| Message ID | 20171207165355.7559-8-david@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | s390x/tcg: facilitites and instructions | expand |
On 12/07/2017 08:53 AM, David Hildenbrand wrote: > KVM suppresses SIGA, setting cc=3. Let's do the same for TCG, so we're at > least equal. > > Signed-off-by: David Hildenbrand <david@redhat.com> > --- > target/s390x/insn-data.def | 1 + > target/s390x/translate.c | 8 ++++++++ > 2 files changed, 9 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index c7353e7f11..f7b66b0091 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1056,6 +1056,7 @@ C(0xb238, RSCH, S, Z, 0, 0, 0, 0, rsch, 0) C(0xb237, SAL, S, Z, 0, 0, 0, 0, sal, 0) C(0xb23c, SCHM, S, Z, 0, insn, 0, 0, schm, 0) + C(0xb274, SIGA, S, Z, 0, 0, 0, 0, siga, 0) C(0xb23a, STCPS, S, Z, 0, 0, 0, 0, stcps, 0) C(0xb233, SSCH, S, Z, 0, insn, 0, 0, ssch, 0) C(0xb239, STCRW, S, Z, 0, insn, 0, 0, stcrw, 0) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 5c2432678c..1e4079464a 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4102,6 +4102,14 @@ static ExitStatus op_schm(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_siga(DisasContext *s, DisasOps *o) +{ + check_privileged(s); + /* From KVM code: Not provided, set CC = 3 for subchannel not operational */ + gen_op_movi_cc(s, 3); + return NO_EXIT; +} + static ExitStatus op_stcps(DisasContext *s, DisasOps *o) { check_privileged(s);
KVM suppresses SIGA, setting cc=3. Let's do the same for TCG, so we're at least equal. Signed-off-by: David Hildenbrand <david@redhat.com> --- target/s390x/insn-data.def | 1 + target/s390x/translate.c | 8 ++++++++ 2 files changed, 9 insertions(+)