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card-kernel-write: Remove redundancies / add doc

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Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
This commit is contained in:
Andreas Müller
2018-10-12 17:49:56 +02:00
parent f490e77e8e
commit 2b19d4d6fb
4 changed files with 45 additions and 29 deletions
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37
scripts/include/card-helpers.inc
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@@ -314,6 +314,28 @@ CheckPartitionTable() {
unset retVal parttype partresult retVal PartTableReq
}
# CopyKernelModules: Copy kernel modules to roofs expected in tmpdir
CopyKernelModules() {
# copy rootfs/lib/modules
for modules in `find ${DeployFileDir} -name "modules-${Machine}.tgz"`; do
EvalExAuto "tar xvzf ${modules} -C $tmpdir/" "\nUnpack kernel modules..."
done
}
# RegisterKernelModules: Update kernel modules database by running depmod
# The following variables are expected:
# tmpdir: Path to the mounted rootfs
# DeployFileDir: Path to kernel image
# Machine: Name of the machine
# KernelAbiVersion: Kernel ABI version
RegisterKernelModules() {
# stolen from dempodwrapper
sys_map=`realpath ${DeployFileDir}/../../../pkgdata/${Machine}/kernel-depmod/System.map-$KernelAbiVersion`
EvalExAuto "depmod -a -b $tmpdir -F $sys_map $KernelAbiVersion" "\nRun depmod on modules..."
}
# This is the function to be called by card-write scripts
# It expects an implementation of RootCardWriteCallback
StartCardWrite() {
# If not set on call - get defaults from machine.inc
if [ -z "$Machine" ]; then
@@ -324,10 +346,18 @@ StartCardWrite() {
fi
RunUserStartRoot
# now we are root
PrepareWrite
RootCardWriteCallback
}
# This is the function to be called by card-kernel-write scripts
# It expects an implementation of RootCardKernelWriteCallback
# and prepares the follwing kernel-write specific variables:
# KernelWithAbiName: This kernel image file name including ABI version and
# is used by many machines as name of kernel image
# KernelAbiVersion: Kernel ABI version itself required for depmod
StartCardKernelWrite() {
# If not set on call - get defaults from machine.inc
if [ -z "$Machine" ]; then
@@ -342,8 +372,13 @@ StartCardKernelWrite() {
FindString="-name ${KernelImageType}-abiversion-* -type l"
fi
RunUserStartRoot "${style_bold}Kernel on %DevicePath% will be overwritten by %DeployedFile%${style_normal}"
RunUserStartRoot "${style_bold}Kernel, devicetrees and kernel-modules on %DevicePath% will be overwritten by %DeployedFile%${style_normal}"
# now we are root
PrepareWrite
# Set variables used by RootCardKernelWriteCallback
KernelWithAbiName=`basename $DeployedFile | sed -e 's:-abiversion::'`
KernelAbiVersion=`echo $KernelWithAbiName | sed 's:'${KernelImageType}-'::g'`
RootCardKernelWriteCallback
}