hyper-v: introduce Hyper-V support infrastructure.
[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 "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_init(void)
46 {
47 return -ENOSYS;
48 }
49
50 void kvm_flush_coalesced_mmio_buffer(void)
51 {
52 }
53
54 void kvm_cpu_synchronize_state(CPUState *env)
55 {
56 }
57
58 void kvm_cpu_synchronize_post_reset(CPUState *env)
59 {
60 }
61
62 void kvm_cpu_synchronize_post_init(CPUState *env)
63 {
64 }
65
66 int kvm_cpu_exec(CPUState *env)
67 {
68 abort ();
69 }
70
71 int kvm_has_sync_mmu(void)
72 {
73 return 0;
74 }
75
76 int kvm_has_many_ioeventfds(void)
77 {
78 return 0;
79 }
80
81 void kvm_setup_guest_memory(void *start, size_t size)
82 {
83 }
84
85 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
86 {
87 return -ENOSYS;
88 }
89
90 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
91 target_ulong len, int type)
92 {
93 return -EINVAL;
94 }
95
96 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
97 target_ulong len, int type)
98 {
99 return -EINVAL;
100 }
101
102 void kvm_remove_all_breakpoints(CPUState *current_env)
103 {
104 }
105
106 #ifndef _WIN32
107 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
108 {
109 abort();
110 }
111 #endif
112
113 int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
114 {
115 return -ENOSYS;
116 }
117
118 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign)
119 {
120 return -ENOSYS;
121 }
122
123 int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
124 {
125 return 1;
126 }
127
128 int kvm_on_sigbus(int code, void *addr)
129 {
130 return 1;
131 }