+# SPDX-License-Identifier: GPL-2.0-only
#
-# Copyright (C) 2006-2015 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# Copyright (C) 2006-2020 OpenWrt.org
ifneq ($(filter check,$(MAKECMDGOALS)),)
CHECK:=1
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),$(KERNEL_BASE).0)
+ LINUX_UNAME_VERSION:=$(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.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)
+ ifneq (,$(findstring -rc,$(LINUX_VERSION)))
+ LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.gz
+ else
+ LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz
+ endif
+
+ ifneq (,$(findstring -rc,$(LINUX_VERSION)))
+ LINUX_SITE:=https://git.kernel.org/torvalds/t
+ else ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
+ LINUX_SITE:=@KERNEL/linux/kernel/v$(word 1,$(subst ., ,$(KERNEL_BASE))).x
else
LINUX_UNAME_VERSION:=$(strip $(shell cat $(LINUX_DIR)/include/config/kernel.release 2>/dev/null))
endif
TARGET_MODULES_DIR:=$(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
ifneq ($(TARGET_BUILD),1)
- PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+ PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(if $(BUILD_VARIANT),$(PKG_NAME)-$(BUILD_VARIANT)/)$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
endif
endif
KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS)
-KERNEL_MAKE_FLAGS := \
+KERNEL_MAKE_FLAGS = \
+ KCFLAGS="$(call iremap,$(BUILD_DIR),$(notdir $(BUILD_DIR)))" \
HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
KBUILD_BUILD_VERSION="0" \
HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
+ KBUILD_HOSTLDLIBS="-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=
+ cmd_syscalls= \
+ $(if $(__package_mk),KBUILD_EXTRA_SYMBOLS="$(wildcard $(PKG_SYMVERS_DIR)/*.symvers)")
+
+KERNEL_NOSTDINC_FLAGS = \
+ -nostdinc $(if $(DUMP),, -isystem $(shell $(TARGET_CC) -print-file-name=include))
ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
KERNEL_MAKE_FLAGS += \
KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
endif
+ifneq ($(HOST_OS),Linux)
+ KERNEL_MAKEOPTS += CONFIG_STACK_VALIDATION=
+ export SKIP_STACK_VALIDATION:=1
+endif
+
PKG_EXTMOD_SUBDIRS ?= .
-define populate_module_symvers
- 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)/$$$$subdir/Module.symvers; \
- done
-endef
+PKG_SYMVERS_DIR = $(KERNEL_BUILD_DIR)/symvers
define collect_module_symvers
- @mkdir -p $(PKG_INFO_DIR)
for subdir in $(PKG_EXTMOD_SUBDIRS); do \
+ realdir=$$$$(readlink -f $(PKG_BUILD_DIR)); \
grep -F $(PKG_BUILD_DIR) $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
+ [ "$(PKG_BUILD_DIR)" = "$$$$realdir" ] || \
+ grep -F $$$$realdir $(PKG_BUILD_DIR)/$$$$subdir/Module.symvers >> $(PKG_BUILD_DIR)/Module.symvers.tmp; \
done; \
sort -u $(PKG_BUILD_DIR)/Module.symvers.tmp > $(PKG_BUILD_DIR)/Module.symvers; \
- mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_INFO_DIR)/$(PKG_NAME).symvers
+ mkdir -p $(PKG_SYMVERS_DIR); \
+ mv $(PKG_BUILD_DIR)/Module.symvers $(PKG_SYMVERS_DIR)/$(PKG_NAME).symvers
endef
define KernelPackage/hooks
ifneq ($(PKG_NAME),kernel)
- Hooks/Compile/Pre += populate_module_symvers
Hooks/Compile/Post += collect_module_symvers
endif
define KernelPackage/hooks
define KernelPackage/Defaults
FILES:=
AUTOLOAD:=
+ MODPARAMS:=
PKGFLAGS+=nonshared
endef
+# 1: name
+# 2: install prefix
+# 3: module priority prefix
