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s390x/tcg: implement SIGP EMERGENCY SIGNAL 

As preparation for TCG.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170928203708.9376-23-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2017-09-28 22:37:00 +02:00 committed by Cornelia Huck
parent 070aa1a493
commit c50105d47c
1 changed files with 15 additions and 0 deletions
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15
target/s390x/sigp.c
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@ -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) static void sigp_start(CPUState *cs, run_on_cpu_data arg)
{ {
S390CPU *cpu = S390_CPU(cs); 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: case SIGP_EXTERNAL_CALL:
sigp_external_call(cpu, dst_cpu, &si); sigp_external_call(cpu, dst_cpu, &si);
break; break;
case SIGP_EMERGENCY:
sigp_emergency(cpu, dst_cpu, &si);
break;
case SIGP_START: case SIGP_START:
run_on_cpu(CPU(dst_cpu), sigp_start, RUN_ON_CPU_HOST_PTR(&si)); run_on_cpu(CPU(dst_cpu), sigp_start, RUN_ON_CPU_HOST_PTR(&si));
break; break;