text: /*
   * S390x machine definitions and functions
   *
   * Copyright IBM Corp. 2014
   *
   * Authors:
   *   Thomas Huth <thuth@linux.vnet.ibm.com>
   *   Christian Borntraeger <borntraeger@de.ibm.com>
   *   Jason J. Herne <jjherne@us.ibm.com>
   *
   * This work is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published
   * by the Free Software Foundation; either version 2 of the License,
   * or (at your option) any later version.
   */
  
  #include "hw/hw.h"
  #include "cpu.h"
  #include "sysemu/kvm.h"
  
  static int cpu_post_load(void *opaque, int version_id)
  {
      S390CPU *cpu = opaque;
  
      /*
       * As the cpu state is pushed to kvm via kvm_set_mp_state rather
       * than via cpu_synchronize_state, we need update kvm here.
       */
      if (kvm_enabled()) {
          kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state);
          return kvm_s390_vcpu_interrupt_post_load(cpu);
      }
  
      return 0;
  }
  static void cpu_pre_save(void *opaque)
  {
      S390CPU *cpu = opaque;
  
      if (kvm_enabled()) {
          kvm_s390_vcpu_interrupt_pre_save(cpu);
      }
  }
  
  static inline bool fpu_needed(void *opaque)
  {
      /* This looks odd, but we might want to NOT transfer fprs in the future */
      return true;
  }
  
  const VMStateDescription vmstate_fpu = {
      .name = "cpu/fpu",
      .version_id = 1,
      .minimum_version_id = 1,
      .needed = fpu_needed,
      .fields = (VMStateField[]) {
          VMSTATE_UINT64(env.vregs[0][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[1][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[2][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[3][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[4][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[5][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[6][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[7][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[8][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[9][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[10][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[11][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[12][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[13][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[14][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[15][0].ll, S390CPU),
          VMSTATE_UINT32(env.fpc, S390CPU),
          VMSTATE_END_OF_LIST()
      }
  };
  
  const VMStateDescription vmstate_vregs = {
      .name = "cpu/vregs",
      .version_id = 1,
      .minimum_version_id = 1,
      .needed = vregs_needed,
      .fields = (VMStateField[]) {
          /* vregs[0][0] -> vregs[15][0] and fregs are overlays */
          VMSTATE_UINT64(env.vregs[16][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[17][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[18][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[19][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[20][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[21][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[22][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[23][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[24][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[25][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[26][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[27][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[28][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[29][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[30][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[31][0].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[0][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[1][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[2][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[3][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[4][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[5][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[6][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[7][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[8][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[9][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[10][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[11][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[12][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[13][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[14][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[15][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[16][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[17][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[18][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[19][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[20][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[21][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[22][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[23][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[24][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[25][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[26][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[27][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[28][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[29][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[30][1].ll, S390CPU),
          VMSTATE_UINT64(env.vregs[31][1].ll, S390CPU),
          VMSTATE_END_OF_LIST()
      }
  };
  
  const VMStateDescription vmstate_s390_cpu = {
      .name = "cpu",
      .post_load = cpu_post_load,
      .pre_save = cpu_pre_save,
      .version_id = 4,
      .minimum_version_id = 3,
      .fields      = (VMStateField[]) {
          VMSTATE_UINT64_ARRAY(env.regs, S390CPU, 16),
          VMSTATE_UINT64(env.psw.mask, S390CPU),
          VMSTATE_UINT64(env.psw.addr, S390CPU),
          VMSTATE_UINT64(env.psa, S390CPU),
          VMSTATE_UINT32(env.todpr, S390CPU),
          VMSTATE_UINT64(env.pfault_token, S390CPU),
          VMSTATE_UINT64(env.pfault_compare, S390CPU),
          VMSTATE_UINT64(env.pfault_select, S390CPU),
          VMSTATE_UINT64(env.cputm, S390CPU),
          VMSTATE_UINT64(env.ckc, S390CPU),
          VMSTATE_UINT64(env.gbea, S390CPU),
          VMSTATE_UINT64(env.pp, S390CPU),
          VMSTATE_UINT32_ARRAY(env.aregs, S390CPU, 16),
          VMSTATE_UINT64_ARRAY(env.cregs, S390CPU, 16),
          VMSTATE_UINT8(env.cpu_state, S390CPU),
          VMSTATE_UINT8(env.sigp_order, S390CPU),
          VMSTATE_UINT32_V(irqstate_saved_size, S390CPU, 4),
          VMSTATE_VBUFFER_UINT32(irqstate, S390CPU, 4, NULL, 0,
                                 irqstate_saved_size),
          VMSTATE_END_OF_LIST()
      },
      .subsections = (const VMStateDescription*[]) {
          &vmstate_fpu,
          &vmstate_vregs,
          NULL
      },
  };
  