diff options
| -rw-r--r-- | target/riscv/csr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index f9ac21d687..390ef781e4 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -836,12 +836,21 @@ static int write_satp(CPURISCVState *env, int csrno, target_ulong val) static int read_hstatus(CPURISCVState *env, int csrno, target_ulong *val) { *val = env->hstatus; +#ifdef TARGET_RISCV64 + /* We only support 64-bit VSXL */ + *val = set_field(*val, HSTATUS_VSXL, 2); +#endif return 0; } static int write_hstatus(CPURISCVState *env, int csrno, target_ulong val) { env->hstatus = val; +#ifdef TARGET_RISCV64 + if (get_field(val, HSTATUS_VSXL) != 2) { + qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN options."); + } +#endif return 0; } |