X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=include%2Fkernel.mk;h=c169550f488f45de29dfb2137a7bb29441da1855;hp=20377af3cf80fd2851d76a04390013db548caadd;hb=d3756a9a134bdca2a6af0d6e0772778cc1bb42e1;hpb=56164a5815346ed801c1fd8885023f55c19b29ff diff --git a/include/kernel.mk b/include/kernel.mk index 20377af3cf..c169550f48 100644 --- a/include/kernel.mk +++ b/include/kernel.mk @@ -1,27 +1,39 @@ -# -# Copyright (C) 2006 OpenWrt.org +# +# Copyright (C) 2006-2015 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # +ifneq ($(filter check,$(MAKECMDGOALS)),) +CHECK:=1 +DUMP:=1 +endif + +ifneq ($(SOURCE_DATE_EPOCH),) + ifndef DUMP + KBUILD_BUILD_TIMESTAMP:=$(shell perl -e 'print scalar gmtime($(SOURCE_DATE_EPOCH))') + endif +endif + ifeq ($(__target_inc),) - include $(INCLUDE_DIR)/target.mk + ifndef CHECK + include $(INCLUDE_DIR)/target.mk + endif endif ifeq ($(DUMP),1) KERNEL?= BOARD?= LINUX_VERSION?= + LINUX_VERMAGIC?= else - export GCC_HONOUR_COPTS=s - - ifeq ($(KERNEL),2.6) - LINUX_KMOD_SUFFIX=ko - else - LINUX_KMOD_SUFFIX=o + ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) + export GCC_HONOUR_COPTS=s endif + LINUX_KMOD_SUFFIX=ko + ifneq (,$(findstring uml,$(BOARD))) KERNEL_CC?=$(HOSTCC) KERNEL_CROSS?= @@ -30,19 +42,33 @@ else KERNEL_CROSS?=$(TARGET_CROSS) endif - PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) - FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)") - KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) + ifeq ($(TARGET_BUILD),1) + PATCH_DIR ?= $(CURDIR)/patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) + FILES_DIR ?= $(foreach dir,$(wildcard $(CURDIR)/files $(CURDIR)/files-$(KERNEL_PATCHVER)),"$(dir)") + endif + KERNEL_BUILD_DIR ?= $(BUILD_DIR)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)) LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) + LINUX_UAPI_DIR=uapi/ + LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null)) + LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown) - MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION) - TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) + LINUX_UNAME_VERSION:=$(KERNEL_BASE) + ifneq ($(findstring -rc,$(LINUX_VERSION)),) + LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION)))) + endif LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux - LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2 + LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,) - LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) \ + ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),) + LINUX_SITE:=@KERNEL/linux/kernel/v$(word 1,$(subst ., ,$(KERNEL_BASE))).x$(TESTING) + else + LINUX_UNAME_VERSION:=$(strip $(shell cat $(LINUX_DIR)/include/config/kernel.release 2>/dev/null)) + endif + + MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION) + TARGET_MODULES_DIR:=$(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) ifneq ($(TARGET_BUILD),1) PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION)) @@ -51,38 +77,99 @@ endif ifneq (,$(findstring uml,$(BOARD))) LINUX_KARCH=um +else ifneq (,$(findstring $(ARCH) , aarch64 aarch64_be )) + LINUX_KARCH := arm64 +else ifneq (,$(findstring $(ARCH) , arceb )) + LINUX_KARCH := arc +else ifneq (,$(findstring $(ARCH) , armeb )) + LINUX_KARCH := arm +else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el )) + LINUX_KARCH := mips +else ifneq (,$(findstring $(ARCH) , powerpc64 )) + LINUX_KARCH := powerpc +else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 )) + LINUX_KARCH := sh +else ifneq (,$(findstring $(ARCH) , i386 x86_64 )) + LINUX_KARCH := x86 else - ifeq (,$(LINUX_KARCH)) - LINUX_KARCH=$(strip $(subst i386,x86,$(subst armeb,arm,$(subst mipsel,mips,$(subst mips64,mips,$(subst mips64el,mips,$(subst sh2,sh,$(subst sh3,sh,$(subst sh4,sh,$(ARCH)))))))))) - endif + LINUX_KARCH := $(ARCH) +endif + +KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS) + +KERNEL_MAKE_FLAGS := \ + HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \ + CROSS_COMPILE="$(KERNEL_CROSS)" \ + ARCH="$(LINUX_KARCH)" \ + KBUILD_HAVE_NLS=no \ + KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \ + KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \ + KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \ + KBUILD_BUILD_VERSION="0" \ + HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \ + CONFIG_SHELL="$(BASH)" \ + $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \ + $(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) \ + cmd_syscalls= + +ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),) + KERNEL_MAKE_FLAGS += \ + KERNELRELEASE=$(LINUX_VERSION) +endif + +KERNEL_MAKEOPTS := -C $(LINUX_DIR) $(KERNEL_MAKE_FLAGS) + +ifdef CONFIG_USE_SPARSE + KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse endif +PKG_EXTMOD_SUBDIRS ?