diff options
| -rw-r--r-- | target/s390x/sigp.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index 063a34ccc7..080bce3fba 100644 --- a/target/s390x/sigp.c +++ b/target/s390x/sigp.c @@ -58,6 +58,24 @@ static void sigp_sense(S390CPU *dst_cpu, SigpInfo *si) } } +static void sigp_external_call(S390CPU *src_cpu, S390CPU *dst_cpu, SigpInfo *si) +{ + int ret; + + if (!tcg_enabled()) { + /* handled in KVM */ + set_sigp_status(si, SIGP_STAT_INVALID_ORDER); + return; + } + + ret = cpu_inject_external_call(dst_cpu, src_cpu->env.core_id); + if (!ret) { + si->cc = SIGP_CC_ORDER_CODE_ACCEPTED; + } else { + set_sigp_status(si, SIGP_STAT_EXT_CALL_PENDING); + } +} + static void sigp_start(CPUState *cs, run_on_cpu_data arg) { S390CPU *cpu = S390_CPU(cs); @@ -282,7 +300,7 @@ static void sigp_sense_running(S390CPU *dst_cpu, SigpInfo *si) } } -static int handle_sigp_single_dst(S390CPU *dst_cpu, uint8_t order, +static int handle_sigp_single_dst(S390CPU *cpu, S390CPU *dst_cpu, uint8_t order, uint64_t param, uint64_t *status_reg) { SigpInfo si = { @@ -306,6 +324,9 @@ static int handle_sigp_single_dst(S390CPU *dst_cpu, uint8_t order, case SIGP_SENSE: sigp_sense(dst_cpu, &si); break; + case SIGP_EXTERNAL_CALL: + sigp_external_call(cpu, dst_cpu, &si); + break; case SIGP_START: run_on_cpu(CPU(dst_cpu), sigp_start, RUN_ON_CPU_HOST_PTR(&si)); break; @@ -389,7 +410,7 @@ int handle_sigp(CPUS390XState *env, uint8_t order, uint64_t r1, uint64_t r3) default: /* all other sigp orders target a single vcpu */ dst_cpu = s390_cpu_addr2state(env->regs[r3]); - ret = handle_sigp_single_dst(dst_cpu, order, param, status_reg); + ret = handle_sigp_single_dst(cpu, dst_cpu, order, param, status_reg); } qemu_mutex_unlock(&qemu_sigp_mutex); |