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