static int handle_instruction(CPUState *env, struct kvm_run *run) { unsigned int ipa0 = (run->s390_sieic.ipa & 0xff00); uint8_t ipa1 = run->s390_sieic.ipa & 0x00ff; int ipb_code = (run->s390_sieic.ipb & 0x0fff0000) >> 16; int r = -1; dprintf("handle_instruction 0x%x 0x%x\n", run->s390_sieic.ipa, run->s390_sieic.ipb); switch (ipa0) { case IPA0_PRIV: r = handle_priv(env, run, ipa1); break; case IPA0_DIAG: r = handle_diag(env, run, ipb_code); break; case IPA0_SIGP: r = handle_sigp(env, run, ipa1); break; } if (r < 0) { enter_pgmcheck(env, 0x0001); } return r; }