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[PATCH 0/2] target/riscv: Fix mstatus.MPP related support
From: |
Weiwei Li |
Subject: |
[PATCH 0/2] target/riscv: Fix mstatus.MPP related support |
Date: |
Thu, 30 Mar 2023 21:58:16 +0800 |
This patchset tries to fix some problems in current implementation for
mstatus.MPP.
- set to the least-privileged supported mode (U if U-mode is implemented, else
M) after executing mret
- legalize mpp when write to mstatus
The port is available here:
https://github.com/plctlab/plct-qemu/tree/plct-mpp-fix
Weiwei Li (2):
target/riscv: Fix the mstatus.MPP value after executing MRET
target/riscv: Legalize MPP value in write_mstatus
target/riscv/cpu_helper.c | 5 +----
target/riscv/csr.c | 14 ++++++++++++++
target/riscv/op_helper.c | 3 ++-
3 files changed, 17 insertions(+), 5 deletions(-)
--
2.25.1
- [PATCH 0/2] target/riscv: Fix mstatus.MPP related support,
Weiwei Li <=