From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37908) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtyUh-0007gE-Ht for qemu-devel@nongnu.org; Mon, 18 Sep 2017 12:02:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dtyUe-0008H3-Q3 for qemu-devel@nongnu.org; Mon, 18 Sep 2017 12:01:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36912) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dtyUe-0008Gn-KX for qemu-devel@nongnu.org; Mon, 18 Sep 2017 12:01:56 -0400 From: David Hildenbrand Date: Mon, 18 Sep 2017 18:00:06 +0200 Message-Id: <20170918160012.4317-22-david@redhat.com> In-Reply-To: <20170918160012.4317-1-david@redhat.com> References: <20170918160012.4317-1-david@redhat.com> Subject: [Qemu-devel] [PATCH v1 21/27] s390x/tcg: implement SIGP EMERGENCY SIGNAL List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Richard Henderson , thuth@redhat.com, cohuck@redhat.com, david@redhat.com, borntraeger@de.ibm.com, Alexander Graf , Igor Mammedov , Aurelien Jarno , Matthew Rosato , =?UTF-8?q?Alex=20Benn=C3=A9e?= As preparation for TCG. Signed-off-by: David Hildenbrand --- 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; -- 2.13.5