kvm-stub.c

   1 /*
   2  * QEMU KVM stub
   3  *
   4  * Copyright Red Hat, Inc. 2010
   5  *
   6  * Author: Paolo Bonzini     <pbonzini@redhat.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9  * See the COPYING file in the top-level directory.
  10  *
  11  */
  12
  13 #include "qemu-common.h"
  14 #include "sysemu.h"
  15 #include "hw/hw.h"
  16 #include "gdbstub.h"
  17 #include "kvm.h"
  18
  19 int kvm_irqchip_in_kernel(void)
  20 {
  21     return 0;
  22 }
  23
  24 int kvm_pit_in_kernel(void)
  25 {
  26     return 0;
  27 }
  28
  29
  30 int kvm_init_vcpu(CPUState *env)
  31 {
  32     return -ENOSYS;
  33 }
  34
  35 int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size)
  36 {
  37     return -ENOSYS;
  38 }
  39
  40 int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size)
  41 {
  42     return -ENOSYS;
  43 }
  44
  45 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  46 {
  47     return -ENOSYS;
  48 }
  49
  50 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  51 {
  52     return -ENOSYS;
  53 }
  54
  55 int kvm_check_extension(KVMState *s, unsigned int extension)
  56 {
  57     return 0;
  58 }
  59
  60 int kvm_init(int smp_cpus)
  61 {
  62     return -ENOSYS;
  63 }
  64
  65 void kvm_flush_coalesced_mmio_buffer(void)
  66 {
  67 }
  68
  69 void kvm_cpu_synchronize_state(CPUState *env)
  70 {
  71 }
  72
  73 void kvm_cpu_synchronize_post_reset(CPUState *env)
  74 {
  75 }
  76
  77 void kvm_cpu_synchronize_post_init(CPUState *env)
  78 {
  79 }
  80
  81 int kvm_cpu_exec(CPUState *env)
  82 {
  83     abort ();
  84 }
  85
  86 int kvm_has_sync_mmu(void)
  87 {
  88     return 0;
  89 }
  90
  91 int kvm_has_vcpu_events(void)
  92 {
  93     return 0;
  94 }
  95
  96 int kvm_has_robust_singlestep(void)
  97 {
  98     return 0;
  99 }
 100
 101 void kvm_setup_guest_memory(void *start, size_t size)
 102 {
 103 }
 104
 105 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
 106 {
 107     tb_flush(env);
 108     return 0;
 109 }
 110
 111 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
 112                           target_ulong len, int type)
 113 {
 114     return -EINVAL;
 115 }
 116
 117 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
 118                           target_ulong len, int type)
 119 {
 120     return -EINVAL;
 121 }
 122
 123 void kvm_remove_all_breakpoints(CPUState *current_env)
 124 {
 125 }
 126
 127 #ifndef _WIN32
 128 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
 129 {
 130     abort();
 131 }
 132 #endif
 133
 134 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 135 {
 136     return -ENOSYS;
 137 }