blob: b3bbd3b27684585f9f1713634dd32eec7198155f [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 ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else d.getVar("KERNEL_PACKAGE_NAME") }"
7
Andrew Geissler595f6302022-01-24 19:11:47 +00008PROVIDES += "virtual/kernel"
Andrew Geissler475cb722020-07-10 16:00:51 -05009DEPENDS += "virtual/${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 ?= ""
Andrew Geissler7e0e3c02022-02-25 20:34:39 +000033INITRAMFS_DEPLOY_DIR_IMAGE ?= "${DEPLOY_DIR_IMAGE}"
34INITRAMFS_MULTICONFIG ?= ""
Patrick Williamsc124f4f2015-09-15 14:41:29 -050035
He Zhefe76b1e2016-05-25 04:47:16 -040036# KERNEL_VERSION is extracted from source code. It is evaluated as
37# None for the first parsing, since the code has not been fetched.
38# After the code is fetched, it will be evaluated as real version
39# number and cause kernel to be rebuilt. To avoid this, make
40# KERNEL_VERSION_NAME and KERNEL_VERSION_PKG_NAME depend on
41# LINUX_VERSION which is a constant.
Brad Bishop6e60e8b2018-02-01 10:27:11 -050042KERNEL_VERSION_NAME = "${@d.getVar('KERNEL_VERSION') or ""}"
He Zhefe76b1e2016-05-25 04:47:16 -040043KERNEL_VERSION_NAME[vardepvalue] = "${LINUX_VERSION}"
Brad Bishop6e60e8b2018-02-01 10:27:11 -050044KERNEL_VERSION_PKG_NAME = "${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
He Zhefe76b1e2016-05-25 04:47:16 -040045KERNEL_VERSION_PKG_NAME[vardepvalue] = "${LINUX_VERSION}"
46
Patrick Williamsc124f4f2015-09-15 14:41:29 -050047python __anonymous () {
Brad Bishop316dfdd2018-06-25 12:45:53 -040048 pn = d.getVar("PN")
49 kpn = d.getVar("KERNEL_PACKAGE_NAME")
50
51 # XXX Remove this after bug 11905 is resolved
Patrick Williams213cb262021-08-07 19:21:33 -050052 # FILES:${KERNEL_PACKAGE_NAME}-dev doesn't expand correctly
Brad Bishop316dfdd2018-06-25 12:45:53 -040053 if kpn == pn:
54 bb.warn("Some packages (E.g. *-dev) might be missing due to "
55 "bug 11905 (variable KERNEL_PACKAGE_NAME == PN)")
56
57 # The default kernel recipe builds in a shared location defined by
58 # bitbake/distro confs: STAGING_KERNEL_DIR and STAGING_KERNEL_BUILDDIR.
59 # Set these variables to directories under ${WORKDIR} in alternate
60 # kernel recipes (I.e. where KERNEL_PACKAGE_NAME != kernel) so that they
61 # may build in parallel with the default kernel without clobbering.
62 if kpn != "kernel":
63 workdir = d.getVar("WORKDIR")
64 sourceDir = os.path.join(workdir, 'kernel-source')
65 artifactsDir = os.path.join(workdir, 'kernel-build-artifacts')
66 d.setVar("STAGING_KERNEL_DIR", sourceDir)
67 d.setVar("STAGING_KERNEL_BUILDDIR", artifactsDir)
Patrick Williamsc124f4f2015-09-15 14:41:29 -050068
He Zhefe76b1e2016-05-25 04:47:16 -040069 # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into KERNEL_IMAGETYPES
Brad Bishop6e60e8b2018-02-01 10:27:11 -050070 type = d.getVar('KERNEL_IMAGETYPE') or ""
71 alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or ""
72 types = d.getVar('KERNEL_IMAGETYPES') or ""
He Zhefe76b1e2016-05-25 04:47:16 -040073 if type not in types.split():
74 types = (type + ' ' + types).strip()
75 if alttype not in types.split():
76 types = (alttype + ' ' + types).strip()
77 d.setVar('KERNEL_IMAGETYPES', types)
Patrick Williamsc124f4f2015-09-15 14:41:29 -050078
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080079 # KERNEL_IMAGETYPES may contain a mixture of image types supported directly
80 # by the kernel build system and types which are created by post-processing
81 # the output of the kernel build system (e.g. compressing vmlinux ->
Andrew Geissler595f6302022-01-24 19:11:47 +000082 # vmlinux.gz in kernel_do_transform_kernel()).
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080083 # KERNEL_IMAGETYPE_FOR_MAKE should contain only image types supported
84 # directly by the kernel build system.
