blob: 7b3c6bee962429097aae706cf62585cb7e4cf5ae [file] [log] [blame]
Patrick Williamsc124f4f2015-09-15 14:41:29 -05001inherit linux-kernel-base kernel-module-split
2
Andrew Geisslerd1e89492021-02-12 15:35:20 -06003COMPATIBLE_HOST = ".*-linux"
4
Brad Bishop316dfdd2018-06-25 12:45:53 -04005KERNEL_PACKAGE_NAME ??= "kernel"
6KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else d.getVar("KERNEL_PACKAGE_NAME") }"
7
8PROVIDES += "${@ "virtual/kernel" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else "" }"
Andrew Geissler475cb722020-07-10 16:00:51 -05009DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native bison-native"
10DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lzo", "lzop-native", "", d)}"
11DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lz4", "lz4-native", "", d)}"
Andrew Geisslerd159c7f2021-09-02 21:05:58 -050012DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.zst", "zstd-native", "", d)}"
Brad Bishopd7bf8c12018-02-25 22:55:05 -050013PACKAGE_WRITE_DEPS += "depmodwrapper-cross"
Brad Bishop6e60e8b2018-02-01 10:27:11 -050014
Andrew Geissler475cb722020-07-10 16:00:51 -050015do_deploy[depends] += "depmodwrapper-cross:do_populate_sysroot gzip-native:do_populate_sysroot"
Brad Bishop15ae2502019-06-18 21:44:24 -040016do_clean[depends] += "make-mod-scripts:do_clean"
Brad Bishop6e60e8b2018-02-01 10:27:11 -050017
18CVE_PRODUCT ?= "linux_kernel"
Patrick Williamsc124f4f2015-09-15 14:41:29 -050019
20S = "${STAGING_KERNEL_DIR}"
21B = "${WORKDIR}/build"
22KBUILD_OUTPUT = "${B}"
23OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT"
24
25# we include gcc above, we dont need virtual/libc
26INHIBIT_DEFAULT_DEPS = "1"
27
28KERNEL_IMAGETYPE ?= "zImage"
29INITRAMFS_IMAGE ?= ""
Brad Bishop6e60e8b2018-02-01 10:27:11 -050030INITRAMFS_IMAGE_NAME ?= "${@['${INITRAMFS_IMAGE}-${MACHINE}', ''][d.getVar('INITRAMFS_IMAGE') == '']}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -050031INITRAMFS_TASK ?= ""
32INITRAMFS_IMAGE_BUNDLE ?= ""
33
He Zhefe76b1e2016-05-25 04:47:16 -040034# KERNEL_VERSION is extracted from source code. It is evaluated as
35# None for the first parsing, since the code has not been fetched.
36# After the code is fetched, it will be evaluated as real version
37# number and cause kernel to be rebuilt. To avoid this, make
38# KERNEL_VERSION_NAME and KERNEL_VERSION_PKG_NAME depend on
39# LINUX_VERSION which is a constant.
Brad Bishop6e60e8b2018-02-01 10:27:11 -050040KERNEL_VERSION_NAME = "${@d.getVar('KERNEL_VERSION') or ""}"
He Zhefe76b1e2016-05-25 04:47:16 -040041KERNEL_VERSION_NAME[vardepvalue] = "${LINUX_VERSION}"
Brad Bishop6e60e8b2018-02-01 10:27:11 -050042KERNEL_VERSION_PKG_NAME = "${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
He Zhefe76b1e2016-05-25 04:47:16 -040043KERNEL_VERSION_PKG_NAME[vardepvalue] = "${LINUX_VERSION}"
44
Patrick Williamsc124f4f2015-09-15 14:41:29 -050045python __anonymous () {
Brad Bishop316dfdd2018-06-25 12:45:53 -040046 pn = d.getVar("PN")
47 kpn = d.getVar("KERNEL_PACKAGE_NAME")
48
49 # XXX Remove this after bug 11905 is resolved
Patrick Williams213cb262021-08-07 19:21:33 -050050 # FILES:${KERNEL_PACKAGE_NAME}-dev doesn't expand correctly
Brad Bishop316dfdd2018-06-25 12:45:53 -040051 if kpn == pn:
52 bb.warn("Some packages (E.g. *-dev) might be missing due to "
53 "bug 11905 (variable KERNEL_PACKAGE_NAME == PN)")
54
55 # The default kernel recipe builds in a shared location defined by
56 # bitbake/distro confs: STAGING_KERNEL_DIR and STAGING_KERNEL_BUILDDIR.
57 # Set these variables to directories under ${WORKDIR} in alternate
58 # kernel recipes (I.e. where KERNEL_PACKAGE_NAME != kernel) so that they
59 # may build in parallel with the default kernel without clobbering.
