diff mbox series

[PULL,22/60] target/riscv: Flush TLB when pmpaddr is updated

Message ID 20230614012017.3100663-23-alistair.francis@wdc.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/60] target/riscv/vector_helper.c: skip set tail when vta is zero | expand

Commit Message

Alistair Francis June 14, 2023, 1:19 a.m. UTC 
From: Weiwei Li <liweiwei@iscas.ac.cn>

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>
---
 target/riscv/pmp.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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");