X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=include%2Fkernel-build.mk;h=c42dae0049ba4f010c9833212074576f190afffe;hb=HEAD;hp=7c5d1fbe9cd5b9a88c759ecfda8dfe5f778e6146;hpb=8e808a54c257f5ffd4649b6be52b9a164c6c63d0;p=openwrt%2Fopenwrt.git diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 7c5d1fbe9c..c42dae0049 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,18 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0-only # -# Copyright (C) 2006-2007 OpenWrt.org -# -# This is free software, licensed under the GNU General Public License v2. -# See /LICENSE for more information. -# -include $(INCLUDE_DIR)/host.mk +# Copyright (C) 2006-2020 OpenWrt.org + include $(INCLUDE_DIR)/prereq.mk +include $(INCLUDE_DIR)/depends.mk ifneq ($(DUMP),1) all: compile endif -export QUILT=1 -STAMP_PREPARED:=$(LINUX_DIR)/.prepared +KERNEL_FILE_DEPENDS=$(GENERIC_BACKPORT_DIR) $(GENERIC_PATCH_DIR) $(GENERIC_HACK_DIR) $(PATCH_DIR) $(GENERIC_FILES_DIR) $(FILES_DIR) +STAMP_PREPARED=$(LINUX_DIR)/.prepared$(if $(QUILT)$(DUMP),,_$(shell $(call $(if $(CONFIG_AUTOREMOVE),find_md5_reproducible,find_md5),$(KERNEL_FILE_DEPENDS),))) STAMP_CONFIGURED:=$(LINUX_DIR)/.configured include $(INCLUDE_DIR)/download.mk include $(INCLUDE_DIR)/quilt.mk @@ -32,6 +30,7 @@ endef define Kernel/CompileImage $(call Kernel/CompileImage/Default) + $(call Kernel/CompileImage/Initramfs) endef define Kernel/Clean @@ -41,51 +40,109 @@ endef define Download/kernel URL:=$(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 $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY) +endif + +define Download/git-kernel + URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)) + PROTO:=git + VERSION:=$(CONFIG_KERNEL_GIT_REF) + 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)/*.ko \ + $(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)") \ + | zstd -T0 -f -o $(BIN_DIR)/kernel-debug.tar.zst + endef +endif + +ifeq ($(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)) - $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE) + .NOTPARALLEL: + + $(Kernel/Autoclean) + $(STAMP_PREPARED): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE)) -rm -rf $(KERNEL_BUILD_DIR) -mkdir -p $(KERNEL_BUILD_DIR) $(Kernel/Prepare) touch $$@ - $(KERNEL_BUILD_DIR)/symtab.txt: FORCE + $(KERNEL_BUILD_DIR)/symtab.h: FORCE + rm -f $(KERNEL_BUILD_DIR)/symtab.h + touch $(KERNEL_BUILD_DIR)/symtab.h + +$(KERNEL_MAKE) vmlinux find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ xargs $(TARGET_CROSS)nm | \ awk '$$$$1 == "U" { print $$$$2 } ' | \ - sort -u > $$@ - - $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt + sort -u > $(KERNEL_BUILD_DIR)/mod_symtab.txt + $(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | awk '/^[0-9a-f]+ [rR] __ksymtab_/ {print substr($$$$3,11)}' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt + grep -Ff $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt + grep -Fvf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt ( \ echo '#define SYMTAB_KEEP \'; \ - cat $(KERNEL_BUILD_DIR)/symtab.txt | \ - awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ + awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \ echo; \ echo '#define SYMTAB_KEEP_GPL \'; \ - cat $(KERNEL_BUILD_DIR)/symtab.txt | \ - awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ + awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \ echo; \ - echo '#define SYMTAB_KEEP_STR \'; \ - cat $(KERNEL_BUILD_DIR)/symtab.txt | \ - awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ + echo '#define SYMTAB_DISCARD \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ + awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_DISCARD_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ + awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \ echo; \ ) > $$@ - $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config + $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config FORCE $(Kernel/Configure) touch $$@ + $(LINUX_DIR)/.modules: export STAGING_PREFIX=$$(STAGING_DIR_HOST) + $(LINUX_DIR)/.modules: export PKG_CONFIG_PATH=$$(STAGING_DIR_HOST)/lib/pkgconfig + $(LINUX_DIR)/.modules: export PKG_CONFIG_LIBDIR=$$(STAGING_DIR_HOST)/lib/pkgconfig + $(LINUX_DIR)/.modules: export FAIL_ON_UNCONFIGURED=1 $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE $(Kernel/CompileModules) touch $$@ + $(LINUX_DIR)/.image: export STAGING_PREFIX=$$(STAGING_DIR_HOST) + $(LINUX_DIR)/.image: export PKG_CONFIG_PATH=$$(STAGING_DIR_HOST)/lib/pkgconfig + $(LINUX_DIR)/.image: export PKG_CONFIG_LIBDIR=$$(STAGING_DIR_HOST)/lib/pkgconfig $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE $(Kernel/CompileImage) + $(Kernel/CollectDebug) touch $$@ mostlyclean: FORCE @@ -94,19 +151,27 @@ define BuildKernel define BuildKernel endef - download: $(DL_DIR)/$(LINUX_SOURCE) - prepare: $(STAMP_CONFIGURED) + download: $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE)) + prepare: $(STAMP_PREPARED) compile: $(LINUX_DIR)/.modules $(MAKE) -C image compile TARGET_BUILD= - oldconfig menuconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE - [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)" - $(LINUX_CONFCMD) > $(LINUX_DIR)/.config - touch $(LINUX_CONFIG) - $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ - $(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) + dtb: $(STAMP_CONFIGURED) + $(_SINGLE)$(KERNEL_MAKE) scripts_dtc + $(MAKE) -C image compile-dtb TARGET_BUILD= + + oldconfig menuconfig nconfig xconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + rm -f $(LINUX_DIR)/.config.prev + rm -f $(STAMP_CONFIGURED) + $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config + $(_SINGLE)$(KERNEL_MAKE) \ + $(if $(findstring Darwin,$(HOST_OS)), \ + HOSTLDLIBS_mconf="-L$(STAGING_DIR_HOST)/lib -lncurses" \ + filechk_conf_cfg=" :" \ + ) \ + YACC=$(STAGING_DIR_HOST)/bin/bison \ + $$@ + $(call LINUX_RECONF_DIFF,$(LINUX_DIR)/.config) > $(LINUX_RECONFIG_TARGET) install: $(LINUX_DIR)/.image +$(MAKE) -C image compile install TARGET_BUILD=