Commit c50105d4 authored by David Hildenbrand's avatar David Hildenbrand Committed by Cornelia Huck
Browse files

s390x/tcg: implement SIGP EMERGENCY SIGNAL 



As preparation for TCG.

Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Message-Id: <20170928203708.9376-23-david@redhat.com>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarCornelia Huck <cohuck@redhat.com>
parent 070aa1a4

target/s390x/sigp.c

+15 −0
Original line number Diff line number Diff line
@@ -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;