60 if kpn != "kernel":
61 workdir = d.getVar("WORKDIR")
62 sourceDir = os.path.join(workdir, 'kernel-source')
63 artifactsDir = os.path.join(workdir, 'kernel-build-artifacts')
64 d.setVar("STAGING_KERNEL_DIR", sourceDir)
65 d.setVar("STAGING_KERNEL_BUILDDIR", artifactsDir)
Patrick Williamsc124f4f2015-09-15 14:41:29 -050066
He Zhefe76b1e2016-05-25 04:47:16 -040067 # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into KERNEL_IMAGETYPES
Brad Bishop6e60e8b2018-02-01 10:27:11 -050068 type = d.getVar('KERNEL_IMAGETYPE') or ""
69 alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or ""
70 types = d.getVar('KERNEL_IMAGETYPES') or ""
He Zhefe76b1e2016-05-25 04:47:16 -040071 if type not in types.split():
72 types = (type + ' ' + types).strip()
73 if alttype not in types.split():
74 types = (alttype + ' ' + types).strip()
75 d.setVar('KERNEL_IMAGETYPES', types)
Patrick Williamsc124f4f2015-09-15 14:41:29 -050076
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080077 # KERNEL_IMAGETYPES may contain a mixture of image types supported directly
78 # by the kernel build system and types which are created by post-processing
79 # the output of the kernel build system (e.g. compressing vmlinux ->
80 # vmlinux.gz in kernel_do_compile()).
81 # KERNEL_IMAGETYPE_FOR_MAKE should contain only image types supported
82 # directly by the kernel build system.
83 if not d.getVar('KERNEL_IMAGETYPE_FOR_MAKE'):
84 typeformake = set()
85 for type in types.split():
86 if type == 'vmlinux.gz':
87 type = 'vmlinux'
88 typeformake.add(type)
89
90 d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', ' '.join(sorted(typeformake)))
91
92 kname = d.getVar('KERNEL_PACKAGE_NAME') or "kernel"
93 imagedest = d.getVar('KERNEL_IMAGEDEST')
He Zhefe76b1e2016-05-25 04:47:16 -040094
Brad Bishop37a0e4d2017-12-04 01:01:44 -050095 for type in types.split():
Andrew Geissler5f350902021-07-23 13:09:54 -040096 if bb.data.inherits_class('nopackages', d):
97 continue
He Zhefe76b1e2016-05-25 04:47:16 -040098 typelower = type.lower()
Brad Bishop316dfdd2018-06-25 12:45:53 -040099 d.appendVar('PACKAGES', ' %s-image-%s' % (kname, typelower))
Patrick Williams213cb262021-08-07 19:21:33 -0500100 d.setVar('FILES:' + kname + '-image-' + typelower, '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME}' + ' /' + imagedest + '/' + type)
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500101 d.appendVar('RDEPENDS:%s-image' % kname, ' %s-image-%s (= ${EXTENDPKGV})' % (kname, typelower))
102 splitmods = d.getVar("KERNEL_SPLIT_MODULES")
103 if splitmods != '1':
104 d.appendVar('RDEPENDS:%s-image' % kname, ' %s-modules (= ${EXTENDPKGV})' % kname)
105 d.appendVar('RDEPENDS:%s-image-%s' % (kname, typelower), ' %s-modules-${KERNEL_VERSION_PKG_NAME} (= ${EXTENDPKGV})' % kname)
106 d.setVar('PKG:%s-modules' % kname, '%s-modules-${KERNEL_VERSION_PKG_NAME}' % kname)
107 d.appendVar('RPROVIDES:%s-modules' % kname, '%s-modules-${KERNEL_VERSION_PKG_NAME}' % kname)
108
Patrick Williams213cb262021-08-07 19:21:33 -0500109 d.setVar('PKG:%s-image-%s' % (kname,typelower), '%s-image-%s-${KERNEL_VERSION_PKG_NAME}' % (kname, typelower))
110 d.setVar('ALLOW_EMPTY:%s-image-%s' % (kname, typelower), '1')
111 d.setVar('pkg_postinst:%s-image-%s' % (kname,typelower), """set +e
Andrew Geissler475cb722020-07-10 16:00:51 -0500112if [ -n "$D" ]; then
113 ln -sf %s-${KERNEL_VERSION} $D/${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
114else
115 ln -sf %s-${KERNEL_VERSION} ${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
116 if [ $? -ne 0 ]; then
117 echo "Filesystem on ${KERNEL_IMAGEDEST}/ doesn't support symlinks, falling back to copied image (%s)."
118 install -m 0644 ${KERNEL_IMAGEDEST}/%s-${KERNEL_VERSION} ${KERNEL_IMAGEDEST}/%s
119 fi
120fi
121set -e
122""" % (type, type, type, type, type, type, type))
Patrick Williams213cb262021-08-07 19:21:33 -0500123 d.setVar('pkg_postrm:%s-image-%s' % (kname,typelower), """set +e
Andrew Geissler475cb722020-07-10 16:00:51 -0500124if [ -f "${KERNEL_IMAGEDEST}/%s" -o -L "${KERNEL_IMAGEDEST}/%s" ]; then
125 rm -f ${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
126fi
127set -e
128""" % (type, type, type))
129
He Zhefe76b1e2016-05-25 04:47:16 -0400130
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500131 image = d.getVar('INITRAMFS_IMAGE')
Brad Bishop79641f22019-09-10 07:20:22 -0400132 # If the INTIRAMFS_IMAGE is set but the INITRAMFS_IMAGE_BUNDLE is set to 0,
133 # the do_bundle_initramfs does nothing, but the INITRAMFS_IMAGE is built
134 # standalone for use by wic and other tools.
135 if image:
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500136 d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500137
138 # NOTE: setting INITRAMFS_TASK is for backward compatibility
139 # The preferred method is to set INITRAMFS_IMAGE, because
140 # this INITRAMFS_TASK has circular dependency problems
141 # if the initramfs requires kernel modules
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500142 image_task = d.getVar('INITRAMFS_TASK')
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500143 if image_task:
144 d.appendVarFlag('do_configure', 'depends', ' ${INITRAMFS_TASK}')
145}
146
147# Here we pull in all various kernel image types which we support.
