Bo Gan 81e3ba77a6 lib: sbi: call platform load/store emulators ...

sbi_load/store_access_handler now tries to call platform emulators
if defined. Otherwise, redirects the fault. If the platform code
returns failure, this means the H/S/U has accessed the emulated
devices in an unexpected manner, which is very likely caused by
buggy code in H/S/U. We redirect the fault, so lower privileged
level can get notified, and act accordingly. (E.g., oops in Linux)

We let the handler truly fail if the trap was originated from M mode.
In this case, something must be very wrong and we should just fail.

Signed-off-by: Bo Gan <ganboing@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>

2024-03-11 10:56:02 +05:30

..

sbi

lib: sbi: call platform load/store emulators

2024-03-11 10:56:02 +05:30

sbi_utils

lib: utils/timer: mtimer: only use regname for aclint

2023-12-27 11:57:33 +05:30