qemu-kvm-ia64.c

   1 #include "config.h"
   2 #include "config-host.h"
   3
   4 #include <string.h>
   5
   6 #include "hw/hw.h"
   7 #include "qemu-kvm.h"
   8 #include <libkvm.h>
   9 #include <pthread.h>
  10 #include <sys/utsname.h>
  11
  12
  13 extern kvm_context_t kvm_context;
  14
  15 int kvm_arch_qemu_create_context(void)
  16 {
  17     return 0;
  18 }
  19
  20 void kvm_arch_load_regs(CPUState *env)
  21 {
  22 }
  23
  24
  25 void kvm_arch_save_regs(CPUState *env)
  26 {
  27 }
  28
  29 int kvm_arch_qemu_init_env(CPUState *cenv)
  30 {
  31     return 0;
  32 }
  33
  34 int kvm_arch_halt(void *opaque, int vcpu)
  35 {
  36     CPUState *env = cpu_single_env;
  37     env->hflags |= HF_HALTED_MASK;
  38     env->exception_index = EXCP_HLT;
  39     return 1;
  40 }
  41
  42 void kvm_arch_pre_kvm_run(void *opaque, int vcpu)
  43 {
  44 }
  45
  46 void kvm_arch_post_kvm_run(void *opaque, int vcpu)
  47 {
  48 }
  49
  50 int kvm_arch_has_work(CPUState *env)
  51 {
  52     return 1;
  53 }
  54
  55 int kvm_arch_try_push_interrupts(void *opaque)
  56 {
  57     return 1;
  58 }
  59
  60 int kvm_arch_try_push_nmi(void *opaque)
  61 {
  62     return 1;
  63 }
  64
  65 void kvm_arch_update_regs_for_sipi(CPUState *env)
  66 {
  67 }
  68
  69 void kvm_save_mpstate(CPUState *env)
  70 {
  71 #ifdef KVM_CAP_MP_STATE
  72     int r;
  73     struct kvm_mp_state mp_state;
  74
  75     r = kvm_get_mpstate(kvm_context, env->cpu_index, &mp_state);
  76     if (r < 0)
  77         env->mp_state = -1;
  78     else
  79         env->mp_state = mp_state.mp_state;
  80 #endif
  81 }
  82
  83 void kvm_load_mpstate(CPUState *env)
  84 {
  85 #ifdef KVM_CAP_MP_STATE
  86     struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
  87
  88     /*
  89      * -1 indicates that the host did not support GET_MP_STATE ioctl,
  90      *  so don't touch it.
  91      */
  92     if (env->mp_state != -1)
  93         kvm_set_mpstate(kvm_context, env->cpu_index, &mp_state);
  94 #endif
  95 }
  96
  97 void kvm_arch_cpu_reset(CPUState *env)
  98 {
  99     if (kvm_irqchip_in_kernel(kvm_context)) {
 100 #ifdef KVM_CAP_MP_STATE
 101         kvm_reset_mpstate(kvm_context, env->cpu_index);
 102 #endif
 103     } else {
 104         env->interrupt_request &= ~CPU_INTERRUPT_HARD;
 105         env->halted = 1;
 106         env->exception_index = EXCP_HLT;
 107     }
 108 }