On Sat, 6 Feb 2021 01:23:42 -0600, Christopher M. Riedl wrote:
> The idle entry/exit code saves/restores GPRs in the stack "red zone"
> (Protected Zone according to PowerPC64 ELF ABI v2). However, the offset
> used for the first GPR is incorrect and overwrites the back chain - the
> Protected Zone
The idle entry/exit code saves/restores GPRs in the stack "red zone"
(Protected Zone according to PowerPC64 ELF ABI v2). However, the offset
used for the first GPR is incorrect and overwrites the back chain - the
Protected Zone actually starts below the current SP. In practice this is
probably not
