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 KVMState *kvm_state;
  20
  21 int kvm_pit_in_kernel(void)
  22 {
  23     return 0;
  24 }
  25
  26
  27 int kvm_init_vcpu(CPUState *env)
  28 {
  29     return -ENOSYS;
  30 }
  31
  32 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  33 {
  34     return -ENOSYS;
  35 }
  36
  37 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  38 {
  39     return -ENOSYS;
  40 }
  41
  42 int kvm_init(void)
  43 {
  44     return -ENOSYS;
  45 }
  46
  47 void kvm_flush_coalesced_mmio_buffer(void)
  48 {
  49 }
  50
  51 void kvm_cpu_synchronize_state(CPUState *env)
  52 {
  53 }
  54
  55 void kvm_cpu_synchronize_post_reset(CPUState *env)
  56 {
  57 }
  58
  59 void kvm_cpu_synchronize_post_init(CPUState *env)
  60 {
  61 }
  62
  63 int kvm_cpu_exec(CPUState *env)
  64 {
  65     abort ();
  66 }
  67
  68 int kvm_has_sync_mmu(void)
  69 {
  70     return 0;
  71 }
  72
  73 int kvm_has_many_ioeventfds(void)
  74 {
  75     return 0;
  76 }
  77
  78 int kvm_allows_irq0_override(void)
  79 {
  80     return 1;
  81 }
  82
  83 int kvm_has_pit_state2(void)
  84 {
  85     return 0;
  86 }
  87
  88 void kvm_setup_guest_memory(void *start, size_t size)
  89 {
  90 }
  91
  92 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
  93 {
  94     return -ENOSYS;
  95 }
  96
  97 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
  98                           target_ulong len, int type)
  99 {
 100     return -EINVAL;
 101 }
 102
 103 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
 104                           target_ulong len, int type)
 105 {
 106     return -EINVAL;
 107 }
 108
 109 void kvm_remove_all_breakpoints(CPUState *current_env)
 110 {
 111 }
 112
 113 #ifndef _WIN32
 114 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
 115 {
 116     abort();
 117 }
 118 #endif
 119
 120 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 121 {
 122     return -ENOSYS;
 123 }
 124
 125 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign)
 126 {
 127     return -ENOSYS;
 128 }
 129
 130 int kvm_has_gsi_routing(void)
 131 {
 132     return 0;
 133 }
 134
 135 int kvm_get_irq_route_gsi(void)
 136 {
 137     return -ENOSYS;
 138 }
 139
 140 int kvm_msi_message_add(KVMMsiMessage *msg)
 141 {
 142     return -ENOSYS;
 143 }
 144
 145 int kvm_msi_message_del(KVMMsiMessage *msg)
 146 {
 147     return -ENOSYS;
 148 }
 149
 150 int kvm_msi_message_update(KVMMsiMessage *old, KVMMsiMessage *new)
 151 {
 152     return -ENOSYS;
 153 }
 154
 155 int kvm_irqchip_commit_routes(KVMState *s)
 156 {
 157     return -ENOSYS;
 158 }
 159
 160 int kvm_irqchip_set_irq(KVMState *s, int irq, int level)
 161 {
 162     assert(0);
 163     return -ENOSYS;
 164 }
 165
 166 int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
 167 {
 168     return 1;
 169 }
 170
 171 int kvm_on_sigbus(int code, void *addr)
 172 {
 173     return 1;
 174 }
 175
 176 int kvm_set_irqfd(int gsi, int fd, bool assigned)
 177 {
 178     return -ENOSYS;
 179 }