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* utils: implement BIOS boot for windowsAlejandro Sirgo Rica2024-03-211-4/+10
| | | | | | | | | | | | | | | | | | Create ogboot.me and ogboot.secondboot as empty files and ogboot.firstboot with the value "iniciado" in the root of the BIOS Windows system partition. The files must contain data for GRUB to be able to write content, therefore these are created containing 3072 null bytes. The Windows boot process is handled by the "pxe" profile. There the files ogboot.me, ogboot.firstboot and ogboot.secondboot are used as a state machine to chose between booting Windows and ogLive. The first Windows boot happens if ogboot.me and ogboot.firstboot are identical, then "iniciado" is written in ogboot.firstboot. We skip this stage as we create ogboot.firstboot with 'iniciado'. The second Windows boot occurs if ogboot.me and ogboot.secondboot are boot identical, then "iniciado" is written in ogboot.secondboot. After the Windows boot ogLive is booted.
* utils: implement BIOS boot for LinuxAlejandro Sirgo Rica2024-03-211-1/+17
| | | | | | | | | Create a bios.py file to hold all the BIOS specific functions. Implement the _boot_bios_linux in Python. The new boot process tries to find the vmlinuz and initrd binaries at the desired partition. Then it tries to load them with kexec with the proper Grub boot params. One step closer to the removal of the boot legacy script.
* utils: implement linux distro id detectionAlejandro Sirgo Rica2024-03-081-1/+5
| | | | | | | The OS probe logic must be able to check a distro programmatically, add get_linux_distro_id to return an id whitout versioning. Ensure the availability of 'ubuntu' when we need to ensure certain features are only used with a supported system.
* utils: move all boot from OS functionality into boot.pyAlejandro Sirgo Rica2024-03-081-6/+26
| | | | | | | | This change is a preparative for reimplementing the BIOS boot in order to deprecate the legacy script. All the codepaths to boot systems located at a partition are now called from the boot_os_at function enabling an easier structure for the incoming code.
* utils: improve uefi detection mechanismAlejandro Sirgo Rica2024-03-081-1/+1
| | | | | | | Checking the existence /sys/firmware/efi as it might appear sometimes in BIOS installs if the BIOS configuration is not proper. Checking for the EFI partition is the safest method to veryfy the install type.
* live: drop IniciarSesion script when uefi booting into linuxAlejandro Sirgo Rica2024-03-041-6/+33
| | | | | | Replace IniciarSesion script in favor of native Python code when booting a UEFI system into Linux. This completes the implementation of booting into an OS on a UEFI compliant system.
* utils: add boot.pyJose M. Guisado2024-03-041-0/+63
Add utility module related to the process of booting a system from a client's partition. The main utility function to boot a clients system is boot_os_at(), from which firmware (UEFI or BIOS) and os-family specific private functions are invoked. This initial commit adds UEFI windows boot function.