383 lines
13 KiB
Plaintext
383 lines
13 KiB
Plaintext
# remove tasks that modify the source tree in case externalsrc is inherited
|
|
SRCTREECOVEREDTASKS += "do_kernel_link_vmlinux do_kernel_configme do_validate_branches do_kernel_configcheck do_kernel_checkout do_shared_workdir do_fetch do_unpack do_patch"
|
|
|
|
# returns local (absolute) path names for all valid patches in the
|
|
# src_uri
|
|
def find_patches(d):
|
|
patches = src_patches(d)
|
|
patch_list=[]
|
|
for p in patches:
|
|
_, _, local, _, _, _ = bb.fetch.decodeurl(p)
|
|
patch_list.append(local)
|
|
|
|
return patch_list
|
|
|
|
# returns all the elements from the src uri that are .scc files
|
|
def find_sccs(d):
|
|
sources=src_patches(d, True)
|
|
sources_list=[]
|
|
for s in sources:
|
|
base, ext = os.path.splitext(os.path.basename(s))
|
|
if ext and ext in [".scc", ".cfg"]:
|
|
sources_list.append(s)
|
|
elif base and base in 'defconfig':
|
|
sources_list.append(s)
|
|
|
|
return sources_list
|
|
|
|
# check the SRC_URI for "kmeta" type'd git repositories. Return the name of
|
|
# the repository as it will be found in WORKDIR
|
|
def find_kernel_feature_dirs(d):
|
|
feature_dirs=[]
|
|
fetch = bb.fetch2.Fetch([], d)
|
|
for url in fetch.urls:
|
|
urldata = fetch.ud[url]
|
|
parm = urldata.parm
|
|
if "type" in parm:
|
|
type = parm["type"]
|
|
if "destsuffix" in parm:
|
|
destdir = parm["destsuffix"]
|
|
if type == "kmeta":
|
|
feature_dirs.append(destdir)
|
|
|
|
return feature_dirs
|
|
|
|
# find the master/machine source branch. In the same way that the fetcher proceses
|
|
# git repositories in the SRC_URI we take the first repo found, first branch.
|
|
def get_machine_branch(d, default):
|
|
fetch = bb.fetch2.Fetch([], d)
|
|
for url in fetch.urls:
|
|
urldata = fetch.ud[url]
|
|
parm = urldata.parm
|
|
if "branch" in parm:
|
|
branches = urldata.parm.get("branch").split(',')
|
|
return branches[0]
|
|
|
|
return default
|
|
|
|
do_patch() {
|
|
cd ${S}
|
|
export KMETA=${KMETA}
|
|
|
|
# if kernel tools are available in-tree, they are preferred
|
|
# and are placed on the path before any external tools. Unless
|
|
# the external tools flag is set, in that case we do nothing.
|
|
if [ -f "${S}/scripts/util/configme" ]; then
|
|
if [ -z "${EXTERNAL_KERNEL_TOOLS}" ]; then
|
|
PATH=${S}/scripts/util:${PATH}
|
|
fi
|
|
fi
|
|
|
|
machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}"
|
|
machine_srcrev="${SRCREV_machine}"
|
|
if [ -z "${machine_srcrev}" ]; then
|
|
# fallback to SRCREV if a non machine_meta tree is being built
|
|
machine_srcrev="${SRCREV}"
|
|
fi
|
|
|
|
# if we have a defined/set meta branch we should not be generating
|
|
# any meta data. The passed branch has what we need.
|
|
if [ -n "${KMETA}" ]; then
|
|
createme_flags="--disable-meta-gen --meta ${KMETA}"
|
|
fi
|
|
|
|
createme ${createme_flags} ${ARCH} ${machine_branch}
|
|
if [ $? -ne 0 ]; then
|
|
bbfatal "Could not create ${machine_branch}"
|
|
fi
|
|
|
|
sccs="${@" ".join(find_sccs(d))}"
|
|
patches="${@" ".join(find_patches(d))}"
|
|
feat_dirs="${@" ".join(find_kernel_feature_dirs(d))}"