+# 4: required for boot
+# 5: module list
define ModuleAutoLoad
- $(SH_FUNC) \
- export modules=; \
- probe_module() { \
- local mods="$$$$$$$$1"; \
- local boot="$$$$$$$$2"; \
- local mod; \
- shift 2; \
- for mod in $$$$$$$$mods; do \
- mkdir -p $(2)/etc/modules.d; \
- echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
- done; \
- if [ -e $(2)/etc/modules.d/$(1) ]; then \
- if [ "$$$$$$$$boot" = "1" -a ! -e $(2)/etc/modules-boot.d/$(1) ]; then \
- mkdir -p $(2)/etc/modules-boot.d; \
- ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
- fi; \
- modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$mods"; \
- fi; \
- }; \
- add_module() { \
- local priority="$$$$$$$$1"; \
- local mods="$$$$$$$$2"; \
- local boot="$$$$$$$$3"; \
- local mod; \
- shift 3; \
- for mod in $$$$$$$$mods; do \
- mkdir -p $(2)/etc/modules.d; \
- echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
- done; \
- if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
- if [ "$$$$$$$$boot" = "1" -a ! -e $(2)/etc/modules-boot.d/$$$$$$$$priority-$(1) ]; then \
- mkdir -p $(2)/etc/modules-boot.d; \
- ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
- fi; \
- modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
- fi; \
- }; \
- $(3) \
- if [ -n "$$$$$$$$modules" ]; then \
- modules="$$$$$$$$(echo "$$$$$$$$modules" | tr ' ' '\n' | sort | uniq | paste -s -d' ' -)"; \
- mkdir -p $(2)/etc/modules.d; \
- mkdir -p $(2)/CONTROL; \
- echo "#!/bin/sh" > $(2)/CONTROL/postinst-pkg; \
- echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst-pkg; \
- echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst-pkg; \
- echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst-pkg; \
- chmod 0755 $(2)/CONTROL/postinst-pkg; \
- fi
+ $(if $(5), \
+ mkdir -p $(2)/etc/modules.d; \
+ ($(foreach mod,$(5), \
+ echo "$(mod)$(if $(MODPARAMS.$(mod)), $(MODPARAMS.$(mod)),$(if $(MODPARAMS), $(MODPARAMS)))"; )) > $(2)/etc/modules.d/$(3)$(1); \
+ $(if $(4), \
+ mkdir -p $(2)/etc/modules-boot.d; \
+ ln -sf ../modules.d/$(3)$(1) $(2)/etc/modules-boot.d/;))
endef
ifeq ($(DUMP)$(TARGET_BUILD),)
$(call KernelPackage/hooks)
ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
- ifneq ($(strip $(FILES)),)
- define Package/kmod-$(1)/install
+ define Package/kmod-$(1)/install
@for mod in $$(call version_filter,$$(FILES)); do \
if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
exit 1; \
fi; \
done;
- $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
+ $(call ModuleAutoLoad,$(1),$$(1),$(filter-out 0-,$(word 1,$(AUTOLOAD))-),$(filter-out 0,$(word 2,$(AUTOLOAD))),$(sort $(wordlist 3,99,$(AUTOLOAD))))
$(call KernelPackage/$(1)/install,$$(1))
- endef
- endif
+ endef
$(if $(CONFIG_PACKAGE_kmod-$(1)),
else
compile: $(1)-disabled
endif
$$(eval $$(call BuildPackage,kmod-$(1)))
- $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
+ $$(IPKG_kmod-$(1)): $$(wildcard $$(call version_filter,$$(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 "$(1)" "$(call version_filter,$(2))" "$(3)";
+ $(if $(1),$(1),0) $(if $(3),1,0) $(call version_filter,$(2))
endef
+# 1: module list
+# 2: boot flag
define AutoProbe
- probe_module "$(call version_filter,$(1))" "$(2)";
+ $(call AutoLoad,,$(1),$(2))
endef
version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
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