void s390_handle_wait(S390CPU *cpu)
{
CPUState *cs = CPU(cpu);
if (s390_cpu_halt(cpu) == 0) {
#ifndef CONFIG_USER_ONLY
if (is_special_wait_psw(cpu->env.psw.addr)) {
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
} else {
cpu->env.crash_reason = S390_CRASH_REASON_DISABLED_WAIT;
qemu_system_guest_panicked(cpu_get_crash_info(cs));
}
#endif
}
}
static int whpx_vcpu_run(CPUState *cpu)
{
HRESULT hr;
struct whpx_state *whpx = &whpx_global;
struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu);
int ret;
whpx_vcpu_process_async_events(cpu);
if (cpu->halted) {
cpu->exception_index = EXCP_HLT;
atomic_set(&cpu->exit_request, false);
return 0;
}
qemu_mutex_unlock_iothread();
cpu_exec_start(cpu);
do {
if (cpu->vcpu_dirty) {
whpx_set_registers(cpu);
cpu->vcpu_dirty = false;
}
whpx_vcpu_pre_run(cpu);
if (atomic_read(&cpu->exit_request)) {
whpx_vcpu_kick(cpu);
}
hr = WHvRunVirtualProcessor(whpx->partition, cpu->cpu_index,
&vcpu->exit_ctx, sizeof(vcpu->exit_ctx));
if (FAILED(hr)) {
error_report("WHPX: Failed to exec a virtual processor,"
" hr=%08lx", hr);
ret = -1;
break;
}
whpx_vcpu_post_run(cpu);
switch (vcpu->exit_ctx.ExitReason) {
case WHvRunVpExitReasonMemoryAccess:
ret = whpx_handle_mmio(cpu, &vcpu->exit_ctx.MemoryAccess);
break;
case WHvRunVpExitReasonX64IoPortAccess:
ret = whpx_handle_portio(cpu, &vcpu->exit_ctx.IoPortAccess);
break;
case WHvRunVpExitReasonX64InterruptWindow:
vcpu->window_registered = 0;
break;
case WHvRunVpExitReasonX64Halt:
ret = whpx_handle_halt(cpu);
break;
case WHvRunVpExitReasonCanceled:
cpu->exception_index = EXCP_INTERRUPT;
ret = 1;
break;
case WHvRunVpExitReasonNone:
case WHvRunVpExitReasonUnrecoverableException:
case WHvRunVpExitReasonInvalidVpRegisterValue:
case WHvRunVpExitReasonUnsupportedFeature:
case WHvRunVpExitReasonX64MsrAccess:
case WHvRunVpExitReasonX64Cpuid:
case WHvRunVpExitReasonException:
default:
error_report("WHPX: Unexpected VP exit code %d",
vcpu->exit_ctx.ExitReason);
whpx_get_registers(cpu);
qemu_mutex_lock_iothread();
qemu_system_guest_panicked(cpu_get_crash_info(cpu));
qemu_mutex_unlock_iothread();
break;
}
} while (!ret);
cpu_exec_end(cpu);
qemu_mutex_lock_iothread();
current_cpu = cpu;
atomic_set(&cpu->exit_request, false);
return ret < 0;
}