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