add kernel-headers package to support linux-headers for linux kernel 6.6

Signed-off-by: weishanshan1084 <weishanshan1084@phytium.com.cn>

board/phytium/common/post-build.sh

@@ -1,112 +1,8 @@
 #!/usr/bin/env bash
 
-deploy_kernel_headers_510 () {
-	topdir=$(pwd)
-	pdir=$1
-	version=$2
-	srctree=$pdir/lib/modules/$version/source
-	objtree=$pdir/lib/modules/$version/build
-	cd $objtree
-	mkdir debian
-
-	(
-		cd $srctree
-		find . arch/arm64 -maxdepth 1 -name Makefile\*
-		find include scripts -type f -o -type l
-		find arch/arm64 -name Kbuild.platforms -o -name Platform
-		find $(find arch/arm64 -name include -o -name scripts -type d) -type f
-	) > debian/hdrsrcfiles
-
-	{
-		if grep -q "^CONFIG_STACK_VALIDATION=y" include/config/auto.conf; then
-			echo tools/objtool/objtool
-		fi
-
-		find arch/arm64/include Module.symvers include scripts -type f
-
-		if grep -q "^CONFIG_GCC_PLUGINS=y" include/config/auto.conf; then
-			find scripts/gcc-plugins -name \*.so
-		fi
-	} > debian/hdrobjfiles
-
-	destdir=$pdir/usr/src/linux-headers-$version
-	mkdir -p $destdir
-	tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir
-	tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir
-	rm -rf debian
-
-	# copy .config manually to be where it's expected to be
-	cp .config $destdir/.config
-	# used to build dma
-	cp drivers/dma/dmaengine.h $1/usr/include
-	cp drivers/dma/virt-dma.h $1/usr/include
-	find $destdir -name "*.o" -type f -exec rm -rf {} \;
-	cd $topdir
-	cp -r board/phytium/common/linux-5.10/scripts $destdir
-
-	rm -rf $srctree
-	rm -rf $objtree
-	ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
-}
-
-deploy_kernel_headers_419 () {
-	topdir=$(pwd)
-	pdir=$1
-	version=$2
-	srctree=$pdir/lib/modules/$version/source
-	objtree=$pdir/lib/modules/$version/build
-	cd $objtree
-	mkdir debian
-
-	(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
-	(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
-	(cd $srctree; find arch/arm64 -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
-	(cd $srctree; find $(find arch/arm64 -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
-	if grep -q '^CONFIG_STACK_VALIDATION=y' .config ; then
-		(cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
-	fi
-	(cd $objtree; find arch/arm64/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
-	if grep -q '^CONFIG_GCC_PLUGINS=y' .config ; then
-		(cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
-	fi
-	destdir=$pdir/usr/src/linux-headers-$version
-	mkdir -p "$destdir"
-	(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
-	(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
-	(cd $objtree; cp .config $destdir/.config) # copy .config manually to be where it's expected to be
-	(cd $srctree; cp --parents tools/include/tools/be_byteshift.h $destdir)
-	(cd $srctree; cp --parents tools/include/tools/le_byteshift.h $destdir)
-	(cd $srctree; cp drivers/dma/dmaengine.h $1/usr/include) # used to build dma
-	(cd $srctree; cp drivers/dma/virt-dma.h $1/usr/include)
-	find $destdir -name "*.o" -type f -exec rm -rf {} \;
-	cd $topdir
-	cp -r board/phytium/common/linux-4.19/scripts $destdir
-	rm -rf "$objtree/debian"
-
-	rm -rf $srctree
-	rm -rf $objtree
-	ln -sf "/usr/src/linux-headers-$version" "$pdir/lib/modules/$version/build"
-}
-
 main()
 {
 	# $1 - the current rootfs directory, skeleton-custom or target
-
-	if [ ! -d $1/lib/modules ]; then
-		make linux-rebuild ${O:+O=$O}
-	fi
-
-	KERNELVERSION=`ls $1/lib/modules`
-	if grep -Eq "^BR2_ROOTFS_LINUX_HEADERS=y$" ${BR2_CONFIG} && [ -L $1/lib/modules/${KERNELVERSION}/source ]; then
-		if [[ ${KERNELVERSION} = 5.10* || ${KERNELVERSION} = 5.15* ]];then
-			deploy_kernel_headers_510 $1 ${KERNELVERSION}
-		elif [[ ${KERNELVERSION} = 4.19* ]];then
-			deploy_kernel_headers_419 $1 ${KERNELVERSION}
-		else
-			echo "error: linux kernel version is not 4.19, 5.10, or 5.15."
-		fi
-	fi
-
 	if grep -Eq "^BR2_ROOTFS_CHOWN=y$" ${BR2_CONFIG}; then
 		ln -sf /lib/systemd/system/systemd-rootfs-chown.service $1/etc/systemd/system/multi-user.target.wants/systemd-rootfs-chown.service
 	fi

