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 "hw/hw.h"
  15 #include "cpu.h"
  16 #include "gdbstub.h"
  17 #include "kvm.h"
  18
  19 int kvm_pit_in_kernel(void)
  20 {
  21     return 0;
  22 }
  23
  24
  25 int kvm_init_vcpu(CPUArchState *env)
  26 {
  27     return -ENOSYS;
  28 }
  29
  30 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  31 {
  32     return -ENOSYS;
  33 }
  34
  35 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  36 {
  37     return -ENOSYS;
  38 }
  39
  40 int kvm_init(void)
  41 {
  42     return -ENOSYS;
  43 }
  44
  45 void kvm_flush_coalesced_mmio_buffer(void)
  46 {
  47 }
  48
  49 void kvm_cpu_synchronize_state(CPUArchState *env)
  50 {
  51 }
  52
  53 void kvm_cpu_synchronize_post_reset(CPUArchState *env)
  54 {
  55 }
  56
  57 void kvm_cpu_synchronize_post_init(CPUArchState *env)
  58 {
  59 }
  60
  61 int kvm_cpu_exec(CPUArchState *env)
  62 {
  63     abort ();
  64 }
  65
  66 int kvm_has_sync_mmu(void)
  67 {
  68     return 0;
  69 }
  70
  71 int kvm_has_many_ioeventfds(void)
  72 {
  73     return 0;
  74 }
  75
  76 int kvm_allows_irq0_override(void)
  77 {
  78     return 1;
  79 }
  80
  81 int kvm_has_pit_state2(void)
  82 {
  83     return 0;
  84 }
  85
  86 void kvm_setup_guest_memory(void *start, size_t size)
  87 {
  88 }
  89
  90 int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
  91 {
  92     return -ENOSYS;
  93 }
  94
  95 int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
  96                           target_ulong len, int type)
  97 {
  98     return -EINVAL;
  99 }
 100
 101 int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
 102                           target_ulong len, int type)
 103 {
 104     return -EINVAL;
 105 }
 106
 107 void kvm_remove_all_breakpoints(CPUArchState *current_env)
 108 {
 109 }
 110
 111 #ifndef _WIN32
 112 int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset)
 113 {
 114     abort();
 115 }
 116 #endif
 117
 118 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 119 {
 120     return -ENOSYS;
 121 }
 122
 123 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign)
 124 {
 125     return -ENOSYS;
 126 }
 127
 128 int kvm_on_sigbus_vcpu(CPUArchState *env, int code, void *addr)
 129 {
 130     return 1;
 131 }
 132
 133 int kvm_on_sigbus(int code, void *addr)
 134 {
 135     return 1;
 136 }