diff options
Diffstat (limited to 'include/kernel.mk')
| -rw-r--r-- | include/kernel.mk | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/include/kernel.mk b/include/kernel.mk new file mode 100644 index 0000000..6a613fe --- /dev/null +++ b/include/kernel.mk @@ -0,0 +1,240 @@ +# +# Copyright (C) 2006-2015 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +ifeq ($(__target_inc),) + include $(INCLUDE_DIR)/target.mk +endif + +ifeq ($(DUMP),1) + KERNEL?=<KERNEL> + BOARD?=<BOARD> + LINUX_VERSION?=<LINUX_VERSION> + LINUX_VERMAGIC?=<LINUX_VERMAGIC> +else + ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) + export GCC_HONOUR_COPTS=s + endif + + LINUX_KMOD_SUFFIX=ko + + ifneq (,$(findstring uml,$(BOARD))) + KERNEL_CC?=$(HOSTCC) + KERNEL_CROSS?= + else + KERNEL_CC?=$(TARGET_CC) + KERNEL_CROSS?=$(TARGET_CROSS) + endif + + ifeq ($(TARGET_BUILD),1) + PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) + FILES_DIR ?= $(foreach dir,$(wildcard ./files ./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) + + LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0) + ifneq ($(findstring -rc,$(LINUX_VERSION)),) + LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION)))) + endif + + MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION) + TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) + + LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux + + LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz + TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/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) + endif + + ifneq ($(TARGET_BUILD),1) + PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION)) + endif +endif + +ifneq (,$(findstring uml,$(BOARD))) + LINUX_KARCH=um +else ifneq (,$(findstring $(ARCH) , aarch64 aarch64_be )) + LINUX_KARCH := arm64 +else ifneq (,$(findstring $(ARCH) , armeb )) + LINUX_KARCH := arm +else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el )) + LINUX_KARCH := mips +else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 )) + LINUX_KARCH := sh +else ifneq (,$(findstring $(ARCH) , i386 x86_64 )) + LINUX_KARCH := x86 +else + LINUX_KARCH := $(ARCH) +endif + +define KernelPackage/Defaults + FILES:= + AUTOLOAD:= +endef + +define ModuleAutoLoad + $(SH_FUNC) \ + export modules=; \ + probe_module() { \ + mods="$$$$$$$$1"; \ + boot="$$$$$$$$2"; \ + shift 2; \ + for mod in $$$$$$$$mods; do \ + mkdir -p $(2)/etc/modules.d; \ + echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \ + done; \ + if [ -e $(2)/etc/modules.d/$(1) ]; then \ + if [ "$$$$$$$$boot" = "1" ]; then \ + mkdir -p $(2)/etc/modules-boot.d; \ + ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \ + fi; \ + modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$mods"; \ + fi; \ + }; \ + add_module() { \ + priority="$$$$$$$$1"; \ + mods="$$$$$$$$2"; \ + boot="$$$$$$$$3"; \ + shift 3; \ + for mod in $$$$$$$$mods; do \ + mkdir -p $(2)/etc/modules.d; \ + echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \ + done; \ + if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \ + if [ "$$$$$$$$boot" = "1" ]; then \ + mkdir -p $(2)/etc/modules-boot.d; \ + ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \ + fi; \ + modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \ + fi; \ + }; \ + $(3) \ + if [ -n "$$$$$$$$modules" ]; then \ + mkdir -p $(2)/etc/modules.d; \ + mkdir -p $(2)/CONTROL; \ + echo "#!/bin/sh" > $(2)/CONTROL/postinst-pkg; \ + echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst-pkg; \ + echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst-pkg; \ + echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst-pkg; \ + chmod 0755 $(2)/CONTROL/postinst-pkg; \ + fi +endef + +ifeq ($(DUMP)$(TARGET_BUILD),) + -include $(LINUX_DIR)/.config +endif + +define KernelPackage/depends + $(STAMP_BUILT): $(LINUX_DIR)/.config + define KernelPackage/depends + endef +endef + +define KernelPackage + NAME:=$(1) + $(eval $(call Package/Default)) + $(eval $(call KernelPackage/Defaults)) + $(eval $(call KernelPackage/$(1))) + $(eval $(call KernelPackage/$(1)/$(BOARD))) + + define Package/kmod-$(1) + TITLE:=$(TITLE) + SECTION:=kernel + CATEGORY:=Kernel modules + DESCRIPTION:=$(DESCRIPTION) + EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC)) + VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE)) + $(call KernelPackage/$(1)) + $(call KernelPackage/$(1)/$(BOARD)) + endef + + ifdef KernelPackage/$(1)/conffiles + define Package/kmod-$(1)/conffiles +$(call KernelPackage/$(1)/conffiles) + endef + endif + + ifdef KernelPackage/$(1)/description + define Package/kmod-$(1)/description +$(call KernelPackage/$(1)/description) + endef + endif + + ifdef KernelPackage/$(1)/config + define Package/kmod-$(1)/config +$(call KernelPackage/$(1)/config) + endef + endif + + $(call KernelPackage/depends) + + ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),) + ifneq ($(if $(SDK),$(filter-out $(LINUX_DIR)/%.ko,$(FILES)),$(strip $(FILES))),) + define Package/kmod-$(1)/install + @for mod in $$(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),$(AUTOLOAD)) + $(call KernelPackage/$(1)/install,$$(1)) + endef + endif + $(if $(CONFIG_PACKAGE_kmod-$(1)), + else + compile: $(1)-disabled + $(1)-disabled: + @echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2 + + define Package/kmod-$(1)/install + true + endef + ) + endif + $$(eval $$(call BuildPackage,kmod-$(1))) + + $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES)) +endef + +version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1)) + +define AutoLoad + add_module "$(1)" "$(call version_filter,$(2))" "$(3)"; +endef + +define AutoProbe + probe_module "$(call version_filter,$(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 + kernel_version_cmp= +else + 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)) + |