85 if not d.getVar('KERNEL_IMAGETYPE_FOR_MAKE'):
86 typeformake = set()
87 for type in types.split():
88 if type == 'vmlinux.gz':
89 type = 'vmlinux'
90 typeformake.add(type)
91
92 d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', ' '.join(sorted(typeformake)))
93
94 kname = d.getVar('KERNEL_PACKAGE_NAME') or "kernel"
95 imagedest = d.getVar('KERNEL_IMAGEDEST')
He Zhefe76b1e2016-05-25 04:47:16 -040096
Brad Bishop37a0e4d2017-12-04 01:01:44 -050097 for type in types.split():
Andrew Geissler5f350902021-07-23 13:09:54 -040098 if bb.data.inherits_class('nopackages', d):
99 continue
He Zhefe76b1e2016-05-25 04:47:16 -0400100 typelower = type.lower()
Brad Bishop316dfdd2018-06-25 12:45:53 -0400101 d.appendVar('PACKAGES', ' %s-image-%s' % (kname, typelower))
Patrick Williams213cb262021-08-07 19:21:33 -0500102 d.setVar('FILES:' + kname + '-image-' + typelower, '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME}' + ' /' + imagedest + '/' + type)
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500103 d.appendVar('RDEPENDS:%s-image' % kname, ' %s-image-%s (= ${EXTENDPKGV})' % (kname, typelower))
104 splitmods = d.getVar("KERNEL_SPLIT_MODULES")
105 if splitmods != '1':
106 d.appendVar('RDEPENDS:%s-image' % kname, ' %s-modules (= ${EXTENDPKGV})' % kname)
107 d.appendVar('RDEPENDS:%s-image-%s' % (kname, typelower), ' %s-modules-${KERNEL_VERSION_PKG_NAME} (= ${EXTENDPKGV})' % kname)
108 d.setVar('PKG:%s-modules' % kname, '%s-modules-${KERNEL_VERSION_PKG_NAME}' % kname)
109 d.appendVar('RPROVIDES:%s-modules' % kname, '%s-modules-${KERNEL_VERSION_PKG_NAME}' % kname)
110
Patrick Williams213cb262021-08-07 19:21:33 -0500111 d.setVar('PKG:%s-image-%s' % (kname,typelower), '%s-image-%s-${KERNEL_VERSION_PKG_NAME}' % (kname, typelower))
112 d.setVar('ALLOW_EMPTY:%s-image-%s' % (kname, typelower), '1')
113 d.setVar('pkg_postinst:%s-image-%s' % (kname,typelower), """set +e
Andrew Geissler475cb722020-07-10 16:00:51 -0500114if [ -n "$D" ]; then
115 ln -sf %s-${KERNEL_VERSION} $D/${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
116else
117 ln -sf %s-${KERNEL_VERSION} ${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
118 if [ $? -ne 0 ]; then
119 echo "Filesystem on ${KERNEL_IMAGEDEST}/ doesn't support symlinks, falling back to copied image (%s)."
120 install -m 0644 ${KERNEL_IMAGEDEST}/%s-${KERNEL_VERSION} ${KERNEL_IMAGEDEST}/%s
121 fi
122fi
123set -e
124""" % (type, type, type, type, type, type, type))
Patrick Williams213cb262021-08-07 19:21:33 -0500125 d.setVar('pkg_postrm:%s-image-%s' % (kname,typelower), """set +e
Andrew Geissler475cb722020-07-10 16:00:51 -0500126if [ -f "${KERNEL_IMAGEDEST}/%s" -o -L "${KERNEL_IMAGEDEST}/%s" ]; then
127 rm -f ${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
128fi
129set -e
130""" % (type, type, type))
131
He Zhefe76b1e2016-05-25 04:47:16 -0400132
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500133 image = d.getVar('INITRAMFS_IMAGE')
Brad Bishop79641f22019-09-10 07:20:22 -0400134 # If the INTIRAMFS_IMAGE is set but the INITRAMFS_IMAGE_BUNDLE is set to 0,
135 # the do_bundle_initramfs does nothing, but the INITRAMFS_IMAGE is built
136 # standalone for use by wic and other tools.
137 if image:
Andrew Geissler7e0e3c02022-02-25 20:34:39 +0000138 if d.getVar('INITRAMFS_MULTICONFIG'):
139 d.appendVarFlag('do_bundle_initramfs', 'mcdepends', ' mc::${INITRAMFS_MULTICONFIG}:${INITRAMFS_IMAGE}:do_image_complete')
140 else:
141 d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
Andrew Geissler595f6302022-01-24 19:11:47 +0000142 if image and bb.utils.to_boolean(d.getVar('INITRAMFS_IMAGE_BUNDLE')):
143 bb.build.addtask('do_transform_bundled_initramfs', 'do_deploy', 'do_bundle_initramfs', d)
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500144
145 # NOTE: setting INITRAMFS_TASK is for backward compatibility
146 # The preferred method is to set INITRAMFS_IMAGE, because
147 # this INITRAMFS_TASK has circular dependency problems
148 # if the initramfs requires kernel modules
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500149 image_task = d.getVar('INITRAMFS_TASK')
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500150 if image_task:
151 d.appendVarFlag('do_configure', 'depends', ' ${INITRAMFS_TASK}')
152}
153
154# Here we pull in all various kernel image types which we support.
155#
156# In case you're wondering why kernel.bbclass inherits the other image
157# types instead of the other way around, the reason for that is to
158# maintain compatibility with various currently existing meta-layers.
159# By pulling in the various kernel image types here, we retain the
160# original behavior of kernel.bbclass, so no meta-layers should get
161# broken.
162#
163# KERNEL_CLASSES by default pulls in kernel-uimage.bbclass, since this
164# used to be the default behavior when only uImage was supported. This
165# variable can be appended by users who implement support for new kernel
166# image types.
167
168KERNEL_CLASSES ?= " kernel-uimage "
169inherit ${KERNEL_CLASSES}
170
171# Old style kernels may set ${S} = ${WORKDIR}/git for example
172# We need to move these over to STAGING_KERNEL_DIR. We can't just
173# create the symlink in advance as the git fetcher can't cope with
174# the symlink.