= . + +define populate_module_symvers + @mkdir -p $(PKG_INFO_DIR) + cat /dev/null > $(PKG_INFO_DIR)/$(PKG_NAME).symvers; \ + for subdir in $(PKG_EXTMOD_SUBDIRS); do \ + cat $(PKG_INFO_DIR)/*.symvers 2>/dev/null > $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers; \ + done +endef + +define collect_module_symvers + for subdir in $(PKG_EXTMOD_SUBDIRS); do \ + grep -F $$$$(readlink -f $(PKG_BUILD_DIR)) $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \ + done; \ + sort -u $(PKG_BUILD_DIR)/Module.symvers.tmp > $(PKG_BUILD_DIR)/Module.symvers; \ + mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_INFO_DIR)/$(PKG_NAME).symvers +endef + +define KernelPackage/hooks + ifneq ($(PKG_NAME),kernel) + Hooks/Compile/Pre += populate_module_symvers + Hooks/Compile/Post += collect_module_symvers + endif + define KernelPackage/hooks + endef +endef define KernelPackage/Defaults FILES:= AUTOLOAD:= + MODPARAMS:= + PKGFLAGS+=nonshared endef +# 1: name +# 2: install prefix +# 3: module priority prefix +# 4: required for boot +# 5: module list define ModuleAutoLoad - export modules=; \ - add_module() { \ - mkdir -p $(2)/etc/modules.d; \ - ( \ - for mod in $$$$$$$$2; do \ - getvar mod; \ - done \ - ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \ - modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \ - }; \ - $(3) \ - if [ -n "$$$$$$$$modules" ]; then \ - mkdir -p $(2)/etc/modules.d; \ - echo "#!/bin/sh" > $(2)/CONTROL/postinst; \ - echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \ - echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \ - echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \ - chmod 0755 $(2)/CONTROL/postinst; \ - fi + $(if $(5), \ + mkdir -p $(2)/etc/modules.d; \ + ($(foreach mod,$(5), \ + echo "$(mod)$(if $(MODPARAMS.$(mod)), $(MODPARAMS.$(mod)),$(if $(MODPARAMS), $(MODPARAMS)))"; )) > $(2)/etc/modules.d/$(3)$(1); \ + $(if $(4), \ + mkdir -p $(2)/etc/modules-boot.d; \ + ln -sf ../modules.d/$(3)$(1) $(2)/etc/modules-boot.d/;)) endef ifeq ($(DUMP)$(TARGET_BUILD),) @@ -100,21 +187,28 @@ define KernelPackage $(eval $(call Package/Default)) $(eval $(call KernelPackage/Defaults)) $(eval $(call KernelPackage/$(1))) - $(eval $(call KernelPackage/$(1)/$(KERNEL))) - $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))) + $(eval $(call KernelPackage/$(1)/$(BOARD))) + $(eval $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic))) define Package/kmod-$(1) TITLE:=$(TITLE) SECTION:=kernel CATEGORY:=Kernel modules DESCRIPTION:=$(DESCRIPTION) - EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) - VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(BOARD)-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE)) + EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC)) + VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE)) + PKGFLAGS:=$(PKGFLAGS) $(call KernelPackage/$(1)) - $(call KernelPackage/$(1)/$(KERNEL)) - $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)) + $(call KernelPackage/$(1)/$(BOARD)) + $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic)) endef + ifdef KernelPackage/$(1)/conffiles + define Package/kmod-$(1)/conffiles +$(call KernelPackage/$(1)/conffiles) + endef + endif + ifdef KernelPackage/$(1)/description define Package/kmod-$(1)/description $(call KernelPackage/$(1)/description) @@ -128,21 +222,33 @@ $(call KernelPackage/$(1)/config) endif $(call KernelPackage/depends) + $(call KernelPackage/hooks) - ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),) - ifneq ($(strip $(FILES)),) - define Package/kmod-$(1)/install - mkdir -p $$(1)/lib/modules/$(LINUX_VERSION) - $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/ - $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD)) + ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),) + define Package/kmod-$(1)/install + @for mod in $$(call version_filter,$$(FILES)); do \ + if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \ + echo "NOTICE: module '$$$$$$$$mod' is built-in."; \ + elif [ -e $$$$$$$$mod ]; then \ + mkdir -p $$(1)/$(MODULES_SUBDIR) ; \ + $(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \ + else \ + echo "ERROR: module '$$$$$$$$mod' is missing." >&2; \ + exit 1; \ + fi; \ + done; + $(call ModuleAutoLoad,$(1),$$(1),$(filter-out 0-,$(word 1,$(AUTOLOAD))-),$(filter-out 0,$(word 2,$(AUTOLOAD))),$(wordlist 3,99,$(AUTOLOAD))) $(call KernelPackage/$(1)/install,$$(1)) - endef - endif + endef $(if $(CONFIG_PACKAGE_kmod-$(1)), else - compile: kmod-$(1)-unavailable - kmod-$(1)-unavailable: - @echo "WARNING: kmod-$(1) is not available in the kernel config" + compile: $(1)-disabled + $(1)-disabled: + @echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2 + + define Package/kmod-$(1)/install + true + endef ) endif $$(eval $$(call BuildPackage,kmod-$(1))) @@ -150,15 +256,35 @@ $(call KernelPackage/$(1)/config) $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES)) endef +version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/package-metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1)) + +# 1: priority (optional) +# 2: module list +# 3: boot flag define AutoLoad - add_module $(1) "$(2)"; + $(if $(1),$(1),0) $(if $(3),1,0) $(call version_filter,$(2)) endef +# 1: module list +# 2: boot flag +define AutoProbe + $(call AutoLoad,,$(1),$(2)) +endef + +version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0) +kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) )) + ifdef DUMP - CompareKernelPatchVer=0 + kernel_version_cmp= else - define CompareKernelPatchVer - $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0) - endef + kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 ) endif +CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0) + +kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1)) +