board/phytium/genimage-5.10.cfg

@@ -1,52 +0,0 @@
-image efi-part.vfat {
-        vfat {
-                file EFI {
-                        image = "efi-part/EFI"
-                }
-                file Image {
-                        image = "Image"
-                }
-                files = {
-			"e2000d-chillipi-edu-board.dtb",
-			"e2000d-demo-board.dtb",
-			"e2000d-miniitx-board.dtb",
-			"e2000d-power-board.dtb",
-			"e2000q-come-board.dtb",
-			"e2000q-demo-board.dtb",
-			"e2000q-edu-board.dtb",
-			"e2000q-hanwei-board.dtb",
-			"e2000q-miniitx-board.dtb",
-			"e2000q-vpx-board.dtb",
-			"e2000s-demo-board.dtb",
-			"pd1904-devboard-d4-dsk.dtb",
-			"pd2008-devboard-dsk.dtb",
-			"pd2308-demo-a.dtb",
-			"pd2308-demo-b.dtb",
-			"ps2316-devboard-16c-dsk.dtb",
-			"phytiumpi_firefly.dtb"
-                }
-
-        }
-
-        size = 400M
-}
-
-image disk.img {
-        hdimage {
-                partition-table-type = "gpt"
-        }
-
-        partition boot {
-                image = "efi-part.vfat"
-                partition-type-uuid = c12a7328-f81f-11d2-ba4b-00a0c93ec93b
-                offset = 32K
-                bootable = true
-        }
-
-        partition root {
-                partition-type-uuid = 0FC63DAF-8483-4772-8E79-3D69D8477DE4 
-                partition-uuid = "0a52c129-7e0f-43ad-989f-d96b07ccdbb2"
-                image = "rootfs.ext2"
-                size = 11G
-        }
-}

package/Config.in

@@ -254,6 +254,7 @@ menu "Filesystem and flash utilities"
 	source "package/zerofree/Config.in"
 	source "package/zfs/Config.in"
 	source "package/rootfs-chown/Config.in"
+	source "package/kernel-headers/Config.in"
 endmenu
 
 menu "Fonts, cursors, icons, sounds and themes"

package/kernel-headers/Config.in

@@ -0,0 +1,5 @@
+config BR2_PACKAGE_KERNEL_HEADERS
+	bool "linux kernel headers"
+	help
+	  This package is used to provide Linux kernel headers for
+	  building out-of-tree kernel modules.

package/kernel-headers/kernel-headers.mk

@@ -0,0 +1,19 @@
+################################################################################
+#
+# kernel-headers
+#
+################################################################################
+
+# This package is used to provide Linux kernel headers for
+# building out-of-tree kernel modules.
+KERNEL_HEADERS_DEPENDENCIES = linux
+
+define KERNEL_HEADERS_CONFIGURE_CMDS
+	cp $(KERNEL_HEADERS_PKGDIR)/kernel_headers_install.sh $(@D)
+endef
+
+define KERNEL_HEADERS_INSTALL_TARGET_CMDS
+	$(@D)/kernel_headers_install.sh $(TARGET_DIR) $(LINUX_VERSION_PROBED) $(LINUX_DIR)
+endef
+
+$(eval $(generic-package))

package/kernel-headers/kernel_headers_install.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+deploy_kernel_headers_6_6 () {
+	topdir=$(pwd)
+	pdir=$1
+	version=$2
+	srctree=$3
+	rm -rf $pdir/usr/src/linux-headers-$version
+	rm -rf $pdir/lib/modules/$version/build
+	cd ${srctree}
+	srctree=${srctree} SRCARCH=arm64 KCONFIG_CONFIG=.config \
+	${srctree}/scripts/package/install-extmod-build $pdir/usr/src/linux-headers-$version
+	# used to build dma
+	cp drivers/dma/dmaengine.h $1/usr/include
+	cp drivers/dma/virt-dma.h $1/usr/include
+	find $pdir/usr/src/linux-headers-$version -name "*.o" -type f -exec rm -rf {} \;
+	cd $topdir
+	cp -r board/phytium/common/linux-6.6/scripts $pdir/usr/src/linux-headers-$version
+	mkdir -p $pdir/lib/modules/$version/
+	ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
+}
+
+# $1: $(TARGET_DIR)
+# $2: $(LINUX_VERSION_PROBED)
+# $3: $(LINUX_DIR)
+if [[ $2 = 6.6* ]];then
+	deploy_kernel_headers_6_6 $1 $2 $3
+fi

system/Config.in

@@ -83,6 +83,7 @@ config BR2_TARGET_GENERIC_HOSTNAME
 
 config BR2_ROOTFS_LINUX_HEADERS
         bool "custom kernel headers"
+        select BR2_PACKAGE_KERNEL_HEADERS
         help
           Custom kernel headers for Ubuntu or Debian.