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
64 #if !defined(ECANCELED)
65 #define ECANCELED 4097
68 #define TIME_MAX LONG_MAX
71 /* HOST_LONG_BITS is the size of a native pointer in bits. */
72 #if UINTPTR_MAX == UINT32_MAX
73 # define HOST_LONG_BITS 32
74 #elif UINTPTR_MAX == UINT64_MAX
75 # define HOST_LONG_BITS 64
77 # error Unknown pointer size
87 * Use the same value as Linux for now.
94 typedef int (*fprintf_function
)(FILE *f
, const char *fmt
, ...)
100 # define lseek _lseeki64
102 int qemu_ftruncate64(int, int64_t);
103 #if !defined(ftruncate)
104 # define ftruncate qemu_ftruncate64
107 static inline char *realpath(const char *path
, char *resolved_path
)
109 _fullpath(resolved_path
, path
, _MAX_PATH
);
110 return resolved_path
;
115 void configure_icount(const char *option
);
116 extern int use_icount
;
118 /* FIXME: Remove NEED_CPU_H. */
128 #endif /* !defined(NEED_CPU_H) */
130 /* main function, renamed */
131 #if defined(CONFIG_COCOA)
132 int qemu_main(int argc
, char **argv
, char **envp
);
135 void qemu_get_timedate(struct tm
*tm
, int offset
);
136 int qemu_timedate_diff(struct tm
*tm
);
139 void pstrcpy(char *buf
, int buf_size
, const char *str
);
140 char *pstrcat(char *buf
, int buf_size
, const char *s
);
141 int strstart(const char *str
, const char *val
, const char **ptr
);
142 int stristart(const char *str
, const char *val
, const char **ptr
);
143 int qemu_strnlen(const char *s
, int max_len
);
144 time_t mktimegm(struct tm
*tm
);
146 int qemu_fdatasync(int fd
);
147 int fcntl_setfl(int fd
, int flag
);
148 int qemu_parse_fd(const char *param
);
151 * strtosz() suffixes used to specify the default treatment of an
152 * argument passed to strtosz() without an explicit suffix.
153 * These should be defined using upper case characters in the range
154 * A-Z, as strtosz() will use qemu_toupper() on the given argument
155 * prior to comparison.
157 #define STRTOSZ_DEFSUFFIX_TB 'T'
158 #define STRTOSZ_DEFSUFFIX_GB 'G'
159 #define STRTOSZ_DEFSUFFIX_MB 'M'
160 #define STRTOSZ_DEFSUFFIX_KB 'K'
161 #define STRTOSZ_DEFSUFFIX_B 'B'
162 int64_t strtosz(const char *nptr
, char **end
);
163 int64_t strtosz_suffix(const char *nptr
, char **end
, const char default_suffix
);
164 int64_t strtosz_suffix_unit(const char *nptr
, char **end
,
165 const char default_suffix
, int64_t unit
);
168 void init_paths(const char *prefix
);
169 const char *path(const char *pathname
);
171 #define qemu_isalnum(c) isalnum((unsigned char)(c))
172 #define qemu_isalpha(c) isalpha((unsigned char)(c))
173 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
174 #define qemu_isdigit(c) isdigit((unsigned char)(c))
175 #define qemu_isgraph(c) isgraph((unsigned char)(c))
176 #define qemu_islower(c) islower((unsigned char)(c))
177 #define qemu_isprint(c) isprint((unsigned char)(c))
178 #define qemu_ispunct(c) ispunct((unsigned char)(c))
179 #define qemu_isspace(c) isspace((unsigned char)(c))
180 #define qemu_isupper(c) isupper((unsigned char)(c))
181 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
182 #define qemu_tolower(c) tolower((unsigned char)(c))
183 #define qemu_toupper(c) toupper((unsigned char)(c))
184 #define qemu_isascii(c) isascii((unsigned char)(c))
185 #define qemu_toascii(c) toascii((unsigned char)(c))
187 void *qemu_oom_check(void *ptr
);
189 int qemu_open(const char *name
, int flags
, ...);
190 ssize_t
qemu_write_full(int fd
, const void *buf
, size_t count
)
191 QEMU_WARN_UNUSED_RESULT
;
192 ssize_t
qemu_send_full(int fd
, const void *buf
, size_t count
, int flags
)
193 QEMU_WARN_UNUSED_RESULT
;
194 ssize_t
qemu_recv_full(int fd
, void *buf
, size_t count
, int flags
)
195 QEMU_WARN_UNUSED_RESULT
;
198 int qemu_eventfd(int pipefd
[2]);
199 int qemu_pipe(int pipefd
[2]);
203 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
205 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
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 MSIMessage MSIMessage
;
252 typedef struct SerialState SerialState
;
253 typedef struct IRQState
*qemu_irq
;
254 typedef struct PCMCIACardState PCMCIACardState
;
255 typedef struct MouseTransformInfo MouseTransformInfo
;
256 typedef struct uWireSlave uWireSlave
;
257 typedef struct I2SCodec I2SCodec
;
258 typedef struct SSIBus SSIBus
;
259 typedef struct EventNotifier EventNotifier
;
260 typedef struct VirtIODevice VirtIODevice
;
261 typedef struct QEMUSGList QEMUSGList
;
262 typedef struct SHPCDevice SHPCDevice
;
264 typedef uint64_t pcibus_t
;
266 typedef enum LostTickPolicy
{
274 void tcg_exec_init(unsigned long tb_size
);
275 bool tcg_enabled(void);
277 void cpu_exec_init_all(void);
280 void cpu_save(QEMUFile
*f
, void *opaque
);
281 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
);
284 void qemu_cpu_kick(void *env
);
285 void qemu_cpu_kick_self(void);
286 int qemu_cpu_is_self(void *env
);
287 bool all_cpu_threads_idle(void);
290 struct qemu_work_item
{
291 struct qemu_work_item
*next
;
292 void (*func
)(void *data
);
297 #ifdef CONFIG_USER_ONLY
298 #define qemu_init_vcpu(env) do { } while (0)
300 void qemu_init_vcpu(void *env
);
305 * Sends a (part of) iovec down a socket, yielding when the socket is full, or
306 * Receives data into a (part of) iovec from a socket,
307 * yielding when there is no data in the socket.
308 * The same interface as qemu_sendv_recvv(), with added yielding.
309 * XXX should mark these as coroutine_fn
311 ssize_t
qemu_co_sendv_recvv(int sockfd
, struct iovec
*iov
, unsigned iov_cnt
,
312 size_t offset
, size_t bytes
, bool do_send
);
313 #define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \
314 qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false)
315 #define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \
316 qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true)
319 * The same as above, but with just a single buffer
321 ssize_t
qemu_co_send_recv(int sockfd
, void *buf
, size_t bytes
, bool do_send
);
322 #define qemu_co_recv(sockfd, buf, bytes) \
323 qemu_co_send_recv(sockfd, buf, bytes, false)
324 #define qemu_co_send(sockfd, buf, bytes) \
325 qemu_co_send_recv(sockfd, buf, bytes, true)
327 typedef struct QEMUIOVector
{
334 void qemu_iovec_init(QEMUIOVector
*qiov
, int alloc_hint
);
335 void qemu_iovec_init_external(QEMUIOVector
*qiov
, struct iovec
*iov
, int niov
);
336 void qemu_iovec_add(QEMUIOVector
*qiov
, void *base
, size_t len
);
337 void qemu_iovec_concat(QEMUIOVector
*dst
,
338 QEMUIOVector
*src
, size_t soffset
, size_t sbytes
);
339 void qemu_iovec_destroy(QEMUIOVector
*qiov
);
340 void qemu_iovec_reset(QEMUIOVector
*qiov
);
341 size_t qemu_iovec_to_buf(QEMUIOVector
*qiov
, size_t offset
,
342 void *buf
, size_t bytes
);
343 size_t qemu_iovec_from_buf(QEMUIOVector
*qiov
, size_t offset
,
344 const void *buf
, size_t bytes
);
345 size_t qemu_iovec_memset(QEMUIOVector
*qiov
, size_t offset
,
346 int fillc
, size_t bytes
);
348 bool buffer_is_zero(const void *buf
, size_t len
);
350 void qemu_progress_init(int enabled
, float min_skip
);
351 void qemu_progress_end(void);
352 void qemu_progress_print(float delta
, int max
);
354 #define QEMU_FILE_TYPE_BIOS 0
355 #define QEMU_FILE_TYPE_KEYMAP 1
356 char *qemu_find_file(int type
, const char *name
);
358 /* OS specific functions */
359 void os_setup_early_signal_handling(void);
360 char *os_find_datadir(const char *argv0
);
361 void os_parse_cmd_args(int index
, const char *optarg
);
362 void os_pidfile_error(void);
364 /* Convert a byte between binary and BCD. */
365 static inline uint8_t to_bcd(uint8_t val
)
367 return ((val
/ 10) << 4) | (val
% 10);
370 static inline uint8_t from_bcd(uint8_t val
)
372 return ((val
>> 4) * 10) + (val
& 0x0f);
375 /* compute with 96 bit intermediate result: (a*b)/c */
376 static inline uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
381 #ifdef HOST_WORDS_BIGENDIAN
391 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
392 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
395 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
399 /* Round number down to multiple */
400 #define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
402 /* Round number up to multiple */
403 #define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))