148#
149# In case you're wondering why kernel.bbclass inherits the other image
150# types instead of the other way around, the reason for that is to
151# maintain compatibility with various currently existing meta-layers.
152# By pulling in the various kernel image types here, we retain the
153# original behavior of kernel.bbclass, so no meta-layers should get
154# broken.
155#
156# KERNEL_CLASSES by default pulls in kernel-uimage.bbclass, since this
157# used to be the default behavior when only uImage was supported. This
158# variable can be appended by users who implement support for new kernel
159# image types.
160
161KERNEL_CLASSES ?= " kernel-uimage "
162inherit ${KERNEL_CLASSES}
163
164# Old style kernels may set ${S} = ${WORKDIR}/git for example
165# We need to move these over to STAGING_KERNEL_DIR. We can't just
166# create the symlink in advance as the git fetcher can't cope with
167# the symlink.
168do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
169do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
Brad Bishopc342db32019-05-15 21:57:59 -0400170python do_symlink_kernsrc () {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500171 s = d.getVar("S")
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500172 if s[-1] == '/':
173 # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail
174 s=s[:-1]
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500175 kernsrc = d.getVar("STAGING_KERNEL_DIR")
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500176 if s != kernsrc:
177 bb.utils.mkdirhier(kernsrc)
178 bb.utils.remove(kernsrc, recurse=True)
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500179 if d.getVar("EXTERNALSRC"):
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500180 # With EXTERNALSRC S will not be wiped so we can symlink to it
181 os.symlink(s, kernsrc)
182 else:
183 import shutil
184 shutil.move(s, kernsrc)
185 os.symlink(kernsrc, s)
186}
Andrew Geisslerc3d88e42020-10-02 09:45:00 -0500187# do_patch is normally ordered before do_configure, but
188# externalsrc.bbclass deletes do_patch, breaking the dependency of
189# do_configure on do_symlink_kernsrc.
190addtask symlink_kernsrc before do_patch do_configure after do_unpack
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500191
192inherit kernel-arch deploy
193
Brad Bishop316dfdd2018-06-25 12:45:53 -0400194PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-module-.*"
195PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-image-.*"
196PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-firmware-.*"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500197
198export OS = "${TARGET_OS}"
199export CROSS_COMPILE = "${TARGET_PREFIX}"
Brad Bishop316dfdd2018-06-25 12:45:53 -0400200export KBUILD_BUILD_VERSION = "1"
Brad Bishop977dc1a2019-02-06 16:01:43 -0500201export KBUILD_BUILD_USER ?= "oe-user"
202export KBUILD_BUILD_HOST ?= "oe-host"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500203
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500204KERNEL_RELEASE ?= "${KERNEL_VERSION}"
205
He Zhefe76b1e2016-05-25 04:47:16 -0400206# The directory where built kernel lies in the kernel tree
207KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot"
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800208KERNEL_IMAGEDEST ?= "boot"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500209
210#
211# configuration
212#
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500213export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE") or "ttyS0"}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500214
215KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"
216
217KERNEL_LOCALVERSION ?= ""
218
219# kernels are generally machine specific
220PACKAGE_ARCH = "${MACHINE_ARCH}"
221
222# U-Boot support
223UBOOT_ENTRYPOINT ?= "20008000"
224UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
225
226# Some Linux kernel configurations need additional parameters on the command line
227KERNEL_EXTRA_ARGS ?= ""
228
Andrew Geisslereff27472021-10-29 15:35:00 -0500229EXTRA_OEMAKE = " HOSTCC="${BUILD_CC}" HOSTCFLAGS="${BUILD_CFLAGS}" HOSTLDFLAGS="${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}""
230EXTRA_OEMAKE += " HOSTCXX="${BUILD_CXX}" HOSTCXXFLAGS="${BUILD_CXXFLAGS}""
Andrew Geissler635e0e42020-08-21 15:58:33 -0500231
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500232KERNEL_ALT_IMAGETYPE ??= ""
233
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500234copy_initramfs() {
235 echo "Copying initramfs into ./usr ..."
236 # In case the directory is not created yet from the first pass compile:
237 mkdir -p ${B}/usr
238 # Find and use the first initramfs image archive type we find
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500239 rm -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500240 for img in cpio cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz cpio.zst; do
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500241 if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img" ]; then
242 cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500243 case $img in
244 *gz)
245 echo "gzip decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500246 gunzip -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500247 break
248 ;;
249 *lz4)
250 echo "lz4 decompressing image"
Andrew Geissler475cb722020-07-10 16:00:51 -0500251 lz4 -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500252 break
253 ;;
254 *lzo)
255 echo "lzo decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500256 lzop -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500257 break
258 ;;
259 *lzma)
260 echo "lzma decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500261 lzma -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500262 break
263 ;;
264 *xz)
265 echo "xz decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500266 xz -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500267 break
268 ;;
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500269 *zst)
270 echo "zst decompressing image"
271 zstd -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
272 break
273 ;;
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500274 esac
Brad Bishopf8caae32019-03-25 13:13:56 -0400275 break
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500276 fi
277 done
Brad Bishopf8caae32019-03-25 13:13:56 -0400278 # Verify that the above loop found a initramfs, fail otherwise
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500279 [ -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio ] && echo "Finished copy of initramfs into ./usr" || die "Could not find any ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.cpio{.gz|.lz4|.lzo|.lzma|.xz|.zst) for bundling; INITRAMFS_IMAGE_NAME might be wrong."
