X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/44e4c1bee33b54db7abd2d2414b6a4c0d0f37624..957731ef89fc1876a0ab8c56d50001011b20abb0:/include/kernel-build.mk?ds=sidebyside diff --git a/include/kernel-build.mk b/include/kernel-build.mk index d344702dd..cf8737c8e 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,58 +1,21 @@ -# +# # 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)/kernel-version.mk include $(INCLUDE_DIR)/host.mk -include $(INCLUDE_DIR)/kernel.mk include $(INCLUDE_DIR)/prereq.mk -LINUX_CONFIG ?= ./config/default - --include $(TOPDIR)/target/linux/generic-$(KERNEL)/config-template --include $(LINUX_CONFIG) - -ifneq ($(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 $(FEATURES)) - -ifeq ($(DUMP),1) - all: dumpinfo -else +ifneq ($(DUMP),1) all: compile endif -ifneq (,$(findstring uml,$(BOARD))) - LINUX_KARCH:=um -else - LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \ - -e 's/mipsel/mips/' \ - -e 's/mipseb/mips/' \ - -e 's/powerpc/ppc/' \ - -e 's/sh[234]/sh/' \ - -e 's/armeb/arm/' \ - ) -endif - +export QUILT=1 +STAMP_PREPARED:=$(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 @@ -75,109 +38,96 @@ 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): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE)) -rm -rf $(KERNEL_BUILD_DIR) -mkdir -p $(KERNEL_BUILD_DIR) - $(call Kernel/Prepare) + $(Kernel/Prepare) touch $$@ - $(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG) - $(call Kernel/Configure) + $(KERNEL_BUILD_DIR)/symtab.txt: FORCE + find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ + xargs $(TARGET_CROSS)nm | \ + awk '$$$$1 == "U" { print $$$$2 } ' | \ + sort -u > $$@ + + $(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_KCONFIG_LIST) $(TOPDIR)/.config + $(Kernel/Configure) touch $$@ - $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured $(LINUX_DIR)/.config - $(call Kernel/CompileModules) + $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE + $(Kernel/CompileModules) touch $$@ - $(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 -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: $(STAMP_CONFIGURED) + compile: $(LINUX_DIR)/.modules + $(MAKE) -C image compile TARGET_BUILD= -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) + oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + rm -f $(STAMP_CONFIGURED) + $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config + $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ + $(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET) -install: $(LINUX_DIR)/.image + install: $(LINUX_DIR)/.image + +$(MAKE) -C image compile install TARGET_BUILD= -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