|
|
|
|
set +e
|
|
# add any explicitly referenced features onto the end of the feature
|
|
# list that is passed to the kernel build scripts.
|
|
if [ -n "${KERNEL_FEATURES}" ]; then
|
|
for feat in ${KERNEL_FEATURES}; do
|
|
addon_features="$addon_features --feature $feat"
|
|
done
|
|
fi
|
|
|
|
# check for feature directories/repos/branches that were part of the
|
|
# SRC_URI. If they were supplied, we convert them into include directives
|
|
# for the update part of the process
|
|
if [ -n "${feat_dirs}" ]; then
|
|
for f in ${feat_dirs}; do
|
|
if [ -d "${WORKDIR}/$f/meta" ]; then
|
|
includes="$includes -I${WORKDIR}/$f/meta"
|
|
elif [ -d "${WORKDIR}/$f" ]; then
|
|
includes="$includes -I${WORKDIR}/$f"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# updates or generates the target description
|
|
updateme ${updateme_flags} -DKDESC=${KMACHINE}:${LINUX_KERNEL_TYPE} \
|
|
${includes} ${addon_features} ${ARCH} ${KMACHINE} ${sccs} ${patches}
|
|
if [ $? -ne 0 ]; then
|
|
bbfatal "Could not update ${machine_branch}"
|
|
fi
|
|
|
|
# executes and modifies the source tree as required
|
|
patchme ${KMACHINE}
|
|
if [ $? -ne 0 ]; then
|
|
bberror "Could not apply patches for ${KMACHINE}."
|
|
bbfatal "Patch failures can be resolved in the devshell (bitbake -c devshell ${PN})"
|
|
fi
|
|
|
|
# check to see if the specified SRCREV is reachable from the final branch.
|
|
# if it wasn't something wrong has happened, and we should error.
|
|
if [ "${machine_srcrev}" != "AUTOINC" ]; then
|
|
if ! [ "$(git rev-parse --verify ${machine_srcrev}~0)" = "$(git merge-base ${machine_srcrev} HEAD)" ]; then
|
|
bberror "SRCREV ${machine_srcrev} was specified, but is not reachable"
|
|
bbfatal "Check the BSP description for incorrect branch selection, or other errors."
|
|
fi
|
|
fi
|
|
}
|
|
|
|
do_kernel_checkout() {
|
|
set +e
|
|
|
|
# A linux yocto SRC_URI should use the bareclone option. That
|
|
# ensures that all the branches are available in the WORKDIR version
|
|
# of the repository.
|
|
source_dir=`echo ${S} | sed 's%/$%%'`
|
|
source_workdir="${WORKDIR}/git"
|
|
if [ -d "${WORKDIR}/git/" ] && [ -d "${WORKDIR}/git/.git" ]; then
|
|
# case2: the repository is a non-bare clone
|
|
|
|
# if S is WORKDIR/git, then we shouldn't be moving or deleting the tree.
|
|
if [ "${source_dir}" != "${source_workdir}" ]; then
|
|
rm -rf ${S}
|
|
mv ${WORKDIR}/git ${S}
|
|
fi
|
|
cd ${S}
|
|
elif [ -d "${WORKDIR}/git/" ] && [ ! -d "${WORKDIR}/git/.git" ]; then
|
|
# case2: the repository is a bare clone
|
|
|
|
# if S is WORKDIR/git, then we shouldn't be moving or deleting the tree.
|
|
if [ "${source_dir}" != "${source_workdir}" ]; then
|
|
rm -rf ${S}
|
|
mkdir -p ${S}/.git
|
|
mv ${WORKDIR}/git/* ${S}/.git
|
|
rm -rf ${WORKDIR}/git/
|
|
fi
|
|
cd ${S}
|
|
git config core.bare false
|
|
else
|
|
# case 3: we have no git repository at all.
|
|
# To support low bandwidth options for building the kernel, we'll just
|
|
# convert the tree to a git repo and let the rest of the process work unchanged
|
|
|
|
# if ${S} hasn't been set to the proper subdirectory a default of "linux" is
|
|
# used, but we can't initialize that empty directory. So check it and throw a
|
|
# clear error
|
|
|
|
cd ${S}
|
|
if [ ! -f "Makefile" ]; then
|
|
bberror "S is not set to the linux source directory. Check "
|
|
bbfatal "the recipe and set S to the proper extracted subdirectory"
|
|
fi
|
|
rm -f .gitignore
|
|
git init
|
|
git add .
