tree d578480004533618b53e10915ef8ff784267967c
parent 71004371622e1f7b640b6185c9af699a41d33eff
author Andreas Kurth <adk@lowrisc.org> 1651657038 +0200
committer Greg Chadwick <mail@gregchadwick.co.uk> 1652097727 +0100

[otbn] Harden stack write pointer using prim_count

This hardening applies to the call stack and the loop info stack, as
`otbn_stack` is used in both of them.

Signed-off-by: Andreas Kurth <adk@lowrisc.org>