175do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
176do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
Brad Bishopc342db32019-05-15 21:57:59 -0400177python do_symlink_kernsrc () {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500178 s = d.getVar("S")
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500179 if s[-1] == '/':
180 # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail
181 s=s[:-1]
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500182 kernsrc = d.getVar("STAGING_KERNEL_DIR")
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500183 if s != kernsrc:
184 bb.utils.mkdirhier(kernsrc)
185 bb.utils.remove(kernsrc, recurse=True)
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500186 if d.getVar("EXTERNALSRC"):
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500187 # With EXTERNALSRC S will not be wiped so we can symlink to it
188 os.symlink(s, kernsrc)
189 else:
190 import shutil
191 shutil.move(s, kernsrc)
192 os.symlink(kernsrc, s)
193}
Andrew Geisslerc3d88e42020-10-02 09:45:00 -0500194# do_patch is normally ordered before do_configure, but
195# externalsrc.bbclass deletes do_patch, breaking the dependency of
196# do_configure on do_symlink_kernsrc.
197addtask symlink_kernsrc before do_patch do_configure after do_unpack
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500198
199inherit kernel-arch deploy
200
Brad Bishop316dfdd2018-06-25 12:45:53 -0400201PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-module-.*"
202PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-image-.*"
203PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-firmware-.*"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500204
205export OS = "${TARGET_OS}"
206export CROSS_COMPILE = "${TARGET_PREFIX}"
Brad Bishop316dfdd2018-06-25 12:45:53 -0400207export KBUILD_BUILD_VERSION = "1"
Brad Bishop977dc1a2019-02-06 16:01:43 -0500208export KBUILD_BUILD_USER ?= "oe-user"
209export KBUILD_BUILD_HOST ?= "oe-host"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500210
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500211KERNEL_RELEASE ?= "${KERNEL_VERSION}"
212
He Zhefe76b1e2016-05-25 04:47:16 -0400213# The directory where built kernel lies in the kernel tree
214KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot"
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800215KERNEL_IMAGEDEST ?= "boot"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500216
217#
218# configuration
219#
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500220export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE") or "ttyS0"}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500221
222KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"
223
224KERNEL_LOCALVERSION ?= ""
225
226# kernels are generally machine specific
227PACKAGE_ARCH = "${MACHINE_ARCH}"
228
229# U-Boot support
230UBOOT_ENTRYPOINT ?= "20008000"
231UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
232
233# Some Linux kernel configurations need additional parameters on the command line
234KERNEL_EXTRA_ARGS ?= ""
235
Andrew Geisslereff27472021-10-29 15:35:00 -0500236EXTRA_OEMAKE = " HOSTCC="${BUILD_CC}" HOSTCFLAGS="${BUILD_CFLAGS}" HOSTLDFLAGS="${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}""
Andrew Geissler9aee5002022-03-30 16:27:02 +0000237EXTRA_OEMAKE += " HOSTCXX="${BUILD_CXX}" HOSTCXXFLAGS="${BUILD_CXXFLAGS}" PAHOLE=false"
Andrew Geissler635e0e42020-08-21 15:58:33 -0500238
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500239KERNEL_ALT_IMAGETYPE ??= ""
240
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500241copy_initramfs() {
242 echo "Copying initramfs into ./usr ..."
243 # In case the directory is not created yet from the first pass compile:
244 mkdir -p ${B}/usr
245 # Find and use the first initramfs image archive type we find
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500246 rm -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500247 for img in cpio cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz cpio.zst; do
Andrew Geissler7e0e3c02022-02-25 20:34:39 +0000248 if [ -e "${INITRAMFS_DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img" ]; then
249 cp ${INITRAMFS_DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500250 case $img in
251 *gz)
252 echo "gzip decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500253 gunzip -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500254 break
255 ;;
256 *lz4)
257 echo "lz4 decompressing image"
Andrew Geissler475cb722020-07-10 16:00:51 -0500258 lz4 -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500259 break
260 ;;
261 *lzo)
262 echo "lzo decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500263 lzop -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500264 break
265 ;;
266 *lzma)
267 echo "lzma decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500268 lzma -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500269 break
270 ;;
271 *xz)
272 echo "xz decompressing image"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500273 xz -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500274 break
275 ;;
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500276 *zst)
277 echo "zst decompressing image"
278 zstd -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
279 break
280 ;;
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500281 esac
Brad Bishopf8caae32019-03-25 13:13:56 -0400282 break
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500283 fi
284 done
Brad Bishopf8caae32019-03-25 13:13:56 -0400285 # Verify that the above loop found a initramfs, fail otherwise
Andrew Geissler7e0e3c02022-02-25 20:34:39 +0000286 [ -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio ] && echo "Finished copy of initramfs into ./usr" || die "Could not find any ${INITRAMFS_DEPLOY_DIR_IMAGE}/${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 -0500287}
288
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500289do_bundle_initramfs () {
290 if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
291 echo "Creating a kernel image with a bundled initramfs..."
