diff options
Diffstat (limited to 'meta-phosphor/common/recipes-phosphor/initrdscripts/files/obmc-init.sh')
| -rw-r--r-- | meta-phosphor/common/recipes-phosphor/initrdscripts/files/obmc-init.sh | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/meta-phosphor/common/recipes-phosphor/initrdscripts/files/obmc-init.sh b/meta-phosphor/common/recipes-phosphor/initrdscripts/files/obmc-init.sh deleted file mode 100644 index 62be89f03..000000000 --- a/meta-phosphor/common/recipes-phosphor/initrdscripts/files/obmc-init.sh +++ /dev/null @@ -1,426 +0,0 @@ -#!/bin/sh - -fslist="proc sys dev run" -rodir=run/initramfs/ro -rwdir=run/initramfs/rw -upper=$rwdir/cow -work=$rwdir/work - -cd / -mkdir -p $fslist -mount dev dev -tdevtmpfs -mount sys sys -tsysfs -mount proc proc -tproc -if ! grep run proc/mounts -then - mount tmpfs run -t tmpfs -o mode=755,nodev -fi - -mkdir -p $rodir $rwdir - -cp -rp init shutdown update whitelist bin sbin usr lib etc var run/initramfs - -# To start a interactive shell with job control at this point, run -# getty 38400 ttyS4 - -findmtd() { - m=$(grep -xl "$1" /sys/class/mtd/*/name) - m=${m%/name} - m=${m##*/} - echo $m -} - -blkid_fs_type() { - # Emulate util-linux's `blkid -s TYPE -o value $1` - # Example busybox blkid output: - # # blkid /dev/mtdblock5 - # /dev/mtdblock5: TYPE="squashfs" - # Process output to extract TYPE value "squashfs". - blkid $1 | sed -e 's/^.*TYPE="//' -e 's/".*$//' -} - -probe_fs_type() { - fst=$(blkid_fs_type $1) - echo ${fst:=jffs2} -} - -# This fw_get_env_var is a possibly broken version of fw_printenv that -# does not check the crc or flag byte. -# The u-boot environment starts with a crc32, followed by a flag byte -# when a redundannt environment is configured, followed by var=value\0 sets. -# The flag byte for nand is a 1 byte counter; for nor it is a 1 or 0 byte. - -get_fw_env_var() { - # do we have 1 or 2 copies of the environment? - # count non-blank non-comment lines - # copies=$(grep -v ^# /etc/fw_env.config | grep -c [::alnum::]) - # ... we could if we had the fw_env.config in the initramfs - copies=2 - - # * Change \n to \r and \0 to \n - # * Skip to the 5th byte to skip over crc - # * then skip to the first or 2nd byte to skip over flag if it exists - # * stop parsing at first empty line corresponding to the - # double \0 at the end of the environment. - # * print the value of the variable name passed as argument - - envdev=$(findmtd u-boot-env) - if test -n $envdev - then - cat /dev/$envdev | - tr '\n\000' '\r\n' | - tail -c +5 | tail -c +${copies-1} | - sed -ne '/^$/,$d' -e "s/^$1=//p" - fi -} - -setup_resolv() { - runresolv=/run/systemd/resolve/resolv.conf - etcresolv=/etc/resolv.conf - - if test ! -e $etcresolv -a ! -L $etcresolv - then - mkdir -p ${runresolv%/*} - ln -s $runresolv $etcresolv - fi - if test ! -f $runresolv - then - cat /proc/net/pnp > $runresolv - fi - - return 0 -} - -try_tftp() { - # split into tftp:// host:port/ path/on/remote - # then spilt off / and then :port from the end of host:port/ - # and : from the beginning of port - - rest="${1#tftp://}" - path=${rest#*/} - host=${rest%$path} - host="${host%/}" - port="${host#${host%:*}}" - host="${host%$port}" - port="${port#:}" - - setup_resolv - - if test -z "$host" -o -z "$path" - then - debug_takeover "Invalid tftp download url '$url'." - elif echo "Downloading '$url' from $host ..." && - ! tftp -g -r "$path" -l /run/image-rofs "$host" ${port+"$port"} - then - debug_takeover "Download of '$url' failed." - fi -} - -try_wget() { - setup_resolv - - echo "Downloading '$1' ..." - if ! wget -O /run/image-rofs "$1" - then - debug_takeover "Download of '$url' failed." - fi -} - -debug_takeover() { - echo "$@" - test -n "$@" && echo Enter password to try to manually fix. - cat << HERE -After fixing run exit to continue this script, or reboot -f to retry, or -touch /takeover and exit to become PID 1 allowing editing of this script. -HERE - - while ! sulogin && ! test -f /takeover - do - echo getty failed, retrying - done - - # Touch /takeover in the above getty to become pid 1 - if test -e /takeover - then - cat << HERE - -Takeover of init requested. Executing /bin/sh as PID 1. -When finished exec new init or cleanup and run reboot -f. - -Warning: No job control! Shell exit will panic the system! -HERE - export PS1=init#\ - exec /bin/sh - fi -} - -rofs=$(findmtd rofs) -rwfs=$(findmtd rwfs) - -rodev=/dev/mtdblock${rofs#mtd} -rwdev=/dev/mtdblock${rwfs#mtd} - -# Set to y for yes, anything else for no. -force_rwfst_jffs2=y -flash_images_before_init=n -consider_download_files=y -consider_download_tftp=y -consider_download_http=y -consider_download_ftp=y - -rofst=squashfs -rwfst=$(probe_fs_type $rwdev) -roopts=ro -rwopts=rw - -image=/run/initramfs/image- -trigger=${image}rwfs - -init=/sbin/init -fsckbase=/sbin/fsck. -fsck=$fsckbase$rwfst -fsckopts=-a -optfile=/run/initramfs/init-options -optbase=/run/initramfs/init-options-base -urlfile=/run/initramfs/init-download-url -update=/run/initramfs/update - -if test -e /${optfile##*/} -then - cp /${optfile##*/} $optfile -fi - -if test -e /${optbase##*/} -then - cp /${optbase##*/} $optbase -else - touch $optbase -fi - -if test ! -f $optfile -then - cat /proc/cmdline $optbase > $optfile - get_fw_env_var openbmcinit >> $optfile - get_fw_env_var openbmconce >> $optfile -fi - -echo rofs = $rofs $rofst rwfs = $rwfs $rwfst - -if grep -w debug-init-sh $optfile -then - debug_takeover "Debug initial shell requested by command line." -fi - -if test "x$consider_download_files" = xy && - grep -w openbmc-init-download-files $optfile -then - if test -f ${urlfile##*/} - then - cp ${urlfile##*/} $urlfile - fi - if test ! -f $urlfile - then - get_fw_env_var openbmcinitdownloadurl > $urlfile - fi - url="$(cat $urlfile)" - rest="${url#*://}" - proto="${url%$rest}" - - if test -z "$url" - then - echo "Download url empty. Ignoring download request." - elif test -z "$proto" - then - echo "Download failed." - elif test "$proto" = tftp:// - then - if test "x$consider_download_tftp" = xy - then - try_tftp "$url" - else - echo "Download failed." - fi - elif test "$proto" = http:// - then - if test "x$consider_download_http" = xy - then - try_wget "$url" - else - echo "Download failed." - fi - elif test "$proto" = ftp:// - then - if test "x$consider_download_ftp" = xy - then - try_wget "$url" - else - echo "Download failed." - fi - else - echo "Download failed." - fi -fi - -# If there are images in root move them to /run/initramfs/ or /run/ now. -imagebasename=${image##*/} -if test -n "${imagebasename}" && ls /${imagebasename}* > /dev/null 2>&1 -then - if test "x$flash_images_before_init" = xy - then - echo "Flash images found, will update before starting init." - mv /${imagebasename}* ${image%$imagebasename} - else - echo "Flash images found, will use but deferring flash update." - mv /${imagebasename}* /run/ - fi -fi - -if grep -w clean-rwfs-filesystem $optfile -then - echo "Cleaning of read-write overlay filesystem requested." - touch $trigger -fi - -if grep -w factory-reset $optfile -then - echo "Factory reset requested." - touch $trigger - do_save=--no-save-files -else - do_save=--save-files -fi - -if test "x$force_rwfst_jffs2" = xy -a $rwfst != jffs2 -a ! -f $trigger -then - echo "Converting read-write overlay filesystem to jffs2 forced." - touch $trigger -fi - -if ls $image* > /dev/null 2>&1 -then - if ! test -x $update - then - debug_takeover "Flash update requested but $update missing!" - elif test -f $trigger -a ! -s $trigger - then - if [ $do_save = "--save-files" ] - then - echo "Saving selected files from read-write overlay filesystem." - else - echo "No files will be selected for save." - fi - $update --no-restore-files $do_save - echo "Clearing read-write overlay filesystem." - flash_eraseall /dev/$rwfs - echo "Restoring saved files to read-write overlay filesystem." - touch $trigger - $update --no-save-files --clean-saved-files - else - $update --clean-saved-files $do_save - fi - - rwfst=$(probe_fs_type $rwdev) - fsck=$fsckbase$rwfst -fi - -if grep -w overlay-filesystem-in-ram $optfile -then - rwfst=none -fi - -copyfiles= -if grep -w copy-files-to-ram $optfile -then - rwfst=none - copyfiles=y -fi - -# It would be nice to do this after fsck but that mean rofs is mounted -# which triggers the mtd is mounted check -if test "$rwfst$copyfiles" = noney -then - touch $trigger - $update --copy-files --clean-saved-files --no-restore-files -fi - -if grep -w copy-base-filesystem-to-ram $optfile && - test ! -e /run/image-rofs && ! cp $rodev /run/image-rofs -then - # Remove any partial copy to avoid attempted usage later - if test -e /run/image-rofs - then - ls -l /run/image-rofs - rm -f /run/image-rofs - fi - debug_takeover "Copying $rodev to /run/image-rofs failed." -fi - -if test -s /run/image-rofs -then - rodev=/run/image-rofs - roopts=$roopts,loop -fi - -mount $rodev $rodir -t $rofst -o $roopts - -if test -x $rodir$fsck -then - for fs in $fslist - do - mount --bind $fs $rodir/$fs - done - chroot $rodir $fsck $fsckopts $rwdev - rc=$? - for fs in $fslist - do - umount $rodir/$fs - done - if test $rc -gt 1 - then - debug_takeover "fsck of read-write fs on $rwdev failed (rc=$rc)" - fi -elif test "$rwfst" != jffs2 -a "$rwfst" != none -then - echo "No '$fsck' in read only fs, skipping fsck." -fi - -if test "$rwfst" = none -then - echo "Running with read-write overlay in RAM for this boot." - echo "No state will be preserved unless flash update performed." -elif ! mount $rwdev $rwdir -t $rwfst -o $rwopts -then - msg="$(cat)" << HERE - -Mounting read-write $rwdev filesystem failed. Please fix and run - mount $rwdev $rwdir -t $rwfst -o $rwopts -to to continue, or do change nothing to run from RAM for this boot. -HERE - debug_takeover "$msg" -fi - -rm -rf $work -mkdir -p $upper $work - -mount -t overlay -o lowerdir=$rodir,upperdir=$upper,workdir=$work cow /root - -while ! chroot /root /bin/sh -c "test -x '$init' -a -s '$init'" -do - msg="$(cat)" << HERE - -Unable to confirm /sbin/init is an executable non-empty file -in merged file system mounted at /root. - -Change Root test failed! Invoking emergency shell. -HERE - debug_takeover "$msg" -done - -for f in $fslist -do - mount --move $f root/$f -done - -# switch_root /root $init -exec chroot /root $init - |
