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 "exec-all.h"
  17 #include "gdbstub.h"
  18 #include "kvm.h"
  19
  20 int kvm_irqchip_in_kernel(void)
  21 {
  22     return 0;
  23 }
  24
  25 int kvm_pit_in_kernel(void)
  26 {
  27     return 0;
  28 }
  29
  30
  31 int kvm_init_vcpu(CPUState *env)
  32 {
  33     return -ENOSYS;
  34 }
  35
  36 int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size)
  37 {
  38     return -ENOSYS;
  39 }
  40
  41 int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size)
  42 {
  43     return -ENOSYS;
  44 }
  45
  46 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  47 {
  48     return -ENOSYS;
  49 }
  50
  51 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  52 {
  53     return -ENOSYS;
  54 }
  55
  56 int kvm_check_extension(KVMState *s, unsigned int extension)
  57 {
  58     return 0;
  59 }
  60
  61 int kvm_init(void)
  62 {
  63     return -ENOSYS;
  64 }
  65
  66 void kvm_flush_coalesced_mmio_buffer(void)
  67 {
  68 }
  69
  70 void kvm_cpu_synchronize_state(CPUState *env)
  71 {
  72 }
  73
  74 void kvm_cpu_synchronize_post_reset(CPUState *env)
  75 {
  76 }
  77
  78 void kvm_cpu_synchronize_post_init(CPUState *env)
  79 {
  80 }
  81
  82 int kvm_cpu_exec(CPUState *env)
  83 {
  84     abort ();
  85 }
  86
  87 int kvm_has_sync_mmu(void)
  88 {
  89     return 0;
  90 }
  91
  92 int kvm_has_vcpu_events(void)
  93 {
  94     return 0;
  95 }
  96
  97 int kvm_has_robust_singlestep(void)
  98 {
  99     return 0;
 100 }
 101
 102 int kvm_has_many_ioeventfds(void)
 103 {
 104     return 0;
 105 }
 106
 107 void kvm_setup_guest_memory(void *start, size_t size)
 108 {
 109 }
 110
 111 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
 112 {
 113     tb_flush(env);
 114     return 0;
 115 }
 116
 117 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
 118                           target_ulong len, int type)
 119 {
 120     return -EINVAL;
 121 }
 122
 123 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
 124                           target_ulong len, int type)
 125 {
 126     return -EINVAL;
 127 }
 128
 129 void kvm_remove_all_breakpoints(CPUState *current_env)
 130 {
 131 }
 132
 133 #ifndef _WIN32
 134 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
 135 {
 136     abort();
 137 }
 138 #endif
 139
 140 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 141 {
 142     return -ENOSYS;
 143 }
 144
 145 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign)
 146 {
 147     return -ENOSYS;
 148 }
 149
 150 int kvm_on_sigbus(int code, void *addr)
 151 {
 152     return 1;
 153 }