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500280}
281
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500282do_bundle_initramfs () {
283 if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
284 echo "Creating a kernel image with a bundled initramfs..."
285 copy_initramfs
He Zhefe76b1e2016-05-25 04:47:16 -0400286 # Backing up kernel image relies on its type(regular file or symbolic link)
287 tmp_path=""
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800288 for imageType in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
289 if [ -h ${KERNEL_OUTPUT_DIR}/$imageType ] ; then
290 linkpath=`readlink -n ${KERNEL_OUTPUT_DIR}/$imageType`
291 realpath=`readlink -fn ${KERNEL_OUTPUT_DIR}/$imageType`
He Zhefe76b1e2016-05-25 04:47:16 -0400292 mv -f $realpath $realpath.bak
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800293 tmp_path=$tmp_path" "$imageType"#"$linkpath"#"$realpath
294 elif [ -f ${KERNEL_OUTPUT_DIR}/$imageType ]; then
295 mv -f ${KERNEL_OUTPUT_DIR}/$imageType ${KERNEL_OUTPUT_DIR}/$imageType.bak
296 tmp_path=$tmp_path" "$imageType"##"
He Zhefe76b1e2016-05-25 04:47:16 -0400297 fi
298 done
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500299 use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500300 kernel_do_compile
He Zhefe76b1e2016-05-25 04:47:16 -0400301 # Restoring kernel image
302 for tp in $tmp_path ; do
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800303 imageType=`echo $tp|cut -d "#" -f 1`
He Zhefe76b1e2016-05-25 04:47:16 -0400304 linkpath=`echo $tp|cut -d "#" -f 2`
305 realpath=`echo $tp|cut -d "#" -f 3`
306 if [ -n "$realpath" ]; then
307 mv -f $realpath $realpath.initramfs
308 mv -f $realpath.bak $realpath
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800309 ln -sf $linkpath.initramfs ${B}/${KERNEL_OUTPUT_DIR}/$imageType.initramfs
He Zhefe76b1e2016-05-25 04:47:16 -0400310 else
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800311 mv -f ${KERNEL_OUTPUT_DIR}/$imageType ${KERNEL_OUTPUT_DIR}/$imageType.initramfs
312 mv -f ${KERNEL_OUTPUT_DIR}/$imageType.bak ${KERNEL_OUTPUT_DIR}/$imageType
He Zhefe76b1e2016-05-25 04:47:16 -0400313 fi
314 done
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500315 fi
316}
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600317do_bundle_initramfs[dirs] = "${B}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500318
Patrick Williams213cb262021-08-07 19:21:33 -0500319python do_devshell:prepend () {
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500320 os.environ["LDFLAGS"] = ''
321}
322
323addtask bundle_initramfs after do_install before do_deploy
324
Andrew Geisslereff27472021-10-29 15:35:00 -0500325KERNEL_DEBUG_TIMESTAMPS ??= "0"
326
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500327kernel_do_compile() {
328 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
Andrew Geisslereff27472021-10-29 15:35:00 -0500329 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500330 # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
331 # be set....
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800332 if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
Andrew Geissler82c905d2020-04-13 13:39:40 -0500333 # The source directory is not necessarily a git repository, so we
334 # specify the git-dir to ensure that git does not query a
335 # repository in any parent directory.
336 SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"`
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500337 fi
338
339 ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH`
340 export KBUILD_BUILD_TIMESTAMP="$ts"
341 export KCONFIG_NOTIMESTAMP=1
342 bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
343 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500344 # The $use_alternate_initrd is only set from
345 # do_bundle_initramfs() This variable is specifically for the
346 # case where we are making a second pass at the kernel
347 # compilation and we want to force the kernel build to use a
348 # different initramfs image. The way to do that in the kernel
349 # is to specify:
350 # make ...args... CONFIG_INITRAMFS_SOURCE=some_other_initramfs.cpio
351 if [ "$use_alternate_initrd" = "" ] && [ "${INITRAMFS_TASK}" != "" ] ; then
352 # The old style way of copying an prebuilt image and building it
353 # is turned on via INTIRAMFS_TASK != ""
354 copy_initramfs
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500355 use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500356 fi
He Zhefe76b1e2016-05-25 04:47:16 -0400357 for typeformake in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
Patrick Williams93c203f2021-10-06 16:15:23 -0500358 oe_runmake ${typeformake} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
He Zhefe76b1e2016-05-25 04:47:16 -0400359 done
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500360 # vmlinux.gz is not built by kernel
361 if (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux\.gz"); then
362 mkdir -p "${KERNEL_OUTPUT_DIR}"
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500363 gzip -9cn < ${B}/vmlinux > "${KERNEL_OUTPUT_DIR}/vmlinux.gz"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500364 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500365}
366
367do_compile_kernelmodules() {
368 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
Andrew Geisslereff27472021-10-29 15:35:00 -0500369 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
Andrew Geissler1e34c2d2020-05-29 16:02:59 -0500370 # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
371 # be set....
372 if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
373 # The source directory is not necessarily a git repository, so we
374 # specify the git-dir to ensure that git does not query a
375 # repository in any parent directory.
376 SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"`
377 fi
378
379 ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH`
380 export KBUILD_BUILD_TIMESTAMP="$ts"
381 export KCONFIG_NOTIMESTAMP=1
382 bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
383 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500384 if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
Patrick Williams93c203f2021-10-06 16:15:23 -0500385 oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500386
387 # Module.symvers gets updated during the
388 # building of the kernel modules. We need to
389 # update this in the shared workdir since some
390 # external kernel modules has a dependency on
391 # other kernel modules and will look at this
392 # file to do symbol lookups
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600393 cp ${B}/Module.symvers ${STAGING_KERNEL_BUILDDIR}/
Andrew Geissler6ce62a22020-11-30 19:58:47 -0600394 # 5.10+ kernels have module.lds that we need to copy for external module builds
395 if [ -e "${B}/scripts/module.lds" ]; then
396 install -Dm 0644 ${B}/scripts/module.lds ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds
397 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500398 else
399 bbnote "no modules to compile"
400 fi
401}
402addtask compile_kernelmodules after do_compile before do_strip
403
404kernel_do_install() {
405 #
406 # First install the modules
407 #
408 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
409 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500410 oe_runmake DEPMOD=echo MODLIB=${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION} INSTALL_FW_PATH=${D}${nonarch_base_libdir}/firmware modules_install
411 rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
412 rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/source"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500413 # If the kernel/ directory is empty remove it to prevent QA issues
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500414 rmdir --ignore-fail-on-non-empty "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/kernel"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500415 else
416 bbnote "no modules to install"
417 fi
418
419 #
420 # Install various kernel output (zImage, map file, config, module support files)
421 #
422 install -d ${D}/${KERNEL_IMAGEDEST}
423 install -d ${D}/boot
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600424
425 #
426 # When including an initramfs bundle inside a FIT image, the fitImage is created after the install task
427 # by do_assemble_fitimage_initramfs.
428 # This happens after the generation of the initramfs bundle (done by do_bundle_initramfs).
429 # So, at the level of the install task we should not try to install the fitImage. fitImage is still not
430 # generated yet.
431 # After the generation of the fitImage, the deploy task copies the fitImage from the build directory to
432 # the deploy folder.
433 #
434
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800435 for imageType in ${KERNEL_IMAGETYPES} ; do
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600436 if [ $imageType != "fitImage" ] || [ "${INITRAMFS_IMAGE_BUNDLE}" != "1" ] ; then
437 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType ${D}/${KERNEL_IMAGEDEST}/$imageType-${KERNEL_VERSION}
438 fi
He Zhefe76b1e2016-05-25 04:47:16 -0400439 done
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600440
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500441 install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
442 install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
443 install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
444 [ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
445 install -d ${D}${sysconfdir}/modules-load.d
446 install -d ${D}${sysconfdir}/modprobe.d
447}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500448
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600449# Must be ran no earlier than after do_kernel_checkout or else Makefile won't be in ${S}/Makefile
450do_kernel_version_sanity_check() {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500451 if [ "x${KERNEL_VERSION_SANITY_SKIP}" = "x1" ]; then
452 exit 0
453 fi
454
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600455 # The Makefile determines the kernel version shown at runtime
456 # Don't use KERNEL_VERSION because the headers it grabs the version from aren't generated until do_compile
457 VERSION=$(grep "^VERSION =" ${S}/Makefile | sed s/.*=\ *//)
458 PATCHLEVEL=$(grep "^PATCHLEVEL =" ${S}/Makefile | sed s/.*=\ *//)
459 SUBLEVEL=$(grep "^SUBLEVEL =" ${S}/Makefile | sed s/.*=\ *//)
460 EXTRAVERSION=$(grep "^EXTRAVERSION =" ${S}/Makefile | sed s/.*=\ *//)
461
462 # Build a string for regex and a plain version string
463 reg="^${VERSION}\.${PATCHLEVEL}"
464 vers="${VERSION}.${PATCHLEVEL}"
465 if [ -n "${SUBLEVEL}" ]; then
466 # Ignoring a SUBLEVEL of zero is fine
467 if [ "${SUBLEVEL}" = "0" ]; then
468 reg="${reg}(\.${SUBLEVEL})?"
469 else
470 reg="${reg}\.${SUBLEVEL}"
471 vers="${vers}.${SUBLEVEL}"
472 fi
473 fi
474 vers="${vers}${EXTRAVERSION}"
475 reg="${reg}${EXTRAVERSION}"
476
477 if [ -z `echo ${PV} | grep -E "${reg}"` ]; then
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500478 bbfatal "Package Version (${PV}) does not match of kernel being built (${vers}). Please update the PV variable to match the kernel source or set KERNEL_VERSION_SANITY_SKIP=\"1\" in your recipe."
