X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fyousong.git;a=blobdiff_plain;f=include%2Fkernel-build.mk;h=32da94babc75268756120b9d9b63373a8cf44b39;hp=089753e3a787b77c14ecfed3170f8b46bfa7a359;hb=605a03daded520ccbcf13246fcfa8154b0abe105;hpb=811b00f646a6cda0c34584339917155b9fd1a40b diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 089753e3a7..32da94babc 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -6,12 +6,14 @@ # include $(INCLUDE_DIR)/host.mk include $(INCLUDE_DIR)/prereq.mk +include $(INCLUDE_DIR)/depends.mk ifneq ($(DUMP),1) all: compile endif -STAMP_PREPARED:=$(LINUX_DIR)/.prepared +KERNEL_FILE_DEPENDS=$(GENERIC_PATCH_DIR) $(PATCH_DIR) $(GENERIC_FILES_DIR) $(FILES_DIR) +STAMP_PREPARED=$(LINUX_DIR)/.prepared$(if $(QUILT)$(DUMP),,_$(shell $(call find_md5,$(KERNEL_FILE_DEPENDS),))) STAMP_CONFIGURED:=$(LINUX_DIR)/.configured include $(INCLUDE_DIR)/download.mk include $(INCLUDE_DIR)/quilt.mk @@ -31,6 +33,7 @@ endef define Kernel/CompileImage $(call Kernel/CompileImage/Default) + $(call Kernel/CompileImage/Initramfs) endef define Kernel/Clean @@ -40,20 +43,96 @@ endef define Download/kernel URL:=$(LINUX_SITE) FILE:=$(LINUX_SOURCE) - MD5SUM:=$(LINUX_KERNEL_MD5SUM) + HASH:=$(LINUX_KERNEL_HASH) endef +KERNEL_GIT_OPTS:= +ifneq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"") + KERNEL_GIT_OPTS+=--reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY) +endif + +ifneq ($(strip $(CONFIG_KERNEL_GIT_BRANCH)),"") + KERNEL_GIT_OPTS+=--branch $(CONFIG_KERNEL_GIT_BRANCH) +endif + +define Download/git-kernel + URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)) + PROTO:=git + VERSION:=$(CONFIG_KERNEL_GIT_BRANCH) + FILE:=$(LINUX_SOURCE) + SUBDIR:=linux-$(LINUX_VERSION) + OPTS:=$(KERNEL_GIT_OPTS) +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 \ + $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \ + | bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2 + endef +endif + +ifeq ($(DUMP)$(filter prereq clean refresh update,$(MAKECMDGOALS)),) + ifneq ($(if $(QUILT),,$(CONFIG_AUTOREBUILD)),) + define Kernel/Autoclean + $(PKG_BUILD_DIR)/.dep_files: $(STAMP_PREPARED) + $(call rdep,$(KERNEL_FILE_DEPENDS),$(STAMP_PREPARED),$(PKG_BUILD_DIR)/.dep_files,-x "*/.dep_*") + endef + endif +endif + define BuildKernel $(if $(QUILT),$(Build/Quilt)) $(if $(LINUX_SITE),$(call Download,kernel)) + $(if $(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),$(call Download,git-kernel)) + + .NOTPARALLEL: - $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE) + $(Kernel/Autoclean) + $(STAMP_PREPARED): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE)) -rm -rf $(KERNEL_BUILD_DIR) -mkdir -p $(KERNEL_BUILD_DIR) $(Kernel/Prepare) touch $$@ - $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config + $(KERNEL_BUILD_DIR)/symtab.h: FORCE + rm -f $(KERNEL_BUILD_DIR)/symtab.h + touch $(KERNEL_BUILD_DIR)/symtab.h + +$(MAKE) $(KERNEL_MAKEOPTS) vmlinux + find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ + xargs $(TARGET_CROSS)nm | \ + awk '$$$$1 == "U" { print $$$$2 } ' | \ + sort -u > $(KERNEL_BUILD_DIR)/mod_symtab.txt + $(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | grep ' [rR] __ksymtab' | sed -e 's,........ [rR] __ksymtab_,,' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt + grep -Ff $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt + grep -Fvf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt + ( \ + echo '#define SYMTAB_KEEP \'; \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ + awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ + awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \ + echo; \ + echo '#define SYMTAB_DISCARD \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ + awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_DISCARD_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ + awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \ + echo; \ + ) > $$@ + + $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config FORCE $(Kernel/Configure) touch $$@ @@ -61,8 +140,9 @@ define BuildKernel $(Kernel/CompileModules) touch $$@ - $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE + $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE $(Kernel/CompileImage) + $(Kernel/CollectDebug) touch $$@ mostlyclean: FORCE @@ -71,18 +151,17 @@ define BuildKernel define BuildKernel endef - download: $(DL_DIR)/$(LINUX_SOURCE) + download: $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE)) prepare: $(STAMP_CONFIGURED) compile: $(LINUX_DIR)/.modules $(MAKE) -C image compile TARGET_BUILD= - oldconfig menuconfig: $(STAMP_PREPARED) FORCE - [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)" - $(LINUX_CONFCMD) > $(LINUX_DIR)/.config - touch $(LINUX_CONFIG) - $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ - $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(if $(LINUX_SUBCONFIG),$(LINUX_SUBCONFIG),$(LINUX_CONFIG)) - $(Kernel/Configure) + oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + rm -f $(LINUX_DIR)/.config.prev + rm -f $(STAMP_CONFIGURED) + $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config + $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib -lncurses" $$@ + $(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET) install: $(LINUX_DIR)/.image +$(MAKE) -C image compile install TARGET_BUILD=