From: Weiwei Li <liweiwei@iscas.ac.cn>
Date: Wed, 17 May 2023 09:15:16 +0000 (+0800)
Subject: target/riscv: Flush TLB when pmpaddr is updated
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7c4c31f6d977c54751ca33ac5d77583faf20872d;p=qemu.git

target/riscv: Flush TLB when pmpaddr is updated

TLB should be flushed not only for pmpcfg csr changes, but also for
pmpaddr csr changes.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-Id: <20230517091519.34439-10-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---

diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c
index 48a3e44a77..e0acee7a15 100644
--- a/target/riscv/pmp.c
+++ b/target/riscv/pmp.c
@@ -531,6 +531,7 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
             if (is_next_cfg_tor) {
                 pmp_update_rule_addr(env, addr_index + 1);
             }
+            tlb_flush(env_cpu(env));
         } else {
             qemu_log_mask(LOG_GUEST_ERROR,
                           "ignoring pmpaddr write - locked\n");