The initramfs
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Boot process:
- Enable
set -x
if the verbose-initfs hook exists - Load deviceinfo data
- Create busybox symlinks
- Mount
/dev
,/proc
and/sys
- Redirect stdout to
/pmOS_init.log
ifPMOS_NO_OUTPUT_REDIRECT
isn't present in the kernel cmdline - Modprobe modules listed in deviceinfo
- Enable mdev (busybox replacement for udev)
- Make kernel detect subpartitions
- Wait for /dev/fb0 to appear (if not disabled in deviceinfo) and set the framebuffer mode
- Execute hooks
- Show loading splash
- Start networking
- Find and mount the partition with the
pmOS_boot
label (or show "Boot partition not found" splash) - Unpack initramfs-extra from the boot partition (or show "Initramfs-extra not found" splash)
- Start charging mode if one of the known charging kernel parameters was found in the cmdline (show battery icon for charging and waits for powerbutton press)
- Search for a partition with the label
pmOS_root
orcrypto_LUKS
- Try to resize the partition containing the root filesystem to the maximum size
- Start osk-sdl if the rootfs is a luks partition
- Resize the root filesystem to match the partition it is in
- Mount the root filesystem
- Kill all processes running in the initramfs and pivot root to the real rootfs