xPL terminology

[Marek Vasut]

On 8/25/24 3:07 PM, Simon Glass wrote:
> Hi,

Hi,

> We have the term 'SPL', which has a dual meaning. It is both a
> particular phase of U-Boot (the one that loads U-Boot proper) and a
> generic name for any pre-proper phase.
> 
> You can see that in a few areas, but for example CONFIG_SPL_BUILD is
> enabled for TPL and VPL builds, not just SPL.

I wasn't aware of this.

> I propose to rename the generic term from SPL to xPL (meaning any PL
> phase), leaving SPL to just refer to the phase before U-Boot proper.
> 
> The symbol would be CONFIG_XPL but in documentation we would talk of
> xPL, with a lower-case X, so it is more obvious that it refers to any
> phase.
> 
> What do you think?

Works for me, thanks.