From: Weiwei Li <liweiwei@iscas.ac.cn>
Date: Wed, 17 May 2023 09:15:10 +0000 (+0800)
Subject: target/riscv: Make the short cut really work in pmp_hart_has_privs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=093ce837e1facb4168fbe24974ee92220cdd1907;p=qemu.git

target/riscv: Make the short cut really work in pmp_hart_has_privs

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>
---

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) {