target-s390x/interrupt.c

   1 /*
   2  * QEMU S/390 Interrupt support
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or (at your
   7  * option) any later version.  See the COPYING file in the top-level directory.
   8  */
   9
  10 #include "cpu.h"
  11 #include "sysemu/kvm.h"
  12
  13 #if !defined(CONFIG_USER_ONLY)
  14 /* service interrupts are floating therefore we must not pass an cpustate */
  15 void s390_sclp_extint(uint32_t parm)
  16 {
  17     S390CPU *dummy_cpu = s390_cpu_addr2state(0);
  18     CPUS390XState *env = &dummy_cpu->env;
  19
  20     if (kvm_enabled()) {
  21 #ifdef CONFIG_KVM
  22         kvm_s390_interrupt_internal(dummy_cpu, KVM_S390_INT_SERVICE, parm,
  23                                     0, 1);
  24 #endif
  25     } else {
  26         env->psw.addr += 4;
  27         cpu_inject_ext(dummy_cpu, EXT_SERVICE, parm, 0);
  28     }
  29 }
  30 #endif