From: Bin Meng <bmeng.cn@gmail.com>
When privilege check fails, RISCV_EXCP_ILLEGAL_INST is returned,
not -1 (RISCV_EXCP_NONE).
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210807141025.31808-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/csr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 9a4ed18ac5..e747fbe0e9 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1423,7 +1423,7 @@ RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
target_ulong old_value;
RISCVCPU *cpu = env_archcpu(env);
- /* check privileges and return -1 if check fails */
+ /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */
#if !defined(CONFIG_USER_ONLY)
int effective_priv = env->priv;
int read_only = get_field(csrno, 0xC00) == 3;
--
2.31.1