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600479 fi
480 exit 0
481}
482
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500483addtask shared_workdir after do_compile before do_compile_kernelmodules
484addtask shared_workdir_setscene
485
486do_shared_workdir_setscene () {
487 exit 1
488}
489
490emit_depmod_pkgdata() {
491 # Stash data for depmod
Brad Bishop316dfdd2018-06-25 12:45:53 -0400492 install -d ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/
493 echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/${KERNEL_PACKAGE_NAME}-abiversion
494 cp ${B}/System.map ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/System.map-${KERNEL_VERSION}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500495}
496
497PACKAGEFUNCS += "emit_depmod_pkgdata"
498
Brad Bishop316dfdd2018-06-25 12:45:53 -0400499do_shared_workdir[cleandirs] += " ${STAGING_KERNEL_BUILDDIR}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500500do_shared_workdir () {
501 cd ${B}
502
503 kerneldir=${STAGING_KERNEL_BUILDDIR}
504 install -d $kerneldir
505
506 #
507 # Store the kernel version in sysroots for module-base.bbclass
508 #
509
Brad Bishop316dfdd2018-06-25 12:45:53 -0400510 echo "${KERNEL_VERSION}" > $kerneldir/${KERNEL_PACKAGE_NAME}-abiversion
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500511
512 # Copy files required for module builds
513 cp System.map $kerneldir/System.map-${KERNEL_VERSION}
Andrew Geissler475cb722020-07-10 16:00:51 -0500514 [ -e Module.symvers ] && cp Module.symvers $kerneldir/
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500515 cp .config $kerneldir/
516 mkdir -p $kerneldir/include/config
517 cp include/config/kernel.release $kerneldir/include/config/kernel.release
Brad Bishop08902b02019-08-20 09:16:51 -0400518 if [ -e certs/signing_key.x509 ]; then
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600519 # The signing_key.* files are stored in the certs/ dir in
520 # newer Linux kernels
521 mkdir -p $kerneldir/certs
522 cp certs/signing_key.* $kerneldir/certs/
523 elif [ -e signing_key.priv ]; then
524 cp signing_key.* $kerneldir/
525 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500526
527 # We can also copy over all the generated files and avoid special cases
528 # like version.h, but we've opted to keep this small until file creep starts
529 # to happen
530 if [ -e include/linux/version.h ]; then
531 mkdir -p $kerneldir/include/linux
532 cp include/linux/version.h $kerneldir/include/linux/version.h
533 fi
534
535 # As of Linux kernel version 3.0.1, the clean target removes
536 # arch/powerpc/lib/crtsavres.o which is present in
537 # KBUILD_LDFLAGS_MODULE, making it required to build external modules.
538 if [ ${ARCH} = "powerpc" ]; then
Brad Bishop316dfdd2018-06-25 12:45:53 -0400539 if [ -e arch/powerpc/lib/crtsavres.o ]; then
540 mkdir -p $kerneldir/arch/powerpc/lib/
541 cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
542 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500543 fi
544
545 if [ -d include/generated ]; then
546 mkdir -p $kerneldir/include/generated/
547 cp -fR include/generated/* $kerneldir/include/generated/
548 fi
549
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500550 if [ -d arch/${ARCH}/include/generated ]; then
551 mkdir -p $kerneldir/arch/${ARCH}/include/generated/
552 cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500553 fi
Brad Bishop19323692019-04-05 15:28:33 -0400554
555 if (grep -q -i -e '^CONFIG_UNWINDER_ORC=y$' $kerneldir/.config); then
556 # With CONFIG_UNWINDER_ORC (the default in 4.14), objtool is required for
557 # out-of-tree modules to be able to generate object files.
558 if [ -x tools/objtool/objtool ]; then
559 mkdir -p ${kerneldir}/tools/objtool
560 cp tools/objtool/objtool ${kerneldir}/tools/objtool/
561 fi
562 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500563}
564
565# We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware
566sysroot_stage_all () {
567 :
568}
569
Andrew Geissler82c905d2020-04-13 13:39:40 -0500570KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} CC="${KERNEL_CC}" LD="${KERNEL_LD}" O=${B} olddefconfig || oe_runmake -C ${S} O=${B} CC="${KERNEL_CC}" LD="${KERNEL_LD}" oldnoconfig"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500571
He Zhefe76b1e2016-05-25 04:47:16 -0400572python check_oldest_kernel() {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500573 oldest_kernel = d.getVar('OLDEST_KERNEL')
574 kernel_version = d.getVar('KERNEL_VERSION')
575 tclibc = d.getVar('TCLIBC')
He Zhefe76b1e2016-05-25 04:47:16 -0400576 if tclibc == 'glibc':
577 kernel_version = kernel_version.split('-', 1)[0]
578 if oldest_kernel and kernel_version:
579 if bb.utils.vercmp_string(kernel_version, oldest_kernel) < 0:
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500580 bb.warn('%s: OLDEST_KERNEL is "%s" but the version of the kernel you are building is "%s" - therefore %s as built may not be compatible with this kernel. Either set OLDEST_KERNEL to an older version, or build a newer kernel.' % (d.getVar('PN'), oldest_kernel, kernel_version, tclibc))
He Zhefe76b1e2016-05-25 04:47:16 -0400581}
582
583check_oldest_kernel[vardepsexclude] += "OLDEST_KERNEL KERNEL_VERSION"
584do_configure[prefuncs] += "check_oldest_kernel"
585
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500586kernel_do_configure() {
587 # fixes extra + in /lib/modules/2.6.37+
588 # $ scripts/setlocalversion . => +
589 # $ make kernelversion => 2.6.37
590 # $ make kernelrelease => 2.6.37+
591 touch ${B}/.scmversion ${S}/.scmversion
592
593 if [ "${S}" != "${B}" ] && [ -f "${S}/.config" ] && [ ! -f "${B}/.config" ]; then
594 mv "${S}/.config" "${B}/.config"
595 fi
596
597 # Copy defconfig to .config if .config does not exist. This allows
Patrick Williams213cb262021-08-07 19:21:33 -0500598 # recipes to manage the .config themselves in do_configure:prepend().