292 copy_initramfs
He Zhefe76b1e2016-05-25 04:47:16 -0400293 # Backing up kernel image relies on its type(regular file or symbolic link)
294 tmp_path=""
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800295 for imageType in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
296 if [ -h ${KERNEL_OUTPUT_DIR}/$imageType ] ; then
297 linkpath=`readlink -n ${KERNEL_OUTPUT_DIR}/$imageType`
298 realpath=`readlink -fn ${KERNEL_OUTPUT_DIR}/$imageType`
He Zhefe76b1e2016-05-25 04:47:16 -0400299 mv -f $realpath $realpath.bak
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800300 tmp_path=$tmp_path" "$imageType"#"$linkpath"#"$realpath
301 elif [ -f ${KERNEL_OUTPUT_DIR}/$imageType ]; then
302 mv -f ${KERNEL_OUTPUT_DIR}/$imageType ${KERNEL_OUTPUT_DIR}/$imageType.bak
303 tmp_path=$tmp_path" "$imageType"##"
He Zhefe76b1e2016-05-25 04:47:16 -0400304 fi
305 done
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500306 use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500307 kernel_do_compile
He Zhefe76b1e2016-05-25 04:47:16 -0400308 # Restoring kernel image
309 for tp in $tmp_path ; do
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800310 imageType=`echo $tp|cut -d "#" -f 1`
He Zhefe76b1e2016-05-25 04:47:16 -0400311 linkpath=`echo $tp|cut -d "#" -f 2`
312 realpath=`echo $tp|cut -d "#" -f 3`
313 if [ -n "$realpath" ]; then
314 mv -f $realpath $realpath.initramfs
315 mv -f $realpath.bak $realpath
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800316 ln -sf $linkpath.initramfs ${B}/${KERNEL_OUTPUT_DIR}/$imageType.initramfs
He Zhefe76b1e2016-05-25 04:47:16 -0400317 else
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800318 mv -f ${KERNEL_OUTPUT_DIR}/$imageType ${KERNEL_OUTPUT_DIR}/$imageType.initramfs
319 mv -f ${KERNEL_OUTPUT_DIR}/$imageType.bak ${KERNEL_OUTPUT_DIR}/$imageType
He Zhefe76b1e2016-05-25 04:47:16 -0400320 fi
321 done
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500322 fi
323}
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600324do_bundle_initramfs[dirs] = "${B}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500325
Andrew Geissler595f6302022-01-24 19:11:47 +0000326kernel_do_transform_bundled_initramfs() {
327 # vmlinux.gz is not built by kernel
328 if (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux\.gz"); then
329 gzip -9cn < ${KERNEL_OUTPUT_DIR}/vmlinux.initramfs > ${KERNEL_OUTPUT_DIR}/vmlinux.gz.initramfs
330 fi
331}
332do_transform_bundled_initramfs[dirs] = "${B}"
333
Patrick Williams213cb262021-08-07 19:21:33 -0500334python do_devshell:prepend () {
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500335 os.environ["LDFLAGS"] = ''
336}
337
338addtask bundle_initramfs after do_install before do_deploy
339
Andrew Geisslereff27472021-10-29 15:35:00 -0500340KERNEL_DEBUG_TIMESTAMPS ??= "0"
341
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500342kernel_do_compile() {
343 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
Andrew Geissler595f6302022-01-24 19:11:47 +0000344
345 # setup native pkg-config variables (kconfig scripts call pkg-config directly, cannot generically be overriden to pkg-config-native)
346 export PKG_CONFIG_DIR="${STAGING_DIR_NATIVE}${libdir_native}/pkgconfig"
347 export PKG_CONFIG_PATH="$PKG_CONFIG_DIR:${STAGING_DATADIR_NATIVE}/pkgconfig"
348 export PKG_CONFIG_LIBDIR="$PKG_CONFIG_DIR"
349 export PKG_CONFIG_SYSROOT_DIR=""
350
Andrew Geisslereff27472021-10-29 15:35:00 -0500351 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500352 # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
353 # be set....
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800354 if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
Andrew Geissler82c905d2020-04-13 13:39:40 -0500355 # The source directory is not necessarily a git repository, so we
356 # specify the git-dir to ensure that git does not query a
357 # repository in any parent directory.
358 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 -0500359 fi
360
361 ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH`
362 export KBUILD_BUILD_TIMESTAMP="$ts"
363 export KCONFIG_NOTIMESTAMP=1
364 bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
365 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500366 # The $use_alternate_initrd is only set from
367 # do_bundle_initramfs() This variable is specifically for the
368 # case where we are making a second pass at the kernel
369 # compilation and we want to force the kernel build to use a
370 # different initramfs image. The way to do that in the kernel
371 # is to specify:
372 # make ...args... CONFIG_INITRAMFS_SOURCE=some_other_initramfs.cpio
373 if [ "$use_alternate_initrd" = "" ] && [ "${INITRAMFS_TASK}" != "" ] ; then
374 # The old style way of copying an prebuilt image and building it
375 # is turned on via INTIRAMFS_TASK != ""
376 copy_initramfs
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500377 use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500378 fi
He Zhefe76b1e2016-05-25 04:47:16 -0400379 for typeformake in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
Patrick Williams93c203f2021-10-06 16:15:23 -0500380 oe_runmake ${typeformake} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
He Zhefe76b1e2016-05-25 04:47:16 -0400381 done
Andrew Geissler595f6302022-01-24 19:11:47 +0000382}
383
384kernel_do_transform_kernel() {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500385 # vmlinux.gz is not built by kernel
386 if (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux\.gz"); then
387 mkdir -p "${KERNEL_OUTPUT_DIR}"
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500388 gzip -9cn < ${B}/vmlinux > "${KERNEL_OUTPUT_DIR}/vmlinux.gz"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500389 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500390}
Andrew Geissler595f6302022-01-24 19:11:47 +0000391do_transform_kernel[dirs] = "${B}"
392addtask transform_kernel after do_compile before do_install
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500393
394do_compile_kernelmodules() {
395 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
Andrew Geisslereff27472021-10-29 15:35:00 -0500396 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
Andrew Geissler1e34c2d2020-05-29 16:02:59 -0500397 # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
398 # be set....
399 if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
400 # The source directory is not necessarily a git repository, so we
401 # specify the git-dir to ensure that git does not query a
402 # repository in any parent directory.
