X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/4f378c0fe5f1f9329a74a77a32f0954cfa93f233..99a212a2565ed4c256d86645d14ff7064f284f2d:/include/kernel-build.mk?ds=inline diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 23e694dc0..282dc9614 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,250 +1,136 @@ -# -# 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. # -KERNEL_BUILD:=1 - +include $(INCLUDE_DIR)/host.mk include $(INCLUDE_DIR)/prereq.mk --include ./config -ifneq ($(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 - -# remove duplicates -FEATURES:=$(sort $(FEATURES)) - -# For target profile selection - the default set -DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd kmod-ipt-nathelper - -ifeq ($(DUMP),1) - all: dumpinfo -else +ifneq ($(DUMP),1) all: compile endif -include $(INCLUDE_DIR)/kernel-version.mk -include $(INCLUDE_DIR)/host.mk -include $(INCLUDE_DIR)/kernel.mk - -LINUX_CONFIG:=./config - -ifneq (,$(findstring uml,$(BOARD))) - LINUX_KARCH:=um -else - LINUX_KARCH:=$(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,$(BOARD))) - KERNELNAME="uImage" -endif - +export QUILT=1 +STAMP_PREPARED:=$(LINUX_DIR)/.prepared +STAMP_CONFIGURED:=$(LINUX_DIR)/.configured +include $(INCLUDE_DIR)/download.mk +include $(INCLUDE_DIR)/quilt.mk +include $(INCLUDE_DIR)/kernel-defaults.mk -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 -KERNEL_MAKEOPTS := -C $(LINUX_DIR) \ - CROSS_COMPILE="$(KERNEL_CROSS)" \ - ARCH="$(LINUX_KARCH)" \ - CONFIG_SHELL="$(BASH)" - -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 - @$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config -endef define Kernel/Configure $(call Kernel/Configure/Default) endef - -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 $(call Kernel/CompileModules/Default) endef - -ifeq ($(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 -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 $(call Kernel/Clean/Default) endef +define Download/kernel + URL:=$(LINUX_SITE) + FILE:=$(LINUX_SOURCE) + MD5SUM:=$(LINUX_KERNEL_MD5SUM) +endef + +ifdef CONFIG_COLLECT_KERNEL_DEBUG + define Kernel/CollectDebug + rm -rf $(KERNEL_BUILD_DIR)/debug + mkdir -p $(KERNEL_BUILD_DIR)/debug/modules + $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/debug/ + -$(CP) \ + $(STAGING_DIR_ROOT)/lib/modules/$(LINUX_VERSION)/* \ + $(KERNEL_BUILD_DIR)/debug/modules/ + $(FIND) $(KERNEL_BUILD_DIR)/debug -type f | $(XARGS) $(KERNEL_CROSS)strip --only-keep-debug + $(TAR) c -C $(KERNEL_BUILD_DIR) debug | bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2 + endef +endif + define BuildKernel - ifneq ($(LINUX_SITE),) - $(DL_DIR)/$(LINUX_SOURCE): - -mkdir -p $(DL_DIR) - $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) - endif + $(if $(QUILT),$(Build/Quilt)) + $(if $(LINUX_SITE),$(call Download,kernel)) - $(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE) + $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE) -rm -rf $(KERNEL_BUILD_DIR) -mkdir -p $(KERNEL_BUILD_DIR) - $(call Kernel/Prepare) + $(Kernel/Prepare) touch $$@ - $(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG) - $(call Kernel/Configure) - $(call Kernel/Configure/$(KERNEL)) + $(KERNEL_BUILD_DIR)/symtab.txt: FORCE + find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ + xargs $(TARGET_CROSS)nm | \ + awk '$$$$1 == "U" { print $$$$2 } ' | \ + sort -u > $$@ + + $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt + ( \ + echo '#define SYMTAB_KEEP \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_STR \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ + echo; \ + ) > $$@ + + $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config + $(Kernel/Configure) touch $$@ - $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured - rm -rf $(KERNEL_BUILD_DIR)/modules - @rm -f $(BUILD_DIR)/linux - ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux - $(call Kernel/CompileModules) + $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE + $(Kernel/CompileModules) touch $$@ - $(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE - $(call Kernel/CompileImage) + $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE + $(Kernel/CompileImage) + $(Kernel/CollectDebug) touch $$@ mostlyclean: FORCE - $(call Kernel/Clean) - - ifeq ($(DUMP),1) - dumpinfo: - @echo 'Target: $(BOARD)-$(KERNEL)' - @echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]' - @echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))' - @echo 'Target-Arch: $(ARCH)' - @echo 'Target-Features: $(FEATURES)' - @echo 'Linux-Version: $(LINUX_VERSION)' - @echo 'Linux-Release: $(LINUX_RELEASE)' - @echo 'Linux-Kernel-Arch: $(LINUX_KARCH)' - @echo 'Target-Description:' - @getvar $(call shvar,Target/Description) - @echo '@@' - @echo 'Default-Packages: $(DEFAULT_PACKAGES)' - ifneq ($(DUMPINFO),) - @$(DUMPINFO) - endif - endif + $(Kernel/Clean) define BuildKernel endef -endef -define Profile/Default - NAME:= - PACKAGES:= -endef + download: $(DL_DIR)/$(LINUX_SOURCE) + prepare: $(STAMP_CONFIGURED) + compile: $(LINUX_DIR)/.modules + $(MAKE) -C image compile TARGET_BUILD= -define Profile - $(eval $(call Profile/Default)) - $(eval $(call Profile/$(1))) - $(eval $(call shexport,Profile/$(1)/Description)) - DUMPINFO += \ - echo "Target-Profile: $(1)"; \ - echo "Target-Profile-Name: $(NAME)"; \ - echo "Target-Profile-Packages: $(PACKAGES)"; \ - echo "Target-Profile-Description:"; \ - getvar "$(call shvar,Profile/$(1)/Description)"; \ - echo "@@"; \ - echo; -endef + oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)" + $(LINUX_CONFCMD) > $(LINUX_DIR)/.config + touch $(LINUX_CONFIG) + $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ + $(SCRIPT_DIR)/kconfig.pl '>' $(if $(LINUX_SUBCONFIG),'+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG),$(GENERIC_LINUX_CONFIG)) \ + $(LINUX_DIR)/.config > $(if $(LINUX_SUBCONFIG),$(LINUX_SUBCONFIG),$(LINUX_CONFIG)) + $(Kernel/Configure) -$(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) - $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) menuconfig - $(SCRIPT_DIR)/config.pl $(LINUX_DIR)/.config > $(PLATFORM_DIR)/config -ifeq ($(KERNEL),2.6) - $(SCRIPT_DIR)/config.pl '>' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_DIR)/.config > $(PLATFORM_DIR)/config-diff -endif + install: $(LINUX_DIR)/.image + +$(MAKE) -C image compile install TARGET_BUILD= -install: $(LINUX_DIR)/.image - -clean: FORCE - rm -f $(STAMP_DIR)/.linux-compile + clean: FORCE rm -rf $(KERNEL_BUILD_DIR) -rebuild: FORCE - @$(MAKE) mostlyclean - @if [ -f $(LINUX_KERNEL) ]; then \ - $(MAKE) clean; \ - fi - @$(MAKE) compile + image-prereq: + @+$(NO_TRACE_MAKE) -s -C image prereq TARGET_BUILD= + prereq: image-prereq +endef