|
|
git commit -q -m "baseline commit: creating repo for ${PN}-${PV}"
|
|
git clean -d -f
|
|
fi
|
|
# end debare
|
|
|
|
# convert any remote branches to local tracking ones
|
|
for i in `git branch -a --no-color | grep remotes | grep -v HEAD`; do
|
|
b=`echo $i | cut -d' ' -f2 | sed 's%remotes/origin/%%'`;
|
|
git show-ref --quiet --verify -- "refs/heads/$b"
|
|
if [ $? -ne 0 ]; then
|
|
git branch $b $i > /dev/null
|
|
fi
|
|
done
|
|
|
|
# If KMETA is defined, the branch must exist, but a machine branch
|
|
# can be missing since it may be created later by the tools.
|
|
if [ -n "${KMETA}" ]; then
|
|
git show-ref --quiet --verify -- "refs/heads/${KMETA}"
|
|
if [ $? -eq 1 ]; then
|
|
bberror "The branch '${KMETA}' is required and was not found"
|
|
bberror "Ensure that the SRC_URI points to a valid linux-yocto"
|
|
bbfatal "kernel repository"
|
|
fi
|
|
fi
|
|
|
|
|
|
# Create a working tree copy of the kernel by checking out a branch
|
|
machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}"
|
|
git show-ref --quiet --verify -- "refs/heads/${machine_branch}"
|
|
if [ $? -ne 0 ]; then
|
|
machine_branch="master"
|
|
fi
|
|
|
|
# checkout and clobber any unimportant files
|
|
git checkout -f ${machine_branch}
|
|
}
|
|
do_kernel_checkout[dirs] = "${S}"
|
|
|
|
addtask kernel_checkout before do_patch after do_unpack
|
|
|
|
do_kernel_configme[dirs] += "${S} ${B}"
|
|
do_kernel_configme() {
|
|
bbnote "kernel configme"
|
|
export KMETA=${KMETA}
|
|
|
|
if [ -n "${KCONFIG_MODE}" ]; then
|
|
configmeflags=${KCONFIG_MODE}
|
|
else
|
|
# If a defconfig was passed, use =n as the baseline, which is achieved
|
|
# via --allnoconfig
|
|
if [ -f ${WORKDIR}/defconfig ]; then
|
|
configmeflags="--allnoconfig"
|
|
fi
|
|
fi
|
|
|
|
cd ${S}
|
|
PATH=${PATH}:${S}/scripts/util
|
|
configme ${configmeflags} --reconfig --output ${B} ${LINUX_KERNEL_TYPE} ${KMACHINE}
|
|
if [ $? -ne 0 ]; then
|
|
bbfatal "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}"
|
|
fi
|
|
|
|
echo "# Global settings from linux recipe" >> ${B}/.config
|
|
echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config
|
|
}
|
|
|
|
addtask kernel_configme after do_patch
|
|
|
|
python do_kernel_configcheck() {
|
|
import re, string, sys
|
|
|
|
# if KMETA isn't set globally by a recipe using this routine, we need to
|
|
# set the default to 'meta'. Otherwise, kconf_check is not passed a valid
|
|
# meta-series for processing
|
|
kmeta = d.getVar( "KMETA", True ) or "meta"
|
|
if not os.path.exists(kmeta):
|
|
kmeta = "." + kmeta
|
|
|
|
pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH', True), "${S}/scripts/util/")
|
|
cmd = d.expand("cd ${S}; kconf_check -config- %s/meta-series ${S} ${B}" % kmeta)
|
|
ret, result = oe.utils.getstatusoutput("%s%s" % (pathprefix, cmd))
|
|
|
|
config_check_visibility = int(d.getVar( "KCONF_AUDIT_LEVEL", True ) or 0)
|
|
bsp_check_visibility = int(d.getVar( "KCONF_BSP_AUDIT_LEVEL", True ) or 0)
|
|
|
|
# if config check visibility is non-zero, report dropped configuration values
|
|
mismatch_file = "${S}/" + kmeta + "/" + "mismatch.cfg"
|
|
if os.path.exists(mismatch_file):
|
|
if config_check_visibility:
|
|
with open (mismatch_file, "r") as myfile:
|
|
results = myfile.read()
|
|
bb.warn( "[kernel config]: specified values did not make it into the kernel's final configuration:\n\n%s" % results)
|
|
|
|
# if config check visibility is level 2 or higher, report non-hardware options
|
|
nonhw_file = "${S}/" + kmeta + "/" + "nonhw_report.cfg"
|
|
if os.path.exists(nonhw_file):
|
|
if config_check_visibility > 1:
|
|
with open (nonhw_file, "r") as myfile:
|
|
results = myfile.read()
|
|
bb.warn( "[kernel config]: BSP specified non-hw configuration:\n\n%s" % results)
|
|
|
|
bsp_desc = "${S}/" + kmeta + "/" + "top_tgt"
|
|
if os.path.exists(bsp_desc) and bsp_check_visibility > 1:
|
|
with open (bsp_desc, "r") as myfile:
|
|
bsp_tgt = myfile.read()
|
|
m = re.match("^(.*)scratch.obj(.*)$", bsp_tgt)
|
|
if not m is None:
|
|
bb.warn( "[kernel]: An auto generated BSP description was used, this normally indicates a misconfiguration.\n" +
|
|
"Check that your machine (%s) has an associated kernel description." % "${MACHINE}" )