403 SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"`
404 fi
405
406 ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH`
407 export KBUILD_BUILD_TIMESTAMP="$ts"
408 export KCONFIG_NOTIMESTAMP=1
409 bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
410 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500411 if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
Patrick Williams93c203f2021-10-06 16:15:23 -0500412 oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500413
414 # Module.symvers gets updated during the
415 # building of the kernel modules. We need to
416 # update this in the shared workdir since some
417 # external kernel modules has a dependency on
418 # other kernel modules and will look at this
419 # file to do symbol lookups
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600420 cp ${B}/Module.symvers ${STAGING_KERNEL_BUILDDIR}/
Andrew Geissler6ce62a22020-11-30 19:58:47 -0600421 # 5.10+ kernels have module.lds that we need to copy for external module builds
422 if [ -e "${B}/scripts/module.lds" ]; then
423 install -Dm 0644 ${B}/scripts/module.lds ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds
424 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500425 else
426 bbnote "no modules to compile"
427 fi
428}
429addtask compile_kernelmodules after do_compile before do_strip
430
431kernel_do_install() {
432 #
433 # First install the modules
434 #
435 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
436 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500437 oe_runmake DEPMOD=echo MODLIB=${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION} INSTALL_FW_PATH=${D}${nonarch_base_libdir}/firmware modules_install
438 rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
439 rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/source"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500440 # If the kernel/ directory is empty remove it to prevent QA issues
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500441 rmdir --ignore-fail-on-non-empty "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/kernel"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500442 else
443 bbnote "no modules to install"
444 fi
445
446 #
447 # Install various kernel output (zImage, map file, config, module support files)
448 #
449 install -d ${D}/${KERNEL_IMAGEDEST}
450 install -d ${D}/boot
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600451
452 #
453 # When including an initramfs bundle inside a FIT image, the fitImage is created after the install task
454 # by do_assemble_fitimage_initramfs.
455 # This happens after the generation of the initramfs bundle (done by do_bundle_initramfs).
456 # So, at the level of the install task we should not try to install the fitImage. fitImage is still not
457 # generated yet.
458 # After the generation of the fitImage, the deploy task copies the fitImage from the build directory to
459 # the deploy folder.
460 #
461
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800462 for imageType in ${KERNEL_IMAGETYPES} ; do
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600463 if [ $imageType != "fitImage" ] || [ "${INITRAMFS_IMAGE_BUNDLE}" != "1" ] ; then
464 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType ${D}/${KERNEL_IMAGEDEST}/$imageType-${KERNEL_VERSION}
465 fi
He Zhefe76b1e2016-05-25 04:47:16 -0400466 done
Andrew Geisslerd1e89492021-02-12 15:35:20 -0600467
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500468 install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
469 install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
470 install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
471 [ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
472 install -d ${D}${sysconfdir}/modules-load.d
473 install -d ${D}${sysconfdir}/modprobe.d
474}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500475
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600476# Must be ran no earlier than after do_kernel_checkout or else Makefile won't be in ${S}/Makefile
477do_kernel_version_sanity_check() {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500478 if [ "x${KERNEL_VERSION_SANITY_SKIP}" = "x1" ]; then
479 exit 0
480 fi
481
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600482 # The Makefile determines the kernel version shown at runtime
483 # Don't use KERNEL_VERSION because the headers it grabs the version from aren't generated until do_compile
484 VERSION=$(grep "^VERSION =" ${S}/Makefile | sed s/.*=\ *//)
485 PATCHLEVEL=$(grep "^PATCHLEVEL =" ${S}/Makefile | sed s/.*=\ *//)
486 SUBLEVEL=$(grep "^SUBLEVEL =" ${S}/Makefile | sed s/.*=\ *//)
487 EXTRAVERSION=$(grep "^EXTRAVERSION =" ${S}/Makefile | sed s/.*=\ *//)
488
489 # Build a string for regex and a plain version string
490 reg="^${VERSION}\.${PATCHLEVEL}"
491 vers="${VERSION}.${PATCHLEVEL}"
492 if [ -n "${SUBLEVEL}" ]; then
493 # Ignoring a SUBLEVEL of zero is fine
494 if [ "${SUBLEVEL}" = "0" ]; then
495 reg="${reg}(\.${SUBLEVEL})?"
496 else
497 reg="${reg}\.${SUBLEVEL}"
498 vers="${vers}.${SUBLEVEL}"
499 fi
500 fi
501 vers="${vers}${EXTRAVERSION}"
502 reg="${reg}${EXTRAVERSION}"
503
504 if [ -z `echo ${PV} | grep -E "${reg}"` ]; then
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500505 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 -0600506 fi
507 exit 0
508}
509
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500510addtask shared_workdir after do_compile before do_compile_kernelmodules
511addtask shared_workdir_setscene
512
513do_shared_workdir_setscene () {
514 exit 1
515}
516
517emit_depmod_pkgdata() {
518 # Stash data for depmod
Brad Bishop316dfdd2018-06-25 12:45:53 -0400519 install -d ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/
520 echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/${KERNEL_PACKAGE_NAME}-abiversion
521 cp ${B}/System.map ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/System.map-${KERNEL_VERSION}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500522}
523
524PACKAGEFUNCS += "emit_depmod_pkgdata"
525
Brad Bishop316dfdd2018-06-25 12:45:53 -0400526do_shared_workdir[cleandirs] += " ${STAGING_KERNEL_BUILDDIR}"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500527do_shared_workdir () {
528 cd ${B}
529
530 kerneldir=${STAGING_KERNEL_BUILDDIR}
531 install -d $kerneldir
532
533 #
534 # Store the kernel version in sysroots for module-base.bbclass
535 #
536
Brad Bishop316dfdd2018-06-25 12:45:53 -0400537 echo "${KERNEL_VERSION}" > $kerneldir/${KERNEL_PACKAGE_NAME}-abiversion
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500538
539 # Copy files required for module builds
540 cp System.map $kerneldir/System.map-${KERNEL_VERSION}
Andrew Geissler475cb722020-07-10 16:00:51 -0500541 [ -e Module.symvers ] && cp Module.symvers $kerneldir/
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500542 cp .config $kerneldir/
543 mkdir -p $kerneldir/include/config
544 cp include/config/kernel.release $kerneldir/include/config/kernel.release
Brad Bishop08902b02019-08-20 09:16:51 -0400545 if [ -e certs/signing_key.x509 ]; then
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600546 # The signing_key.* files are stored in the certs/ dir in
547 # newer Linux kernels
548 mkdir -p $kerneldir/certs
549 cp certs/signing_key.* $kerneldir/certs/
550 elif [ -e signing_key.priv ]; then
551 cp signing_key.* $kerneldir/
552 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500553
554 # We can also copy over all the generated files and avoid special cases
555 # like version.h, but we've opted to keep this small until file creep starts
556 # to happen
557 if [ -e include/linux/version.h ]; then
558 mkdir -p $kerneldir/include/linux
559 cp include/linux/version.h $kerneldir/include/linux/version.h
560 fi
561
562 # As of Linux kernel version 3.0.1, the clean target removes
563 # arch/powerpc/lib/crtsavres.o which is present in
564 # KBUILD_LDFLAGS_MODULE, making it required to build external modules.