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500599 if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
600 cp "${WORKDIR}/defconfig" "${B}/.config"
601 fi
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500602
603 ${KERNEL_CONFIG_COMMAND}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500604}
605
606do_savedefconfig() {
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600607 bbplain "Saving defconfig to:\n${B}/defconfig"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500608 oe_runmake -C ${B} savedefconfig
609}
610do_savedefconfig[nostamp] = "1"
611addtask savedefconfig after do_configure
612
613inherit cml1
614
Patrick Williams213cb262021-08-07 19:21:33 -0500615KCONFIG_CONFIG_COMMAND:append = " LD='${KERNEL_LD}' HOSTLDFLAGS='${BUILD_LDFLAGS}'"
Brad Bishop316dfdd2018-06-25 12:45:53 -0400616
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500617EXPORT_FUNCTIONS do_compile do_install do_configure
618
619# kernel-base becomes kernel-${KERNEL_VERSION}
He Zhefe76b1e2016-05-25 04:47:16 -0400620# kernel-image becomes kernel-image-${KERNEL_VERSION}
Brad Bishop316dfdd2018-06-25 12:45:53 -0400621PACKAGES = "${KERNEL_PACKAGE_NAME} ${KERNEL_PACKAGE_NAME}-base ${KERNEL_PACKAGE_NAME}-vmlinux ${KERNEL_PACKAGE_NAME}-image ${KERNEL_PACKAGE_NAME}-dev ${KERNEL_PACKAGE_NAME}-modules"
Patrick Williams213cb262021-08-07 19:21:33 -0500622FILES:${PN} = ""
623FILES:${KERNEL_PACKAGE_NAME}-base = "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin.modinfo"
624FILES:${KERNEL_PACKAGE_NAME}-image = ""
625FILES:${KERNEL_PACKAGE_NAME}-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
626FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}"
627FILES:${KERNEL_PACKAGE_NAME}-modules = ""
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500628RDEPENDS:${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base (= ${EXTENDPKGV})"
He Zhefe76b1e2016-05-25 04:47:16 -0400629# Allow machines to override this dependency if kernel image files are
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500630# not wanted in images as standard
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500631RDEPENDS:${KERNEL_PACKAGE_NAME}-base ?= "${KERNEL_PACKAGE_NAME}-image (= ${EXTENDPKGV})"
Patrick Williams213cb262021-08-07 19:21:33 -0500632PKG:${KERNEL_PACKAGE_NAME}-image = "${KERNEL_PACKAGE_NAME}-image-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500633RDEPENDS:${KERNEL_PACKAGE_NAME}-image += "${@oe.utils.conditional('KERNEL_IMAGETYPE', 'vmlinux', '${KERNEL_PACKAGE_NAME}-vmlinux (= ${EXTENDPKGV})', '', d)}"
Patrick Williams213cb262021-08-07 19:21:33 -0500634PKG:${KERNEL_PACKAGE_NAME}-base = "${KERNEL_PACKAGE_NAME}-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
635RPROVIDES:${KERNEL_PACKAGE_NAME}-base += "${KERNEL_PACKAGE_NAME}-${KERNEL_VERSION}"
636ALLOW_EMPTY:${KERNEL_PACKAGE_NAME} = "1"
637ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-base = "1"
638ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-image = "1"
639ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-modules = "1"
640DESCRIPTION:${KERNEL_PACKAGE_NAME}-modules = "Kernel modules meta package"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500641
Patrick Williams213cb262021-08-07 19:21:33 -0500642pkg_postinst:${KERNEL_PACKAGE_NAME}-base () {
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500643 if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
644 mkdir -p $D/lib/modules/${KERNEL_VERSION}
645 fi
646 if [ -n "$D" ]; then
647 depmodwrapper -a -b $D ${KERNEL_VERSION}
648 else
649 depmod -a ${KERNEL_VERSION}
650 fi
651}
652
Patrick Williams213cb262021-08-07 19:21:33 -0500653PACKAGESPLITFUNCS:prepend = "split_kernel_packages "
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500654
655python split_kernel_packages () {
Brad Bishop19323692019-04-05 15:28:33 -0400656 do_split_packages(d, root='${nonarch_base_libdir}/firmware', file_regex=r'^(.*)\.(bin|fw|cis|csp|dsp)$', output_pattern='${KERNEL_PACKAGE_NAME}-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500657}
658
659# Many scripts want to look in arch/$arch/boot for the bootable
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600660# image. This poses a problem for vmlinux and vmlinuz based
661# booting. This task arranges to have vmlinux and vmlinuz appear
662# in the normalized directory location.
663do_kernel_link_images() {
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500664 if [ ! -d "${B}/arch/${ARCH}/boot" ]; then
665 mkdir ${B}/arch/${ARCH}/boot
666 fi
667 cd ${B}/arch/${ARCH}/boot
668 ln -sf ../../../vmlinux
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600669 if [ -f ../../../vmlinuz ]; then
670 ln -sf ../../../vmlinuz
671 fi
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500672 if [ -f ../../../vmlinuz.bin ]; then
673 ln -sf ../../../vmlinuz.bin
674 fi
Andrew Geissler82c905d2020-04-13 13:39:40 -0500675 if [ -f ../../../vmlinux.64 ]; then
676 ln -sf ../../../vmlinux.64
677 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500678}
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500679addtask kernel_link_images after do_compile before do_strip
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500680
681do_strip() {
682 if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then
He Zhefe76b1e2016-05-25 04:47:16 -0400683 if ! (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux"); then
684 bbwarn "image type(s) will not be stripped (not supported): ${KERNEL_IMAGETYPES}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500685 return
686 fi
687
688 cd ${B}
He Zhefe76b1e2016-05-25 04:47:16 -0400689 headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT_DIR}/vmlinux | \
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500690 grep "^ \{1,\}\[[0-9 ]\{1,\}\] [^ ]" | \
691 sed "s/^ \{1,\}\[[0-9 ]\{1,\}\] //" | \
692 gawk '{print $1}'`
693
694 for str in ${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}; do {
Patrick Williamsf1e5d692016-03-30 15:21:19 -0500695 if ! (echo "$headers" | grep -q "^$str$"); then
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500696 bbwarn "Section not found: $str";
697 fi
698
He Zhefe76b1e2016-05-25 04:47:16 -0400699 "$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT_DIR}/vmlinux
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500700 }; done
701
702 bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \
703 "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}"
704 fi;
705}
706do_strip[dirs] = "${B}"
707
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500708addtask strip before do_sizecheck after do_kernel_link_images
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500709
710# Support checking the kernel size since some kernels need to reside in partitions
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500711# with a fixed length or there is a limit in transferring the kernel to memory.
