collapseos/blk/080
Virgil Dupras 3068b58be5 Rename RAMSTART to SYSVARS
It's more descriptive this way. Also, I'll soon add a new HERESTART
config.
2020-06-28 18:49:30 -04:00

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System variables
There are some core variables in the core system that are
referred to directly by their address in memory throughout the
code. The place where they live is configurable by the SYSVARS
constant in xcomp unit, but their relative offset is not. In
fact, they're mostly referred to directly as their numerical
offset along with a comment indicating what this offset refers
to.
This system is a bit fragile because every time we change those
offsets, we have to be careful to adjust all system variables
offsets, but thankfully, there aren't many system variables.
Here's a list of them:
(cont.)