Commit ad0ccf1e authored by David Hildenbrand's avatar David Hildenbrand Committed by Cornelia Huck
Browse files

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: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Message-Id: <20171208160207.26494-12-david@redhat.com>
Signed-off-by: default avatarCornelia Huck <cohuck@redhat.com>
parent b9b0a4dc
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+1 −0
Original line number Diff line number Diff line
@@ -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)
+8 −0
Original line number Diff line number Diff line
@@ -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);