565 if [ ${ARCH} = "powerpc" ]; then
Brad Bishop316dfdd2018-06-25 12:45:53 -0400566 if [ -e arch/powerpc/lib/crtsavres.o ]; then
567 mkdir -p $kerneldir/arch/powerpc/lib/
568 cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
569 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500570 fi
571
572 if [ -d include/generated ]; then
573 mkdir -p $kerneldir/include/generated/
574 cp -fR include/generated/* $kerneldir/include/generated/
575 fi
576
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500577 if [ -d arch/${ARCH}/include/generated ]; then
578 mkdir -p $kerneldir/arch/${ARCH}/include/generated/
579 cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500580 fi
Brad Bishop19323692019-04-05 15:28:33 -0400581
582 if (grep -q -i -e '^CONFIG_UNWINDER_ORC=y$' $kerneldir/.config); then
583 # With CONFIG_UNWINDER_ORC (the default in 4.14), objtool is required for
584 # out-of-tree modules to be able to generate object files.
585 if [ -x tools/objtool/objtool ]; then
586 mkdir -p ${kerneldir}/tools/objtool
587 cp tools/objtool/objtool ${kerneldir}/tools/objtool/
588 fi
589 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500590}
591
592# We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware
593sysroot_stage_all () {
594 :
595}
596
Andrew Geissler82c905d2020-04-13 13:39:40 -0500597KERNEL_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 -0500598
He Zhefe76b1e2016-05-25 04:47:16 -0400599python check_oldest_kernel() {
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500600 oldest_kernel = d.getVar('OLDEST_KERNEL')
601 kernel_version = d.getVar('KERNEL_VERSION')
602 tclibc = d.getVar('TCLIBC')
He Zhefe76b1e2016-05-25 04:47:16 -0400603 if tclibc == 'glibc':
604 kernel_version = kernel_version.split('-', 1)[0]
605 if oldest_kernel and kernel_version:
606 if bb.utils.vercmp_string(kernel_version, oldest_kernel) < 0:
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500607 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 -0400608}
609
610check_oldest_kernel[vardepsexclude] += "OLDEST_KERNEL KERNEL_VERSION"
611do_configure[prefuncs] += "check_oldest_kernel"
612
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500613kernel_do_configure() {
614 # fixes extra + in /lib/modules/2.6.37+
615 # $ scripts/setlocalversion . => +
616 # $ make kernelversion => 2.6.37
617 # $ make kernelrelease => 2.6.37+
618 touch ${B}/.scmversion ${S}/.scmversion
619
620 if [ "${S}" != "${B}" ] && [ -f "${S}/.config" ] && [ ! -f "${B}/.config" ]; then
621 mv "${S}/.config" "${B}/.config"
622 fi
623
624 # Copy defconfig to .config if .config does not exist. This allows
Patrick Williams213cb262021-08-07 19:21:33 -0500625 # recipes to manage the .config themselves in do_configure:prepend().
