From ad0ccf1e6a45c22d6c0564f8365bf1df39c64c15 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 8 Dec 2017 17:02:04 +0100 Subject: 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 Signed-off-by: David Hildenbrand Message-Id: <20171208160207.26494-12-david@redhat.com> Signed-off-by: Cornelia Huck --- target/s390x/insn-data.def | 1 + target/s390x/translate.c | 8 ++++++++ 2 files changed, 9 insertions(+) (limited to 'target/s390x') 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); -- cgit v1.1