On Fri, 14 May 2021 14:40:08 +1000, Nicholas Piggin wrote:
> Some interrupt handlers have an "extra" that saves 1 or 2 registers
> (r14, r15) in the paca save area and makes them available to use by the
> handler.
>
> The change to always save nvgprs in exception handlers lead to some
> interrupt
Some interrupt handlers have an "extra" that saves 1 or 2 registers
(r14, r15) in the paca save area and makes them available to use by the
handler.
The change to always save nvgprs in exception handlers lead to some
interrupt handlers saving those scratch r14 / r15 registers into the
interrupt
