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 "exec-all.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_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  36 {
  37     return -ENOSYS;
  38 }
  39
  40 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  41 {
  42     return -ENOSYS;
  43 }
  44
  45 int kvm_init(void)
  46 {
  47     return -ENOSYS;
  48 }
  49
  50 void kvm_flush_coalesced_mmio_buffer(void)
  51 {
  52 }
  53
  54 void kvm_cpu_synchronize_state(CPUState *env)
  55 {
  56 }
  57
  58 void kvm_cpu_synchronize_post_reset(CPUState *env)
  59 {
  60 }
  61
  62 void kvm_cpu_synchronize_post_init(CPUState *env)
  63 {
  64 }
  65
  66 int kvm_cpu_exec(CPUState *env)
  67 {
  68     abort ();
  69 }
  70
  71 int kvm_has_sync_mmu(void)
  72 {
  73     return 0;
  74 }
  75
  76 int kvm_has_many_ioeventfds(void)
  77 {
  78     return 0;
  79 }
  80
  81 int kvm_allows_irq0_override(void)
  82 {
  83     return 1;
  84 }
  85
  86 int kvm_has_pit_state2(void)
  87 {
  88     return 0;
  89 }
  90
  91 void kvm_setup_guest_memory(void *start, size_t size)
  92 {
  93 }
  94
  95 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
  96 {
  97     return -ENOSYS;
  98 }
  99
 100 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
 101                           target_ulong len, int type)
 102 {
 103     return -EINVAL;
 104 }
 105
 106 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
 107                           target_ulong len, int type)
 108 {
 109     return -EINVAL;
 110 }
 111
 112 void kvm_remove_all_breakpoints(CPUState *current_env)
 113 {
 114 }
 115
 116 #ifndef _WIN32
 117 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
 118 {
 119     abort();
 120 }
 121 #endif
 122
 123 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 124 {
 125     return -ENOSYS;
 126 }
 127
 128 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign)
 129 {
 130     return -ENOSYS;
 131 }
 132
 133 int kvm_has_gsi_routing(void)
 134 {
 135     return 0;
 136 }
 137
 138 int kvm_get_irq_route_gsi(void)
 139 {
 140     return -ENOSYS;
 141 }
 142
 143 int kvm_msi_message_add(KVMMsiMessage *msg)
 144 {
 145     return -ENOSYS;
 146 }
 147
 148 int kvm_msi_message_del(KVMMsiMessage *msg)
 149 {
 150     return -ENOSYS;
 151 }
 152
 153 int kvm_msi_message_update(KVMMsiMessage *old, KVMMsiMessage *new)
 154 {
 155     return -ENOSYS;
 156 }
 157
 158 int kvm_commit_irq_routes(void)
 159 {
 160     return -ENOSYS;
 161 }
 162
 163 int kvm_set_irq(int irq, int level, int *status)
 164 {
 165     assert(0);
 166     return -ENOSYS;
 167 }
 168
 169 int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
 170 {
 171     return 1;
 172 }
 173
 174 int kvm_on_sigbus(int code, void *addr)
 175 {
 176     return 1;
 177 }
 178
 179 int kvm_set_irqfd(int gsi, int fd, bool assigned)
 180 {
 181     return -ENOSYS;
 182 }