在 2022/7/27 下午2:49, Atish Patra 写道:
With .min_priv_version, additiona priv version check is uncessary
for mcountinhibit read/write functions.
Reviewed-by: Heiko Stuebner <he...@sntech.de>
Tested-by: Heiko Stuebner <he...@sntech.de>
Signed-off-by: Atish Patra <ati...@rivosinc.com>
---
target/riscv/csr.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index ec6d7f022ad5..eac003d6b950 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1484,10 +1484,6 @@ static RISCVException write_mtvec(CPURISCVState *env,
int csrno,
static RISCVException read_mcountinhibit(CPURISCVState *env, int csrno,
target_ulong *val)
{
- if (env->priv_ver < PRIV_VERSION_1_11_0) {
- return RISCV_EXCP_ILLEGAL_INST;
- }
-
*val = env->mcountinhibit;
return RISCV_EXCP_NONE;
}
@@ -1498,10 +1494,6 @@ static RISCVException write_mcountinhibit(CPURISCVState
*env, int csrno,
int cidx;
PMUCTRState *counter;
- if (env->priv_ver < PRIV_VERSION_1_11_0) {
- return RISCV_EXCP_ILLEGAL_INST;
- }
-
env->mcountinhibit = val;
/* Check if any other counter is also monitoring cycles/instructions */
Reviewed-by: Weiwei Li <liwei...@iscas.ac.cn>
Regards,
Weiwei Li