Name

• iron OS

Description

Iron OS is an operation system based on linux/buildroot with chromium as it's gui.

Rust

MSRV: 1.74 Host MSRV: 1.85

image

the image of iron should be for all uses the same

Image vs Packages

In iron there are two ways to add software either in the rootfs or via packages.

The rootfs is updated bi yearly and if vulnerabilities are discovered more. Packages are a shorter release cycle and should be used for software that changes fast.

service bootloader

• start iron service package

• supports api via stdin

• can switch boot img

• update images from img file

• can restart

• watchdog for iron service restart if iron service does not send connected for a given period

• start weston service

service

• start chromium

• send logs

• api to start other packages

• api to interact with ui (reset, show display)

• start frame package

iron ui

• extension needs to handle the keyboard
• allow secure storage
• set which page to show
• do we need iframes or can the background service redirect us
• trigger resets (when screen goes dark or the device is not used)

packages folder

packages

• packages.fdb
• chnobli_ui
• package.fdb // json_db containing information about the package
• left
• right

package.fdb

• name
• version_str
• version // hash
• signature // signature of the current version
• current // folder of the current left|right
• binary // Option

Install disk (everything as small as possible)

• efi partition
• rootfs partition
• data partition

Final disk

• efi partition
• rootfs partition 1 (res. 500mb)
• rootfs partition 2 (res. 500mb)
• data partition (50% of target filesize)

Todo

probably update psplash https://git.yoctoproject.org/cgit/cgit.cgi/psplash/

• reload on no internet (chrome) (or extension)
• pulseaudio in system mode
• unable to load firmware rtl_nic/rtl8168g-2.fw