1 /*
2 * QEMU Xen support
3 *
4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8 /* header to be included in non-Xen-specific code */
9
10 #ifndef SYSEMU_XEN_H
11 #define SYSEMU_XEN_H
12
13 #include "exec/cpu-common.h"
14
15 #ifdef NEED_CPU_H
16 # ifdef CONFIG_XEN
17 # define CONFIG_XEN_IS_POSSIBLE
18 # endif
19 #else
20 # define CONFIG_XEN_IS_POSSIBLE
21 #endif
22
23 #ifdef CONFIG_XEN_IS_POSSIBLE
24
25 extern bool xen_allowed;
26
27 #define xen_enabled() (xen_allowed)
28
29 #ifndef CONFIG_USER_ONLY
30 void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
31 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
32 struct MemoryRegion *mr, Error **errp);
33 #endif
34
35 #else /* !CONFIG_XEN_IS_POSSIBLE */
36
37 #define xen_enabled() 0
38 #ifndef CONFIG_USER_ONLY
xen_hvm_modified_memory(ram_addr_t start,ram_addr_t length)39 static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
40 {
41 /* nothing */
42 }
xen_ram_alloc(ram_addr_t ram_addr,ram_addr_t size,MemoryRegion * mr,Error ** errp)43 static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
44 MemoryRegion *mr, Error **errp)
45 {
46 g_assert_not_reached();
47 }
48 #endif
49
50 #endif /* CONFIG_XEN_IS_POSSIBLE */
51
52 #endif
53