1 /* Common header file that is included by all of qemu. */
5 #include "config-host.h"
7 #define QEMU_NORETURN __attribute__ ((__noreturn__))
8 #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
9 #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
11 #define QEMU_WARN_UNUSED_RESULT
14 #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1];
16 typedef struct QEMUTimer QEMUTimer;
17 typedef struct QEMUFile QEMUFile;
18 typedef struct QEMUBH QEMUBH;
19 typedef struct DeviceState DeviceState;
21 /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
22 cannot include the following headers without conflicts. This condition has
23 to be removed once dyngen is gone. */
24 #ifndef __DYNGEN_EXEC_H__
26 /* we put basic includes here to avoid repeating them in device drivers */
50 #define MAP_ANONYMOUS MAP_ANON
53 #define ENOMEDIUM ENODEV
66 * Use the same value as Linux for now.
74 # if (__GNUC__ < 4) || \
75 defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4)
76 /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */
77 # define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2)))
78 # define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m)))
80 /* Use gnu_printf when supported (qemu uses standard format strings). */
81 # define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2)))
82 # define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
86 #define GCC_FMT_ATTR(n, m)
91 #define lseek _lseeki64
92 extern int qemu_ftruncate64(int, int64_t);
93 #define ftruncate qemu_ftruncate64
95 static inline char *realpath(const char *path, char *resolved_path)
97 _fullpath(resolved_path, path, _MAX_PATH);
101 #define PRId64 "I64d"
102 #define PRIx64 "I64x"
103 #define PRIu64 "I64u"
104 #define PRIo64 "I64o"
107 /* FIXME: Remove NEED_CPU_H. */
118 #endif /* !defined(NEED_CPU_H) */
121 typedef void QEMUBHFunc(void *opaque);
123 void async_context_push(void);
124 void async_context_pop(void);
125 int get_async_context_id(void);
127 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
128 void qemu_bh_schedule(QEMUBH *bh);
129 /* Bottom halfs that are scheduled from a bottom half handler are instantly
130 * invoked. This can create an infinite loop if a bottom half handler
131 * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
132 * ensuring that the bottom half isn't executed until the next main loop
135 void qemu_bh_schedule_idle(QEMUBH *bh);
136 void qemu_bh_cancel(QEMUBH *bh);
137 void qemu_bh_delete(QEMUBH *bh);
138 int qemu_bh_poll(void);
139 void qemu_bh_update_timeout(int *timeout);
141 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
143 void qemu_get_timedate(struct tm *tm, int offset);
144 int qemu_timedate_diff(struct tm *tm);
147 void pstrcpy(char *buf, int buf_size, const char *str);
148 char *pstrcat(char *buf, int buf_size, const char *s);
149 int strstart(const char *str, const char *val, const char **ptr);
150 int stristart(const char *str, const char *val, const char **ptr);
151 int qemu_strnlen(const char *s, int max_len);
152 time_t mktimegm(struct tm *tm);
154 int qemu_fdatasync(int fd);
155 int fcntl_setfl(int fd, int flag);
158 void init_paths(const char *prefix);
159 const char *path(const char *pathname);
161 #define qemu_isalnum(c) isalnum((unsigned char)(c))
162 #define qemu_isalpha(c) isalpha((unsigned char)(c))
163 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
164 #define qemu_isdigit(c) isdigit((unsigned char)(c))
165 #define qemu_isgraph(c) isgraph((unsigned char)(c))
166 #define qemu_islower(c) islower((unsigned char)(c))
167 #define qemu_isprint(c) isprint((unsigned char)(c))
168 #define qemu_ispunct(c) ispunct((unsigned char)(c))
169 #define qemu_isspace(c) isspace((unsigned char)(c))
170 #define qemu_isupper(c) isupper((unsigned char)(c))
171 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
172 #define qemu_tolower(c) tolower((unsigned char)(c))
173 #define qemu_toupper(c) toupper((unsigned char)(c))
174 #define qemu_isascii(c) isascii((unsigned char)(c))
175 #define qemu_toascii(c) toascii((unsigned char)(c))
177 void *qemu_malloc(size_t size);
178 void *qemu_realloc(void *ptr, size_t size);
179 void *qemu_mallocz(size_t size);
180 void qemu_free(void *ptr);
181 char *qemu_strdup(const char *str);
182 char *qemu_strndup(const char *str, size_t size);
184 void qemu_mutex_lock_iothread(void);
185 void qemu_mutex_unlock_iothread(void);
187 int qemu_open(const char *name, int flags, ...);
188 ssize_t qemu_write_full(int fd, const void *buf, size_t count)
189 QEMU_WARN_UNUSED_RESULT;
190 void qemu_set_cloexec(int fd);
193 int qemu_eventfd(int pipefd[2]);
194 int qemu_pipe(int pipefd[2]);
197 /* Error handling. */
199 void QEMU_NORETURN hw_error(const char *fmt, ...)
