[BUG] : pmpcfg1 only right on the lower byte

Created by: AyoubJalali

Is there an existing CVA6 bug for this?

• I have searched the existing bug issues

Bug Description

Hello as the CV32A65X spec, we support all pmp csrs, but on the pmpcfg2-15 are WARL (we only read zero), but pmpcfg1 only right on the lower byte.

TEST : li a1, 0xffff_ffff csrw pmpcfg1, a1

TEST.log :

according to the spec pmpcfg1 isn't read-only zero