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| author | David Hildenbrand <david@redhat.com> | 2017-12-08 17:02:04 +0100 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2017-12-14 17:56:54 +0100 |
| commit | ad0ccf1e6a45c22d6c0564f8365bf1df39c64c15 (patch) | |
| tree | ec20d1f8922c9512f108301157f1cf3c8731376d | |
| parent | b9b0a4dc13cc6180c79056a7d15e828e93a24a41 (diff) | |
| download | qemu-ad0ccf1e6a45c22d6c0564f8365bf1df39c64c15.zip qemu-ad0ccf1e6a45c22d6c0564f8365bf1df39c64c15.tar.gz qemu-ad0ccf1e6a45c22d6c0564f8365bf1df39c64c15.tar.bz2 | |
s390x/tcg: Implement SIGNAL ADAPTER instruction
KVM suppresses SIGA, setting cc=3. Let's do the same for TCG, so we're at
least equal.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171208160207.26494-12-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
| -rw-r--r-- | target/s390x/insn-data.def | 1 | ||||
| -rw-r--r-- | target/s390x/translate.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 2e47a6b..2507413 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 16febf4..83e1df0 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4132,6 +4132,14 @@ 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); |