ramips/mt76x8: add initramfs support for tplink 841n v13

[openwrt/staging/wigyori.git] / include / kernel.mk

diff --git a/include/kernel.mk b/include/kernel.mk
index 2b87aeba337550597564da4336ef2f1e0d9dc03f..7674f0dadc202a4aa02c609296acc191377a3cad 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -5,8 +5,21 @@
 # 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)
@@ -30,8 +43,8 @@ else
   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)")
+    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)
@@ -44,17 +57,19 @@ else
     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)
+  else
+      LINUX_UNAME_VERSION:=$(strip $(shell cat $(LINUX_DIR)/include/config/kernel.release))
   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))
   endif
@@ -78,6 +93,34 @@ else
   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
+
 define KernelPackage/Defaults
   FILES:=
   AUTOLOAD:=
@@ -88,15 +131,16 @@ define ModuleAutoLoad
        $(SH_FUNC) \
        export modules=; \
        probe_module() { \
-               mods="$$$$$$$$1"; \
-               boot="$$$$$$$$2"; \
+               local mods="$$$$$$$$1"; \
+               local boot="$$$$$$$$2"; \
+               local mod; \
                shift 2; \
-               for mod in $(sort $$$$$$$$mods); do \
+               for mod in $$$$$$$$mods; do \
                        mkdir -p $(2)/etc/modules.d; \
                        echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
                done; \
                if [ -e $(2)/etc/modules.d/$(1) ]; then \
-                       if [ "$$$$$$$$boot" = "1" ]; then \
+                       if [ "$$$$$$$$boot" = "1" -a ! -e $(2)/etc/modules-boot.d/$(1) ]; then \
                                mkdir -p $(2)/etc/modules-boot.d; \
                                ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
                        fi; \
@@ -104,16 +148,17 @@ define ModuleAutoLoad
                fi; \
        }; \
        add_module() { \
-               priority="$$$$$$$$1"; \
-               mods="$$$$$$$$2"; \
-               boot="$$$$$$$$3"; \
+               local priority="$$$$$$$$1"; \
+               local mods="$$$$$$$$2"; \
+               local boot="$$$$$$$$3"; \
+               local mod; \
                shift 3; \
-               for mod in $(sort $$$$$$$$mods); do \
+               for mod in $$$$$$$$mods; do \
                        mkdir -p $(2)/etc/modules.d; \
                        echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
                done; \
                if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
-                       if [ "$$$$$$$$boot" = "1" ]; then \
+                       if [ "$$$$$$$$boot" = "1" -a ! -e $(2)/etc/modules-boot.d/$$$$$$$$priority-$(1) ]; then \
                                mkdir -p $(2)/etc/modules-boot.d; \
                                ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
                        fi; \
@@ -122,6 +167,7 @@ define ModuleAutoLoad
        }; \
        $(3) \
        if [ -n "$$$$$$$$modules" ]; then \
+               modules="$$$$$$$$(echo "$$$$$$$$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; \
@@ -148,6 +194,7 @@ define KernelPackage
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
   $(eval $(call KernelPackage/$(1)/$(BOARD)))
+  $(eval $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic)))
 
   define Package/kmod-$(1)
     TITLE:=$(TITLE)
@@ -159,6 +206,7 @@ define KernelPackage
     PKGFLAGS:=$(PKGFLAGS)
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(BOARD))
+    $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic))
   endef
 
   ifdef KernelPackage/$(1)/conffiles
@@ -215,7 +263,7 @@ $(call KernelPackage/$(1)/config)
   $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
 endef
 
-version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1))
+version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/package-metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1))
 
 define AutoLoad
   add_module "$(1)" "$(call version_filter,$(2))" "$(3)";