|
|
}
|
|
|
|
# Ensure that the branches (BSP and meta) are on the locations specified by
|
|
# their SRCREV values. If they are NOT on the right commits, the branches
|
|
# are corrected to the proper commit.
|
|
do_validate_branches() {
|
|
set +e
|
|
cd ${S}
|
|
export KMETA=${KMETA}
|
|
|
|
machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}"
|
|
machine_srcrev="${SRCREV_machine}"
|
|
|
|
# if SRCREV is AUTOREV it shows up as AUTOINC there's nothing to
|
|
# check and we can exit early
|
|
if [ "${machine_srcrev}" = "AUTOINC" ]; then
|
|
bbnote "SRCREV validation is not required for AUTOREV"
|
|
elif [ "${machine_srcrev}" = "" ]; then
|
|
if [ "${SRCREV}" != "AUTOINC" ] && [ "${SRCREV}" != "INVALID" ]; then
|
|
# SRCREV_machine_<MACHINE> was not set. This means that a custom recipe
|
|
# that doesn't use the SRCREV_FORMAT "machine_meta" is being built. In
|
|
# this case, we need to reset to the give SRCREV before heading to patching
|
|
bbnote "custom recipe is being built, forcing SRCREV to ${SRCREV}"
|
|
force_srcrev="${SRCREV}"
|
|
fi
|
|
else
|
|
git cat-file -t ${machine_srcrev} > /dev/null
|
|
if [ $? -ne 0 ]; then
|
|
bberror "${machine_srcrev} is not a valid commit ID."
|
|
bbfatal "The kernel source tree may be out of sync"
|
|
fi
|
|
force_srcrev=${machine_srcrev}
|
|
fi
|
|
|
|
## KMETA branch validation.
|
|
target_meta_head="${SRCREV_meta}"
|
|
if [ "${target_meta_head}" = "AUTOINC" ] || [ "${target_meta_head}" = "" ]; then
|
|
bbnote "SRCREV validation skipped for AUTOREV or empty meta branch"
|
|
else
|
|
meta_head=`git show-ref -s --heads ${KMETA}`
|
|
|
|
git cat-file -t ${target_meta_head} > /dev/null
|
|
if [ $? -ne 0 ]; then
|
|
bberror "${target_meta_head} is not a valid commit ID"
|
|
bbfatal "The kernel source tree may be out of sync"
|
|
fi
|
|
if [ "$meta_head" != "$target_meta_head" ]; then
|
|
bbnote "Setting branch ${KMETA} to ${target_meta_head}"
|
|
git branch -m ${KMETA} ${KMETA}-orig
|
|
git checkout -q -b ${KMETA} ${target_meta_head}
|
|
if [ $? -ne 0 ];then
|
|
bbfatal "Could not checkout ${KMETA} branch from known hash ${target_meta_head}"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
git checkout -q -f ${machine_branch}
|
|
if [ -n "${force_srcrev}" ]; then
|
|
# see if the branch we are about to patch has been properly reset to the defined
|
|
# SRCREV .. if not, we reset it.
|
|
branch_head=`git rev-parse HEAD`
|
|
if [ "${force_srcrev}" != "${branch_head}" ]; then
|
|
current_branch=`git rev-parse --abbrev-ref HEAD`
|
|
git branch "$current_branch-orig"
|
|
git reset --hard ${force_srcrev}
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Many scripts want to look in arch/$arch/boot for the bootable
|
|
# image. This poses a problem for vmlinux based booting. This
|
|
# task arranges to have vmlinux appear in the normalized directory
|
|
# location.
|
|
do_kernel_link_vmlinux() {
|
|
if [ ! -d "${B}/arch/${ARCH}/boot" ]; then
|
|
mkdir ${B}/arch/${ARCH}/boot
|
|
fi
|
|
cd ${B}/arch/${ARCH}/boot
|
|
ln -sf ../../../vmlinux
|
|
}
|
|
|
|
OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT"
|
|
KBUILD_OUTPUT = "${B}"
|
|
|
|
python () {
|
|
# If diffconfig is available, ensure it runs after kernel_configme
|
|
if 'do_diffconfig' in d:
|
|
bb.build.addtask('do_diffconfig', None, 'do_kernel_configme', d)
|
|
}
|