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| author | David Hildenbrand <david@redhat.com> | 2017-09-28 22:37:00 +0200 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2017-10-20 13:32:10 +0200 |
| commit | c50105d47c3e13108d4d6d37360c4b105a81ab32 (patch) | |
| tree | 167d7843203e9ff79b044a0dffbe402037d638dc /target/s390x/sigp.c | |
| parent | 070aa1a49389e04c49b4f5742d4184d253be5547 (diff) | |
| download | qemu-c50105d47c3e13108d4d6d37360c4b105a81ab32.zip qemu-c50105d47c3e13108d4d6d37360c4b105a81ab32.tar.gz qemu-c50105d47c3e13108d4d6d37360c4b105a81ab32.tar.bz2 | |
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>
Diffstat (limited to 'target/s390x/sigp.c')
| -rw-r--r-- | target/s390x/sigp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index 080bce3..d492885 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; |