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 39 static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) 40 { 41 /* nothing */ 42 } 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