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500626 if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
627 cp "${WORKDIR}/defconfig" "${B}/.config"
628 fi
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500629
630 ${KERNEL_CONFIG_COMMAND}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500631}
632
633do_savedefconfig() {
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600634 bbplain "Saving defconfig to:\n${B}/defconfig"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500635 oe_runmake -C ${B} savedefconfig
636}
637do_savedefconfig[nostamp] = "1"
638addtask savedefconfig after do_configure
639
640inherit cml1
641
Andrew Geissler9aee5002022-03-30 16:27:02 +0000642KCONFIG_CONFIG_COMMAND:append = " PAHOLE=false LD='${KERNEL_LD}' HOSTLDFLAGS='${BUILD_LDFLAGS}'"
Brad Bishop316dfdd2018-06-25 12:45:53 -0400643
Andrew Geissler595f6302022-01-24 19:11:47 +0000644EXPORT_FUNCTIONS do_compile do_transform_kernel do_transform_bundled_initramfs do_install do_configure
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500645
646# kernel-base becomes kernel-${KERNEL_VERSION}
He Zhefe76b1e2016-05-25 04:47:16 -0400647# kernel-image becomes kernel-image-${KERNEL_VERSION}
Andrew Geissler595f6302022-01-24 19:11:47 +0000648PACKAGES = "${KERNEL_PACKAGE_NAME} ${KERNEL_PACKAGE_NAME}-base ${KERNEL_PACKAGE_NAME}-vmlinux ${KERNEL_PACKAGE_NAME}-image ${KERNEL_PACKAGE_NAME}-dev ${KERNEL_PACKAGE_NAME}-modules ${KERNEL_PACKAGE_NAME}-dbg"
Patrick Williams213cb262021-08-07 19:21:33 -0500649FILES:${PN} = ""
650FILES:${KERNEL_PACKAGE_NAME}-base = "${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"
651FILES:${KERNEL_PACKAGE_NAME}-image = ""
652FILES:${KERNEL_PACKAGE_NAME}-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
653FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}"
654FILES:${KERNEL_PACKAGE_NAME}-modules = ""
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500655RDEPENDS:${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base (= ${EXTENDPKGV})"
He Zhefe76b1e2016-05-25 04:47:16 -0400656# Allow machines to override this dependency if kernel image files are
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500657# not wanted in images as standard
Andrew Geissler7e0e3c02022-02-25 20:34:39 +0000658RRECOMMENDS:${KERNEL_PACKAGE_NAME}-base ?= "${KERNEL_PACKAGE_NAME}-image (= ${EXTENDPKGV})"
Patrick Williams213cb262021-08-07 19:21:33 -0500659PKG:${KERNEL_PACKAGE_NAME}-image = "${KERNEL_PACKAGE_NAME}-image-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
Andrew Geisslerd159c7f2021-09-02 21:05:58 -0500660RDEPENDS:${KERNEL_PACKAGE_NAME}-image += "${@oe.utils.conditional('KERNEL_IMAGETYPE', 'vmlinux', '${KERNEL_PACKAGE_NAME}-vmlinux (= ${EXTENDPKGV})', '', d)}"
Patrick Williams213cb262021-08-07 19:21:33 -0500661PKG:${KERNEL_PACKAGE_NAME}-base = "${KERNEL_PACKAGE_NAME}-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
662RPROVIDES:${KERNEL_PACKAGE_NAME}-base += "${KERNEL_PACKAGE_NAME}-${KERNEL_VERSION}"
663ALLOW_EMPTY:${KERNEL_PACKAGE_NAME} = "1"
664ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-base = "1"
665ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-image = "1"
666ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-modules = "1"
667DESCRIPTION:${KERNEL_PACKAGE_NAME}-modules = "Kernel modules meta package"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500668
Patrick Williams213cb262021-08-07 19:21:33 -0500669pkg_postinst:${KERNEL_PACKAGE_NAME}-base () {
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500670 if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
671 mkdir -p $D/lib/modules/${KERNEL_VERSION}
672 fi
673 if [ -n "$D" ]; then
674 depmodwrapper -a -b $D ${KERNEL_VERSION}
675 else
676 depmod -a ${KERNEL_VERSION}
677 fi
678}
679
Patrick Williams213cb262021-08-07 19:21:33 -0500680PACKAGESPLITFUNCS:prepend = "split_kernel_packages "
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500681
682python split_kernel_packages () {
Brad Bishop19323692019-04-05 15:28:33 -0400683 do_split_packages(d, root='${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 -0500684}
685
686# Many scripts want to look in arch/$arch/boot for the bootable
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600687# image. This poses a problem for vmlinux and vmlinuz based
688# booting. This task arranges to have vmlinux and vmlinuz appear
689# in the normalized directory location.
690do_kernel_link_images() {
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500691 if [ ! -d "${B}/arch/${ARCH}/boot" ]; then
692 mkdir ${B}/arch/${ARCH}/boot
693 fi
694 cd ${B}/arch/${ARCH}/boot
695 ln -sf ../../../vmlinux
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600696 if [ -f ../../../vmlinuz ]; then
697 ln -sf ../../../vmlinuz
698 fi
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500699 if [ -f ../../../vmlinuz.bin ]; then
700 ln -sf ../../../vmlinuz.bin
701 fi
Andrew Geissler82c905d2020-04-13 13:39:40 -0500702 if [ -f ../../../vmlinux.64 ]; then
703 ln -sf ../../../vmlinux.64
704 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500705}
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500706addtask kernel_link_images after do_compile before do_strip
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500707
Andrew Geissler595f6302022-01-24 19:11:47 +0000708python do_strip() {
709 import shutil
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500710
Andrew Geissler595f6302022-01-24 19:11:47 +0000711 strip = d.getVar('STRIP')
712 extra_sections = d.getVar('KERNEL_IMAGE_STRIP_EXTRA_SECTIONS')
713 kernel_image = d.getVar('B') + "/" + d.getVar('KERNEL_OUTPUT_DIR') + "/vmlinux"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500714
Andrew Geissler595f6302022-01-24 19:11:47 +0000715 if (extra_sections and kernel_image.find('boot/vmlinux') != -1):
716 kernel_image_stripped = kernel_image + ".stripped"
717 shutil.copy2(kernel_image, kernel_image_stripped)
718 oe.package.runstrip((kernel_image_stripped, 8, strip, extra_sections))
719 bb.debug(1, "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections: " + \
720 extra_sections)
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500721}
722do_strip[dirs] = "${B}"
723
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500724addtask strip before do_sizecheck after do_kernel_link_images
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500725
726# Support checking the kernel size since some kernels need to reside in partitions
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500727# with a fixed length or there is a limit in transferring the kernel to memory.
