X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=include%2Fkernel-defaults.mk;h=e71746f651c6aa5ebfdd1965001b3824c2cb2cb6;hp=bae8cd0ee3ecac28cdf140d039d8b0061755c7b5;hb=cc76e34c10e57cb1a4f7971268a77aad2f24c8ca;hpb=57ef81d78f590c86aaebeb41c14528b33b73db94

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index bae8cd0ee3..e71746f651 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -1,25 +1,9 @@
+# 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.
-#
-
-KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
-	HOSTCFLAGS="$(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))" \
-	$(if $(SOURCE_DATE_EPOCH),KBUILD_BUILD_TIMESTAMP="$(shell date -u --date="@$(SOURCE_DATE_EPOCH)")") \
-	KBUILD_BUILD_VERSION="0" \
-	CONFIG_SHELL="$(BASH)" \
-	$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
-	$(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID))
+# Copyright (C) 2006-2020 OpenWrt.org
 
 ifdef CONFIG_STRIP_KERNEL_EXPORTS
-  KERNEL_MAKEOPTS += \
+  KERNEL_MAKEOPTS_IMAGE += \
 	EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h"
 endif
 
@@ -29,38 +13,27 @@ ifneq (,$(KERNEL_CC))
   KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
 endif
 
-ifdef CONFIG_USE_SPARSE
-  KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
-endif
-
-ifneq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
- KERNEL_MAKEOPTS += LOCALVERSION=
-endif
-
 export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include
 
 # defined in quilt.mk
 Kernel/Patch:=$(Kernel/Patch/Default)
 
-KERNEL_GIT_OPTS:=
-ifneq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"")
-  KERNEL_GIT_OPTS+=--reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)
-endif
-
-ifneq ($(strip $(CONFIG_KERNEL_GIT_BRANCH)),"")
-  KERNEL_GIT_OPTS+=--branch $(CONFIG_KERNEL_GIT_BRANCH)
+ifneq (,$(findstring .xz,$(LINUX_SOURCE)))
+  LINUX_CAT:=xzcat
+else
+  LINUX_CAT:=gzip -dc
 endif
 
 ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
   ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
     define Kernel/Prepare/Default
-	xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
+	$(LINUX_CAT) $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
 	$(Kernel/Patch)
 	$(if $(QUILT),touch $(LINUX_DIR)/.quilt_used)
     endef
   else
     define Kernel/Prepare/Default
-	git clone $(KERNEL_GIT_OPTS) $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR)
+	$(LINUX_CAT) $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
     endef
   endif
 else
@@ -70,10 +43,20 @@ else
 		rmdir $(LINUX_DIR); \
 	fi
 	ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR)
+	if [ -d $(LINUX_DIR)/user_headers ]; then \
+		rm -rf $(LINUX_DIR)/user_headers; \
+	fi
   endef
 endif
 
 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+  ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS_SEPARATE),y)
+    define Kernel/SetInitramfs/PreConfigure
+	grep -v -e CONFIG_BLK_DEV_INITRD $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+	echo 'CONFIG_BLK_DEV_INITRD=y' >> $(LINUX_DIR)/.config
+	echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+    endef
+  else
   ifeq ($(strip $(CONFIG_EXTERNAL_CPIO)),"")
     define Kernel/SetInitramfs/PreConfigure
 	grep -v -e INITRAMFS -e CONFIG_RD_ -e CONFIG_BLK_DEV_INITRD $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
@@ -86,13 +69,19 @@ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 	echo 'CONFIG_INITRAMFS_SOURCE="$(call qstrip,$(CONFIG_EXTERNAL_CPIO))"' >> $(LINUX_DIR)/.config
     endef
   endif
+endif
 
   define Kernel/SetInitramfs
 	rm -f $(LINUX_DIR)/.config.prev
 	mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
 	$(call Kernel/SetInitramfs/PreConfigure)
+  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS_SEPARATE),y)
 	echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config
 	echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config
+	echo "$(if $(CONFIG_TARGET_INITRAMFS_FORCE),CONFIG_INITRAMFS_FORCE=y,# CONFIG_INITRAMFS_FORCE is not set)" >> $(LINUX_DIR)/.config
+  else
+	echo "# CONFIG_INITRAMFS_FORCE is not set" >> $(LINUX_DIR)/.config
+  endif
 	echo "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_NONE),CONFIG_INITRAMFS_COMPRESSION_NONE=y,# CONFIG_INITRAMFS_COMPRESSION_NONE is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),CONFIG_INITRAMFS_COMPRESSION_GZIP=y\nCONFIG_RD_GZIP=y,# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set\n# CONFIG_RD_GZIP is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2),CONFIG_INITRAMFS_COMPRESSION_BZIP2=y\nCONFIG_RD_BZIP2=y,# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set\n# CONFIG_RD_BZIP2 is not set)" >> $(LINUX_DIR)/.config
@@ -100,6 +89,7 @@ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO),CONFIG_INITRAMFS_COMPRESSION_LZO=y\nCONFIG_RD_LZO=y,# CONFIG_INITRAMFS_COMPRESSION_LZO is not set\n# CONFIG_RD_LZO is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ),CONFIG_INITRAMFS_COMPRESSION_XZ=y\nCONFIG_RD_XZ=y,# CONFIG_INITRAMFS_COMPRESSION_XZ is not set\n# CONFIG_RD_XZ is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4),CONFIG_INITRAMFS_COMPRESSION_LZ4=y\nCONFIG_RD_LZ4=y,# CONFIG_INITRAMFS_COMPRESSION_LZ4 is not set\n# CONFIG_RD_LZ4 is not set)" >> $(LINUX_DIR)/.config
+	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_ZSTD),CONFIG_INITRAMFS_COMPRESSION_ZSTD=y\nCONFIG_RD_ZSTD=y,# CONFIG_INITRAMFS_COMPRESSION_ZSTD is not set\n# CONFIG_RD_ZSTD is not set)" >> $(LINUX_DIR)/.config
   endef
 else
 endif
@@ -108,6 +98,7 @@ define Kernel/SetNoInitramfs
 	mv $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.old
 	grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config.set
 	echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config.set
+	echo '# CONFIG_INITRAMFS_FORCE is not set' >> $(LINUX_DIR)/.config.set
 endef
 
