Creates the IPS patches needed to replace the Switch logo on boot.
The logo you want to change the Switch logo to must be the same size as the original logo, which is 308x350. Anything else and the program won't let you progress.
You don't need to dump the original logo to use this, but if you don't specify the original logo, each patch will be 400+ KiB.
Download GenP_GUI.exe from here.
Put the logo in the same directory as .exe file
Run the .exe file

enter the name of the logo in the entry box and press enter
This will create a folder "logo" in the directory, copy this folder to atmosphere/exefs_patches to change the boot screen
usage: gen_patches.py [-h] [-o OLD_LOGO] patches_dir new_logo
positional arguments:
patches_dir The directory where the generated patches will be
dumped
new_logo The new logo image
optional arguments:
-h, --help show this help message and exit
-o OLD_LOGO, --old_logo OLD_LOGO
The original logo image