/kernel-build.mk diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 04c3c7f8e..0d3b40e16 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,5 +1,5 @@ # -# Copyright (C) 2006 OpenWrt.org +# Copyright (C) 2006-2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. @@ -8,12 +8,40 @@ KERNEL_BUILD:=1 include $(INCLUDE_DIR)/host.mk include $(INCLUDE_DIR)/kernel.mk +include $(INCLUDE_DIR)/prereq.mk -LINUX_SOURCE:=linux-$(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) +override MAKEFLAGS= + +GENERIC_LINUX_CONFIG:=$(GENERIC_PLATFORM_DIR)/config-$(shell [ -f "$(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER)" ] && echo "$(KERNEL_PATCHVER)" || echo template ) +LINUX_CONFIG_DIR ?= ./config$(shell [ -d "./config-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true ) +LINUX_CONFIG ?= $(LINUX_CONFIG_DIR)/default + +ifneq ($(DUMP),) + TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(BOARD)-$(KERNEL) + $(TMP_CONFIG): $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) + $(SCRIPT_DIR)/config.pl + $^ > $@ + -include $(TMP_CONFIG) + .SILENT: $(TMP_CONFIG) +endif + +ifneq ($(CONFIG_PCI),) + FEATURES += pci +endif +ifneq ($(CONFIG_USB),) + FEATURES += usb +endif +ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),) + FEATURES += pcmcia +endif + +# remove duplicates +FEATURES:=$(sort $(FEATURES)) + +ifeq ($(DUMP),1) + all: dumpinfo +else + all: compile +endif ifneq (,$(findstring uml,$(BOARD))) LINUX_KARCH:=um @@ -27,102 +55,140 @@ else ) endif -KERNELNAME= -ifneq (,$(findstring x86,$(BOARD))) - KERNELNAME="bzImage" -endif -ifneq (,$(findstring ppc,$(BOARD))) - KERNELNAME="uImage" -endif +STAMP_PREPARED:=$(LINUX_DIR)/.prepared +STAMP_CONFIGURED:=$(LINUX_DIR)/.configured +include $(INCLUDE_DIR)/quilt.mk +include $(INCLUDE_DIR)/kernel-defaults.mk +define Kernel/Prepare + $(call Kernel/Prepare/Default) +endef -$(DL_DIR)/$(LINUX_SOURCE): - -mkdir -p $(DL_DIR) - $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) +define Kernel/Configure + $(call Kernel/Configure/Default) +endef -$(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 $@ +define Kernel/CompileModules + $(call Kernel/CompileModules/Default) +endef -ifeq ($(KERNEL),2.4) -$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched $(LINUX_DIR)/.config - $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile - $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h - touch $@ +define Kernel/CompileImage + $(call Kernel/CompileImage/Default) +endef -$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured - $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep - touch $@ +define Kernel/Clean + $(call Kernel/Clean/Default) +endef -$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done -else -$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched - $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts - touch $@ -endif +define BuildKernel + ifneq ($(LINUX_SITE),) + $(DL_DIR)/$(LINUX_SOURCE): + -mkdir -p $(DL_DIR) + $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) + endif -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/ -else - rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs - echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config -endif - -$(LINUX_DIR)/vmlinux: ramdisk-config - $(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME) - -$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux - $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@ - touch -c $(LINUX_KERNEL) - -$(LINUX_DIR)/.modules_done: $(LINUX_DIR)/.config - rm -rf $(KERNEL_BUILD_DIR)/modules - $(MAKE) -j$(CONFIG_JLEVEL) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules - $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install - touch $(LINUX_DIR)/.modules_done - -$(LINUX_DIR)/.linux-compile: $(LINUX_DIR)/.modules_done - @rm -f $(BUILD_DIR)/linux - ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux - touch $@ - -$(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile - echo "CONFIG_BOARD:=$(BOARD)" > $@ - echo "CONFIG_KERNEL:=$(KERNEL)" >> $@ - echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@ - echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@ - echo "CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@ + $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE) + -rm -rf $(KERNEL_BUILD_DIR) + -mkdir -p $(KERNEL_BUILD_DIR) + $(call Kernel/Prepare) + touch $$@ + + $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config + $(call Kernel/Configure) + touch $$@ + + $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE + $(call Kernel/CompileModules) + touch $$@ + + $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE + $(call Kernel/CompileImage) + touch $$@ + + 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)/Config)) + $(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-Config: "; \ + getvar "$(call shvar,Profile/$(1)/Config)"; \ + echo "@@"; \ + 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 - @mkdir -p $(LINUX_DIR) +prepare: $(STAMP_CONFIGURED) +compile: $(LINUX_DIR)/.modules + $(MAKE) -C image compile -compile: prepare $(LINUX_DIR)/.linux-compile -install: compile $(LINUX_KERNEL) +oldconfig menuconfig: $(STAMP_PREPARED) FORCE + $(call Kernel/Configure) + $(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) > $(LINUX_DIR)/.config + $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $@ + $(SCRIPT_DIR)/config.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG) -mostlyclean: FORCE - rm -f $(LINUX_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) +install: $(LINUX_DIR)/.image + $(MAKE) -C image compile install + +clean: FORCE + rm -f $(STAMP_DIR)/.linux-compile + 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) +image-prereq: + $(SUBMAKE) -s -C image prereq +prereq: image-prereq