diff options
| author | ShihPo Hung <shihpo.hung@sifive.com> | 2020-01-14 22:17:33 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-01-16 10:03:15 -0800 |
| commit | 82f014671cf057de51c4a577c9e2ad637dcec6f9 (patch) | |
| tree | 490d36ed18464d95688795d5335417b511fe5ca2 /target/riscv/csr.c | |
| parent | a59796eb6d59bbd74ce28ddbddb1b83e60674e96 (diff) | |
target/riscv: update mstatus.SD when FS is set dirty
remove the check becuase SD bit should summarize FS and XS fields
unconditionally.
Signed-off-by: ShihPo Hung <shihpo.hung@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'target/riscv/csr.c')
| -rw-r--r-- | target/riscv/csr.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index da02f9f0b1..0e34c292c5 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -341,8 +341,7 @@ static int write_mstatus(CPURISCVState *env, int csrno, target_ulong val) mstatus = (mstatus & ~mask) | (val & mask); - dirty = (riscv_cpu_fp_enabled(env) && - ((mstatus & MSTATUS_FS) == MSTATUS_FS)) | + dirty = ((mstatus & MSTATUS_FS) == MSTATUS_FS) | ((mstatus & MSTATUS_XS) == MSTATUS_XS); mstatus = set_field(mstatus, MSTATUS_SD, dirty); env->mstatus = mstatus; |