712# If more than one image type is enabled, warn on any that don't fit but only fail
713# if none fit.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500714do_sizecheck() {
715 if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
716 invalid=`echo ${KERNEL_IMAGE_MAXSIZE} | sed 's/[0-9]//g'`
717 if [ -n "$invalid" ]; then
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500718 die "Invalid KERNEL_IMAGE_MAXSIZE: ${KERNEL_IMAGE_MAXSIZE}, should be an integer (The unit is Kbytes)"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500719 fi
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500720 at_least_one_fits=
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800721 for imageType in ${KERNEL_IMAGETYPES} ; do
722 size=`du -ks ${B}/${KERNEL_OUTPUT_DIR}/$imageType | awk '{print $1}'`
Andrew Geissler09036742021-06-25 14:25:14 -0500723 if [ $size -gt ${KERNEL_IMAGE_MAXSIZE} ]; then
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800724 bbwarn "This kernel $imageType (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device."
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500725 else
726 at_least_one_fits=y
He Zhefe76b1e2016-05-25 04:47:16 -0400727 fi
728 done
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500729 if [ -z "$at_least_one_fits" ]; then
730 die "All kernel images are too big for your device. Please reduce the size of the kernel by making more of it modular."
731 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500732 fi
733}
734do_sizecheck[dirs] = "${B}"
735
736addtask sizecheck before do_install after do_strip
737
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800738inherit kernel-artifact-names
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500739
740kernel_do_deploy() {
Brad Bishop316dfdd2018-06-25 12:45:53 -0400741 deployDir="${DEPLOYDIR}"
742 if [ -n "${KERNEL_DEPLOYSUBDIR}" ]; then
743 deployDir="${DEPLOYDIR}/${KERNEL_DEPLOYSUBDIR}"
744 mkdir "$deployDir"
745 fi
746
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800747 for imageType in ${KERNEL_IMAGETYPES} ; do
Andrew Geisslerc9f78652020-09-18 14:11:35 -0500748 baseName=$imageType-${KERNEL_IMAGE_NAME}
749 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType $deployDir/$baseName.bin
750 ln -sf $baseName.bin $deployDir/$imageType-${KERNEL_IMAGE_LINK_NAME}.bin
751 ln -sf $baseName.bin $deployDir/$imageType
He Zhefe76b1e2016-05-25 04:47:16 -0400752 done
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800753
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500754 if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800755 mkdir -p ${D}${root_prefix}/lib
Andrew Geisslerc182c622020-05-15 14:13:32 -0500756 if [ -n "${SOURCE_DATE_EPOCH}" ]; then
757 TAR_ARGS="--sort=name --clamp-mtime --mtime=@${SOURCE_DATE_EPOCH}"
758 else
759 TAR_ARGS=""
760 fi
Andrew Geissler1e34c2d2020-05-29 16:02:59 -0500761 TAR_ARGS="$TAR_ARGS --owner=0 --group=0"
Andrew Geisslerc182c622020-05-15 14:13:32 -0500762 tar $TAR_ARGS -cv -C ${D}${root_prefix} lib | gzip -9n > $deployDir/modules-${MODULE_TARBALL_NAME}.tgz
763
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800764 ln -sf modules-${MODULE_TARBALL_NAME}.tgz $deployDir/modules-${MODULE_TARBALL_LINK_NAME}.tgz
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500765 fi
766
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800767 if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600768 for imageType in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
Brad Bishop977dc1a2019-02-06 16:01:43 -0500769 if [ "$imageType" = "fitImage" ] ; then
770 continue
771 fi
Andrew Geisslerc9f78652020-09-18 14:11:35 -0500772 initramfsBaseName=$imageType-${INITRAMFS_NAME}
773 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType.initramfs $deployDir/$initramfsBaseName.bin
774 ln -sf $initramfsBaseName.bin $deployDir/$imageType-${INITRAMFS_LINK_NAME}.bin
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800775 done
776 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500777}
Andrew Geisslerc9f78652020-09-18 14:11:35 -0500778
779# We deploy to filenames that include PKGV and PKGR, read the saved data to
780# ensure we get the right values for both
781do_deploy[prefuncs] += "read_subpackage_metadata"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500782
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500783addtask deploy after do_populate_sysroot do_packagedata
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500784
785EXPORT_FUNCTIONS do_deploy
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500786
787# Add using Device Tree support
788inherit kernel-devicetree