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[PULL,16/60] target/riscv: Make the short cut really work in pmp_hart_has_privs

Message ID 20230614012017.3100663-17-alistair.francis@wdc.com
State New
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>

Return the result directly for short cut, since We needn't do the
following check on the PMP entries if there is no PMP rules.

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>
Message-Id: <20230517091519.34439-4-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 2bc924340a..3c90562d55 100644
--- a/target/riscv/pmp.c
+++ b/target/riscv/pmp.c
@@ -316,6 +316,7 @@  int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
                                        allowed_privs, mode)) {
             ret = MAX_RISCV_PMPS;
         }
+        return ret;
     }
 
     if (size == 0) {