qemu-kvm-ia64.c

   1
   2 #include "config.h"
   3 #include "config-host.h"
   4
   5 #include <string.h>
   6
   7 #include "hw/hw.h"
   8 #include "qemu-kvm.h"
   9 #include <libkvm.h>
  10 #include <pthread.h>
  11 #include <sys/utsname.h>
  12
  13
  14 extern kvm_context_t kvm_context;
  15
  16 int kvm_arch_qemu_create_context(void)
  17 {
  18         return 0;
  19 }
  20
  21 void kvm_arch_load_regs(CPUState *env)
  22 {
  23 }
  24
  25
  26 void kvm_arch_save_regs(CPUState *env)
  27 {
  28 }
  29
  30 int kvm_arch_qemu_init_env(CPUState *cenv)
  31 {
  32     return 0;
  33 }
  34
  35 int kvm_arch_halt(void *opaque, int vcpu)
  36 {
  37     CPUState *env = cpu_single_env;
  38     env->hflags |= HF_HALTED_MASK;
  39     env->exception_index = EXCP_HLT;
  40     return 1;
  41 }
  42
  43 void kvm_arch_pre_kvm_run(void *opaque, int vcpu)
  44 {
  45 }
  46
  47 void kvm_arch_post_kvm_run(void *opaque, int vcpu)
  48 {
  49 }
  50
  51 int kvm_arch_has_work(CPUState *env)
  52 {
  53         return 1;
  54 }
  55
  56 int kvm_arch_try_push_interrupts(void *opaque)
  57 {
  58         return 1;
  59 }
  60
  61 void kvm_arch_update_regs_for_sipi(CPUState *env)
  62 {
  63 }
  64
  65 void kvm_save_mpstate(CPUState *env)
  66 {
  67 #ifdef KVM_CAP_MP_STATE
  68     int r;
  69     struct kvm_mp_state mp_state;
  70
  71     r = kvm_get_mpstate(kvm_context, env->cpu_index, &mp_state);
  72     if (r < 0)
  73         env->mp_state = -1;
  74     else
  75         env->mp_state = mp_state.mp_state;
  76 #endif
  77 }
  78
  79 void kvm_load_mpstate(CPUState *env)
  80 {
  81 #ifdef KVM_CAP_MP_STATE
  82     struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
  83
  84     /*
  85      * -1 indicates that the host did not support GET_MP_STATE ioctl,
  86      *  so don't touch it.
  87      */
  88     if (env->mp_state != -1)
  89         kvm_set_mpstate(kvm_context, env->cpu_index, &mp_state);
  90 #endif
  91 }
  92
  93 void kvm_arch_cpu_reset(CPUState *env)
  94 {
  95     if (kvm_irqchip_in_kernel(kvm_context)) {
  96 #ifdef KVM_CAP_MP_STATE
  97         kvm_reset_mpstate(kvm_context, env->cpu_index);
  98 #endif
  99     } else {
 100         env->interrupt_request &= ~CPU_INTERRUPT_HARD;
 101         env->halted = 1;
 102         env->exception_index = EXCP_HLT;
 103     }
 104 }