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 "hw/msi.h"
  16 #include "cpu.h"
  17 #include "gdbstub.h"
  18 #include "kvm.h"
  19
  20 KVMState *kvm_state;
  21 bool kvm_kernel_irqchip;
  22
  23 int kvm_init_vcpu(CPUArchState *env)
  24 {
  25     return -ENOSYS;
  26 }
  27
  28 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  29 {
  30     return -ENOSYS;
  31 }
  32
  33 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
  34 {
  35     return -ENOSYS;
  36 }
  37
  38 int kvm_init(void)
  39 {
  40     return -ENOSYS;
  41 }
  42
  43 void kvm_flush_coalesced_mmio_buffer(void)
  44 {
  45 }
  46
  47 void kvm_cpu_synchronize_state(CPUArchState *env)
  48 {
  49 }
  50
  51 void kvm_cpu_synchronize_post_reset(CPUArchState *env)
  52 {
  53 }
  54
  55 void kvm_cpu_synchronize_post_init(CPUArchState *env)
  56 {
  57 }
  58
  59 int kvm_cpu_exec(CPUArchState *env)
  60 {
  61     abort ();
  62 }
  63
  64 int kvm_has_sync_mmu(void)
  65 {
  66     return 0;
  67 }
  68
  69 int kvm_has_many_ioeventfds(void)
  70 {
  71     return 0;
  72 }
  73
  74 int kvm_allows_irq0_override(void)
  75 {
  76     return 1;
  77 }
  78
  79 int kvm_has_pit_state2(void)
  80 {
  81     return 0;
  82 }
  83
  84 void kvm_setup_guest_memory(void *start, size_t size)
  85 {
  86 }
  87
  88 int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
  89 {
  90     return -ENOSYS;
  91 }
  92
  93 int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
  94                           target_ulong len, int type)
  95 {
  96     return -EINVAL;
  97 }
  98
  99 int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
 100                           target_ulong len, int type)
 101 {
 102     return -EINVAL;
 103 }
 104
 105 void kvm_remove_all_breakpoints(CPUArchState *current_env)
 106 {
 107 }
 108
 109 #ifndef _WIN32
 110 int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset)
 111 {
 112     abort();
 113 }
 114 #endif
 115
 116 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
 117 {
 118     return -ENOSYS;
 119 }
 120
 121 int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign, uint32_t len)
 122 {
 123     return -ENOSYS;
 124 }
 125
 126 int kvm_on_sigbus_vcpu(CPUArchState *env, int code, void *addr)
 127 {
 128     return 1;
 129 }
 130
 131 int kvm_on_sigbus(int code, void *addr)
 132 {
 133     return 1;
 134 }
 135
 136 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
 137 {
 138     return -ENOSYS;
 139 }
 140
 141 void kvm_irqchip_release_virq(KVMState *s, int virq)
 142 {
 143 }
 144
 145 int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq)
 146 {
 147     return -ENOSYS;
 148 }
 149
 150 int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq)
 151 {
 152     return -ENOSYS;
 153 }