200 __attribute__ ((__format__ (__printf__, 1, 2)));
203 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
204 typedef int IOCanReadHandler(void *opaque);
205 typedef void IOHandler(void *opaque);
207 struct ParallelIOArg {
212 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
214 /* A load of opaque types so that device init declarations don't have to
215 pull in all the real definitions. */
216 typedef struct NICInfo NICInfo;
217 typedef struct HCIInfo HCIInfo;
218 typedef struct AudioState AudioState;
219 typedef struct BlockDriverState BlockDriverState;
220 typedef struct DriveInfo DriveInfo;
221 typedef struct DisplayState DisplayState;
222 typedef struct DisplayChangeListener DisplayChangeListener;
223 typedef struct DisplaySurface DisplaySurface;
224 typedef struct DisplayAllocator DisplayAllocator;
225 typedef struct PixelFormat PixelFormat;
226 typedef struct TextConsole TextConsole;
227 typedef TextConsole QEMUConsole;
228 typedef struct CharDriverState CharDriverState;
229 typedef struct MACAddr MACAddr;
230 typedef struct VLANState VLANState;
231 typedef struct VLANClientState VLANClientState;
232 typedef struct i2c_bus i2c_bus;
233 typedef struct i2c_slave i2c_slave;
234 typedef struct SMBusDevice SMBusDevice;
235 typedef struct PCIHostState PCIHostState;
236 typedef struct PCIExpressHost PCIExpressHost;
237 typedef struct PCIBus PCIBus;
238 typedef struct PCIDevice PCIDevice;
239 typedef struct SerialState SerialState;
240 typedef struct IRQState *qemu_irq;
241 typedef struct PCMCIACardState PCMCIACardState;
242 typedef struct MouseTransformInfo MouseTransformInfo;
243 typedef struct uWireSlave uWireSlave;
244 typedef struct I2SCodec I2SCodec;
245 typedef struct SSIBus SSIBus;
246 typedef struct EventNotifier EventNotifier;
247 typedef struct VirtIODevice VirtIODevice;
249 typedef uint64_t pcibus_t;
253 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
255 } BlockInterfaceType;
257 void cpu_exec_init_all(unsigned long tb_size);
260 void cpu_save(QEMUFile *f, void *opaque);
261 int cpu_load(QEMUFile *f, void *opaque, int version_id);
263 /* Force QEMU to stop what it's doing and service IO */
264 void qemu_service_io(void);
266 /* Force QEMU to process pending events */
267 void qemu_notify_event(void);
270 void qemu_cpu_kick(void *env);
271 int qemu_cpu_self(void *env);
274 struct qemu_work_item {
275 struct qemu_work_item *next;
276 void (*func)(void *data);
281 #ifdef CONFIG_USER_ONLY
282 #define qemu_init_vcpu(env) do { } while (0)
284 void qemu_init_vcpu(void *env);
287 typedef struct QEMUIOVector {
294 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
295 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
296 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
297 void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
299 void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
300 void qemu_iovec_destroy(QEMUIOVector *qiov);
301 void qemu_iovec_reset(QEMUIOVector *qiov);
302 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
303 void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
304 void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
307 typedef struct Monitor Monitor;
309 /* Convert a byte between binary and BCD. */
310 static inline uint8_t to_bcd(uint8_t val)
312 return ((val / 10) << 4) | (val % 10);
315 static inline uint8_t from_bcd(uint8_t val)
317 return ((val >> 4) * 10) + (val & 0x0f);
322 #endif /* dyngen-exec.h hack */