 define Kernel/Configure/Default
@@ -126,8 +117,8 @@ define Kernel/Configure/Default
 		cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config; \
 		cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev; \
 	}
-	$(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
-	$(SH_FUNC) grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | md5s > $(LINUX_DIR)/.vermagic
+	$(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(KERNEL_MAKE) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
+	grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | $(MKHASH) md5 > $(LINUX_DIR)/.vermagic
 endef
 
 define Kernel/Configure/Initramfs
@@ -136,7 +127,7 @@ endef
 
 define Kernel/CompileModules/Default
 	rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
-	+$(MAKE) $(KERNEL_MAKEOPTS) modules
+	+$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules
 endef
 
 OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
@@ -152,7 +143,7 @@ define Kernel/CopyImage
 		$(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf; \
 		$(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug; \
 		$(foreach k, \
-			$(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out dtbs,$(KERNELNAME))), \
+			$(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out vmlinux dtbs,$(KERNELNAME))), \
 			$(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \
 		) \
 	}
@@ -160,16 +151,31 @@ endef
 
 define Kernel/CompileImage/Default
 	rm -f $(TARGET_DIR)/init
-	+$(MAKE) $(KERNEL_MAKEOPTS) $(if $(KERNELNAME),$(KERNELNAME),all) modules
+	+$(KERNEL_MAKE) $(KERNEL_MAKEOPTS_IMAGE) $(if $(KERNELNAME),$(KERNELNAME),all)
 	$(call Kernel/CopyImage)
 endef
 
 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
 define Kernel/CompileImage/Initramfs
 	$(call Kernel/Configure/Initramfs)
-	$(CP) $(GENERIC_PLATFORM_DIR)/base-files/init $(TARGET_DIR)/init
+	$(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(TARGET_DIR)/init
+	$(if $(SOURCE_DATE_EPOCH),touch -hcd "@$(SOURCE_DATE_EPOCH)" $(TARGET_DIR)/init)
 	rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio*
-	+$(MAKE) $(KERNEL_MAKEOPTS) $(if $(KERNELNAME),$(KERNELNAME),all) modules
+ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS_SEPARATE),y)
+ifeq ($(CONFIG_EXTERNAL_CPIO),y)
+	$(CP) $(CONFIG_EXTERNAL_CPIO) $(KERNEL_BUILD_DIR)/initrd.cpio
+else
+	( cd $(TARGET_DIR); find . | $(STAGING_DIR_HOST)/bin/cpio -o -H newc -R 0:0 > $(KERNEL_BUILD_DIR)/initrd.cpio )
+endif
+	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2),bzip2 -9 -c < $(KERNEL_BUILD_DIR)/initrd.cpio > $(KERNEL_BUILD_DIR)/initrd.cpio.bzip2)
+	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),gzip -f -S .gzip -9n $(KERNEL_BUILD_DIR)/initrd.cpio)
+	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA),$(STAGING_DIR_HOST)/bin/lzma e -lc1 -lp2 -pb2 $(KERNEL_BUILD_DIR)/initrd.cpio $(KERNEL_BUILD_DIR)/initrd.cpio.lzma)
+# ?	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO),)
+	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ),$(STAGING_DIR_HOST)/bin/xz -9 -fz --check=crc32 $(KERNEL_BUILD_DIR)/initrd.cpio)
+# ?	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4),)
+	$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_ZSTD),$(STAGING_DIR_HOST)/bin/zstd -T0 -f -o $(KERNEL_BUILD_DIR)/initrd.cpio.zstd $(KERNEL_BUILD_DIR)/initrd.cpio)
+endif
+	+$(KERNEL_MAKE) $(KERNEL_MAKEOPTS_IMAGE) $(if $(KERNELNAME),$(KERNELNAME),all)
 	$(call Kernel/CopyImage,-initramfs)
 endef
 else
@@ -182,5 +188,3 @@ define Kernel/Clean/Default
 	rm -f $(LINUX_KERNEL)
 	$(_SINGLE)$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
 endef
-
-