static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) { CPUS390XState *env = &cpu->env; uint8_t order_code; uint16_t cpu_addr; int r = -1; S390CPU *target_cpu; cpu_synchronize_state(CPU(cpu)); /* get order code */ order_code = decode_basedisp_rs(env, run->s390_sieic.ipb) & SIGP_ORDER_MASK; cpu_addr = env->regs[ipa1 & 0x0f]; target_cpu = s390_cpu_addr2state(cpu_addr); if (target_cpu == NULL) { goto out; } switch (order_code) { case SIGP_START: r = kvm_s390_cpu_start(target_cpu); break; case SIGP_RESTART: r = kvm_s390_cpu_restart(target_cpu); break; case SIGP_SET_ARCH: /* make the caller panic */ return -1; case SIGP_INITIAL_CPU_RESET: r = s390_cpu_initial_reset(target_cpu); break; default: fprintf(stderr, "KVM: unknown SIGP: 0x%x\n", order_code); break; } out: setcc(cpu, r ? 3 : 0); return 0; }
static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) { CPUS390XState *env = &cpu->env; uint8_t order_code; uint16_t cpu_addr; int r = -1; S390CPU *target_cpu; cpu_synchronize_state(CPU(cpu));   order_code = decode_basedisp_rs(env, run->s390_sieic.ipb) & SIGP_ORDER_MASK; cpu_addr = env->regs[ipa1 & 0x0f]; target_cpu = s390_cpu_addr2state(cpu_addr); if (target_cpu == NULL) { goto out; } switch (order_code) { case SIGP_START: r = kvm_s390_cpu_start(target_cpu); break; case SIGP_RESTART: r = kvm_s390_cpu_restart(target_cpu); break; case SIGP_SET_ARCH:   return -1; case SIGP_INITIAL_CPU_RESET: r = s390_cpu_initial_reset(target_cpu); break; default: fprintf(stderr, "KVM: unknown SIGP: 0x%x\n", order_code); break; } out: setcc(cpu, r ? 3 : 0); return 0; }