728# If more than one image type is enabled, warn on any that don't fit but only fail
729# if none fit.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500730do_sizecheck() {
731 if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
732 invalid=`echo ${KERNEL_IMAGE_MAXSIZE} | sed 's/[0-9]//g'`
733 if [ -n "$invalid" ]; then
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500734 die "Invalid KERNEL_IMAGE_MAXSIZE: ${KERNEL_IMAGE_MAXSIZE}, should be an integer (The unit is Kbytes)"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500735 fi
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500736 at_least_one_fits=
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800737 for imageType in ${KERNEL_IMAGETYPES} ; do
738 size=`du -ks ${B}/${KERNEL_OUTPUT_DIR}/$imageType | awk '{print $1}'`
Andrew Geissler09036742021-06-25 14:25:14 -0500739 if [ $size -gt ${KERNEL_IMAGE_MAXSIZE} ]; then
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800740 bbwarn "This kernel $imageType (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device."
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500741 else
742 at_least_one_fits=y
He Zhefe76b1e2016-05-25 04:47:16 -0400743 fi
744 done
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500745 if [ -z "$at_least_one_fits" ]; then
746 die "All kernel images are too big for your device. Please reduce the size of the kernel by making more of it modular."
747 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500748 fi
749}
750do_sizecheck[dirs] = "${B}"
751
752addtask sizecheck before do_install after do_strip
753
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800754inherit kernel-artifact-names
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500755
756kernel_do_deploy() {
Brad Bishop316dfdd2018-06-25 12:45:53 -0400757 deployDir="${DEPLOYDIR}"
758 if [ -n "${KERNEL_DEPLOYSUBDIR}" ]; then
759 deployDir="${DEPLOYDIR}/${KERNEL_DEPLOYSUBDIR}"
760 mkdir "$deployDir"
761 fi
762
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800763 for imageType in ${KERNEL_IMAGETYPES} ; do
Andrew Geisslerc9f78652020-09-18 14:11:35 -0500764 baseName=$imageType-${KERNEL_IMAGE_NAME}
Andrew Geissler595f6302022-01-24 19:11:47 +0000765
766 if [ -s ${KERNEL_OUTPUT_DIR}/$imageType.stripped ] ; then
767 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType.stripped $deployDir/$baseName${KERNEL_IMAGE_BIN_EXT}
768 else
769 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType $deployDir/$baseName${KERNEL_IMAGE_BIN_EXT}
770 fi
771 if [ -n "${KERNEL_IMAGE_LINK_NAME}" ] ; then
772 ln -sf $baseName${KERNEL_IMAGE_BIN_EXT} $deployDir/$imageType-${KERNEL_IMAGE_LINK_NAME}${KERNEL_IMAGE_BIN_EXT}
773 fi
774 if [ "${KERNEL_IMAGETYPE_SYMLINK}" = "1" ] ; then
775 ln -sf $baseName${KERNEL_IMAGE_BIN_EXT} $deployDir/$imageType
776 fi
He Zhefe76b1e2016-05-25 04:47:16 -0400777 done
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800778
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500779 if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800780 mkdir -p ${D}${root_prefix}/lib
Andrew Geisslerc182c622020-05-15 14:13:32 -0500781 if [ -n "${SOURCE_DATE_EPOCH}" ]; then
782 TAR_ARGS="--sort=name --clamp-mtime --mtime=@${SOURCE_DATE_EPOCH}"
783 else
784 TAR_ARGS=""
785 fi
Andrew Geissler1e34c2d2020-05-29 16:02:59 -0500786 TAR_ARGS="$TAR_ARGS --owner=0 --group=0"
Andrew Geisslerc182c622020-05-15 14:13:32 -0500787 tar $TAR_ARGS -cv -C ${D}${root_prefix} lib | gzip -9n > $deployDir/modules-${MODULE_TARBALL_NAME}.tgz
788
Andrew Geissler595f6302022-01-24 19:11:47 +0000789 if [ -n "${MODULE_TARBALL_LINK_NAME}" ] ; then
790 ln -sf modules-${MODULE_TARBALL_NAME}.tgz $deployDir/modules-${MODULE_TARBALL_LINK_NAME}.tgz
791 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500792 fi
793
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800794 if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
Andrew Geissler595f6302022-01-24 19:11:47 +0000795 for imageType in ${KERNEL_IMAGETYPES} ; do
Brad Bishop977dc1a2019-02-06 16:01:43 -0500796 if [ "$imageType" = "fitImage" ] ; then
797 continue
798 fi
Andrew Geisslerc9f78652020-09-18 14:11:35 -0500799 initramfsBaseName=$imageType-${INITRAMFS_NAME}
Andrew Geissler595f6302022-01-24 19:11:47 +0000800 install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType.initramfs $deployDir/$initramfsBaseName${KERNEL_IMAGE_BIN_EXT}
801 if [ -n "${INITRAMFS_LINK_NAME}" ] ; then
802 ln -sf $initramfsBaseName${KERNEL_IMAGE_BIN_EXT} $deployDir/$imageType-${INITRAMFS_LINK_NAME}${KERNEL_IMAGE_BIN_EXT}
803 fi
Brad Bishop1a4b7ee2018-12-16 17:11:34 -0800804 done
805 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500806}
Andrew Geisslerc9f78652020-09-18 14:11:35 -0500807
808# We deploy to filenames that include PKGV and PKGR, read the saved data to
809# ensure we get the right values for both
810do_deploy[prefuncs] += "read_subpackage_metadata"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500811
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500812addtask deploy after do_populate_sysroot do_packagedata
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500813
814EXPORT_FUNCTIONS do_deploy
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500815
816# Add using Device Tree support
817inherit kernel-devicetree