diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2021-08-07 22:10:25 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2021-09-01 11:59:12 +1000 |
| commit | 65e728a28aa6c9df62711e2ece09f142b97825a6 (patch) | |
| tree | 924f53292e12f05a0ff48109573b3db759bdee24 /target/riscv/csr.c | |
| parent | 58bde469ba0208497eea49650df7e9f832875e56 (diff) | |
target/riscv: Correct a comment in riscv_csrrw()
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>
Diffstat (limited to 'target/riscv/csr.c')
| -rw-r--r-- | target/riscv/csr.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |