1 /* Common header file that is included by all of qemu. */
6 #include "config-host.h"
8 #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
12 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
14 typedef struct QEMUTimer QEMUTimer
;
15 typedef struct QEMUFile QEMUFile
;
16 typedef struct DeviceState DeviceState
;
19 typedef struct Monitor Monitor
;
21 /* we put basic includes here to avoid repeating them in device drivers */
42 #include "qemu-os-win32.h"
46 #include "qemu-os-posix.h"
56 #define MAP_ANONYMOUS MAP_ANON
59 #define ENOMEDIUM ENODEV
65 #define TIME_MAX LONG_MAX
68 /* HOST_LONG_BITS is the size of a native pointer in bits. */
69 #if UINTPTR_MAX == UINT32_MAX
70 # define HOST_LONG_BITS 32
71 #elif UINTPTR_MAX == UINT64_MAX
72 # define HOST_LONG_BITS 64
74 # error Unknown pointer size
84 * Use the same value as Linux for now.
91 typedef int (*fprintf_function
)(FILE *f
, const char *fmt
, ...)
97 # define lseek _lseeki64
99 int qemu_ftruncate64(int, int64_t);
100 #if !defined(ftruncate)
101 # define ftruncate qemu_ftruncate64
104 static inline char *realpath(const char *path
, char *resolved_path
)
106 _fullpath(resolved_path
, path
, _MAX_PATH
);
107 return resolved_path
;
112 void configure_icount(const char *option
);
113 extern int use_icount
;
115 /* FIXME: Remove NEED_CPU_H. */
125 #endif /* !defined(NEED_CPU_H) */
127 /* main function, renamed */
128 #if defined(CONFIG_COCOA)
129 int qemu_main(int argc
, char **argv
, char **envp
);
132 void qemu_get_timedate(struct tm
*tm
, int offset
);
133 int qemu_timedate_diff(struct tm
*tm
);
136 void pstrcpy(char *buf
, int buf_size
, const char *str
);
137 char *pstrcat(char *buf
, int buf_size
, const char *s
);
138 int strstart(const char *str
, const char *val
, const char **ptr
);
139 int stristart(const char *str
, const char *val
, const char **ptr
);
140 int qemu_strnlen(const char *s
, int max_len
);
141 time_t mktimegm(struct tm
*tm
);
143 int qemu_fdatasync(int fd
);
144 int fcntl_setfl(int fd
, int flag
);
145 int qemu_parse_fd(const char *param
);
148 * strtosz() suffixes used to specify the default treatment of an
149 * argument passed to strtosz() without an explicit suffix.
150 * These should be defined using upper case characters in the range
151 * A-Z, as strtosz() will use qemu_toupper() on the given argument
152 * prior to comparison.
154 #define STRTOSZ_DEFSUFFIX_TB 'T'
155 #define STRTOSZ_DEFSUFFIX_GB 'G'
156 #define STRTOSZ_DEFSUFFIX_MB 'M'
157 #define STRTOSZ_DEFSUFFIX_KB 'K'
158 #define STRTOSZ_DEFSUFFIX_B 'B'
159 int64_t strtosz(const char *nptr
, char **end
);
160 int64_t strtosz_suffix(const char *nptr
, char **end
, const char default_suffix
);
161 int64_t strtosz_suffix_unit(const char *nptr
, char **end
,
162 const char default_suffix
, int64_t unit
);
165 void init_paths(const char *prefix
);
166 const char *path(const char *pathname
);
168 #define qemu_isalnum(c) isalnum((unsigned char)(c))
169 #define qemu_isalpha(c) isalpha((unsigned char)(c))
170 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
171 #define qemu_isdigit(c) isdigit((unsigned char)(c))
172 #define qemu_isgraph(c) isgraph((unsigned char)(c))
173 #define qemu_islower(c) islower((unsigned char)(c))
174 #define qemu_isprint(c) isprint((unsigned char)(c))
175 #define qemu_ispunct(c) ispunct((unsigned char)(c))
176 #define qemu_isspace(c) isspace((unsigned char)(c))
177 #define qemu_isupper(c) isupper((unsigned char)(c))
178 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
179 #define qemu_tolower(c) tolower((unsigned char)(c))
180 #define qemu_toupper(c) toupper((unsigned char)(c))
181 #define qemu_isascii(c) isascii((unsigned char)(c))
182 #define qemu_toascii(c) toascii((unsigned char)(c))
184 void *qemu_oom_check(void *ptr
);
186 int qemu_open(const char *name
, int flags
, ...);
187 ssize_t
qemu_write_full(int fd
, const void *buf
, size_t count
)
188 QEMU_WARN_UNUSED_RESULT
;
189 ssize_t
qemu_send_full(int fd
, const void *buf
, size_t count
, int flags
)
190 QEMU_WARN_UNUSED_RESULT
;
191 ssize_t
qemu_recv_full(int fd
, void *buf
, size_t count
, int flags
)
192 QEMU_WARN_UNUSED_RESULT
;
195 int qemu_eventfd(int pipefd
[2]);
196 int qemu_pipe(int pipefd
[2]);
200 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
202 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
205 int qemu_recvv(int sockfd
, struct iovec
*iov
, int len
, int iov_offset
);
206 int qemu_sendv(int sockfd
, struct iovec
*iov
, int len
, int iov_offset
);
208 /* Error handling. */
210 void QEMU_NORETURN
hw_error(const char *fmt
, ...) GCC_FMT_ATTR(1, 2);
212 struct ParallelIOArg
{
217 typedef int (*DMA_transfer_handler
) (void *opaque
, int nchan
, int pos
, int size
);
219 /* A load of opaque types so that device init declarations don't have to
220 pull in all the real definitions. */
221 typedef struct NICInfo NICInfo
;
222 typedef struct HCIInfo HCIInfo
;
223 typedef struct AudioState AudioState
;
224 typedef struct BlockDriverState BlockDriverState
;
225 typedef struct DriveInfo DriveInfo
;
226 typedef struct DisplayState DisplayState
;
227 typedef struct DisplayChangeListener DisplayChangeListener
;
228 typedef struct DisplaySurface DisplaySurface
;
229 typedef struct DisplayAllocator DisplayAllocator
;
230 typedef struct PixelFormat PixelFormat
;
231 typedef struct TextConsole TextConsole
;
232 typedef TextConsole QEMUConsole
;
233 typedef struct CharDriverState CharDriverState
;
234 typedef struct MACAddr MACAddr
;
235 typedef struct VLANState VLANState
;
236 typedef struct VLANClientState VLANClientState
;
237 typedef struct i2c_bus i2c_bus
;
238 typedef struct ISABus ISABus
;
239 typedef struct SMBusDevice SMBusDevice
;
240 typedef struct PCIHostState PCIHostState
;
241 typedef struct PCIExpressHost PCIExpressHost
;
242 typedef struct PCIBus PCIBus
;
243 typedef struct PCIDevice PCIDevice
;
244 typedef struct PCIExpressDevice PCIExpressDevice
;
245 typedef struct PCIBridge PCIBridge
;
246 typedef struct PCIEAERMsg PCIEAERMsg
;
247 typedef struct PCIEAERLog PCIEAERLog
;
248 typedef struct PCIEAERErr PCIEAERErr
;
249 typedef struct PCIEPort PCIEPort
;
250 typedef struct PCIESlot PCIESlot
;
251 typedef struct SerialState SerialState
;
252 typedef struct IRQState
*qemu_irq
;
253 typedef struct PCMCIACardState PCMCIACardState
;
254 typedef struct MouseTransformInfo MouseTransformInfo
;
255 typedef struct uWireSlave uWireSlave
;
256 typedef struct I2SCodec I2SCodec
;
257 typedef struct SSIBus SSIBus
;
258 typedef struct EventNotifier EventNotifier
;
259 typedef struct VirtIODevice VirtIODevice
;
260 typedef struct QEMUSGList QEMUSGList
;
261 typedef struct SHPCDevice SHPCDevice
;
263 typedef uint64_t pcibus_t
;
265 typedef enum LostTickPolicy
{
273 void tcg_exec_init(unsigned long tb_size
);
274 bool tcg_enabled(void);
276 void cpu_exec_init_all(void);
279 void cpu_save(QEMUFile
*f
, void *opaque
);
280 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
);
283 void qemu_cpu_kick(void *env
);
284 void qemu_cpu_kick_self(void);
285 int qemu_cpu_is_self(void *env
);
286 bool all_cpu_threads_idle(void);
289 struct qemu_work_item
{
290 struct qemu_work_item
*next
;
291 void (*func
)(void *data
);
296 #ifdef CONFIG_USER_ONLY
297 #define qemu_init_vcpu(env) do { } while (0)
299 void qemu_init_vcpu(void *env
);
303 * Sends an iovec (or optionally a part of it) down a socket, yielding
304 * when the socket is full.
306 int qemu_co_sendv(int sockfd
, struct iovec
*iov
,
307 int len
, int iov_offset
);
310 * Receives data into an iovec (or optionally into a part of it) from
311 * a socket, yielding when there is no data in the socket.
313 int qemu_co_recvv(int sockfd
, struct iovec
*iov
,
314 int len
, int iov_offset
);
318 * Sends a buffer down a socket, yielding when the socket is full.
320 int qemu_co_send(int sockfd
, void *buf
, int len
);
323 * Receives data into a buffer from a socket, yielding when there
324 * is no data in the socket.
326 int qemu_co_recv(int sockfd
, void *buf
, int len
);
329 typedef struct QEMUIOVector
{
336 void qemu_iovec_init(QEMUIOVector
*qiov
, int alloc_hint
);
337 void qemu_iovec_init_external(QEMUIOVector
*qiov
, struct iovec
*iov
, int niov
);
338 void qemu_iovec_add(QEMUIOVector
*qiov
, void *base
, size_t len
);
339 void qemu_iovec_copy(QEMUIOVector
*dst
, QEMUIOVector
*src
, uint64_t skip
,
341 void qemu_iovec_concat(QEMUIOVector
*dst
, QEMUIOVector
*src
, size_t size
);
342 void qemu_iovec_destroy(QEMUIOVector
*qiov
);
343 void qemu_iovec_reset(QEMUIOVector
*qiov
);
344 void qemu_iovec_to_buffer(QEMUIOVector
*qiov
, void *buf
);
345 void qemu_iovec_from_buffer(QEMUIOVector
*qiov
, const void *buf
, size_t count
);
346 void qemu_iovec_memset(QEMUIOVector
*qiov
, int c
, size_t count
);
347 void qemu_iovec_memset_skip(QEMUIOVector
*qiov
, int c
, size_t count
,
350 bool buffer_is_zero(const void *buf
, size_t len
);
352 void qemu_progress_init(int enabled
, float min_skip
);
353 void qemu_progress_end(void);
354 void qemu_progress_print(float delta
, int max
);
356 #define QEMU_FILE_TYPE_BIOS 0
357 #define QEMU_FILE_TYPE_KEYMAP 1
358 char *qemu_find_file(int type
, const char *name
);
360 /* OS specific functions */
361 void os_setup_early_signal_handling(void);
362 char *os_find_datadir(const char *argv0
);
363 void os_parse_cmd_args(int index
, const char *optarg
);
364 void os_pidfile_error(void);
366 /* Convert a byte between binary and BCD. */
367 static inline uint8_t to_bcd(uint8_t val
)
369 return ((val
/ 10) << 4) | (val
% 10);
372 static inline uint8_t from_bcd(uint8_t val
)
374 return ((val
>> 4) * 10) + (val
& 0x0f);
377 /* compute with 96 bit intermediate result: (a*b)/c */
378 static inline uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
383 #ifdef HOST_WORDS_BIGENDIAN
393 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
394 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
397 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
401 /* Round number down to multiple */
402 #define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
404 /* Round number up to multiple */
405 #define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))