From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58974) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5Vto-0002uU-0B for qemu-devel@nongnu.org; Fri, 20 Oct 2017 07:55:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e5Vtn-0003U1-9R for qemu-devel@nongnu.org; Fri, 20 Oct 2017 07:55:36 -0400 From: Cornelia Huck Date: Fri, 20 Oct 2017 13:53:55 +0200 Message-Id: <20171020115418.2050-24-cohuck@redhat.com> In-Reply-To: <20171020115418.2050-1-cohuck@redhat.com> References: <20171020115418.2050-1-cohuck@redhat.com> Subject: [Qemu-devel] [PULL 23/46] s390x/tcg: implement SIGP EMERGENCY SIGNAL List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linaro.org Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, rth@twiddle.net, agraf@suse.de, thuth@redhat.com, borntraeger@de.ibm.com, david@redhat.com, Cornelia Huck From: David Hildenbrand As preparation for TCG. Signed-off-by: David Hildenbrand Message-Id: <20170928203708.9376-23-david@redhat.com> Reviewed-by: Richard Henderson Signed-off-by: Cornelia Huck --- target/s390x/sigp.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index 080bce3fba..d492885787 100644 --- a/target/s390x/sigp.c +++ b/target/s390x/sigp.c @@ -76,6 +76,18 @@ static void sigp_external_call(S390CPU *src_cpu, S390CPU *dst_cpu, SigpInfo *si) } } +static void sigp_emergency(S390CPU *src_cpu, S390CPU *dst_cpu, SigpInfo *si) +{ + if (!tcg_enabled()) { + /* handled in KVM */ + set_sigp_status(si, SIGP_STAT_INVALID_ORDER); + return; + } + + cpu_inject_emergency_signal(dst_cpu, src_cpu->env.core_id); + si->cc = SIGP_CC_ORDER_CODE_ACCEPTED; +} + static void sigp_start(CPUState *cs, run_on_cpu_data arg) { S390CPU *cpu = S390_CPU(cs); @@ -327,6 +339,9 @@ static int handle_sigp_single_dst(S390CPU *cpu, S390CPU *dst_cpu, uint8_t order, case SIGP_EXTERNAL_CALL: sigp_external_call(cpu, dst_cpu, &si); break; + case SIGP_EMERGENCY: + sigp_emergency(cpu, dst_cpu, &si); + break; case SIGP_START: run_on_cpu(CPU(dst_cpu), sigp_start, RUN_ON_CPU_HOST_PTR(&si)); break; -- 2.13.6