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_check_extension(KVMState *s, unsigned int extension)
  46 {
  47     return 0;
  48 }
  49
  50 int kvm_init(void)
  51 {
  52     return -ENOSYS;
  53 }
  54
  55 void kvm_flush_coalesced_mmio_buffer(void)
  56 {
  57 }
  58
  59 void kvm_cpu_synchronize_state(CPUState *env)
  60 {
  61 }
  62
  63 void kvm_cpu_synchronize_post_reset(CPUState *env)
  64 {
  65 }
  66
  67 void kvm_cpu_synchronize_post_init(CPUState *env)
  68 {
  69 }
  70
  71 int kvm_cpu_exec(CPUState *env)
  72 {
  73     abort ();
  74 }
  75
  76 int kvm_has_sync_mmu(void)
  77 {
  78     return 0;
  79 }
  80
  81 int kvm_has_vcpu_events(void)
  82 {
  83     return 0;
  84 }
  85
  86 int kvm_has_robust_singlestep(void)
  87 {
  88     return 0;
  89 }
  90
  91 int kvm_has_many_ioeventfds(void)
  92 {
  93     return 0;
  94 }
  95
  96 int kvm_allows_irq0_override(void)
  97 {
  98     return 1;
  99 }
 100
 101 int kvm_has_pit_state2(void)
 102 {
 103     return 0;
 104 }
 105
 106 void kvm_setup_guest_memory(void *start, size_t size)
 107 {
 108 }
 109
 110 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
 111 {
 112     tb_flush(env);
 113     return 0;
 114 }
 115
 116 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
 117                           target_ulong len, int type)
 118 {
 119     return -EINVAL;
 120 }
 121
 122 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
 123                           target_ulong len, int type)
 124 {
 125     return -EINVAL;
 126 }
 127
 128 void kvm_remove_all_breakpoints(CPUState *current_env)
 129 {
 130 }
 131
 132 #ifndef _WIN32
 133 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
 134 {
 135     abort();
 136 }
 137 #endif
 138
 139 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 140 {
 141     return -ENOSYS;
 142 }
 143
 144 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign)
 145 {
 146     return -ENOSYS;
 147 }
 148
 149 int kvm_has_gsi_routing(void)
 150 {
 151     return 0;
 152 }
 153
 154 int kvm_get_irq_route_gsi(void)
 155 {
 156     return -ENOSYS;
 157 }
 158
 159 int kvm_add_msix(uint32_t gsi, uint32_t addr_lo,
 160                  uint32_t addr_hi, uint32_t data)
 161 {
 162     return -ENOSYS;
 163 }
 164
 165 int kvm_del_msix(uint32_t gsi, uint32_t addr_lo,
 166                  uint32_t addr_hi, uint32_t data)
 167 {
 168     return -ENOSYS;
 169 }
 170
 171 int kvm_update_msix(uint32_t old_gsi, uint32_t old_addr_lo,
 172                     uint32_t old_addr_hi, uint32_t old_data,
 173                     uint32_t new_gsi, uint32_t new_addr_lo,
 174                     uint32_t new_addr_hi, uint32_t new_data)
 175 {
 176     return -ENOSYS;
 177 }
 178
 179 int kvm_commit_irq_routes(void)
 180 {
 181     return -ENOSYS;
 182 }
 183
 184 int kvm_set_irq(int irq, int level, int *status)
 185 {
 186     assert(0);
 187     return -ENOSYS;
 188 }
 189
 190 int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
 191 {
 192     return 1;
 193 }
 194
 195 int kvm_on_sigbus(int code, void *addr)
 196 {
 197     return 1;
 198 }